1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyDefineProperty7.js b/js/src/jit-test/tests/proxy/testDirectProxyDefineProperty7.js
new file mode 100644
index 000000000..8c05147c5
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyDefineProperty7.js
@@ -0,0 +1,17 @@
+// Bug 1133085 - Test that descriptors are properly reconstituted
+// when only .get or only .set is present.
+
+load(libdir + "asserts.js");
+
+var input, output;
+var p = new Proxy({x: 0}, {
+    defineProperty(t, k, desc) { output = desc; print("ok"); return true; }
+});
+
+input = {get: function () {}};
+Object.defineProperty(p, "x", input);
+assertDeepEq(output, input);
+
+input = {set: function () {}};
+Object.defineProperty(p, "x", input);
+assertDeepEq(output, input);