public void WaitForTest()
{
using (var context = UnitTestSynchronizationContext.Create())
{
bool flag = false;
Action asyncAction = async() =>
{
await Task.Delay(10);
flag = true;
};
asyncAction();
Assert.IsFalse(flag);
context.WaitFor(() => flag, TimeSpan.FromSeconds(1));
Assert.IsTrue(flag);
AssertHelper.ExpectedException <TimeoutException>(() => context.WaitFor(() => !flag, TimeSpan.FromMilliseconds(10)));
AssertHelper.ExpectedException <ArgumentNullException>(() => UnitTestSynchronizationContextExtensions.WaitFor(context, null, TimeSpan.FromMilliseconds(10)));
}
AssertHelper.ExpectedException <ArgumentNullException>(() => UnitTestSynchronizationContextExtensions.WaitFor(null, () => true, TimeSpan.FromMilliseconds(10)));
}
