MBString tests: checked on PHP 5.2.6, 5.3 and 6.0 (Windows, Linux and Linux 64 bit).

ext/mbstring/tests/mb_stristr_basic.phpt

@@ -0,0 +1,72 @@
+--TEST--
+Test mb_stristr() function : basic functionality 
+--XFAIL--
+Bug #46763 stristr() wrong output when needle does not exist
+--SKIPIF--
+<?php
+extension_loaded('mbstring') or die('skip');
+function_exists('mb_stristr') or die("skip mb_stristr() is not available in this build");
+?>
+--FILE--
+<?php
+/* Prototype  : string mb_stristr(string haystack, string needle[, bool part[, string encoding]])
+ * Description: Finds first occurrence of a string within another, case insensitive 
+ * Source code: ext/mbstring/mbstring.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing mb_stristr() : basic functionality ***\n";
+
+mb_internal_encoding('UTF-8');
+
+$string_ascii = b'abcdef';
+$needle_ascii_upper = b"BCD";
+$needle_ascii_mixed = b"bCd";
+$needle_ascii_lower = b"bcd";
+
+//Greek string in lower case UTF-8
+$string_mb = base64_decode('zrHOss6zzrTOtc62zrfOuM65zrrOu868zr3Ovs6/z4DPgc+Dz4TPhc+Gz4fPiM+J');
+$needle_mb_upper = base64_decode('zpzOnc6ezp8=');
+$needle_mb_lower = base64_decode('zrzOvc6+zr8=');
+$needle_mb_mixed = base64_decode('zpzOnc6+zr8=');
+
+echo "\n-- ASCII string: needle exists --\n";
+var_dump(bin2hex(mb_stristr($string_ascii, $needle_ascii_upper, false, 'ISO-8859-1')));
+var_dump(bin2hex(mb_stristr($string_ascii, $needle_ascii_lower)));
+var_dump(bin2hex(mb_stristr($string_ascii, $needle_ascii_mixed, true)));
+
+
+echo "\n-- ASCII string: needle doesn't exist --\n";
+var_dump(mb_stristr($string_ascii, '123'));
+
+echo "\n-- Multibyte string: needle exists --\n";
+var_dump(bin2hex(mb_stristr($string_mb, $needle_mb_upper)));
+var_dump(bin2hex(mb_stristr($string_mb, $needle_mb_lower, false, 'utf-8')));
+var_dump(bin2hex(mb_stristr($string_mb, $needle_mb_mixed, true)));
+
+
+echo "\n-- Multibyte string: needle doesn't exist --\n";
+$needle2 = base64_decode("zrzOvs6/");
+var_dump(mb_stristr($string_mb, $needle2));
+
+?>
+===DONE===
+--EXPECT--
+*** Testing mb_stristr() : basic functionality ***
+
+-- ASCII string: needle exists --
+string(10) "6263646566"
+string(10) "6263646566"
+string(2) "61"
+
+-- ASCII string: needle doesn't exist --
+bool(false)
+
+-- Multibyte string: needle exists --
+string(52) "cebccebdcebecebfcf80cf81cf83cf84cf85cf86cf87cf88cf89"
+string(52) "cebccebdcebecebfcf80cf81cf83cf84cf85cf86cf87cf88cf89"
+string(44) "ceb1ceb2ceb3ceb4ceb5ceb6ceb7ceb8ceb9cebacebb"
+
+-- Multibyte string: needle doesn't exist --
+bool(false)
+===DONE===