1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/from/length.js b/js/src/tests/non262/Tuple/from/length.js
new file mode 100644
index 0000000000..0c4c77af6f
--- /dev/null
+++ b/js/src/tests/non262/Tuple/from/length.js
@@ -0,0 +1,14 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+var desc = Object.getOwnPropertyDescriptor(Tuple.from, "length");
+assertEq(desc.value, 1);
+assertEq(desc.writable, false);
+assertEq(desc.enumerable, false);
+assertEq(desc.configurable, true);
+
+assertEq(isConstructor(Tuple.from), false);
+
+assertThrowsInstanceOf(() => {
+  new Tuple.from([]);
+}, TypeError, '`new Tuple.from()` throws TypeError');
+
+reportCompare(0, 0);