Utf8Test.php

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<?php
# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
# http://www.mediawiki.org/
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# http://www.gnu.org/copyleft/gpl.html

require_once 'include/Unicode/UtfNormal.php';
mb_internal_encoding("utf-8");

#$verbose = true;
if (php_sapi_name() != 'cli') {
    die("Run me from the command line please.\n");
}

$in = fopen("UTF-8-test.txt", "rt");
if (!$in) {
    print "Couldn't open UTF-8-test.txt -- can't run tests.\n";
    print "If necessary, manually download this file. It can be obtained at\n";
    print "http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt";
    exit(-1);
}

$columns = 0;
while (false !== ($line = fgets($in))) {
    $matches = array();
    if (preg_match('/^(Here come the tests:\s*)\|$/', $line, $matches)) {
        $columns = strpos($line, '|');
        break;
    }
}

if (!$columns) {
    print "Something seems to be wrong; couldn't extract line length.\n";
    print "Check that UTF-8-test.txt was downloaded correctly from\n";
    print "http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt";
    exit(-1);
}

# print "$columns\n";

$ignore = array(
    # These two lines actually seem to be corrupt
    '2.1.1', '2.2.1' );

$exceptions = array(
    # Tests that should mark invalid characters due to using long
    # sequences beyond what is now considered legal.
    '2.1.5', '2.1.6', '2.2.4', '2.2.5', '2.2.6', '2.3.5',

    # Literal 0xffff, which is illegal
    '2.2.3' );

$longTests = array(
    # These tests span multiple lines
    '3.1.9', '3.2.1', '3.2.2', '3.2.3', '3.2.4', '3.2.5',
    '3.4' );

# These tests are not in proper subsections
$sectionTests = array( '3.4' );

$section = null;
$test = '';
$failed = 0;
$success = 0;
$total = 0;
while (false !== ($line = fgets($in))) {
    $matches = array();
    if (preg_match('/^(\d+)\s+(.*?)\s*\|/', $line, $matches)) {
        $section = $matches[1];
        print $line;
        continue;
    }
    if (preg_match('/^(\d+\.\d+\.\d+)\s*/', $line, $matches)) {
        $test = $matches[1];

        if (in_array($test, $ignore)) {
            continue;
        }
        if (in_array($test, $longTests)) {
            $line = fgets($in);
            for ($line = fgets($in); !preg_match('/^\s+\|/', $line); $line = fgets($in)) {
                testLine($test, $line, $total, $success, $failed);
            }
        } else {
            testLine($test, $line, $total, $success, $failed);
        }
    }
}

if ($failed) {
    echo "\nFailed $failed tests.\n";
    echo "UTF-8 DECODER TEST FAILED\n";
    exit(-1);
}

echo "UTF-8 DECODER TEST SUCCESS!\n";
exit(0);


function testLine($test, $line, &$total, &$success, &$failed)
{
    $stripped = $line;
    UtfNormal::quickisNFCVerify($stripped);

    $same = ($line == $stripped);
    $len = mb_strlen(substr($stripped, 0, strpos($stripped, '|')));
    if ($len == 0) {
        $len = strlen(substr($stripped, 0, strpos($stripped, '|')));
    }

    global $columns;
    $ok = $same ^ ($test >= 3);

    global $exceptions;
    $ok ^= in_array($test, $exceptions);

    $ok &= ($columns == $len);

    $total++;
    if ($ok) {
        $success++;
    } else {
        $failed++;
    }
    global $verbose;
    if ($verbose || !$ok) {
        print str_replace("\n", "$len\n", $stripped);
    }
}