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Previously, when passed an empty string, and given an encoding which uses a variable number of bytes per character (and which doesn't have a 'character length table'), mb_str_split would return an array containing a single empty string, rather than an empty array. The ISO-2022 encodings are among those which were affected by this bug.
83 lines
2.1 KiB
PHP
83 lines
2.1 KiB
PHP
--TEST--
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mb_str_split() tests for the japanese language
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--EXTENSIONS--
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mbstring
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--INI--
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output_handler=
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--FILE--
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<?php
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ini_set('include_path','.');
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include_once('common.inc');
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$string = "日本"; /* 2 chars */
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$len = 2;
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$charset = [
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"BIG-5",
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"EUC-JP",
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"ISO-2022-JP",
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"SJIS",
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"UTF-16BE",
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"UTF-16LE",
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"UTF-32BE",
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"UTF-32LE",
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"UTF-8"
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];
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/* Try empty strings first */
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foreach ($charset as $cs) {
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if (count(mb_str_split("", 1, $cs)) !== 0)
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echo "Empty $cs string should convert to empty array!\n";
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if (count(mb_str_split("", 2, $cs)) !== 0)
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echo "Empty $cs string should convert to empty array!\n";
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}
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foreach ($charset as $cs) {
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$enc = mb_convert_encoding($string, $cs, "UTF-8");
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$split = mb_str_split($enc, 1, $cs);
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/* check chunks number */
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for($i = 1; $i <= $len; ++$i){
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$ceil = ceil($len / $i);
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$cnt = count(mb_str_split($enc,$i,$cs));
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if ($ceil != $cnt){
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echo "$cs WRONG CHUNKS NUMBER: expected/actual: $ceil/$cnt\n";
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}
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}
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/* check content */
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echo "$cs:";
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for($i = 0; $i < $len; ++$i){
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echo " " . unpack("H*", $split[$i])[1];
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}
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echo "\n";
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}
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/* long string test */
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$size = 50000;
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$long = str_repeat($string, $size); /* 50k x 2 chars = 1e5 chars */
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$enc = mb_convert_encoding($long, "ISO-2022-JP", "UTF-8");
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$array = mb_str_split($enc, $len, "ISO-2022-JP");
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$count = count($array);
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/* check array size */
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if($size !== $count) printf("Long string splitting error: actual array size: %d expected: %d\n", $count, $size);
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/* compare initial string and last array element after splitting */
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$enc = mb_convert_encoding($string, "ISO-2022-JP", "UTF-8");
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if(end($array) !== $enc){
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printf("Long string splitting error:
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last array element: %s expected: %s\n", unpack("H*", end($array))[1],unpack("H*", $enc)[1]);
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}
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?>
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--EXPECT--
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BIG-5: a4e9 a5bb
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EUC-JP: c6fc cbdc
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ISO-2022-JP: 1b2442467c1b2842 1b24424b5c1b2842
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SJIS: 93fa 967b
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UTF-16BE: 65e5 672c
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UTF-16LE: e565 2c67
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UTF-32BE: 000065e5 0000672c
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UTF-32LE: e5650000 2c670000
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UTF-8: e697a5 e69cac
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