1 files changed, 91 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/property-descriptors.js b/js/src/tests/non262/Tuple/property-descriptors.js
new file mode 100644
index 0000000000..0e21ad8b97
--- /dev/null
+++ b/js/src/tests/non262/Tuple/property-descriptors.js
@@ -0,0 +1,91 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+
+var tup = Tuple(1, 2, 3);
+var tupO = Object(tup);
+
+var desc = Object.getOwnPropertyDescriptor(tupO, "0");
+assertEq(desc.value, 1);
+assertEq(desc.writable, false);
+assertEq(desc.enumerable, true);
+assertEq(desc.configurable, false);
+
+assertEq(Object.getOwnPropertyDescriptor(tupO, "3"), undefined);
+assertEq(Object.getOwnPropertyDescriptor(tupO, "w"), undefined);
+assertEq(Object.getOwnPropertyDescriptor(tupO, "length"), undefined);
+
+assertThrowsInstanceOf(
+  () => Object.defineProperty(tup, "0", { value: 1 }),
+  TypeError,
+  "#[1, 2, 3] is not a non-null object"
+);
+
+assertThrowsInstanceOf(
+  () => Object.defineProperty(tupO, "b", {}),
+  TypeError,
+  'can\'t define property "b": tuple is not extensible'
+);
+
+assertThrowsInstanceOf(
+  () => Object.defineProperty(tupO, "3", {}),
+  TypeError,
+  'can\'t define property "3": tuple is not extensible'
+);
+
+assertThrowsInstanceOf(
+  () => Object.defineProperty(tupO, Symbol(), {}),
+  TypeError,
+  'can\'t define property "Symbol()": tuple is not extensible'
+);
+
+assertThrowsInstanceOf(
+  () => Object.defineProperty(tupO, "0", { value: 2 }),
+  TypeError,
+  '"0" is read-only'
+);
+
+Object.defineProperty(tupO, "0", { value: 1 });
+
+assertThrowsInstanceOf(
+  () => Object.defineProperty(tupO, "0", { value: 1, writable: true }),
+  TypeError,
+  "Invalid tuple property descriptor"
+);
+
+assertThrowsInstanceOf(
+  () => Object.defineProperty(tupO, "0", { value: 1, enumerable: false }),
+  TypeError,
+  "Invalid tuple property descriptor"
+);
+
+assertThrowsInstanceOf(
+  () => Object.defineProperty(tupO, "0", { value: 1, configurable: true }),
+  TypeError,
+  "Invalid tuple property descriptor"
+);
+
+assertEq(Object.prototype.propertyIsEnumerable.call(tupO, "0"), true);
+assertEq(Object.prototype.propertyIsEnumerable.call(tupO, "0"), true);
+assertEq(Object.prototype.propertyIsEnumerable.call(tupO, "w"), false);
+assertEq(Object.prototype.propertyIsEnumerable.call(tupO, "w"), false);
+assertEq(Object.prototype.propertyIsEnumerable.call(tupO, "3"), false);
+assertEq(Object.prototype.propertyIsEnumerable.call(tupO, "3"), false);
+
+assertEq(Object.prototype.hasOwnProperty.call(tupO, "0"), true);
+assertEq(Object.prototype.hasOwnProperty.call(tupO, "0"), true);
+assertEq(Object.prototype.hasOwnProperty.call(tupO, "w"), false);
+assertEq(Object.prototype.hasOwnProperty.call(tupO, "w"), false);
+assertEq(Object.prototype.hasOwnProperty.call(tupO, "3"), false);
+assertEq(Object.prototype.hasOwnProperty.call(tupO, "3"), false);
+
+assertEq("0" in tupO, true);
+assertEq("w" in tupO, false);
+assertEq("3" in tupO, false);
+
+assertEq(delete tupO[0], false);
+assertEq(delete tupO[0], false);
+assertEq(delete tupO.w, true);
+assertEq(delete tupO.w, true);
+assertEq(delete tupO[3], true);
+assertEq(delete tupO[3], true);
+
+if (typeof reportCompare === "function") reportCompare(0, 0);