Add tests for '7bit' and '8bit' text encodings in mbstring

Author: alexdowad

ext/mbstring/tests/other_encodings.phpt

@@ -0,0 +1,30 @@
+--TEST--
+Test of oddball text encodings which are not tested elsewhere
+--EXTENSIONS--
+mbstring
+--SKIPIF--
+<?php
+if (getenv("SKIP_SLOW_TESTS")) die("skip slow test");
+?>
+--FILE--
+<?php
+mb_substitute_character(0x25);
+
+// "7bit". This is not a real text encoding.
+var_dump(mb_convert_encoding("ABC", "7bit", "ASCII"));
+var_dump(mb_convert_encoding("\x80", "7bit", "ASCII"));
+var_dump(mb_convert_encoding("ABC", "8bit", "7bit"));
+echo "7bit done\n";
+
+// "8bit"
+var_dump(mb_convert_encoding("\x01\x00", "8bit", "UTF-16BE")); // codepoints over 0xFF are illegal for '8-bit'
+echo "8bit done\n";
+
+?>
+--EXPECT--
+string(3) "ABC"
+string(1) "%"
+string(3) "ABC"
+7bit done
+string(1) "%"
+8bit done