diff options
Diffstat (limited to 'test/built-ins/TypedArrays/ctors-bigint/buffer-arg/defined-offset.js')
-rw-r--r-- | test/built-ins/TypedArrays/ctors-bigint/buffer-arg/defined-offset.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/built-ins/TypedArrays/ctors-bigint/buffer-arg/defined-offset.js b/test/built-ins/TypedArrays/ctors-bigint/buffer-arg/defined-offset.js new file mode 100644 index 000000000..a8005eb0b --- /dev/null +++ b/test/built-ins/TypedArrays/ctors-bigint/buffer-arg/defined-offset.js @@ -0,0 +1,32 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-typedarray-buffer-byteoffset-length +description: > + Return new typedArray from defined offset +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. +includes: [testBigIntTypedArray.js] +features: [BigInt, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var bpe = TA.BYTES_PER_ELEMENT; + var buffer = new ArrayBuffer(bpe * 4); + + var ta1 = new TA(buffer, bpe * 2); + assert.sameValue(ta1.length, 2); + assert.sameValue(ta1.buffer, buffer); + assert.sameValue(ta1.constructor, TA); + assert.sameValue(Object.getPrototypeOf(ta1), TA.prototype); + + var ta2 = new TA(buffer, 0); + assert.sameValue(ta2.length, 4); + assert.sameValue(ta2.buffer, buffer); + assert.sameValue(ta2.constructor, TA); + assert.sameValue(Object.getPrototypeOf(ta2), TA.prototype); +}); |