1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/results-with-same-length.js b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/results-with-same-length.js
new file mode 100644
index 0000000000..a74e0c3be6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/subarray/BigInt/results-with-same-length.js
@@ -0,0 +1,39 @@
+// 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 instance with the same length
+info: |
+  22.2.3.27 %TypedArray%.prototype.subarray( begin , end )
+
+  ...
+  17. Return ? TypedArraySpeciesCreate(O, argumentsList).
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample = new TA([40n, 41n, 42n, 43n]);
+
+  function testRes(result, msg) {
+    assert.sameValue(result.length, 4, msg);
+    assert.sameValue(result[0], 40n, msg + " & result[0] === 40");
+    assert.sameValue(result[1], 41n, msg + " & result[1] === 41");
+    assert.sameValue(result[2], 42n, msg + " & result[2] === 42");
+    assert.sameValue(result[3], 43n, msg + " & result[3] === 43");
+  }
+
+  testRes(sample.subarray(0), "begin == 0");
+  testRes(sample.subarray(-4), "begin == -srcLength");
+  testRes(sample.subarray(-5), "begin < -srcLength");
+
+  testRes(sample.subarray(0, 4), "begin == 0, end == srcLength");
+  testRes(sample.subarray(-4, 4), "begin == -srcLength, end == srcLength");
+  testRes(sample.subarray(-5, 4), "begin < -srcLength, end == srcLength");
+
+  testRes(sample.subarray(0, 5), "begin == 0, end > srcLength");
+  testRes(sample.subarray(-4, 5), "begin == -srcLength, end > srcLength");
+  testRes(sample.subarray(-5, 5), "begin < -srcLength, end > srcLength");
+});
+
+reportCompare(0, 0);