1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/postfix-decrement/S11.3.2_A4_T4.js b/js/src/tests/test262/language/expressions/postfix-decrement/S11.3.2_A4_T4.js
new file mode 100644
index 0000000000..930c86be46
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/postfix-decrement/S11.3.2_A4_T4.js
@@ -0,0 +1,24 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Operator x-- returns ToNumber(x)
+es5id: 11.3.2_A4_T4
+description: If Type(x) is undefined or null
+---*/
+
+//CHECK#1
+var x; 
+var y = x--;
+if (isNaN(y) !== true) {
+  throw new Test262Error('#1: var x; var y = x--; y === Not-a-Number. Actual: ' + (y));
+}
+
+//CHECK#2
+var x = null;
+var y = x--;
+if (y !== 0) {
+  throw new Test262Error('#2: var x = null; var y = x--; y === 0. Actual: ' + (y));
+}
+
+reportCompare(0, 0);