92 lines
3.1 KiB
C#
92 lines
3.1 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Threading;
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using Moq;
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using Xunit;
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using Assert = Microsoft.TestCommon.AssertEx;
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namespace System.Web.Mvc.Async.Test
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{
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public class SynchronizationContextUtilTest
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{
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[Fact]
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public void SyncWithAction()
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{
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// Arrange
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bool actionWasCalled = false;
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bool sendWasCalled = false;
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Mock<SynchronizationContext> mockSyncContext = new Mock<SynchronizationContext>();
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mockSyncContext
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.Setup(sc => sc.Send(It.IsAny<SendOrPostCallback>(), null))
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.Callback(
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delegate(SendOrPostCallback d, object state)
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{
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sendWasCalled = true;
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d(state);
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});
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// Act
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SynchronizationContextUtil.Sync(mockSyncContext.Object, () => { actionWasCalled = true; });
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// Assert
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Assert.True(actionWasCalled);
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Assert.True(sendWasCalled);
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}
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[Fact]
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public void SyncWithActionCapturesException()
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{
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// Arrange
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InvalidOperationException exception = new InvalidOperationException("Some exception text.");
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Mock<SynchronizationContext> mockSyncContext = new Mock<SynchronizationContext>();
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mockSyncContext
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.Setup(sc => sc.Send(It.IsAny<SendOrPostCallback>(), null))
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.Callback(
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delegate(SendOrPostCallback d, object state)
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{
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try
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{
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d(state);
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}
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catch
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{
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// swallow exceptions, just like AspNetSynchronizationContext
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}
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});
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// Act & assert
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SynchronousOperationException thrownException = Assert.Throws<SynchronousOperationException>(
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delegate { SynchronizationContextUtil.Sync(mockSyncContext.Object, () => { throw exception; }); },
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@"An operation that crossed a synchronization context failed. See the inner exception for more information.");
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Assert.Equal(exception, thrownException.InnerException);
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}
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[Fact]
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public void SyncWithFunc()
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{
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// Arrange
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bool sendWasCalled = false;
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Mock<SynchronizationContext> mockSyncContext = new Mock<SynchronizationContext>();
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mockSyncContext
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.Setup(sc => sc.Send(It.IsAny<SendOrPostCallback>(), null))
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.Callback(
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delegate(SendOrPostCallback d, object state)
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{
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sendWasCalled = true;
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d(state);
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});
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// Act
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int retVal = SynchronizationContextUtil.Sync(mockSyncContext.Object, () => 42);
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// Assert
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Assert.Equal(42, retVal);
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Assert.True(sendWasCalled);
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}
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}
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}
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