public void SyncWithActionCapturesException()
{
// Arrange
InvalidOperationException exception = new InvalidOperationException("Some exception text.");
// Act
Mock <SynchronizationContext> mockSyncContext = new Mock <SynchronizationContext>();
mockSyncContext
.Expect(sc => sc.Send(It.IsAny <SendOrPostCallback>(), null))
.Callback(
delegate(SendOrPostCallback d, object state) {
try {
d(state);
}
catch {
// swallow exceptions, just like AspNetSynchronizationContext
}
});
// Act & assert
ExceptionHelper.ExpectInvalidOperationException(
delegate {
SynchronizationContextHelper.Sync(mockSyncContext.Object, () => { throw exception; });
},
@"Some exception text.");
}
public void SyncWithFunc()
{
// Arrange
bool sendWasCalled = false;
Mock <SynchronizationContext> mockSyncContext = new Mock <SynchronizationContext>();
mockSyncContext
.Expect(sc => sc.Send(It.IsAny <SendOrPostCallback>(), null))
.Callback(
delegate(SendOrPostCallback d, object state) {
sendWasCalled = true;
d(state);
});
// Act
int retVal = SynchronizationContextHelper.Sync(mockSyncContext.Object, () => 42);
// Assert
Assert.AreEqual(42, retVal);
Assert.IsTrue(sendWasCalled);
}