1 files changed, 35 insertions, 0 deletions
diff --git a/ext/mbstring/tests/mb_strstr_error2.phpt b/ext/mbstring/tests/mb_strstr_error2.phpt
new file mode 100644
index 0000000000..163c80026a
--- /dev/null
+++ b/ext/mbstring/tests/mb_strstr_error2.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Test mb_strstr() function : error conditions 
+--SKIPIF--
+<?php
+extension_loaded('mbstring') or die('skip');
+function_exists('mb_strstr') or die("skip mb_strstr() is not available in this build");
+?>
+--FILE--
+<?php
+/* Prototype  : string mb_strstr(string haystack, string needle[, bool part[, string encoding]])
+ * Description: Finds first occurrence of a string within another 
+ * Source code: ext/mbstring/mbstring.c
+ * Alias to functions: 
+ */
+
+echo "*** Testing mb_strstr() : error conditions ***\n";
+
+
+echo "\n-- Testing mb_strstr() with unknown encoding --\n";
+$haystack = b'Hello, world';
+$needle = b'world';
+$encoding = 'unknown-encoding';
+$part = true;
+var_dump( mb_strstr($haystack, $needle, $part, $encoding) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing mb_strstr() : error conditions ***
+
+-- Testing mb_strstr() with unknown encoding --
+
+Warning: mb_strstr(): Unknown encoding "unknown-encoding" in %s on line %d
+bool(false)
+===DONE===