May 26, 2018

Test for warnings and the lack of them

If you’ve ever tried to use TestNoWarnings to confirm there are no warnings generated by your tests, combined with the convenience of done_testing to not have to declare a test count, you’ll have discovered that these two features do not play well together, as the test count will be calculated before the warnings test is run, resulting in a TAP error. See examples/ in this distribution for a demonstration.

This module is intended to be used as a drop-in replacement for TestNoWarnings it also adds an extra test, but runs this test before done_testing calculates the test count, rather than after. It does this by hooking into done_testing as well as via an END block. You can declare a plan, or not, and things will still Just Work.

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