Add another test for chunked encoding

Author: Sjoerd Langkemper

ext/standard/tests/filters/chunked_002.phpt

@@ -0,0 +1,91 @@
+--TEST--
+Chunked encoding
+--SKIPIF--
+<?php
+$filters = stream_get_filters();
+if(! in_array( "dechunk", $filters )) die( "skip Chunked filter not available." );
+?>
+--INI--
+allow_url_fopen=1
+--FILE--
+<?php
+
+final class Splitter extends php_user_filter {
+    public static int $chunkSize;
+    function filter($in, $out, &$consumed, $closing): int {
+        while ($bucket = stream_bucket_make_writeable($in)) {
+            $head = substr($bucket->data, 0, self::$chunkSize);
+            $head_bucket = stream_bucket_new($this->stream, $head);
+            stream_bucket_append($out, $head_bucket);
+
+            $tail = substr($bucket->data, self::$chunkSize);
+            $tail_bucket = stream_bucket_new($this->stream, $tail);
+            stream_bucket_append($out, $tail_bucket);
+
+            $consumed += strlen($bucket->data);
+            return PSFS_PASS_ON;
+        }
+        return PSFS_FEED_ME;
+    }
+}
+stream_filter_register("Splitter", "Splitter");
+
+$testdata = "2;key=value\r\nte\r\n2\r\nst\r\n0\r\nTrailer: section\r\n\r\n";
+for ($i = 1; $i < strlen($testdata); $i++) {
+    Splitter::$chunkSize = $i;
+
+    $fp = fopen("data:text/plain,$testdata", "r");
+    stream_filter_append($fp, "Splitter", STREAM_FILTER_READ);
+    stream_filter_append($fp, "dechunk", STREAM_FILTER_READ);
+
+    var_dump(stream_get_contents($fp));
+    fclose($fp);
+}
+?>
+--EXPECT--
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"
+string(4) "test"