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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/DataView/negative-bytelength-throws-sab.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/negative-bytelength-throws-sab.js b/js/src/tests/test262/built-ins/DataView/negative-bytelength-throws-sab.js new file mode 100644 index 0000000000..67494e3c73 --- /dev/null +++ b/js/src/tests/test262/built-ins/DataView/negative-bytelength-throws-sab.js @@ -0,0 +1,49 @@ +// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// Copyright (C) 2017 Mozilla Corporation. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-dataview-buffer-byteoffset-bytelength +description: > + Throws a RangeError if ToInteger(byteLength) < 0 +info: | + 24.2.2.1 DataView (buffer, byteOffset, byteLength ) + + ... + 8. If byteLength is either not present or undefined, then + a. Let viewByteLength be bufferByteLength - offset. + 9. Else, + a. Let viewByteLength be ? ToIndex(byteLength). + ... + + ToIndex ( value ) + + 1. If value is undefined, then + a. Let index be 0. + 2. Else, + a. Let integerIndex be ? ToInteger(value). + b. If integerIndex < 0, throw a RangeError exception. + ... +features: [SharedArrayBuffer] +---*/ + +var buffer = new SharedArrayBuffer(2); + +assert.throws(RangeError, function() { + new DataView(buffer, 0, -1); +}, "new DataView(buffer, 0, -1);"); + +assert.throws(RangeError, function() { + new DataView(buffer, 0, -Infinity); +}, "new DataView(buffer, 0, -Infinity);"); + +assert.throws(RangeError, function() { + new DataView(buffer, 1, -1); +}, "new DataView(buffer, 1, -1);"); + +assert.throws(RangeError, function() { + new DataView(buffer, 2, -Infinity); +}, "new DataView(buffer, 2, -Infinity);"); + +reportCompare(0, 0); |