Strict mode Passingnon-Strict mode Passing
Features:
- DataView
- ArrayBuffer
- DataView.prototype.setUint8
- BigInt
// Copyright (C) 2017 Igalia, S.L. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-dataview.prototype.getbigint64 description: > Return values from Buffer using a custom offset info: | DataView.prototype.getBigInt64 ( byteOffset [ , littleEndian ] ) 1. Let v be the this value. 2. If littleEndian is not present, let littleEndian be undefined. 3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int64"). 24.3.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type ) ... 12. Let bufferIndex be getIndex + viewOffset. 13. Return GetValueFromBuffer(buffer, bufferIndex, type, false, "Unordered", isLittleEndian). 24.1.1.6 GetValueFromBuffer ( arrayBuffer, byteIndex, type, isTypedArray, order [ , isLittleEndian ] ) ... 9. Return RawBytesToNumber(type, rawValue, isLittleEndian). 24.1.1.5 RawBytesToNumber( type, rawBytes, isLittleEndian ) ... 2. If isLittleEndian is false, reverse the order of the elements of rawBytes. ... features: [DataView, ArrayBuffer, DataView.prototype.setUint8, BigInt] ---*/ var buffer = new ArrayBuffer(16); var sample = new DataView(buffer, 0); sample.setUint8(0, 0x27); sample.setUint8(1, 0x02); sample.setUint8(2, 0x06); sample.setUint8(3, 0x02); sample.setUint8(4, 0x80); sample.setUint8(5, 0x00); sample.setUint8(6, 0x80); sample.setUint8(7, 0x01); sample.setUint8(8, 0x7f); sample.setUint8(9, 0x00); sample.setUint8(10, 0x01); sample.setUint8(11, 0x02); sample.setUint8(12, 0x80); sample.setUint8(13, 0x7f); sample.setUint8(14, 0xff); sample.setUint8(15, 0x80); sample = new DataView(buffer, 4); assert.sameValue(sample.getBigInt64(0, false), -0x7fff7ffe80fffefen, "0, false"); assert.sameValue(sample.getBigInt64(1, false), 0x80017f00010280n, "1, false"); assert.sameValue(sample.getBigInt64(2, false), -0x7ffe80fffefd7f81n, "2, false"); assert.sameValue(sample.getBigInt64(3, false), 0x17f000102807fffn, "3, false"); assert.sameValue(sample.getBigInt64(4, false), 0x7f000102807fff80n, "4, false"); assert.sameValue(sample.getBigInt64(0, true), 0x201007f01800080n, "0, true"); assert.sameValue(sample.getBigInt64(1, true), -0x7ffdfeff80fe8000n, "1, true"); assert.sameValue(sample.getBigInt64(2, true), 0x7f800201007f0180n, "2, true"); assert.sameValue(sample.getBigInt64(3, true), -0x807ffdfeff80ffn, "3, true"); assert.sameValue(sample.getBigInt64(4, true), -0x7f00807ffdfeff81n, "4, true");