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-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames6.js11
1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames6.js b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames6.js
new file mode 100644
index 000000000..355f88a92
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames6.js
@@ -0,0 +1,11 @@
+load(libdir + "asserts.js");
+
+// Throw a TypeError if the trap skips a non-configurable property
+var target = {};
+Object.defineProperty(target, 'foo', {
+ configurable: false
+});
+
+var handler = { ownKeys: () => [] };
+for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy])
+ assertThrowsInstanceOf(() => Object.getOwnPropertyNames(p), TypeError);