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--TEST--
Test incremental deflate_add() functionality
--EXTENSIONS--
zlib
--FILE--
<?php
function deflateStream($mode, $flushSize, $flushType) {
$buffer = "";
$deflated = null;
$resource = deflate_init($mode);
while (true) {
$dataToCompress = yield $deflated;
if (isset($dataToCompress)) {
$buffer .= $dataToCompress;
if (strlen($buffer) >= $flushSize) {
$deflated = deflate_add($resource, $buffer, $flushType);
$buffer = "";
} else {
$deflated = null;
}
} else {
$deflated = deflate_add($resource, $buffer, ZLIB_FINISH);
}
}
}
$modes = [
'ZLIB_ENCODING_RAW' => ZLIB_ENCODING_RAW,
'ZLIB_ENCODING_GZIP' => ZLIB_ENCODING_GZIP,
'ZLIB_ENCODING_DEFLATE' => ZLIB_ENCODING_DEFLATE,
];
$flushSizes = [1, 4, 32768];
$flushTypes = [
'ZLIB_SYNC_FLUSH' => ZLIB_SYNC_FLUSH,
'ZLIB_PARTIAL_FLUSH' => ZLIB_PARTIAL_FLUSH,
'ZLIB_FULL_FLUSH' => ZLIB_FULL_FLUSH,
'ZLIB_NO_FLUSH' => ZLIB_NO_FLUSH,
];
/* Z_BLOCK is only available for deflate when built against zlib >= 1.2.4 */
if (ZLIB_VERNUM >= 0x1240) {
$flushTypes['ZLIB_BLOCK'] = ZLIB_BLOCK;
}
foreach ($modes as $modeKey => $mode) {
foreach ($flushSizes as $flushSize) {
foreach ($flushTypes as $flushTypeKey => $flushType) {
$uncompressed = $compressed = "";
$stream = deflateStream($mode, $flushSize, $flushType);
foreach (range("a", "z") as $c) {
$uncompressed .= $c;
$compressed .= $stream->send($c);
}
$compressed .= $stream->send(null);
if ($uncompressed !== zlib_decode($compressed)) {
echo "Error: {$modeKey} | {$flushSize} | {$flushTypeKey}\n";
}
}
}
}
?>
===DONE===
--EXPECT--
===DONE===
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