Add m-esr52 at 52.6.0

1 files changed, 13 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyDescriptor8.js b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyDescriptor8.js
new file mode 100644
index 000000000..6178d8a03
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyDescriptor8.js
@@ -0,0 +1,13 @@
+load(libdir + "asserts.js");
+
+var target = {};
+var handler = {
+    getOwnPropertyDescriptor: function () { return { value: 2, configurable: true}; }
+};
+
+for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy])
+    Object.getOwnPropertyDescriptor(p, 'foo');
+
+Object.preventExtensions(target);
+for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy])
+    assertThrowsInstanceOf(() => Object.getOwnPropertyDescriptor(p, 'foo'), TypeError);