1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/splice/length-near-integer-limit-grow-array.js b/js/src/tests/test262/built-ins/Array/prototype/splice/length-near-integer-limit-grow-array.js
new file mode 100644
index 0000000000..1f731912e7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/splice/length-near-integer-limit-grow-array.js
@@ -0,0 +1,65 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.splice
+description: >
+  A value is inserted in an array-like object whose length property is near the integer limit.
+info: |
+  ...
+  16. Else if itemCount > actualDeleteCount, then
+    a. Let k be (len - actualDeleteCount).
+    b. Repeat, while k > actualStart
+        i. Let from be ! ToString(k + actualDeleteCount - 1).
+       ii. Let to be ! ToString(k + itemCount - 1).
+      iii. Let fromPresent be ? HasProperty(O, from).
+       iv. If fromPresent is true, then
+          1. Let fromValue be ? Get(O, from).
+          2. Perform ? Set(O, to, fromValue, true).
+        v. Else fromPresent is false,
+          1. Perform ? DeletePropertyOrThrow(O, to).
+       vi. Decrease k by 1.
+  ...
+includes: [compareArray.js]
+features: [exponentiation]
+---*/
+
+var arrayLike = {
+  "9007199254740985": "9007199254740985",
+  "9007199254740986": "9007199254740986",
+  "9007199254740987": "9007199254740987",
+  /* "9007199254740988": hole */
+  "9007199254740989": "9007199254740989",
+  /* "9007199254740990": empty */
+  "9007199254740991": "9007199254740991",
+  length: 2 ** 53 - 2,
+};
+
+var result = Array.prototype.splice.call(arrayLike, 9007199254740986, 0, "new-value");
+
+assert.compareArray(result, [], 'The value of result is expected to be []');
+
+assert.sameValue(arrayLike.length, 2 ** 53 - 1, 'The value of arrayLike.length is expected to be 2 ** 53 - 1');
+
+assert.sameValue(arrayLike["9007199254740985"], "9007199254740985",
+  'The value of arrayLike["9007199254740985"] is expected to be "9007199254740985"');
+
+assert.sameValue(arrayLike["9007199254740986"], "new-value",
+  'The value of arrayLike["9007199254740986"] is expected to be "new-value"');
+
+assert.sameValue(arrayLike["9007199254740987"], "9007199254740986",
+  'The value of arrayLike["9007199254740987"] is expected to be "9007199254740986"');
+
+assert.sameValue(arrayLike["9007199254740988"], "9007199254740987",
+  'The value of arrayLike["9007199254740988"] is expected to be "9007199254740987"');
+
+assert.sameValue("9007199254740989" in arrayLike, false,
+  'The result of evaluating ("9007199254740989" in arrayLike) is expected to be false');
+
+assert.sameValue(arrayLike["9007199254740990"], "9007199254740989",
+  'The value of arrayLike["9007199254740990"] is expected to be "9007199254740989"');
+
+assert.sameValue(arrayLike["9007199254740991"], "9007199254740991",
+  'The value of arrayLike["9007199254740991"] is expected to be "9007199254740991"');
+
+reportCompare(0, 0);