add more tests for bug #64166

ext/standard/tests/streams/bug64166_2.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Bug #64166: quoted-printable-encode stream filter incorrectly discarding whitespace - split reads
+--FILE--
+<?php
+
+function test_64166($data) {
+    $fd = fopen('php://temp', 'w+');
+    fwrite($fd, $data);
+    rewind($fd);
+
+    $res = stream_filter_append($fd, 'convert.quoted-printable-encode', STREAM_FILTER_READ, array(
+		'line-break-chars' => "\n",
+		'line-length' => 74
+    ));
+    $str = "";
+    while(($c = fread($fd, 1))!= "") $str .= $c; 
+    var_dump($str);
+
+    stream_filter_remove($res);
+
+    rewind($fd);
+    stream_filter_append($fd, 'convert.quoted-printable-encode', STREAM_FILTER_READ, array(
+		'line-break-chars' => "\n",
+		'line-length' => 6
+    ));
+    $str = "";
+    while(($c = fread($fd, 1))!= "") $str .= $c;
+    var_dump($str);
+
+    fclose($fd);
+}
+
+test_64166("FIRST \nSECOND");
+test_64166("FIRST  \nSECOND");
+
+?>
+--EXPECT--
+string(15) "FIRST=20
+SECOND"
+string(19) "FIRST=
+=20
+SECON=
+D"
+string(18) "FIRST=20=20
+SECOND"
+string(24) "FIRST=
+=20=
+=20
+SECON=
+D"

ext/standard/tests/streams/bug64166_3.phpt

@@ -0,0 +1,48 @@
+--TEST--
+Bug #64166: quoted-printable-encode stream filter incorrectly discarding whitespace - writes
+--FILE--
+<?php
+
+function test_64166($data) {
+    $fd = fopen('php://temp', 'w+');
+    $res = stream_filter_append($fd, 'convert.quoted-printable-encode', STREAM_FILTER_WRITE, array(
+		'line-break-chars' => "\n",
+		'line-length' => 74
+    ));
+    fwrite($fd, $data);
+    rewind($fd);
+
+    var_dump(stream_get_contents($fd, -1, 0));
+
+    stream_filter_remove($res);
+
+    rewind($fd);
+    stream_filter_append($fd, 'convert.quoted-printable-encode', STREAM_FILTER_WRITE, array(
+		'line-break-chars' => "\n",
+		'line-length' => 6
+    ));
+    fwrite($fd, $data);
+    rewind($fd);
+    var_dump(stream_get_contents($fd, -1, 0));
+
+    fclose($fd);
+}
+
+test_64166("FIRST \nSECOND");
+test_64166("FIRST  \nSECOND");
+
+?>
+--EXPECT--
+string(15) "FIRST=20
+SECOND"
+string(19) "FIRST=
+=20
+SECON=
+D"
+string(18) "FIRST=20=20
+SECOND"
+string(24) "FIRST=
+=20=
+=20
+SECON=
+D"