1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/prototype/valueOf/length.js b/js/src/tests/non262/Tuple/prototype/valueOf/length.js
new file mode 100644
index 0000000000..1865563514
--- /dev/null
+++ b/js/src/tests/non262/Tuple/prototype/valueOf/length.js
@@ -0,0 +1,15 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+
+var desc = Object.getOwnPropertyDescriptor(Tuple.valueOf, "length");
+assertEq(desc.value, 0);
+assertEq(desc.writable, false);
+assertEq(desc.enumerable, false);
+assertEq(desc.configurable, true);
+
+assertEq(isConstructor(Tuple.valueOf), false);
+
+assertThrowsInstanceOf(() => {
+  new Tuple.valueOf([]);
+}, TypeError, '`new Tuple.valueOf()` throws TypeError');
+
+reportCompare(0, 0);