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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/bufferbyteoffset-throws-from-modulo-element-size-sab.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/bufferbyteoffset-throws-from-modulo-element-size-sab.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/bufferbyteoffset-throws-from-modulo-element-size-sab.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/bufferbyteoffset-throws-from-modulo-element-size-sab.js new file mode 100644 index 0000000000..6cd11a7883 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/ctors/buffer-arg/bufferbyteoffset-throws-from-modulo-element-size-sab.js @@ -0,0 +1,41 @@ +// |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 modulo elementSize ≠ 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. + + + Let elementSize be the Number value of the Element Size value in Table 56 for constructorName.* + ... + If length is either not present or undefined, then + a. If bufferByteLength modulo elementSize ≠ 0, throw a RangeError exception. + ... + + * Int8Array, Uint8Array, Uint8ClampedArray all have element size 1, so will never fail. + +includes: [testTypedArray.js] +features: [SharedArrayBuffer, TypedArray] +---*/ + +var buffer = new SharedArrayBuffer(1); + +testWithTypedArrayConstructors(function(TA) { + assert.throws(RangeError, function() { + new TA(buffer); + }); + + assert.throws(RangeError, function() { + new TA(buffer, 0, undefined); + }); +}, floatArrayConstructors.concat([ Int32Array, Int16Array, Uint32Array, Uint16Array ])); + +reportCompare(0, 0); |