diff options
Diffstat (limited to 'js/src/tests/test262/ch08/8.12/8.12.5/8.12.5-3-b_1.js')
-rw-r--r-- | js/src/tests/test262/ch08/8.12/8.12.5/8.12.5-3-b_1.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/ch08/8.12/8.12.5/8.12.5-3-b_1.js b/js/src/tests/test262/ch08/8.12/8.12.5/8.12.5-3-b_1.js new file mode 100644 index 000000000..0ed875ef4 --- /dev/null +++ b/js/src/tests/test262/ch08/8.12/8.12.5/8.12.5-3-b_1.js @@ -0,0 +1,40 @@ +/// Copyright (c) 2012 Ecma International. All rights reserved.
+/// Ecma International makes this code available under the terms and conditions set
+/// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
+/// "Use Terms"). Any redistribution of this code must retain the above
+/// copyright and this notice and otherwise comply with the Use Terms.
+/**
+ * @path ch08/8.12/8.12.5/8.12.5-3-b_1.js
+ * @description Changing the value of a data property should not affect it's non-value property descriptor attributes.
+ */
+
+
+function testcase() {
+ var origReduce = Array.prototype.reduce;
+ var origDesc = Object.getOwnPropertyDescriptor(Array.prototype, "reduce");
+ var newDesc;
+
+ try {
+ Array.prototype.reduce = function () {;};
+ newDesc = Object.getOwnPropertyDescriptor(Array.prototype, "reduce");
+ var descArray = [origDesc, newDesc];
+
+ for (var j in descArray) { //Ensure no attributes are magically added to newDesc
+ for (var i in descArray[j]) {
+ if (i==="value") {
+ if (origDesc[i]===newDesc[i]) {
+ return false;
+ }
+ }
+ else if (origDesc[i]!==newDesc[i]) {
+ return false;
+ }
+ }
+ }
+ return true;
+
+ } finally {
+ Array.prototype.reduce = origReduce;
+ }
+}
+runTestCase(testcase);
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