public async Task When_async_method_throws_exception_expected_through_ValueTask_not_to_be_thrown_it_should_fail()
{
// Arrange
var asyncObject = new AsyncClass();
// Act
Func <Task> action = () => asyncObject
.Awaiting(x => x.ThrowAsyncValueTask <ArgumentException>())
.Should().NotThrowAsync <ArgumentException>();
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Did not expect System.ArgumentException, but found*");
}
public async Task When_async_method_throws_unexpected_exception_through_ValueTask_it_should_fail()
{
// Arrange
var asyncObject = new AsyncClass();
// Act
Func <Task> action = () => asyncObject
.Awaiting(x => x.ThrowAsyncValueTask <ArgumentException>())
.Should().ThrowAsync <InvalidOperationException>("because {0} should do that", "IFoo.Do");
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Expected a <System.InvalidOperationException> to be thrown because IFoo.Do should do that, but found <System.ArgumentException>*");
}
public async Task When_async_method_does_not_throw_expected_exception_it_should_fail()
{
// Arrange
var asyncObject = new AsyncClass();
// Act
Func <Task> action = () => asyncObject
.Awaiting(x => x.SucceedAsync())
.Should().ThrowAsync <InvalidOperationException>("because {0} should do that", "IFoo.Do");
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Expected a <System.InvalidOperationException> to be thrown because IFoo.Do should do that, but no exception was thrown.");
}
public async Task When_subject_throws_aggregate_exception_and_not_expected_exact_exception_through_ValueTask_it_should_fail()
{
// Arrange
var asyncObject = new AsyncClass();
// Act
Func <Task> action = () => asyncObject
.Awaiting(x => x.ThrowAggregateExceptionAsyncValueTask <ArgumentException>())
.Should().ThrowExactlyAsync <ArgumentException>("because {0} should do that", "IFoo.Do");
// Assert
await action.Should().ThrowAsync <XunitException>()
.WithMessage("Expected type to be System.ArgumentException because IFoo.Do should do that, but found System.AggregateException.");
}
public async Task When_poll_interval_is_negative_for_async_func_it_should_throw()
{
// Arrange
var waitTime = 10.Milliseconds();
var pollInterval = -1.Milliseconds();
var asyncObject = new AsyncClass();
Func <Task> someFunc = () => asyncObject.SucceedAsync();
// Act
Func <Task> act = () => someFunc.Should().NotThrowAfterAsync(waitTime, pollInterval);
// Assert
await act.Should().ThrowAsync <ArgumentOutOfRangeException>()
.WithMessage("* value of pollInterval must be non-negative*");
}
public async Task When_poll_interval_is_zero_for_async_func_executed_with_wait_it_should_not_throw()
{
// Arrange
var waitTime = 10.Milliseconds();
var pollInterval = 0.Milliseconds();
var clock = new FakeClock();
var asyncObject = new AsyncClass();
Func <Task> someFunc = () => asyncObject.SucceedAsync();
// Act
Func <Task> act = () => someFunc.Should(clock).NotThrowAfterAsync(waitTime, pollInterval);
// Assert
await act.Should().NotThrowAsync();
}