1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/results-with-empty-length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/results-with-empty-length.js
new file mode 100644
index 0000000000..204effe618
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/results-with-empty-length.js
@@ -0,0 +1,59 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.subarray
+description: Subarray may return a new empty instance
+info: |
+  22.2.3.27 %TypedArray%.prototype.subarray( begin , end )
+
+  ...
+  17. Return ? TypedArraySpeciesCreate(O, argumentsList).
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA([40, 41, 42, 43]);
+
+  function testRes(result, msg) {
+    assert.sameValue(result.length, 0, msg);
+    assert.sameValue(
+      result.hasOwnProperty(0),
+      false,
+      msg + " & result.hasOwnProperty(0) === false"
+    );
+  }
+
+  testRes(sample.subarray(4), "begin == length");
+  testRes(sample.subarray(5), "begin > length");
+
+  testRes(sample.subarray(4, 4), "begin == length, end == length");
+  testRes(sample.subarray(5, 4), "begin > length, end == length");
+
+  testRes(sample.subarray(4, 4), "begin == length, end > length");
+  testRes(sample.subarray(5, 4), "begin > length, end > length");
+
+  testRes(sample.subarray(0, 0), "begin == 0, end == 0");
+  testRes(sample.subarray(-0, -0), "begin == -0, end == -0");
+  testRes(sample.subarray(1, 0), "begin > 0, end == 0");
+  testRes(sample.subarray(-1, 0), "being < 0, end == 0");
+
+  testRes(sample.subarray(2, 1), "begin > 0, begin < length, begin > end, end > 0");
+  testRes(sample.subarray(2, 2), "begin > 0, begin < length, begin == end");
+
+  testRes(sample.subarray(2, -2), "begin > 0, begin < length, end == -2");
+
+  testRes(sample.subarray(-1, -1), "length = 4, begin == -1, end == -1");
+  testRes(sample.subarray(-1, -2), "length = 4, begin == -1, end == -2");
+  testRes(sample.subarray(-2, -2), "length = 4, begin == -2, end == -2");
+
+  testRes(sample.subarray(0, -4), "begin == 0, end == -length");
+  testRes(sample.subarray(-4, -4), "begin == -length, end == -length");
+  testRes(sample.subarray(-5, -4), "begin < -length, end == -length");
+
+  testRes(sample.subarray(0, -5), "begin == 0, end < -length");
+  testRes(sample.subarray(-4, -5), "begin == -length, end < -length");
+  testRes(sample.subarray(-5, -5), "begin < -length, end < -length");
+});
+
+reportCompare(0, 0);