** Project changed: nunitv2 => nunit-3.0
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https://bugs.launchpad.net/bugs/1099517
Title:
Assert.That with Throws should allow asserting on lambda property
Status in NUnit Test Framework:
Triaged
Bug description:
To assert a property name, one can use the following
Assert.That (testDelegate,
Throws.ArgumentException.With.Property("ParamName").EqualTo ("name"));
or this one, as a refactor-friendly way
Assert.That (testDelegate,
Throws.ArgumentException.And.Matches<ArgumentException> (x => x.ParamName ==
"name"));
It works but the error text reported when the assert is not satisfied is
rather generic:
Expected: <System.ArgumentException> and value matching lambda expression
There should be an easier way to express the intent and have a better error
message, something like:
Assert.That (testDelegate, Throws.ArgumentException.And.Property(ex =>
ex.ParamName).EqualTo ("name"));
with the error reporting:
Expected: Property lambda ex.ParamName with value "name"
but got
Property lambda ex.ParamName with value "myParam"
TestCaseData migh also benefit from this if it implemented the lambda
property functionality.
As discussed here: https://groups.google.com/forum/#!topic/nunit-
discuss/Fg0oFzR8owE
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