summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty6.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/jit-test/tests/proxy/testDirectProxyValidateProperty6.js')
-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxyValidateProperty6.js28
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty6.js b/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty6.js
new file mode 100644
index 000000000..485044c6f
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty6.js
@@ -0,0 +1,28 @@
+load(libdir + "asserts.js");
+
+/*
+ * Throw a TypeError if both the current descriptor and the descriptor returned
+ * by the trap are accessor descriptors, the current descriptor is
+ * non-configurable, and the descriptor returned by the trap has a different
+ * setter.
+ */
+var target = {};
+Object.defineProperty(target, 'foo', {
+ set: function (value) {i
+ target.foo = 'bar';
+ },
+ configurable: false
+});
+var caught = false;
+assertThrowsInstanceOf(function () {
+ Object.getOwnPropertyDescriptor(new Proxy(target, {
+ getOwnPropertyDescriptor: function (target, name) {
+ return {
+ set: function (value) {
+ target.foo = 'baz';
+ },
+ configurable: false
+ };
+ }
+ }), 'foo');
+}, TypeError);