/usr/share/perl5/Test/Unit/Assertion.pm is in libtest-unit-perl 0.25-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | package Test::Unit::Assertion;
use strict;
use Carp;
use Test::Unit::Failure;
use overload '""' => 'to_string';
sub fail {
my $self = shift;
my($asserter, $file, $line) = caller(2); # We're always called from
# within an Assertion...
Test::Unit::Failure->throw(-object => $self,
-file => $file,
-line => $line,
-text => join '', @_);
}
sub do_assertion {
Carp::croak("$_[0] forgot to override do_assertion");
}
sub new {
Carp::croak("$_[0] forgot to override new");
}
1;
__END__
=head1 NAME
Test::Unit::Assertion - The abstract base class for assertions
=head1 NAME
Any assertion class that expects to plug into Test::Unit::Assert needs
to implement this interface.
=head2 Required methods
=over 4
=item 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.
=item 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 C<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.
=back
=head1 AUTHOR
Copyright (c) 2001 Piers Cawley E<lt>pdcawley@iterative-software.comE<gt>.
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
=head1 SEE ALSO
=over 4
=item *
L<Test::Unit::Assert>
=item *
L<Test::Unit::CodeRef>
=item *
L<Test::Unit::Regexp>
=back
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