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Add declarative equivalent of JUnit's assertThrows #329
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The functionality I desire could really benefit from Java 1.8 lambda expressions, while Hamcrest is still on Java 1.7. |
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I've prepared a fix that adds the desired functionality.
Illustration of use (using Java 1.8 lambda expressions):
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I created a PR for my changes, but it doesn't link correctly. |
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…failures with some JDKs
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Since version 4.13, JUnit has added
assertThrows
, with typical JUnit style "expected first argument, actual second argument".Hamcrest does not have a declarative equivalent.
As a developer, I want to have a declarative equivalent of Junit's
assertThrows
, so that I can consistently use Hamcrest's declarative syntax when writing unit tests.So, given the JUnit syntax:
assertThrows(Throwable.class, () -> methodThatThrows())
I would like to be able to write something like this in Hamcrest syntax:
assertThat(() -> methodThatThrows(), throws(instanceOf(Throwable.class)));
Of course,
throws
is a reserved keyword in Java, so that would have to become for exampledoesThrow
instead.The text was updated successfully, but these errors were encountered: