1 files changed, 59 insertions, 0 deletions
diff --git a/ext/standard/tests/strings/str_shuffle_basic.phpt b/ext/standard/tests/strings/str_shuffle_basic.phpt
new file mode 100644
index 0000000..b60a35f
--- /dev/null
+++ b/ext/standard/tests/strings/str_shuffle_basic.phpt
@@ -0,0 +1,59 @@
+--TEST--
+Test str_shuffle() function : basic functionality 
+--FILE--
+<?php
+/* Prototype  : string str_shuffle  ( string $str  )
+ * Description: Randomly shuffles a string
+ * Source code: ext/standard/string.c
+*/
+
+/*
+ * Testing str_shuffle() : basic functionality
+*/
+
+echo "*** Testing str_shuffle() : basic functionality ***\n";
+
+// Initialize all required variables
+$str = 'This testcase tests the str_shuffle() function.';
+var_dump(str_shuffle($str));
+
+
+// For a given i/p string ensure that all combinations are
+// generated given a reasonable sample of calls 
+$a = array();
+$trys = 1000;
+$ip = 'abcd';
+$len_ip = strlen($ip);
+
+for ($i = 0; $i < $trys; $i++) {
+    $op = str_shuffle($ip);
+    
+    if (!is_string($op) || strlen($op) != $len_ip) {
+    	echo "TEST FAILED\n"; 
+    }	 
+    
+    // Combination already hit ?
+    if (empty($a[$op])) {
+    	// No first time init 
+     	$a[$op] = 0;
+    }
+     	
+    // Increment count for this combination
+    $a[$op]++;
+}
+
+$combinations = count($a);
+
+if ($combinations != 24) {
+	echo "TEST FAILED.. Only $combinations out of a possible 24 combinations used\n";
+} else {
+	echo "TEST PASSED\n";
+}
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing str_shuffle() : basic functionality ***
+string(47) "%s"
+TEST PASSED
+===DONE===
+\ No newline at end of file