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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/proxy/testDirectProxyValidateProperty1.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/proxy/testDirectProxyValidateProperty1.js')
-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxyValidateProperty1.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty1.js b/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty1.js
new file mode 100644
index 000000000..d2c9c18c9
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty1.js
@@ -0,0 +1,19 @@
+load(libdir + "asserts.js");
+
+/*
+ * Throw a TypeError if the current descriptor is non-configurable and the trap
+ * returns a configurable descriptor
+ */
+var target = {};
+Object.defineProperty(target, 'foo', {
+ configurable: false
+});
+assertThrowsInstanceOf(function () {
+ Object.getOwnPropertyDescriptor(Proxy(target, {
+ getOwnPropertyDescriptor: function (target, name) {
+ return {
+ configurable: true
+ };
+ }
+ }), 'foo');
+}, TypeError);