1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/freeze-proxy.js b/js/src/jit-test/tests/proxy/freeze-proxy.js
new file mode 100644
index 0000000000..ff82c50fd3
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/freeze-proxy.js
@@ -0,0 +1,22 @@
+var called = [];
+var proxy = new Proxy({a: 1, get b() {}}, {
+    getOwnPropertyDescriptor(target, P) {
+        called.push("getOwnPropertyDescriptor");
+        return Object.getOwnPropertyDescriptor(target, P);
+    },
+    defineProperty(target, P, desc) {
+        called.push("defineProperty");
+        if (P == "a") {
+            assertEq(Object.getOwnPropertyNames(desc).length, 2);
+            assertEq(desc.configurable, false);
+            assertEq(desc.writable, false);
+        } else {
+            assertEq(Object.getOwnPropertyNames(desc).length, 1);
+            assertEq(desc.configurable, false);
+        }
+        return Object.defineProperty(target, P, desc);
+    }
+});
+
+Object.freeze(proxy);
+assertEq(called.toString(), "getOwnPropertyDescriptor,defineProperty,getOwnPropertyDescriptor,defineProperty");