summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-3.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-3.js')
-rw-r--r--js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-3.js26
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-3.js b/js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-3.js
new file mode 100644
index 000000000..25f9bc7d0
--- /dev/null
+++ b/js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-4.a-3.js
@@ -0,0 +1,26 @@
+/// 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.
+/**
+ * This test is actually testing the [[Delete]] internal method (8.12.8). Since the
+ * language provides no way to directly exercise [[Delete]], the tests are placed here.
+ *
+ * @path ch11/11.4/11.4.1/11.4.1-4.a-3.js
+ * @description delete operator returns false when deleting a non-configurable data property
+ */
+
+
+function testcase() {
+ var o = {};
+ var desc = { value : 1, configurable: false }; // all other attributes default to false
+ Object.defineProperty(o, "foo", desc);
+
+ // Now, deleting o.foo should fail because [[Configurable]] on foo is false.
+ var d = delete o.foo;
+ if (d === false && o.hasOwnProperty("foo") === true) {
+ return true;
+ }
+ }
+runTestCase(testcase);