overwrite-self.test
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#!/usr/bin/env perl
require 5.008;
use warnings;
use strict;
use File::Copy;
unshift(@INC, '.');
require qpdf_test_helpers;
chdir("qpdf") or die "chdir testdir failed: $!\n";
require TestDriver;
cleanup();
my $td = new TestDriver('overwrite-self');
my $n_tests = 3;
copy("minimal.pdf", "a.pdf");
copy("minimal.pdf", "split-out.pdf");
# Also tests @- for reading args from stdin
$td->runtest("don't overwrite self",
{$td->COMMAND => "(echo a.pdf; echo a.pdf) | qpdf \@-"},
{$td->REGEXP => "input file and output file are the same.*",
$td->EXIT_STATUS => 2});
$td->runtest("output is not really output for split",
{$td->COMMAND => "qpdf --split-pages split-out.pdf split-out.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0});
$td->runtest("don't overwrite self (split)",
{$td->COMMAND =>
"qpdf --split-pages split-out-1.pdf split-out.pdf"},
{$td->REGEXP =>
".*split pages would overwrite.* split-out-1.pdf",
$td->EXIT_STATUS => 2});
cleanup();
$td->report($n_tests);