Test::Builder

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Test modules created using Test::Builder all work nicely together. Among other things, they don't get confused with the counting of the tests.

There are many Test::Builder based modules already available from CPAN. Not only Test::Simple and Test::More.

• Test::Warn
• Test::NoWarnings
• Test::Exception
• Test::Deep
• Test::Differences
• ...

We'll see some of them here.