1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/addition/S11.6.1_A2.4_T1.js b/js/src/tests/test262/language/expressions/addition/S11.6.1_A2.4_T1.js
new file mode 100644
index 0000000000..19c4bfc42e
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/addition/S11.6.1_A2.4_T1.js
@@ -0,0 +1,22 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: First expression is evaluated first, and then second expression
+es5id: 11.6.1_A2.4_T1
+description: Checking with "="
+---*/
+
+//CHECK#1
+var x = 0; 
+if ((x = 1) + x !== 2) {
+  throw new Test262Error('#1: var x = 0; (x = 1) + x === 2. Actual: ' + ((x = 1) + x));
+}
+
+//CHECK#2
+var x = 0; 
+if (x + (x = 1) !== 1) {
+  throw new Test262Error('#2: var x = 0; x + (x = 1) === 1. Actual: ' + (x + (x = 1)));
+}
+
+reportCompare(0, 0);