From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jit-test/tests/proxy/testDirectProxyKeys7.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 js/src/jit-test/tests/proxy/testDirectProxyKeys7.js

(limited to 'js/src/jit-test/tests/proxy/testDirectProxyKeys7.js')

diff --git a/js/src/jit-test/tests/proxy/testDirectProxyKeys7.js b/js/src/jit-test/tests/proxy/testDirectProxyKeys7.js
new file mode 100644
index 000000000..448691930
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyKeys7.js
@@ -0,0 +1,16 @@
+load(libdir + "asserts.js");
+
+/*
+ * Throw a TypeError if the trap skips an existing own enumerable property on a
+ * non-extensible object
+ */
+var target = {};
+Object.defineProperty(target, 'foo', {
+    enumerable: true,
+    configurable: true
+});
+Object.preventExtensions(target);
+
+var handler = { ownKeys: () => [] };
+for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy])
+    assertThrowsInstanceOf(() => Object.keys(p), TypeError);
-- 
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