public void Matches_should_detect_empty_nominal()
{
var subj = new ThrowsMatcher();
var val = subj.Matches(ThrowingMethod);
Assert.True(val);
}
public void No_match_if_thrown_exception_does_not_match_predicate()
{
var matcher = new ThrowsMatcher <ArgumentNullException>().With(e => e.Message == "something else");
var matches = matcher.Matches(DoIt);
NHAssert.That(matches, Is.False());
}
public void No_match_if_action_throws_different_exception()
{
var matcher = new ThrowsMatcher <NullReferenceException>();
var match = matcher.Matches(DoIt);
NHAssert.That(match, Is.False());
}
public void No_match_if_action_does_not_throw()
{
var matcher = new ThrowsMatcher <ArgumentException>();
var match = matcher.Matches(() => { });
NHAssert.That(match, Is.False());
}
public void Describe_mismatch_if_thrown_exception_does_not_match_predicate()
{
var matcher = new ThrowsMatcher <ArgumentNullException>().With(e => e.Message == "something else");
var description = new StringDescription();
matcher.DescribeMismatch(DoIt, description);
NHAssert.That(description.ToString(), Starts.With("the exception was of the correct type, but did not match the predicate"));
}
public void Describe_mismatch_if_action_throws_different_exception()
{
var matcher = new ThrowsMatcher <NullReferenceException>();
var description = new StringDescription();
matcher.DescribeMismatch(DoIt, description);
NHAssert.That(description.ToString(), Starts.With("an exception of type System.ArgumentNullException was thrown"));
}
public void Describe_mismatch_if_action_does_not_throw()
{
var matcher = new ThrowsMatcher <ArgumentException>();
var description = new StringDescription();
matcher.DescribeMismatch(() => { }, description);
NHAssert.That(description.ToString(), Is.EqualTo("no exception was thrown"));
}
public void Describe_matcher()
{
var matcher = new ThrowsMatcher <ArgumentNullException>();
var description = new StringDescription();
matcher.DescribeTo(description);
NHAssert.That(description.ToString(), Is.EqualTo("the block to throw an exception of type System.ArgumentNullException"));
}
public void Matches_should_detect_non_empty_nominal()
{
var subj = new ThrowsMatcher();
Assert.False(subj.Matches(NonThrowingMethod));
}