Add m-esr52 at 52.6.0

1 files changed, 27 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/proxy/testDirectProxyKeys1.js b/js/src/jit-test/tests/proxy/testDirectProxyKeys1.js
new file mode 100644
index 000000000..217685050
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyKeys1.js
@@ -0,0 +1,27 @@
+// Forward to the target if the trap is not defined
+var proto = Object.create(null, {
+    a: {
+        enumerable: true,
+        configurable: true
+    },
+    b: {
+        enumerable: false,
+        configurable: true
+    }
+});
+var target = Object.create(proto, {
+    c: {
+        enumerable: true,
+        configurable: true
+    },
+    d: {
+        enumerable: false,
+        configurable: true
+    }
+});
+
+for (let p of [new Proxy(target, {}), Proxy.revocable(target, {}).proxy]) {
+    var names = Object.keys(p);
+    assertEq(names.length, 1);
+    assertEq(names[0], 'c');
+}