Add m-esr52 at 52.6.0

1 files changed, 14 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/proxy/testDirectProxyGet4.js b/js/src/jit-test/tests/proxy/testDirectProxyGet4.js
new file mode 100644
index 000000000..4fc7b2f9a
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyGet4.js
@@ -0,0 +1,14 @@
+load(libdir + "asserts.js");
+
+/*
+ * Throw a TypeError if the trap does not report undefined for a non-configurable
+ * accessor property that does not have a getter
+ */
+var target = {};
+Object.defineProperty(target, 'foo', {
+    set: function (value) {},
+    configurable: false
+});
+var handler = { get: function (target, name, receiver) { return 'baz'; } };
+for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy])
+    assertThrowsInstanceOf(function () { p['foo'] }, TypeError);