diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/negative-end.js')
-rw-r--r-- | js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/negative-end.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/negative-end.js b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/negative-end.js new file mode 100644 index 0000000000..0fa6385871 --- /dev/null +++ b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/negative-end.js @@ -0,0 +1,33 @@ +// 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: > + Negative `end` index is relative to [[ArrayBufferByteLength]]. +info: | + ArrayBuffer.prototype.slice ( start, end ) + + ... + 8. If relativeEnd < 0, let final be max((len + relativeEnd),0); else let final be min(relativeEnd, len). + ... +---*/ + +var arrayBuffer = new ArrayBuffer(8); + +var start = 2, + end = -4; +var result = arrayBuffer.slice(start, end); +assert.sameValue(result.byteLength, 2, "slice(2, -4)"); + +var start = 2, + end = -10; +var result = arrayBuffer.slice(start, end); +assert.sameValue(result.byteLength, 0, "slice(2, -10)"); + +var start = 2, + end = -Infinity; +var result = arrayBuffer.slice(start, end); +assert.sameValue(result.byteLength, 0, "slice(2, -Infinity)"); + +reportCompare(0, 0); |