1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/from/source-object-length.js b/js/src/tests/non262/Tuple/from/source-object-length.js
new file mode 100644
index 0000000000..3d0c2a0aac
--- /dev/null
+++ b/js/src/tests/non262/Tuple/from/source-object-length.js
@@ -0,0 +1,15 @@
+// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
+var array = [2, 4, 0, 16];
+var expectedTuple = #[2, 4, undefined, 16];
+var obj = {
+  length: 4,
+  0: 2,
+  1: 4,
+  2: 0,
+  3: 16
+};
+delete obj[2];
+let t = Tuple.from(obj);
+assertEq(t, expectedTuple);
+
+reportCompare(0, 0);