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#!/usr/bin/env perl
require 5.008;
use warnings;
use strict;
unshift(@INC, '.');
require qpdf_test_helpers;
chdir("qpdf") or die "chdir testdir failed: $!\n";
require TestDriver;
cleanup();
my $td = new TestDriver('incremental');
my $n_tests = 6;
# Since the beginning but discovered at the time of releasing 11.8.0:
# qpdf doesn't delete earlier generations of an object when they are
# reused. See also EXPECT_FAILURE in object-stream.test and
# linearization.test.
$td->runtest("handle delete and reuse",
{$td->COMMAND => "qpdf --qdf --static-id incremental-1.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.pdf"},
{$td->FILE => "incremental-1-out.qdf"},
$td->NORMALIZE_NEWLINES | $td->EXPECT_FAILURE);
$td->runtest("check xref",
{$td->COMMAND => "qpdf --show-xref incremental-1.pdf"},
{$td->FILE => "incremental-1-xref.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES | $td->EXPECT_FAILURE);
$td->runtest("handle delete and reuse",
{$td->COMMAND => "qpdf --qdf --static-id incremental-2.pdf a.pdf"},
{$td->STRING => "", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES);
$td->runtest("check output",
{$td->FILE => "a.pdf"},
# intentionally comparing incremental-2 with incremental-1-out
{$td->FILE => "incremental-1-out.qdf"},
$td->NORMALIZE_NEWLINES | $td->EXPECT_FAILURE);
$td->runtest("check xref",
{$td->COMMAND => "qpdf --show-xref incremental-1.pdf"},
{$td->FILE => "incremental-2-xref.out", $td->EXIT_STATUS => 0},
$td->NORMALIZE_NEWLINES | $td->EXPECT_FAILURE);
cleanup();
$td->report($n_tests);
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