diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/excessive-offset-throws-sab.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/excessive-offset-throws-sab.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/excessive-offset-throws-sab.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/excessive-offset-throws-sab.js new file mode 100644 index 0000000000..bba14855bf --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/excessive-offset-throws-sab.js @@ -0,0 +1,39 @@ +// |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-typedarray-buffer-byteoffset-length +description: > + Throws a RangeError if bufferByteLength - ToInteger(byteOffset) < 0 +info: | + 22.2.4.5 TypedArray ( buffer [ , byteOffset [ , length ] ] ) + + This description applies only if the TypedArray function is called with at + least one argument and the Type of the first argument is Object and that + object has an [[ArrayBufferData]] internal slot. + + ... + 13. If length is undefined, then + a. If bufferByteLength modulo elementSize ≠ 0, throw a RangeError exception. + b. Let newByteLength be bufferByteLength - offset. + c. If newByteLength < 0, throw a RangeError exception. + ... +includes: [testTypedArray.js] +features: [SharedArrayBuffer, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var bpe = TA.BYTES_PER_ELEMENT; + var buffer = new SharedArrayBuffer(bpe); + + assert.throws(RangeError, function() { + new TA(buffer, bpe * 2); + }); + + assert.throws(RangeError, function() { + new TA(buffer, bpe * 2, undefined); + }); +}); + +reportCompare(0, 0); |