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Test::Assertions provides a convenient set of tools for constructing tests, such as unit tests or run-time assertion checks (like C's ASSERT macro). Unlike some of the Test:: modules available on CPAN, Test::Assertions is not limited to unit test scripts; for example it can be used to check output is as expected within a benchmarking script. When it is used for unit tests, it generates output in the standard form for CPAN unit testing (under Test::Harness).

UUID - Perl extension for using UUID interfaces as defined in e2fsprogs.

Testing is usually the ugly part of Perl module authoring. Perl gives you a standard way to run tests with Test::Harness, and basic testing primitives with Test::More. After that you are pretty much on your own to develop a testing framework and philosophy. Test::More encourages you to make your own framework by subclassing Test::Builder, but that is not trivial. Test::Base gives you a way to write your own test framework base class that *is* trivial.

Sometimes you want to make sure that your "faster" algorithm really is faster than the old way. This lets you check. It might also be useful to check that your super whizzo XS or Inline::C version is actually faster. This module is based on the standard Benchmark module. If you have lots of timings to compare and you don't want to keep running the same benchmarks all the time, you can pass in a result object from Benchmark::timethis() instead of sub routine reference.

This perhaps ridiculous-seeming module was created to test routines that manipulate random numbers by providing a known output from rand. Given a list of seeds with srand, it will return each in turn. After seeded random numbers are exhausted, it will always return 0. Seed numbers must be of a form that meets the expected output from rand as called with no arguments -- i.e. they must be between 0 (inclusive) and 1 (exclusive). In order to facilitate generating and testing a nearly-one number, this module exports the function oneish, which returns a number just fractionally less than one. Depending on how this module is called with use, it will export rand to a specified package (e.g. a class being tested) effectively overriding and intercepting calls in that package to the built-in rand. It can also override rand in the current package or even globally. In all of these cases, it also exports srand and oneish to the current package in order to control the output of rand. Alternatively, this module can be used to generate objects, with each object maintaining its own distinct seed array.

Sometimes using Test::More's is test isn't good enough. Its diagnostics may make it easy to miss differences between strings. By using is_binary instead of is, the "!" tells us that the lines differ, and we can quickly scan the bytes that make up the line to see which differ. When comparing very long strings, we can stop after we've seen a few differences.

Test::Bits provides a single subroutine, bits_is(), for testing binary data. This module is quite similar to Test::BinaryData and Test::HexString in concept. The difference is that this module shows failure diagnostics in a different way, and has a slightly different calling style. Depending on the nature of the data you're working with, this module may be easier to work with.

This module allows you to specify the number of expected tests at a finer level of granularity than an entire test script. It is built with Test::Builder and plays happily with Test::More and friends.

Test::CPAN::Meta::YAML was written to ensure that a META.yml file, provided with a standard distribution uploaded to CPAN, meets the specifications that slowly being introduced to module uploads, via the use of ExtUtils::MakeMaker, Module::Build and Module::Install. See CPAN::Meta for further details of the CPAN Meta Specification.

Test::CPAN::Meta was written to ensure that a META.yml file, provided with a standard distribution uploaded to CPAN, meets the specifications that are slowly being introduced to module uploads, via the use of package makers and installers such as ExtUtils::MakeMaker, Module::Build and Module::Install.