Bash script pass sentence in block Post: 302166212

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test::unit::assertion::coderef

Test::Unit::Assertion::CodeRef(3pm)			User Contributed Perl Documentation		       Test::Unit::Assertion::CodeRef(3pm)

NAME

       Test::Unit::Assertion::CodeRef - A delayed evaluation assertion using a Coderef

SYNOPSIS

	   require Test::Unit::Assertion::CodeRef;

	   my $assert_eq =
	     Test::Unit::Assertion::CodeRef->new(sub {
	       $_[0] eq $_[1]
		 or Test::Unit::Failure->throw(-text =>
						 "Expected '$_[0]', got '$_[1]'
");
	     });

	   $assert_eq->do_assertion('foo', 'bar');

       Although this is how you'd use Test::Unit::Assertion::CodeRef directly, it is more usually used indirectly via Test::Unit::Test::assert,
       which instantiates a Test::Unit::Assertion::CodeRef when passed a Coderef as its first argument.

IMPLEMENTS

       Test::Unit::Assertion::CodeRef implements the Test::Unit::Assertion interface, which means it can be plugged into the Test::Unit::TestCase
       and friends' "assert" method with no ill effects.

DESCRIPTION

       This class is used by the framework to allow us to do assertions in a 'functional' manner. It is typically used generated automagically in
       code like:

	   $self->assert(sub {
			   $_[0] == $_[1]
			     or $self->fail("Expected $_[0], got $_[1]");
			 }, 1, 2);

       (Note that if Damian Conway's Perl6 RFC for currying ever comes to pass then we'll be able to do this as:

	   $self->assert(^1 == ^2 || $self->fail("Expected ^1, got ^2"), 1, 2)

       which will be nice...)

       If you have a working B::Deparse installed with your perl installation then, if an assertion fails, you'll see a listing of the decompiled
       coderef (which will be sadly devoid of comments, but should still be useful)

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::TestCase

       o   Test::Unit::Assertion

perl v5.8.8							    2006-09-13				       Test::Unit::Assertion::CodeRef(3pm)