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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 16.13.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
// Tests to verify signed integers are correctly written
require('../common');const assert = require('assert');const errorOutOfBounds = { code: 'ERR_OUT_OF_RANGE', name: 'RangeError', message: new RegExp('^The value of "value" is out of range\\. ' + 'It must be >= -\\d+ and <= \\d+\\. Received .+$')};
// Test 8 bit{ const buffer = Buffer.alloc(2);
buffer.writeInt8(0x23, 0); buffer.writeInt8(-5, 1); assert.ok(buffer.equals(new Uint8Array([ 0x23, 0xfb ])));
/* Make sure we handle min/max correctly */ buffer.writeInt8(0x7f, 0); buffer.writeInt8(-0x80, 1); assert.ok(buffer.equals(new Uint8Array([ 0x7f, 0x80 ])));
assert.throws(() => { buffer.writeInt8(0x7f + 1, 0); }, errorOutOfBounds); assert.throws(() => { buffer.writeInt8(-0x80 - 1, 0); }, errorOutOfBounds);
// Verify that default offset works fine. buffer.writeInt8(23, undefined); buffer.writeInt8(23);
['', '0', null, {}, [], () => {}, true, false].forEach((off) => { assert.throws( () => buffer.writeInt8(23, off), { code: 'ERR_INVALID_ARG_TYPE' }); });
[NaN, Infinity, -1, 1.01].forEach((off) => { assert.throws( () => buffer.writeInt8(23, off), { code: 'ERR_OUT_OF_RANGE' }); });}
// Test 16 bit{ const buffer = Buffer.alloc(4);
buffer.writeInt16BE(0x0023, 0); buffer.writeInt16LE(0x0023, 2); assert.ok(buffer.equals(new Uint8Array([ 0x00, 0x23, 0x23, 0x00 ])));
buffer.writeInt16BE(-5, 0); buffer.writeInt16LE(-5, 2); assert.ok(buffer.equals(new Uint8Array([ 0xff, 0xfb, 0xfb, 0xff ])));
buffer.writeInt16BE(-1679, 0); buffer.writeInt16LE(-1679, 2); assert.ok(buffer.equals(new Uint8Array([ 0xf9, 0x71, 0x71, 0xf9 ])));
/* Make sure we handle min/max correctly */ buffer.writeInt16BE(0x7fff, 0); buffer.writeInt16BE(-0x8000, 2); assert.ok(buffer.equals(new Uint8Array([ 0x7f, 0xff, 0x80, 0x00 ])));
buffer.writeInt16LE(0x7fff, 0); buffer.writeInt16LE(-0x8000, 2); assert.ok(buffer.equals(new Uint8Array([ 0xff, 0x7f, 0x00, 0x80 ])));
['writeInt16BE', 'writeInt16LE'].forEach((fn) => {
// Verify that default offset works fine. buffer[fn](23, undefined); buffer[fn](23);
assert.throws(() => { buffer[fn](0x7fff + 1, 0); }, errorOutOfBounds); assert.throws(() => { buffer[fn](-0x8000 - 1, 0); }, errorOutOfBounds);
['', '0', null, {}, [], () => {}, true, false].forEach((off) => { assert.throws( () => buffer[fn](23, off), { code: 'ERR_INVALID_ARG_TYPE' }); });
[NaN, Infinity, -1, 1.01].forEach((off) => { assert.throws( () => buffer[fn](23, off), { code: 'ERR_OUT_OF_RANGE' }); }); });}
// Test 32 bit{ const buffer = Buffer.alloc(8);
buffer.writeInt32BE(0x23, 0); buffer.writeInt32LE(0x23, 4); assert.ok(buffer.equals(new Uint8Array([ 0x00, 0x00, 0x00, 0x23, 0x23, 0x00, 0x00, 0x00, ])));
buffer.writeInt32BE(-5, 0); buffer.writeInt32LE(-5, 4); assert.ok(buffer.equals(new Uint8Array([ 0xff, 0xff, 0xff, 0xfb, 0xfb, 0xff, 0xff, 0xff, ])));
buffer.writeInt32BE(-805306713, 0); buffer.writeInt32LE(-805306713, 4); assert.ok(buffer.equals(new Uint8Array([ 0xcf, 0xff, 0xfe, 0xa7, 0xa7, 0xfe, 0xff, 0xcf, ])));
/* Make sure we handle min/max correctly */ buffer.writeInt32BE(0x7fffffff, 0); buffer.writeInt32BE(-0x80000000, 4); assert.ok(buffer.equals(new Uint8Array([ 0x7f, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, ])));
buffer.writeInt32LE(0x7fffffff, 0); buffer.writeInt32LE(-0x80000000, 4); assert.ok(buffer.equals(new Uint8Array([ 0xff, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x80, ])));
['writeInt32BE', 'writeInt32LE'].forEach((fn) => {
// Verify that default offset works fine. buffer[fn](23, undefined); buffer[fn](23);
assert.throws(() => { buffer[fn](0x7fffffff + 1, 0); }, errorOutOfBounds); assert.throws(() => { buffer[fn](-0x80000000 - 1, 0); }, errorOutOfBounds);
['', '0', null, {}, [], () => {}, true, false].forEach((off) => { assert.throws( () => buffer[fn](23, off), { code: 'ERR_INVALID_ARG_TYPE' }); });
[NaN, Infinity, -1, 1.01].forEach((off) => { assert.throws( () => buffer[fn](23, off), { code: 'ERR_OUT_OF_RANGE' }); }); });}
// Test 48 bit{ const value = 0x1234567890ab; const buffer = Buffer.allocUnsafe(6); buffer.writeIntBE(value, 0, 6); assert.ok(buffer.equals(new Uint8Array([ 0x12, 0x34, 0x56, 0x78, 0x90, 0xab, ])));
buffer.writeIntLE(value, 0, 6); assert.ok(buffer.equals(new Uint8Array([ 0xab, 0x90, 0x78, 0x56, 0x34, 0x12, ])));}
// Test Int{ const data = Buffer.alloc(8);
// Check byteLength. ['writeIntBE', 'writeIntLE'].forEach((fn) => { ['', '0', null, {}, [], () => {}, true, false, undefined].forEach((bl) => { assert.throws( () => data[fn](23, 0, bl), { code: 'ERR_INVALID_ARG_TYPE' }); });
[Infinity, -1].forEach((byteLength) => { assert.throws( () => data[fn](23, 0, byteLength), { code: 'ERR_OUT_OF_RANGE', message: 'The value of "byteLength" is out of range. ' + `It must be >= 1 and <= 6. Received ${byteLength}` } ); });
[NaN, 1.01].forEach((byteLength) => { assert.throws( () => data[fn](42, 0, byteLength), { code: 'ERR_OUT_OF_RANGE', name: 'RangeError', message: 'The value of "byteLength" is out of range. ' + `It must be an integer. Received ${byteLength}` }); }); });
// Test 1 to 6 bytes. for (let i = 1; i <= 6; i++) { ['writeIntBE', 'writeIntLE'].forEach((fn) => { const min = -(2 ** (i * 8 - 1)); const max = 2 ** (i * 8 - 1) - 1; let range = `>= ${min} and <= ${max}`; if (i > 4) { range = `>= -(2 ** ${i * 8 - 1}) and < 2 ** ${i * 8 - 1}`; } [min - 1, max + 1].forEach((val) => { const received = i > 4 ? String(val).replace(/(\d)(?=(\d\d\d)+(?!\d))/g, '$1_') : val; assert.throws(() => { data[fn](val, 0, i); }, { code: 'ERR_OUT_OF_RANGE', name: 'RangeError', message: 'The value of "value" is out of range. ' + `It must be ${range}. Received ${received}` }); });
['', '0', null, {}, [], () => {}, true, false, undefined].forEach((o) => { assert.throws( () => data[fn](min, o, i), { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError' }); });
[Infinity, -1, -4294967295].forEach((offset) => { assert.throws( () => data[fn](min, offset, i), { code: 'ERR_OUT_OF_RANGE', name: 'RangeError', message: 'The value of "offset" is out of range. ' + `It must be >= 0 and <= ${8 - i}. Received ${offset}` }); });
[NaN, 1.01].forEach((offset) => { assert.throws( () => data[fn](max, offset, i), { code: 'ERR_OUT_OF_RANGE', name: 'RangeError', message: 'The value of "offset" is out of range. ' + `It must be an integer. Received ${offset}` }); }); }); }}