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Test::Unit::Assertion(3pm) User Contributed Perl Documentation Test::Unit::Assertion(3pm) NAME
Test::Unit::Assertion - The abstract base class for assertions NAME
Any assertion class that expects to plug into Test::Unit::Assert needs to implement this interface. Required methods new Creates a new assertion object. Takes whatever arguments you desire. Isn't strictly necessary for the framework to work with this class but is generally considered a good idea. do_assertion This is the important one. If Test::Unit::Assert::assert is called with an object as its first argument then it does: $_[0]->do_assertion(@_[1 .. $#_]) || $self->fail("Assertion failed"); This means that "do_assertion" should return true if the assertion succeeds and false if it doesn't. Or, you can fail by throwing a Test::Unit::Failure object, which will get caught further up the stack and used to produce a sensible error report. Generally it's good practice for do_assertion to die with a meaningful error on assertion failure rather than just returning false. AUTHOR
Copyright (c) 2001 Piers Cawley <pdcawley@iterative-software.com>. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
o Test::Unit::Assert o Test::Unit::CodeRef o Test::Unit::Regexp perl v5.8.8 2006-09-13 Test::Unit::Assertion(3pm)