1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js b/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js
new file mode 100644
index 0000000000..a39faeb2f2
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Object-getOwnPropertyDescriptor-01.js
@@ -0,0 +1,59 @@
+// getOwnPropertyDescriptor works with simple data properties.
+
+var g = newGlobal({newCompartment: true});
+var dbg = Debugger(g);
+var hits;
+var expected;
+dbg.onDebuggerStatement = function (frame) {
+    var args = frame.arguments;
+    var obj = args[0], id = args[1];
+    var desc = obj.getOwnPropertyDescriptor(id);
+    if (expected === undefined) {
+        assertEq(desc, undefined);
+    } else {
+        assertEq(desc instanceof Object, true);
+        assertEq(desc.enumerable, expected.enumerable);
+        assertEq(desc.configurable, expected.configurable);
+        assertEq(desc.hasOwnProperty("value"), true);
+        assertEq(desc.value, expected.value);
+        assertEq(desc.writable, expected.writable === undefined ? true : expected.writable);
+        assertEq("get" in desc, false);
+        assertEq("set" in desc, false);
+    }
+    hits++;
+};
+
+g.eval("function f(obj, id) { debugger; }");
+
+function test(obj, id, desc) {
+    expected = desc;
+    hits = 0;
+    g.f(obj, id);
+    assertEq(hits, 1);
+}
+
+var obj = g.eval("({a: 1, ' ': undefined, '0': 0})");
+test(obj, "a", {value: 1, enumerable: true, configurable: true});
+test(obj, " ", {value: undefined, enumerable: true, configurable: true});
+test(obj, "b", undefined);
+test(obj, "0", {value: 0, enumerable: true, configurable: true});
+test(obj, 0, {value: 0, enumerable: true, configurable: true});
+
+var arr = g.eval("[7,,]");
+test(arr, 'length', {value: 2, enumerable: false, configurable: false});
+test(arr, 0, {value: 7, enumerable: true, configurable: true});
+test(arr, "0", {value: 7, enumerable: true, configurable: true});
+test(arr, 1, undefined);
+test(arr, "1", undefined);
+test(arr, 2, undefined);
+test(arr, "2", undefined);
+test(arr, "argelfraster", undefined);
+
+var re = g.eval("/erwe/");
+test(re, 'lastIndex', {value: 0, enumerable: false, configurable: false});
+
+// String objects have a well-behaved resolve hook.
+var str = g.eval("new String('hello world')");
+test(str, 'length', {value: 11, enumerable: false, configurable: false, writable: false});
+test(str, 0, {value: 'h', enumerable: true, configurable: false, writable: false});
+test(str, "0", {value: 'h', enumerable: true, configurable: false, writable: false});