// Copyright (C) 2017 Igalia, S.L. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: Boolean littleEndian argument coerced in ToBoolean esid: sec-dataview.prototype.getbigint64 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 ) ... 5. Set isLittleEndian to ToBoolean(isLittleEndian). ... 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: [ArrayBuffer, BigInt, DataView, DataView.prototype.setUint8, Symbol] ---*/ var buffer = new ArrayBuffer(8); var sample = new DataView(buffer, 0); sample.setUint8(7, 0xff); assert.sameValue(sample.getBigInt64(0), 0xffn, "no argument"); assert.sameValue(sample.getBigInt64(0, false), 0xffn); assert.sameValue(sample.getBigInt64(0, true), -0x100000000000000n); assert.sameValue(sample.getBigInt64(0, 0), 0xffn, "ToBoolean: 0 => false"); assert.sameValue(sample.getBigInt64(0, -0), 0xffn, "ToBoolean: -0 => false"); assert.sameValue(sample.getBigInt64(0, 1), -0x100000000000000n, "ToBoolean: Number != 0 => true"); assert.sameValue(sample.getBigInt64(0, -1), -0x100000000000000n, "ToBoolean: Number != 0 => true"); assert.sameValue(sample.getBigInt64(0, 0.1), -0x100000000000000n, "ToBoolean: Number != 0 => true"); assert.sameValue(sample.getBigInt64(0, Infinity), -0x100000000000000n, "ToBoolean: Number != 0 => true"); assert.sameValue(sample.getBigInt64(0, NaN), 0xffn, "ToBoolean: NaN => false"); assert.sameValue(sample.getBigInt64(0, undefined), 0xffn, "ToBoolean: undefined => false"); assert.sameValue(sample.getBigInt64(0, null), 0xffn, "ToBoolean: null => false"); assert.sameValue(sample.getBigInt64(0, ""), 0xffn, "ToBoolean: String .length == 0 => false"); assert.sameValue(sample.getBigInt64(0, "string"), -0x100000000000000n, "ToBoolean: String .length > 0 => true"); assert.sameValue(sample.getBigInt64(0, "false"), -0x100000000000000n, "ToBoolean: String .length > 0 => true"); assert.sameValue(sample.getBigInt64(0, " "), -0x100000000000000n, "ToBoolean: String .length > 0 => true"); assert.sameValue(sample.getBigInt64(0, Symbol("1")), -0x100000000000000n, "ToBoolean: Symbol => true"); assert.sameValue(sample.getBigInt64(0, 0n), 0xffn, "ToBoolean: 0n => false"); assert.sameValue(sample.getBigInt64(0, 1n), -0x100000000000000n, "ToBoolean: BigInt != 0n => true"); assert.sameValue(sample.getBigInt64(0, []), -0x100000000000000n, "ToBoolean: any object => true"); assert.sameValue(sample.getBigInt64(0, {}), -0x100000000000000n, "ToBoolean: any object => true"); assert.sameValue(sample.getBigInt64(0, Object(false)), -0x100000000000000n, "ToBoolean: any object => true; no ToPrimitive"); reportCompare(0, 0);