1 files changed, 51 insertions, 0 deletions
diff --git a/ext/standard/tests/strings/strval_error.phpt b/ext/standard/tests/strings/strval_error.phpt
new file mode 100644
index 0000000..c31a2ab
--- /dev/null
+++ b/ext/standard/tests/strings/strval_error.phpt
@@ -0,0 +1,51 @@
+--TEST--
+Test strval() function : usage variations  - error conditions 
+--FILE--
+<?php
+/* Prototype  : string strval  ( mixed $var  )
+ * Description: Get the string value of a variable. 
+ * Source code: ext/standard/string.c
+ */
+
+echo "*** Testing strval() : error conditions ***\n";
+
+error_reporting(E_ALL ^ E_NOTICE);
+
+class MyClass
+{
+	// no toString() method defined 
+}
+
+$string  = "Hello";
+$extra_arg = 10;
+
+//Test strval with one more than the expected number of arguments
+echo "\n-- Testing strval() function with more than expected no. of arguments --\n";
+var_dump( strval($string, $extra_arg) );
+
+// Testing strval with one less than the expected number of arguments
+echo "\n-- Testing strval() function with less than expected no. of arguments --\n";
+var_dump( strval() );
+
+// Testing strval with a object which has no toString() method
+echo "\n-- Testing strval() function with object which has not toString() method  --\n";
+var_dump( strval(new MyClass()) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing strval() : error conditions ***
+
+-- Testing strval() function with more than expected no. of arguments --
+
+Warning: strval() expects exactly 1 parameter, 2 given in %s on line %d
+NULL
+
+-- Testing strval() function with less than expected no. of arguments --
+
+Warning: strval() expects exactly 1 parameter, 0 given in %s on line %d
+NULL
+
+-- Testing strval() function with object which has not toString() method  --
+
+Catchable fatal error: Object of class MyClass could not be converted to string in %s on line %d
+\ No newline at end of file