diff options
Diffstat (limited to 'Ix/NET/Tests/AsyncTests.Aggregates.cs')
| -rw-r--r-- | Ix/NET/Tests/AsyncTests.Aggregates.cs | 2168 |
1 files changed, 2168 insertions, 0 deletions
diff --git a/Ix/NET/Tests/AsyncTests.Aggregates.cs b/Ix/NET/Tests/AsyncTests.Aggregates.cs new file mode 100644 index 0000000..1e43178 --- /dev/null +++ b/Ix/NET/Tests/AsyncTests.Aggregates.cs @@ -0,0 +1,2168 @@ +// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information. +#if DESKTOPCLR40 + +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using Microsoft.VisualStudio.TestTools.UnitTesting; +using System.Collections; +using System.Threading; + +namespace Tests +{ + public partial class AsyncTests + { + [TestMethod] + public void Aggregate_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int>(null, (x, y) => x + y)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int>(null, 0, (x, y) => x + y)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int>(AsyncEnumerable.Return(42), 0, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int, int>(null, 0, (x, y) => x + y, z => z)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int, int>(AsyncEnumerable.Return(42), 0, null, z => z)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int, int>(AsyncEnumerable.Return(42), 0, (x, y) => x + y, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int>(null, (x, y) => x + y, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int>(null, 0, (x, y) => x + y, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int>(AsyncEnumerable.Return(42), 0, null, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int, int>(null, 0, (x, y) => x + y, z => z, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int, int>(AsyncEnumerable.Return(42), 0, null, z => z, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Aggregate<int, int, int>(AsyncEnumerable.Return(42), 0, (x, y) => x + y, null, CancellationToken.None)); + } + + [TestMethod] + public void Aggregate1() + { + var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable(); + var ys = xs.Aggregate((x, y) => x * y); + Assert.AreEqual(ys.Result, 24); + } + + [TestMethod] + public void Aggregate2() + { + var xs = new int[0].ToAsyncEnumerable(); + var ys = xs.Aggregate((x, y) => x * y); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Aggregate3() + { + var ex = new Exception("Bang!"); + var xs = AsyncEnumerable.Throw<int>(ex); + var ys = xs.Aggregate((x, y) => x * y); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Aggregate4() + { + var ex = new Exception("Bang!"); + var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable(); + var ys = xs.Aggregate((x, y) => { throw ex; }); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Aggregate5() + { + var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable(); + var ys = xs.Aggregate(1, (x, y) => x * y); + Assert.AreEqual(ys.Result, 24); + } + + [TestMethod] + public void Aggregate6() + { + var xs = new int[0].ToAsyncEnumerable(); + var ys = xs.Aggregate(1, (x, y) => x * y); + Assert.AreEqual(ys.Result, 1); + } + + [TestMethod] + public void Aggregate7() + { + var ex = new Exception("Bang!"); + var xs = AsyncEnumerable.Throw<int>(ex); + var ys = xs.Aggregate(1, (x, y) => x * y); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Aggregate8() + { + var ex = new Exception("Bang!"); + var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable(); + var ys = xs.Aggregate(1, (x, y) => { throw ex; }); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Aggregate9() + { + var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable(); + var ys = xs.Aggregate(1, (x, y) => x * y, x => x + 1); + Assert.AreEqual(ys.Result, 25); + } + + [TestMethod] + public void Aggregate10() + { + var xs = new int[0].ToAsyncEnumerable(); + var ys = xs.Aggregate(1, (x, y) => x * y, x => x + 1); + Assert.AreEqual(ys.Result, 2); + } + + [TestMethod] + public void Aggregate11() + { + var ex = new Exception("Bang!"); + var xs = AsyncEnumerable.Throw<int>(ex); + var ys = xs.Aggregate(1, (x, y) => x * y, x => x + 1); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Aggregate12() + { + var ex = new Exception("Bang!"); + var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable(); + var ys = xs.Aggregate(1, (x, y) => { throw ex; }, x => x + 1); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Aggregate13() + { + var ex = new Exception("Bang!"); + var xs = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable(); + var ys = xs.Aggregate<int, int, int>(1, (x, y) => x * y, x => { throw ex; }); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Count_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Count<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Count<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Count<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Count<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Count<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Count<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void Count1() + { + Assert.AreEqual(new int[0].ToAsyncEnumerable().Count().Result, 0); + Assert.AreEqual(new[] { 1, 2, 3 }.ToAsyncEnumerable().Count().Result, 3); + AssertThrows<AggregateException>(() => AsyncEnumerable.Throw<int>(new Exception("Bang!")).Count().Wait()); + } + + [TestMethod] + public void Count2() + { + Assert.AreEqual(new int[0].ToAsyncEnumerable().Count(x => x < 3).Result, 0); + Assert.AreEqual(new[] { 1, 2, 3 }.ToAsyncEnumerable().Count(x => x < 3).Result, 2); + AssertThrows<AggregateException>(() => AsyncEnumerable.Throw<int>(new Exception("Bang!")).Count(x => x < 3).Wait()); + } + + [TestMethod] + public void Count3() + { + var ex = new Exception("Bang!"); + var ys = new[] { 1, 2, 3 }.ToAsyncEnumerable().Count(x => { throw ex; }); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void LongCount_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LongCount<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LongCount<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LongCount<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LongCount<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LongCount<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LongCount<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void LongCount1() + { + Assert.AreEqual(new int[0].ToAsyncEnumerable().LongCount().Result, 0); + Assert.AreEqual(new[] { 1, 2, 3 }.ToAsyncEnumerable().LongCount().Result, 3); + AssertThrows<AggregateException>(() => AsyncEnumerable.Throw<int>(new Exception("Bang!")).LongCount().Wait()); + } + + [TestMethod] + public void LongCount2() + { + Assert.AreEqual(new int[0].ToAsyncEnumerable().LongCount(x => x < 3).Result, 0); + Assert.AreEqual(new[] { 1, 2, 3 }.ToAsyncEnumerable().LongCount(x => x < 3).Result, 2); + AssertThrows<AggregateException>(() => AsyncEnumerable.Throw<int>(new Exception("Bang!")).LongCount(x => x < 3).Wait()); + } + + [TestMethod] + public void LongCount3() + { + var ex = new Exception("Bang!"); + var ys = new[] { 1, 2, 3 }.ToAsyncEnumerable().LongCount(x => { throw ex; }); + AssertThrows<Exception>(() => ys.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void All_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.All<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.All<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.All<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.All<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void All1() + { + var res = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable().All(x => x % 2 == 0); + Assert.IsFalse(res.Result); + } + + [TestMethod] + public void All2() + { + var res = new[] { 2, 8, 4 }.ToAsyncEnumerable().All(x => x % 2 == 0); + Assert.IsTrue(res.Result); + } + + [TestMethod] + public void All3() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).All(x => x % 2 == 0); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void All4() + { + var ex = new Exception("Bang!"); + var res = new[] { 2, 8, 4 }.ToAsyncEnumerable().All(x => { throw ex; }); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Any_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Any<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Any<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Any<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Any<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Any<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Any<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void Any1() + { + var res = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable().Any(x => x % 2 == 0); + Assert.IsTrue(res.Result); + } + + [TestMethod] + public void Any2() + { + var res = new[] { 2, 8, 4 }.ToAsyncEnumerable().Any(x => x % 2 != 0); + Assert.IsFalse(res.Result); + } + + [TestMethod] + public void Any3() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).Any(x => x % 2 == 0); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Any4() + { + var ex = new Exception("Bang!"); + var res = new[] { 2, 8, 4 }.ToAsyncEnumerable().Any(x => { throw ex; }); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Any5() + { + var res = new[] { 1, 2, 3, 4 }.ToAsyncEnumerable().Any(); + Assert.IsTrue(res.Result); + } + + [TestMethod] + public void Any6() + { + var res = new int[0].ToAsyncEnumerable().Any(); + Assert.IsFalse(res.Result); + } + + [TestMethod] + public void Contains_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Contains<int>(null, 42)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Contains<int>(null, 42, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Contains<int>(AsyncEnumerable.Return(42), 42, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Contains<int>(null, 42, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Contains<int>(null, 42, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Contains<int>(AsyncEnumerable.Return(42), 42, null, CancellationToken.None)); + } + + [TestMethod] + public void Contains1() + { + var xs = new[] { 1, 2, 3, 4, 5 }.ToAsyncEnumerable(); + var ys = xs.Contains(3); + Assert.IsTrue(ys.Result); + } + + [TestMethod] + public void Contains2() + { + var xs = new[] { 1, 2, 3, 4, 5 }.ToAsyncEnumerable(); + var ys = xs.Contains(6); + Assert.IsFalse(ys.Result); + } + + [TestMethod] + public void Contains3() + { + var xs = new[] { 1, 2, 3, 4, 5 }.ToAsyncEnumerable(); + var ys = xs.Contains(-3, new Eq()); + Assert.IsTrue(ys.Result); + } + + [TestMethod] + public void Contains4() + { + var xs = new[] { 1, 2, 3, 4, 5 }.ToAsyncEnumerable(); + var ys = xs.Contains(-6, new Eq()); + Assert.IsFalse(ys.Result); + } + + class Eq : IEqualityComparer<int> + { + public bool Equals(int x, int y) + { + return EqualityComparer<int>.Default.Equals(Math.Abs(x), Math.Abs(y)); + } + + public int GetHashCode(int obj) + { + return EqualityComparer<int>.Default.GetHashCode(Math.Abs(obj)); + } + } + + [TestMethod] + public void First_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.First<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.First<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.First<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.First<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.First<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.First<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void First1() + { + var res = AsyncEnumerable.Empty<int>().First(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void First2() + { + var res = AsyncEnumerable.Empty<int>().First(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void First3() + { + var res = AsyncEnumerable.Return(42).First(x => x % 2 != 0); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void First4() + { + var res = AsyncEnumerable.Return(42).First(); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void First5() + { + var res = AsyncEnumerable.Return(42).First(x => x % 2 == 0); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void First6() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).First(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void First7() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).First(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void First8() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().First(); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void First9() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().First(x => x % 2 != 0); + Assert.AreEqual(45, res.Result); + } + + [TestMethod] + public void FirstOrDefault_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.FirstOrDefault<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.FirstOrDefault<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.FirstOrDefault<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.FirstOrDefault<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.FirstOrDefault<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.FirstOrDefault<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void FirstOrDefault1() + { + var res = AsyncEnumerable.Empty<int>().FirstOrDefault(); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void FirstOrDefault2() + { + var res = AsyncEnumerable.Empty<int>().FirstOrDefault(x => true); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void FirstOrDefault3() + { + var res = AsyncEnumerable.Return(42).FirstOrDefault(x => x % 2 != 0); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void FirstOrDefault4() + { + var res = AsyncEnumerable.Return(42).FirstOrDefault(); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void FirstOrDefault5() + { + var res = AsyncEnumerable.Return(42).FirstOrDefault(x => x % 2 == 0); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void FirstOrDefault6() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).FirstOrDefault(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void FirstOrDefault7() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).FirstOrDefault(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void FirstOrDefault8() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().FirstOrDefault(); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void FirstOrDefault9() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().FirstOrDefault(x => x % 2 != 0); + Assert.AreEqual(45, res.Result); + } + + [TestMethod] + public void FirstOrDefault10() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().FirstOrDefault(x => x < 10); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void Last_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Last<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Last<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Last<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Last<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Last<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Last<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void Last1() + { + var res = AsyncEnumerable.Empty<int>().Last(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Last2() + { + var res = AsyncEnumerable.Empty<int>().Last(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Last3() + { + var res = AsyncEnumerable.Return(42).Last(x => x % 2 != 0); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Last4() + { + var res = AsyncEnumerable.Return(42).Last(); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void Last5() + { + var res = AsyncEnumerable.Return(42).Last(x => x % 2 == 0); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void Last6() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).Last(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Last7() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).Last(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Last8() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().Last(); + Assert.AreEqual(90, res.Result); + } + + [TestMethod] + public void Last9() + { + var res = new[] { 42, 23, 45, 90 }.ToAsyncEnumerable().Last(x => x % 2 != 0); + Assert.AreEqual(45, res.Result); + } + + [TestMethod] + public void LastOrDefault_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LastOrDefault<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LastOrDefault<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LastOrDefault<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LastOrDefault<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LastOrDefault<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.LastOrDefault<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void LastOrDefault1() + { + var res = AsyncEnumerable.Empty<int>().LastOrDefault(); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void LastOrDefault2() + { + var res = AsyncEnumerable.Empty<int>().LastOrDefault(x => true); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void LastOrDefault3() + { + var res = AsyncEnumerable.Return(42).LastOrDefault(x => x % 2 != 0); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void LastOrDefault4() + { + var res = AsyncEnumerable.Return(42).LastOrDefault(); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void LastOrDefault5() + { + var res = AsyncEnumerable.Return(42).LastOrDefault(x => x % 2 == 0); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void LastOrDefault6() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).LastOrDefault(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void LastOrDefault7() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).LastOrDefault(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void LastOrDefault8() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().LastOrDefault(); + Assert.AreEqual(90, res.Result); + } + + [TestMethod] + public void LastOrDefault9() + { + var res = new[] { 42, 23, 45, 90 }.ToAsyncEnumerable().LastOrDefault(x => x % 2 != 0); + Assert.AreEqual(45, res.Result); + } + + [TestMethod] + public void LastOrDefault10() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().LastOrDefault(x => x < 10); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void Single_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Single<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Single<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Single<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Single<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Single<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Single<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void Single1() + { + var res = AsyncEnumerable.Empty<int>().Single(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Single2() + { + var res = AsyncEnumerable.Empty<int>().Single(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Single3() + { + var res = AsyncEnumerable.Return(42).Single(x => x % 2 != 0); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Single4() + { + var res = AsyncEnumerable.Return(42).Single(); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void Single5() + { + var res = AsyncEnumerable.Return(42).Single(x => x % 2 == 0); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void Single6() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).Single(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Single7() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).Single(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void Single8() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().Single(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Single9() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().Single(x => x % 2 != 0); + Assert.AreEqual(45, res.Result); + } + + [TestMethod] + public void Single10() + { + var res = new[] { 42, 23, 45, 90 }.ToAsyncEnumerable().Single(x => x % 2 != 0); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void SingleOrDefault_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.SingleOrDefault<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.SingleOrDefault<int>(null, x => true)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.SingleOrDefault<int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.SingleOrDefault<int>(null, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.SingleOrDefault<int>(null, x => true, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.SingleOrDefault<int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + } + + [TestMethod] + public void SingleOrDefault1() + { + var res = AsyncEnumerable.Empty<int>().SingleOrDefault(); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void SingleOrDefault2() + { + var res = AsyncEnumerable.Empty<int>().SingleOrDefault(x => true); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void SingleOrDefault3() + { + var res = AsyncEnumerable.Return(42).SingleOrDefault(x => x % 2 != 0); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void SingleOrDefault4() + { + var res = AsyncEnumerable.Return(42).SingleOrDefault(); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void SingleOrDefault5() + { + var res = AsyncEnumerable.Return(42).SingleOrDefault(x => x % 2 == 0); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void SingleOrDefault6() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).SingleOrDefault(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void SingleOrDefault7() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).SingleOrDefault(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void SingleOrDefault8() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().SingleOrDefault(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void SingleOrDefault9() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().SingleOrDefault(x => x % 2 != 0); + Assert.AreEqual(45, res.Result); + } + + [TestMethod] + public void SingleOrDefault10() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().SingleOrDefault(x => x < 10); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void SingleOrDefault11() + { + var res = new[] { 42, 45, 90 }.ToAsyncEnumerable().SingleOrDefault(x => true); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void ElementAt_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ElementAt<int>(null, 0)); + AssertThrows<ArgumentOutOfRangeException>(() => AsyncEnumerable.ElementAt<int>(AsyncEnumerable.Return(42), -1)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ElementAt<int>(null, 0, CancellationToken.None)); + AssertThrows<ArgumentOutOfRangeException>(() => AsyncEnumerable.ElementAt<int>(AsyncEnumerable.Return(42), -1, CancellationToken.None)); + } + + [TestMethod] + public void ElementAt1() + { + var res = AsyncEnumerable.Empty<int>().ElementAt(0); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is ArgumentOutOfRangeException); + } + + [TestMethod] + public void ElementAt2() + { + var res = AsyncEnumerable.Return<int>(42).ElementAt(0); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void ElementAt3() + { + var res = AsyncEnumerable.Return<int>(42).ElementAt(1); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is ArgumentOutOfRangeException); + } + + [TestMethod] + public void ElementAt4() + { + var res = new[] { 1, 42, 3 }.ToAsyncEnumerable().ElementAt(1); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void ElementAt5() + { + var res = new[] { 1, 42, 3 }.ToAsyncEnumerable().ElementAt(7); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is ArgumentOutOfRangeException); + } + + [TestMethod] + public void ElementAt6() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).ElementAt(15); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void ElementAtOrDefault_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ElementAtOrDefault<int>(null, 0)); + AssertThrows<ArgumentOutOfRangeException>(() => AsyncEnumerable.ElementAtOrDefault<int>(AsyncEnumerable.Return(42), -1)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ElementAtOrDefault<int>(null, 0, CancellationToken.None)); + AssertThrows<ArgumentOutOfRangeException>(() => AsyncEnumerable.ElementAtOrDefault<int>(AsyncEnumerable.Return(42), -1, CancellationToken.None)); + } + + [TestMethod] + public void ElementAtOrDefault1() + { + var res = AsyncEnumerable.Empty<int>().ElementAtOrDefault(0); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void ElementAtOrDefault2() + { + var res = AsyncEnumerable.Return<int>(42).ElementAtOrDefault(0); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void ElementAtOrDefault3() + { + var res = AsyncEnumerable.Return<int>(42).ElementAtOrDefault(1); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void ElementAtOrDefault4() + { + var res = new[] { 1, 42, 3 }.ToAsyncEnumerable().ElementAtOrDefault(1); + Assert.AreEqual(42, res.Result); + } + + [TestMethod] + public void ElementAtOrDefault5() + { + var res = new[] { 1, 42, 3 }.ToAsyncEnumerable().ElementAtOrDefault(7); + Assert.AreEqual(0, res.Result); + } + + [TestMethod] + public void ElementAtOrDefault6() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).ElementAtOrDefault(15); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void ToList_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToList<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToList<int>(null, CancellationToken.None)); + } + + [TestMethod] + public void ToList1() + { + var xs = new[] { 42, 25, 39 }; + var res = xs.ToAsyncEnumerable().ToList(); + Assert.IsTrue(res.Result.SequenceEqual(xs)); + } + + [TestMethod] + public void ToList2() + { + var xs = AsyncEnumerable.Empty<int>(); + var res = xs.ToList(); + Assert.IsTrue(res.Result.Count == 0); + } + + [TestMethod] + public void ToList3() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).ToList(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void ToArray_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToArray<int>(null)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToArray<int>(null, CancellationToken.None)); + } + + [TestMethod] + public void ToArray1() + { + var xs = new[] { 42, 25, 39 }; + var res = xs.ToAsyncEnumerable().ToArray(); + Assert.IsTrue(res.Result.SequenceEqual(xs)); + } + + [TestMethod] + public void ToArray2() + { + var xs = AsyncEnumerable.Empty<int>(); + var res = xs.ToArray(); + Assert.IsTrue(res.Result.Length == 0); + } + + [TestMethod] + public void ToArray3() + { + var ex = new Exception("Bang!"); + var res = AsyncEnumerable.Throw<int>(ex).ToArray(); + AssertThrows<Exception>(() => res.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void ToDictionary_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(null, x => 0)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(null, x => 0, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(AsyncEnumerable.Return(42), null, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(AsyncEnumerable.Return(42), x => 0, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(null, x => 0, x => 0)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), null, x => 0)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), x => 0, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(null, x => 0, x => 0, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), null, x => 0, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), x => 0, null, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), x => 0, x => 0, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(null, x => 0, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(null, x => 0, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(AsyncEnumerable.Return(42), null, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int>(AsyncEnumerable.Return(42), x => 0, null, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(null, x => 0, x => 0, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), null, x => 0, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), x => 0, null, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(null, x => 0, x => 0, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), null, x => 0, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), x => 0, null, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToDictionary<int, int, int>(AsyncEnumerable.Return(42), x => 0, x => 0, null, CancellationToken.None)); + } + + [TestMethod] + public void ToDictionary1() + { + var xs = new[] { 1, 4 }.ToAsyncEnumerable(); + var res = xs.ToDictionary(x => x % 2).Result; + Assert.IsTrue(res[0] == 4); + Assert.IsTrue(res[1] == 1); + } + + [TestMethod] + public void ToDictionary2() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + AssertThrows<Exception>(() => xs.ToDictionary(x => x % 2).Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is ArgumentException); + } + + [TestMethod] + public void ToDictionary3() + { + var xs = new[] { 1, 4 }.ToAsyncEnumerable(); + var res = xs.ToDictionary(x => x % 2, x => x + 1).Result; + Assert.IsTrue(res[0] == 5); + Assert.IsTrue(res[1] == 2); + } + + [TestMethod] + public void ToDictionary4() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + AssertThrows<Exception>(() => xs.ToDictionary(x => x % 2, x => x + 1).Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is ArgumentException); + } + + [TestMethod] + public void ToDictionary5() + { + var xs = new[] { 1, 4 }.ToAsyncEnumerable(); + var res = xs.ToDictionary(x => x % 2, new Eq()).Result; + Assert.IsTrue(res[0] == 4); + Assert.IsTrue(res[1] == 1); + } + + [TestMethod] + public void ToDictionary6() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + AssertThrows<Exception>(() => xs.ToDictionary(x => x % 2, new Eq()).Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is ArgumentException); + } + + [TestMethod] + public void ToDictionary7() + { + var xs = new[] { 1, 4 }.ToAsyncEnumerable(); + var res = xs.ToDictionary(x => x % 2, x => x, new Eq()).Result; + Assert.IsTrue(res[0] == 4); + Assert.IsTrue(res[1] == 1); + } + + [TestMethod] + public void ToLookup_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(null, x => 0)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(AsyncEnumerable.Return(42), null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(null, x => 0, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(AsyncEnumerable.Return(42), null, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(AsyncEnumerable.Return(42), x => 0, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(null, x => 0, x => 0)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), null, x => 0)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), x => 0, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(null, x => 0, x => 0, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), null, x => 0, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), x => 0, null, EqualityComparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), x => 0, x => 0, null)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(null, x => 0, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(AsyncEnumerable.Return(42), null, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(null, x => 0, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(AsyncEnumerable.Return(42), null, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int>(AsyncEnumerable.Return(42), x => 0, null, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(null, x => 0, x => 0, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), null, x => 0, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), x => 0, null, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(null, x => 0, x => 0, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), null, x => 0, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), x => 0, null, EqualityComparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.ToLookup<int, int, int>(AsyncEnumerable.Return(42), x => 0, x => 0, null, CancellationToken.None)); + } + + [TestMethod] + public void ToLookup1() + { + var xs = new[] { 1, 4 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2).Result; + Assert.IsTrue(res.Contains(0)); + Assert.IsTrue(res.Contains(1)); + Assert.IsTrue(res[0].Contains(4)); + Assert.IsTrue(res[1].Contains(1)); + Assert.IsTrue(res.Count == 2); + } + + [TestMethod] + public void ToLookup2() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2).Result; + Assert.IsTrue(res.Contains(0)); + Assert.IsTrue(res.Contains(1)); + Assert.IsTrue(res[0].Contains(4)); + Assert.IsTrue(res[0].Contains(2)); + Assert.IsTrue(res[1].Contains(1)); + Assert.IsTrue(res.Count == 2); + } + + [TestMethod] + public void ToLookup3() + { + var xs = new[] { 1, 4 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2, x => x + 1).Result; + Assert.IsTrue(res.Contains(0)); + Assert.IsTrue(res.Contains(1)); + Assert.IsTrue(res[0].Contains(5)); + Assert.IsTrue(res[1].Contains(2)); + Assert.IsTrue(res.Count == 2); + } + + [TestMethod] + public void ToLookup4() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2, x => x + 1).Result; + Assert.IsTrue(res.Contains(0)); + Assert.IsTrue(res.Contains(1)); + Assert.IsTrue(res[0].Contains(5)); + Assert.IsTrue(res[0].Contains(3)); + Assert.IsTrue(res[1].Contains(2)); + Assert.IsTrue(res.Count == 2); + } + + [TestMethod] + public void ToLookup5() + { + var xs = new[] { 1, 4 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2, new Eq()).Result; + Assert.IsTrue(res.Contains(0)); + Assert.IsTrue(res.Contains(1)); + Assert.IsTrue(res[0].Contains(4)); + Assert.IsTrue(res[1].Contains(1)); + Assert.IsTrue(res.Count == 2); + } + + [TestMethod] + public void ToLookup6() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2, new Eq()).Result; + Assert.IsTrue(res.Contains(0)); + Assert.IsTrue(res.Contains(1)); + Assert.IsTrue(res[0].Contains(4)); + Assert.IsTrue(res[0].Contains(2)); + Assert.IsTrue(res[1].Contains(1)); + Assert.IsTrue(res.Count == 2); + } + + [TestMethod] + public void ToLookup7() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2).Result; + foreach (var g in res) + Assert.IsTrue(g.Key == 0 || g.Key == 1); + } + + [TestMethod] + public void ToLookup8() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2).Result; + foreach (IGrouping<int, int> g in (IEnumerable)res) + Assert.IsTrue(g.Key == 0 || g.Key == 1); + } + + [TestMethod] + public void ToLookup9() + { + var xs = new[] { 1, 4, 2 }.ToAsyncEnumerable(); + var res = xs.ToLookup(x => x % 2, x => x, new Eq()).Result; + Assert.IsTrue(res.Contains(0)); + Assert.IsTrue(res.Contains(1)); + Assert.IsTrue(res[0].Contains(4)); + Assert.IsTrue(res[0].Contains(2)); + Assert.IsTrue(res[1].Contains(1)); + Assert.IsTrue(res.Count == 2); + } + + [TestMethod] + public void Average_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<int>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<int?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<long>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<long?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<double>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<double?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<float>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<float?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<decimal>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<decimal?>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<int>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<int?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<long>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<long?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<double>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<double?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<float>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<float?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<decimal>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<decimal?>), x => x)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, int>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, int?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, long>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, long?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, double>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, double?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, float>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, float?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, decimal>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, decimal?>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<int>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<int?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<long>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<long?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<double>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<double?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<float>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<float?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<decimal>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<decimal?>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<int>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<int?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<long>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<long?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<double>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<double?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<float>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<float?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<decimal>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(default(IAsyncEnumerable<decimal?>), x => x, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, int>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, int?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, long>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, long?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, double>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, double?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, float>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, float?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, decimal>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Average(AsyncEnumerable.Empty<int>(), default(Func<int, decimal?>), CancellationToken.None)); + } + + [TestMethod] + public void Average1() + { + var xs = new[] { 1, 2, 3 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average2() + { + var xs = new[] { 1, default(int?), 3 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average3() + { + var xs = new[] { 1L, 2L, 3L }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average4() + { + var xs = new[] { 1L, default(long?), 3L }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average5() + { + var xs = new[] { 1.0, 2.0, 3.0 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average6() + { + var xs = new[] { 1.0, default(double?), 3.0 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average7() + { + var xs = new[] { 1.0f, 2.0f, 3.0f }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average8() + { + var xs = new[] { 1.0f, default(float?), 3.0f }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average9() + { + var xs = new[] { 1.0m, 2.0m, 3.0m }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average10() + { + var xs = new[] { 1.0m, default(decimal?), 3.0m }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Average(), ys.Average().Result); + Assert.AreEqual(xs.Average(), ys.Average(x => x).Result); + } + + [TestMethod] + public void Average11() + { + var xs = new int[0]; + var ys = xs.ToAsyncEnumerable(); + AssertThrows<Exception>(() => ys.Average().Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Average12() + { + var xs = new int?[0]; + var ys = xs.ToAsyncEnumerable(); + Assert.IsNull(ys.Average().Result); + } + + [TestMethod] + public void Average13() + { + var xs = new long[0]; + var ys = xs.ToAsyncEnumerable(); + AssertThrows<Exception>(() => ys.Average().Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Average14() + { + var xs = new long?[0]; + var ys = xs.ToAsyncEnumerable(); + Assert.IsNull(ys.Average().Result); + } + + [TestMethod] + public void Average15() + { + var xs = new double[0]; + var ys = xs.ToAsyncEnumerable(); + AssertThrows<Exception>(() => ys.Average().Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Average16() + { + var xs = new double?[0]; + var ys = xs.ToAsyncEnumerable(); + Assert.IsNull(ys.Average().Result); + } + + [TestMethod] + public void Average17() + { + var xs = new float[0]; + var ys = xs.ToAsyncEnumerable(); + AssertThrows<Exception>(() => ys.Average().Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Average18() + { + var xs = new float?[0]; + var ys = xs.ToAsyncEnumerable(); + Assert.IsNull(ys.Average().Result); + } + + [TestMethod] + public void Average19() + { + var xs = new decimal[0]; + var ys = xs.ToAsyncEnumerable(); + AssertThrows<Exception>(() => ys.Average().Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void Average20() + { + var xs = new decimal?[0]; + var ys = xs.ToAsyncEnumerable(); + Assert.IsNull(ys.Average().Result); + } + + [TestMethod] + public void Min_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<int>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<int?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<long>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<long?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<double>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<double?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<float>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<float?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<decimal>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<decimal?>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<int>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<int?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<long>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<long?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<double>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<double?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<float>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<float?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<decimal>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<decimal?>), x => x)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, int>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, int?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, long>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, long?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, double>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, double?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, float>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, float?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, decimal>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, decimal?>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<DateTime>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<DateTime>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<DateTime>(), default(Func<DateTime, bool>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<int>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<int?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<long>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<long?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<double>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<double?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<float>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<float?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<decimal>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<decimal?>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<int>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<int?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<long>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<long?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<double>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<double?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<float>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<float?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<decimal>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<decimal?>), x => x, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, int>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, int?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, long>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, long?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, double>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, double?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, float>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, float?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, decimal>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<int>(), default(Func<int, decimal?>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<DateTime>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<DateTime>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<DateTime>(), default(Func<DateTime, bool>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<DateTime>), Comparer<DateTime>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<DateTime>(), default(IComparer<DateTime>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(default(IAsyncEnumerable<DateTime>), Comparer<DateTime>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Min(AsyncEnumerable.Empty<DateTime>(), default(IComparer<DateTime>), CancellationToken.None)); + } + + [TestMethod] + public void Min1() + { + var xs = new[] { 2, 1, 3 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min2() + { + var xs = new[] { 2, default(int?), 3 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min3() + { + var xs = new[] { 2L, 1L, 3L }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min4() + { + var xs = new[] { 2L, default(long?), 3L }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min5() + { + var xs = new[] { 2.0, 1.0, 3.0 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min6() + { + var xs = new[] { 2.0, default(double?), 3.0 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min7() + { + var xs = new[] { 2.0f, 1.0f, 3.0f }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min8() + { + var xs = new[] { 2.0f, default(float?), 3.0f }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min9() + { + var xs = new[] { 2.0m, 1.0m, 3.0m }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min10() + { + var xs = new[] { 2.0m, default(decimal?), 3.0m }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Min11() + { + var xs = new[] { DateTime.Now.AddDays(1), DateTime.Now.Subtract(TimeSpan.FromDays(1)), DateTime.Now.AddDays(2), DateTime.Now }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Min(), ys.Min().Result); + Assert.AreEqual(xs.Min(), ys.Min(x => x).Result); + } + + [TestMethod] + public void Max_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<int>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<int?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<long>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<long?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<double>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<double?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<float>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<float?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<decimal>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<decimal?>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<int>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<int?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<long>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<long?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<double>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<double?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<float>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<float?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<decimal>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<decimal?>), x => x)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, int>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, int?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, long>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, long?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, double>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, double?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, float>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, float?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, decimal>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, decimal?>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<DateTime>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<DateTime>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<DateTime>(), default(Func<DateTime, bool>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<int>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<int?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<long>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<long?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<double>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<double?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<float>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<float?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<decimal>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<decimal?>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<int>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<int?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<long>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<long?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<double>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<double?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<float>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<float?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<decimal>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<decimal?>), x => x, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, int>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, int?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, long>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, long?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, double>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, double?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, float>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, float?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, decimal>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<int>(), default(Func<int, decimal?>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<DateTime>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<DateTime>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<DateTime>(), default(Func<DateTime, bool>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<DateTime>), Comparer<DateTime>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<DateTime>(), default(IComparer<DateTime>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(default(IAsyncEnumerable<DateTime>), Comparer<DateTime>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Max(AsyncEnumerable.Empty<DateTime>(), default(IComparer<DateTime>), CancellationToken.None)); + } + + [TestMethod] + public void Max1() + { + var xs = new[] { 2, 7, 3 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max2() + { + var xs = new[] { 2, default(int?), 3, 1 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max3() + { + var xs = new[] { 2L, 7L, 3L }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max4() + { + var xs = new[] { 2L, default(long?), 3L, 1L }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max5() + { + var xs = new[] { 2.0, 7.0, 3.0 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max6() + { + var xs = new[] { 2.0, default(double?), 3.0, 1.0 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max7() + { + var xs = new[] { 2.0f, 7.0f, 3.0f }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max8() + { + var xs = new[] { 2.0f, default(float?), 3.0f, 1.0f }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max9() + { + var xs = new[] { 2.0m, 7.0m, 3.0m }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max10() + { + var xs = new[] { 2.0m, default(decimal?), 3.0m, 1.0m }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Max11() + { + var xs = new[] { DateTime.Now.AddDays(1), DateTime.Now.Subtract(TimeSpan.FromDays(1)), DateTime.Now.AddDays(2), DateTime.Now }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Max(), ys.Max().Result); + Assert.AreEqual(xs.Max(), ys.Max(x => x).Result); + } + + [TestMethod] + public void Sum_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<int>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<int?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<long>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<long?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<double>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<double?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<float>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<float?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<decimal>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<decimal?>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<int>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<int?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<long>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<long?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<double>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<double?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<float>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<float?>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<decimal>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<decimal?>), x => x)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, int>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, int?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, long>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, long?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, double>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, double?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, float>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, float?>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, decimal>))); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, decimal?>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<int>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<int?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<long>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<long?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<double>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<double?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<float>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<float?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<decimal>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<decimal?>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<int>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<int?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<long>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<long?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<double>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<double?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<float>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<float?>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<decimal>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(default(IAsyncEnumerable<decimal?>), x => x, CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, int>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, int?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, long>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, long?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, double>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, double?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, float>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, float?>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, decimal>), CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Sum(AsyncEnumerable.Empty<int>(), default(Func<int, decimal?>), CancellationToken.None)); + } + + [TestMethod] + public void Sum1() + { + var xs = new[] { 1, 2, 3 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum2() + { + var xs = new[] { 1, default(int?), 3 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum3() + { + var xs = new[] { 1L, 2L, 3L }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum4() + { + var xs = new[] { 1L, default(long?), 3L }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum5() + { + var xs = new[] { 1.0, 2.0, 3.0 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum6() + { + var xs = new[] { 1.0, default(double?), 3.0 }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum7() + { + var xs = new[] { 1.0f, 2.0f, 3.0f }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum8() + { + var xs = new[] { 1.0f, default(float?), 3.0f }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum9() + { + var xs = new[] { 1.0m, 2.0m, 3.0m }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void Sum10() + { + var xs = new[] { 1.0m, default(decimal?), 3.0m }; + var ys = xs.ToAsyncEnumerable(); + Assert.AreEqual(xs.Sum(), ys.Sum().Result); + Assert.AreEqual(xs.Sum(), ys.Sum(x => x).Result); + } + + [TestMethod] + public void MinBy_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(default(IAsyncEnumerable<int>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(AsyncEnumerable.Return(42), default(Func<int, int>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(default(IAsyncEnumerable<int>), x => x, Comparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(AsyncEnumerable.Return(42), default(Func<int, int>), Comparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(AsyncEnumerable.Return(42), x => x, default(IComparer<int>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(default(IAsyncEnumerable<int>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(AsyncEnumerable.Return(42), default(Func<int, int>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(default(IAsyncEnumerable<int>), x => x, Comparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(AsyncEnumerable.Return(42), default(Func<int, int>), Comparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MinBy(AsyncEnumerable.Return(42), x => x, default(IComparer<int>), CancellationToken.None)); + } + + [TestMethod] + public void MinBy1() + { + var xs = new[] { 3, 5, 7, 6, 4, 2 }.ToAsyncEnumerable().MinBy(x => x / 2); + var res = xs.Result; + + Assert.IsTrue(res.SequenceEqual(new[] { 3, 2 })); + } + + [TestMethod] + public void MinBy2() + { + var xs = new int[0].ToAsyncEnumerable().MinBy(x => x / 2); + + AssertThrows<Exception>(() => xs.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void MinBy3() + { + var ex = new Exception("Bang!"); + var xs = new[] { 3, 5, 7, 6, 4, 2 }.ToAsyncEnumerable().MinBy(x => { if (x == 3) throw ex; return x; }); + + AssertThrows<Exception>(() => xs.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void MinBy4() + { + var ex = new Exception("Bang!"); + var xs = new[] { 3, 5, 7, 6, 4, 2 }.ToAsyncEnumerable().MinBy(x => { if (x == 4) throw ex; return x; }); + + AssertThrows<Exception>(() => xs.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void MinBy5() + { + var ex = new Exception("Bang!"); + var xs = new[] { 3, 5, 7, 6, 4, 2 }.ToAsyncEnumerable().Concat(AsyncEnumerable.Throw<int>(ex)).MinBy(x => x, Comparer<int>.Default); + + AssertThrows<Exception>(() => xs.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void MaxBy_Null() + { + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(default(IAsyncEnumerable<int>), x => x)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(AsyncEnumerable.Return(42), default(Func<int, int>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(default(IAsyncEnumerable<int>), x => x, Comparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(AsyncEnumerable.Return(42), default(Func<int, int>), Comparer<int>.Default)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(AsyncEnumerable.Return(42), x => x, default(IComparer<int>))); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(default(IAsyncEnumerable<int>), x => x, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(AsyncEnumerable.Return(42), default(Func<int, int>), CancellationToken.None)); + + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(default(IAsyncEnumerable<int>), x => x, Comparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(AsyncEnumerable.Return(42), default(Func<int, int>), Comparer<int>.Default, CancellationToken.None)); + AssertThrows<ArgumentNullException>(() => AsyncEnumerable.MaxBy(AsyncEnumerable.Return(42), x => x, default(IComparer<int>), CancellationToken.None)); + } + + [TestMethod] + public void MaxBy1() + { + var xs = new[] { 3, 5, 7, 6, 4, 2 }.ToAsyncEnumerable().MaxBy(x => x / 2); + var res = xs.Result; + + Assert.IsTrue(res.SequenceEqual(new[] { 7, 6 })); + } + + [TestMethod] + public void MaxBy2() + { + var xs = new int[0].ToAsyncEnumerable().MaxBy(x => x / 2); + + AssertThrows<Exception>(() => xs.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() is InvalidOperationException); + } + + [TestMethod] + public void MaxBy3() + { + var ex = new Exception("Bang!"); + var xs = new[] { 3, 5, 7, 6, 4, 2 }.ToAsyncEnumerable().MaxBy(x => { if (x == 3) throw ex; return x; }); + + AssertThrows<Exception>(() => xs.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void MaxBy4() + { + var ex = new Exception("Bang!"); + var xs = new[] { 3, 5, 7, 6, 4, 2 }.ToAsyncEnumerable().MaxBy(x => { if (x == 4) throw ex; return x; }); + + AssertThrows<Exception>(() => xs.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + + [TestMethod] + public void MaxBy5() + { + var ex = new Exception("Bang!"); + var xs = new[] { 3, 5, 7, 6, 4, 2 }.ToAsyncEnumerable().Concat(AsyncEnumerable.Throw<int>(ex)).MaxBy(x => x, Comparer<int>.Default); + + AssertThrows<Exception>(() => xs.Wait(), ex_ => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex); + } + } +} + +#endif
\ No newline at end of file |