1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/length-ownproperty.js b/js/src/tests/non262/Tuple/length-ownproperty.js
new file mode 100644
index 0000000000..d79aea4136
--- /dev/null
+++ b/js/src/tests/non262/Tuple/length-ownproperty.js
@@ -0,0 +1,21 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+/* Tuples should have a length ownProperty that can't be overridden
+ * This test is expected to fail until the spec change in
+ * https://github.com/tc39/proposal-record-tuple/issues/282 is implemented.
+ */
+
+/*
+var desc = Object.getOwnPropertyDescriptor(#[1,2,3], "length");
+assertEq(desc.value, 3);
+assertEq(desc.writable, false);
+assertEq(desc.enumerable, false);
+assertEq(desc.configurable, false);
+Object.defineProperty(Tuple.prototype, "length", {value: 0});
+desc = Object.getOwnPropertyDescriptor(#[1,2,3], "length");
+assertEq(desc.value, 3);
+assertEq(desc.writable, false);
+assertEq(desc.enumerable, false);
+assertEq(desc.configurable, false);
+*/
+
+reportCompare(0, 0);