Add m-esr52 at 52.6.0

1 files changed, 35 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyDescriptor10.js b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyDescriptor10.js
new file mode 100644
index 000000000..79a46d59f
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyDescriptor10.js
@@ -0,0 +1,35 @@
+// Return a new descriptor object that agrees with that returned by the trap
+var target = {};
+Object.defineProperty(target, 'foo', {
+    value: 'bar',
+    writable: true,
+    enumerable: false,
+    configurable: true
+});
+
+var desc = {
+    value: 'baz',
+    writable: false,
+    enumerable: true,
+    configurable: true
+};
+var handler = { getOwnPropertyDescriptor: function () { return desc; } };
+for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) {
+    var desc1 = Object.getOwnPropertyDescriptor(p, 'foo');
+    assertEq(desc1 == desc, false);
+    assertEq(desc1.value, 'baz');
+    assertEq(desc1.writable, false);
+    assertEq(desc1.enumerable, true);
+    assertEq(desc1.configurable, true);
+}
+
+// The returned descriptor must agree in configurability.
+desc = { configurable : true };
+for (let p of [new Proxy(target, handler), Proxy.revocable(target, handler).proxy]) {
+    var desc1 = Object.getOwnPropertyDescriptor(p, 'foo');
+    assertEq(desc1 == desc, false);
+    assertEq(desc1.value, undefined);
+    assertEq(desc1.writable, false);
+    assertEq(desc1.enumerable, false);
+    assertEq(desc1.configurable, true);
+}