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#!/usr/local/bin/perl -w
use strict ;
use Test ;
use Text::Diff ;
my @A = map "$_\n", qw( 1 2 3 4 ) ;
my @B = map "$_\n", qw( 1 2 3 5 ) ;
sub _d($) { diff \@A, \@B, { OUTPUT => shift } }
sub slurp { open SLURP, "<" . shift or die $! ; return join "", <SLURP> }
my $expected = _d undef ;
my @tests = (
sub { ok $expected =~ tr/\n// },
sub { my $o ; _d sub { $o .= shift } ; ok $o, $expected },
sub { my @o ; _d \@o ; ok join( "", @o ), $expected },
sub {
open F, ">output.t.foo" or die $! ;
_d \*F ;
close F or die $! ;
ok slurp "output.t.foo", $expected ;
unlink "output.t.foo" or warn $! ;
},
sub {
require IO::File ;
my $fh = IO::File->new( ">output.t.foo" ) ;
_d $fh ;
$fh = undef ;
ok slurp "output.t.foo", $expected ;
unlink "output.t.foo" or warn $! ;
},
sub { ok 0 < index( diff( \"\n", \"", { STYLE => "Table" } ), "\\n" ) },
# test for bug reported by Ilya Martynov <ilya@martynov.org>
sub { ok diff( \"", \"" ), "" },
sub { ok diff( \"A", \"A" ), "" },
) ;
plan tests => scalar @tests ;
$_->() for @tests ;
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