diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-returns-smaller-arraybuffer.js')
-rw-r--r-- | js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-returns-smaller-arraybuffer.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-returns-smaller-arraybuffer.js b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-returns-smaller-arraybuffer.js new file mode 100644 index 0000000000..16bf932716 --- /dev/null +++ b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/species-returns-smaller-arraybuffer.js @@ -0,0 +1,34 @@ +// 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: > + Throws a TypeError if new ArrayBuffer is too small. +info: | + ArrayBuffer.prototype.slice ( start, end ) + + ... + 13. Let ctor be SpeciesConstructor(O, %ArrayBuffer%). + 14. ReturnIfAbrupt(ctor). + 15. Let new be Construct(ctor, «newLen»). + 16. ReturnIfAbrupt(new). + ... + 20. If the value of new’s [[ArrayBufferByteLength]] internal slot < newLen, throw a TypeError exception. + ... +features: [Symbol.species] +---*/ + +var speciesConstructor = {}; +speciesConstructor[Symbol.species] = function(length) { + return new ArrayBuffer(4); +}; + +var arrayBuffer = new ArrayBuffer(8); +arrayBuffer.constructor = speciesConstructor; + +assert.throws(TypeError, function() { + arrayBuffer.slice(); +}); + +reportCompare(0, 0); |