1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/typedarray-subarray-of-subarray.js b/js/src/tests/non262/extensions/typedarray-subarray-of-subarray.js
new file mode 100644
index 0000000000..fcfb031cb5
--- /dev/null
+++ b/js/src/tests/non262/extensions/typedarray-subarray-of-subarray.js
@@ -0,0 +1,33 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 637643;
+var summary =
+  "new Int8Array([1, 2, 3]).subarray(1).subarray(1)[0] === 3";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var ta = new Int8Array([1, 2, 3]);
+assertEq(ta.length, 3);
+assertEq(ta[0], 1);
+assertEq(ta[1], 2);
+assertEq(ta[2], 3);
+
+var sa1 = ta.subarray(1);
+assertEq(sa1.length, 2);
+assertEq(sa1[0], 2);
+assertEq(sa1[1], 3);
+
+var sa2 = sa1.subarray(1);
+assertEq(sa2.length, 1);
+assertEq(sa2[0], 3);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("All tests passed!");