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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Collections.Generic;
using System.Threading;
using Xunit;
namespace System.Linq.Parallel.Tests
{
public class AnyTests
{
public static IEnumerable<object[]> OnlyOneData(int[] counts)
{
Func<int, IEnumerable<int>> positions = x => new[] { 0, x / 2, Math.Max(0, x - 1) }.Distinct();
foreach (object[] results in UnorderedSources.Ranges(counts.Cast<int>(), positions)) yield return results;
}
//
// Any
//
[Theory]
[MemberData(nameof(Sources.Ranges), (object)(new int[] { 0, 1, 2, 16 }), MemberType = typeof(UnorderedSources))]
public static void Any_Contents(Labeled<ParallelQuery<int>> labeled, int count)
{
ParallelQuery<int> query = labeled.Item;
Assert.Equal(count > 0, query.Any());
}
[Theory]
[OuterLoop]
[MemberData(nameof(Sources.Ranges), (object)(new int[] { 1024 * 1024, 1024 * 1024 * 4 }), MemberType = typeof(UnorderedSources))]
public static void Any_Contents_Longrunning(Labeled<ParallelQuery<int>> labeled, int count)
{
Any_Contents(labeled, count);
}
[Theory]
[MemberData(nameof(Sources.Ranges), (object)(new int[] { 0, 1, 2, 16 }), MemberType = typeof(UnorderedSources))]
public static void Any_AllFalse(Labeled<ParallelQuery<int>> labeled, int count)
{
ParallelQuery<int> query = labeled.Item;
IntegerRangeSet seen = new IntegerRangeSet(0, count);
Assert.False(query.Any(x => !seen.Add(x)));
seen.AssertComplete();
}
[Theory]
[OuterLoop]
[MemberData(nameof(Sources.Ranges), (object)(new int[] { 1024 * 1024, 1024 * 1024 * 4 }), MemberType = typeof(UnorderedSources))]
public static void Any_AllFalse_Longrunning(Labeled<ParallelQuery<int>> labeled, int count)
{
Any_AllFalse(labeled, count);
}
[Theory]
[MemberData(nameof(Sources.Ranges), (object)(new int[] { 0, 1, 2, 16 }), MemberType = typeof(UnorderedSources))]
public static void Any_AllTrue(Labeled<ParallelQuery<int>> labeled, int count)
{
ParallelQuery<int> query = labeled.Item;
Assert.Equal(count > 0, query.Any(x => x >= 0));
}
[Theory]
[OuterLoop]
[MemberData(nameof(Sources.Ranges), (object)(new int[] { 1024 * 1024, 1024 * 1024 * 4 }), MemberType = typeof(UnorderedSources))]
public static void Any_AllTrue_Longrunning(Labeled<ParallelQuery<int>> labeled, int count)
{
Any_AllTrue(labeled, count);
}
[Theory]
[MemberData(nameof(OnlyOneData), (object)(new int[] { 2, 16 }))]
public static void Any_OneFalse(Labeled<ParallelQuery<int>> labeled, int count, int position)
{
ParallelQuery<int> query = labeled.Item;
Assert.True(query.Any(x => !(x == position)));
}
[Theory]
[OuterLoop]
[MemberData(nameof(OnlyOneData), (object)(new int[] { 1024 * 1024, 1024 * 1024 * 4 }))]
public static void Any_OneFalse_Longrunning(Labeled<ParallelQuery<int>> labeled, int count, int position)
{
Any_OneFalse(labeled, count, position);
}
[Theory]
[MemberData(nameof(OnlyOneData), (object)(new int[] { 2, 16 }))]
public static void Any_OneTrue(Labeled<ParallelQuery<int>> labeled, int count, int position)
{
ParallelQuery<int> query = labeled.Item;
Assert.True(query.Any(x => x == position));
}
[Theory]
[OuterLoop]
[MemberData(nameof(OnlyOneData), (object)(new int[] { 1024 * 1024, 1024 * 1024 * 4 }))]
public static void Any_OneTrue_Longrunning(Labeled<ParallelQuery<int>> labeled, int count, int position)
{
Any_OneTrue(labeled, count, position);
}
//
// Tests the Any() operator applied to infinite enumerables
//
[Fact]
public static void Any_Infinite()
{
Assert.True(InfiniteEnumerable().AsParallel().Any());
Assert.True(InfiniteEnumerable().AsParallel().Any(x => true));
}
[Theory]
[MemberData(nameof(Sources.Ranges), (object)(new int[] { 1 }), MemberType = typeof(UnorderedSources))]
public static void Any_OperationCanceledException_PreCanceled(Labeled<ParallelQuery<int>> labeled, int count)
{
CancellationTokenSource cs = new CancellationTokenSource();
cs.Cancel();
Functions.AssertIsCanceled(cs, () => labeled.Item.WithCancellation(cs.Token).Any());
Functions.AssertIsCanceled(cs, () => labeled.Item.WithCancellation(cs.Token).Any(x => true));
}
[Theory]
[MemberData(nameof(Sources.Ranges), (object)(new int[] { 1 }), MemberType = typeof(UnorderedSources))]
public static void Any_AggregateException(Labeled<ParallelQuery<int>> labeled, int count)
{
Functions.AssertThrowsWrapped<DeliberateTestException>(() => labeled.Item.Any(x => { throw new DeliberateTestException(); }));
Functions.AssertThrowsWrapped<DeliberateTestException>(() => labeled.Item.Select((Func<int, int>)(x => { throw new DeliberateTestException(); })).Any());
}
[Fact]
public static void Any_ArgumentNullException()
{
Assert.Throws<ArgumentNullException>(() => ((ParallelQuery<bool>)null).Any(x => x));
Assert.Throws<ArgumentNullException>(() => ParallelEnumerable.Empty<bool>().Any(null));
}
private static IEnumerable<int> InfiniteEnumerable()
{
while (true) yield return 0;
}
}
}
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