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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
using System;
using System.Diagnostics;
using System.Reactive.Concurrency;
using System.Reactive.Disposables;
using System.Threading;
using Microsoft.Reactive.Testing;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace ReactiveTests.Tests
{
[TestClass]
public class ImmediateSchedulerTest
{
[TestMethod]
public void Immediate_Now()
{
var res = Scheduler.Immediate.Now - DateTime.Now;
Assert.IsTrue(res.Seconds < 1);
}
[TestMethod]
public void Immediate_ScheduleAction()
{
var id = Thread.CurrentThread.ManagedThreadId;
var ran = false;
Scheduler.Immediate.Schedule(() => { Assert.AreEqual(id, Thread.CurrentThread.ManagedThreadId); ran = true; });
Assert.IsTrue(ran);
}
[TestMethod]
public void Immediate_ScheduleActionError()
{
var ex = new Exception();
try
{
Scheduler.Immediate.Schedule(() => { throw ex; });
Assert.Fail();
}
catch (Exception e)
{
Assert.AreSame(e, ex);
}
}
[TestMethod]
public void Immediate_ArgumentChecking()
{
ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Immediate.Schedule<int>(42, default(Func<IScheduler, int, IDisposable>)));
ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Immediate.Schedule<int>(42, DateTimeOffset.Now, default(Func<IScheduler, int, IDisposable>)));
ReactiveAssert.Throws<ArgumentNullException>(() => Scheduler.Immediate.Schedule<int>(42, TimeSpan.Zero, default(Func<IScheduler, int, IDisposable>)));
}
[TestMethod]
public void Immediate_Simple1()
{
var _x = 0;
Scheduler.Immediate.Schedule<int>(42, (self, x) => { _x = x; return Disposable.Empty; });
Assert.AreEqual(42, _x);
}
[TestMethod]
public void Immediate_Simple2()
{
var _x = 0;
Scheduler.Immediate.Schedule<int>(42, DateTimeOffset.Now, (self, x) => { _x = x; return Disposable.Empty; });
Assert.AreEqual(42, _x);
}
[TestMethod]
public void Immediate_Simple3()
{
var _x = 0;
Scheduler.Immediate.Schedule<int>(42, TimeSpan.Zero, (self, x) => { _x = x; return Disposable.Empty; });
Assert.AreEqual(42, _x);
}
[TestMethod]
public void Immediate_Recursive1()
{
var _x = 0;
var _y = 0;
Scheduler.Immediate.Schedule<int>(42, (self, x) => { _x = x; return self.Schedule<int>(43, (self2, y) => { _y = y; return Disposable.Empty; }); });
Assert.AreEqual(42, _x);
Assert.AreEqual(43, _y);
}
[TestMethod]
public void Immediate_Recursive2()
{
var _x = 0;
var _y = 0;
Scheduler.Immediate.Schedule<int>(42, (self, x) => { _x = x; return self.Schedule<int>(43, DateTimeOffset.Now, (self2, y) => { _y = y; return Disposable.Empty; }); });
Assert.AreEqual(42, _x);
Assert.AreEqual(43, _y);
}
[TestMethod]
public void Immediate_Recursive3()
{
var _x = 0;
var _y = 0;
Scheduler.Immediate.Schedule<int>(42, (self, x) => { _x = x; return self.Schedule<int>(43, TimeSpan.FromMilliseconds(100), (self2, y) => { _y = y; return Disposable.Empty; }); });
Assert.AreEqual(42, _x);
Assert.AreEqual(43, _y);
}
[TestMethod]
public void Immediate_ArgumentChecking_More()
{
Scheduler.Immediate.Schedule(42, (self, state) =>
{
ReactiveAssert.Throws<ArgumentNullException>(() =>
{
self.Schedule(43, default(Func<IScheduler, int, IDisposable>));
});
return Disposable.Empty;
});
Scheduler.Immediate.Schedule(42, (self, state) =>
{
ReactiveAssert.Throws<ArgumentNullException>(() =>
{
self.Schedule(43, TimeSpan.FromSeconds(1), default(Func<IScheduler, int, IDisposable>));
});
return Disposable.Empty;
});
Scheduler.Immediate.Schedule(42, (self, state) =>
{
ReactiveAssert.Throws<ArgumentNullException>(() =>
{
self.Schedule(43, DateTimeOffset.UtcNow.AddDays(1), default(Func<IScheduler, int, IDisposable>));
});
return Disposable.Empty;
});
}
#if !SILVERLIGHT
[TestMethod]
[Ignore]
public void Immediate_ScheduleActionDue()
{
var id = Thread.CurrentThread.ManagedThreadId;
var ran = false;
var sw = new Stopwatch();
sw.Start();
Scheduler.Immediate.Schedule(TimeSpan.FromSeconds(0.2), () => { sw.Stop(); Assert.AreEqual(id, Thread.CurrentThread.ManagedThreadId); ran = true; });
Assert.IsTrue(ran, "ran");
Assert.IsTrue(sw.ElapsedMilliseconds > 180, "due " + sw.ElapsedMilliseconds);
}
#endif
}
}
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