Add m-esr52 at 52.6.0

1 files changed, 25 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions2.js b/js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions2.js
new file mode 100644
index 000000000..42591e22c
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions2.js
@@ -0,0 +1,25 @@
+/*
+ * Call the trap with the handler as the this value and the target as the first
+ * argument.
+ */
+var target = {};
+var handler = {
+    preventExtensions: function (target1) {
+        assertEq(this, handler);
+        assertEq(target1, target);
+        Object.preventExtensions(target1);
+        called = true;
+        return true;
+    }
+};
+
+var proxy = new Proxy(target, handler);
+var called = false;
+Object.preventExtensions(proxy);
+assertEq(called, true);
+
+target = {};
+proxy = Proxy.revocable(target, handler).proxy;
+called = false;
+Object.preventExtensions(proxy);
+assertEq(called, true);