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-rw-r--r--js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-is-undefined.js34
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-is-undefined.js b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-is-undefined.js
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+++ b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-is-undefined.js
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+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-arraybuffer.prototype.slice
+description: >
+ Uses default constructor is species constructor is undefined.
+info: |
+ ArrayBuffer.prototype.slice ( start, end )
+
+ ...
+ 13. Let ctor be SpeciesConstructor(O, %ArrayBuffer%).
+ 14. ReturnIfAbrupt(ctor).
+ ...
+
+ 7.3.20 SpeciesConstructor ( O, defaultConstructor )
+ ...
+ 6. Let S be Get(C, @@species).
+ 7. ReturnIfAbrupt(S).
+ 8. If S is either undefined or null, return defaultConstructor.
+ ...
+features: [Symbol.species]
+---*/
+
+var speciesConstructor = {};
+speciesConstructor[Symbol.species] = undefined;
+
+var arrayBuffer = new ArrayBuffer(8);
+arrayBuffer.constructor = speciesConstructor;
+
+var result = arrayBuffer.slice();
+assert.sameValue(Object.getPrototypeOf(result), ArrayBuffer.prototype);
+
+reportCompare(0, 0);