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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 doubles are correctly written
require('../common');const assert = require('assert');
const buffer = Buffer.allocUnsafe(16);
buffer.writeDoubleBE(2.225073858507201e-308, 0);buffer.writeDoubleLE(2.225073858507201e-308, 8);assert.ok(buffer.equals(new Uint8Array([  0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f, 0x00,])));
buffer.writeDoubleBE(1.0000000000000004, 0);buffer.writeDoubleLE(1.0000000000000004, 8);assert.ok(buffer.equals(new Uint8Array([  0x3f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,  0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x3f,])));
buffer.writeDoubleBE(-2, 0);buffer.writeDoubleLE(-2, 8);assert.ok(buffer.equals(new Uint8Array([  0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0,])));
buffer.writeDoubleBE(1.7976931348623157e+308, 0);buffer.writeDoubleLE(1.7976931348623157e+308, 8);assert.ok(buffer.equals(new Uint8Array([  0x7f, 0xef, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xef, 0x7f,])));
buffer.writeDoubleBE(0 * -1, 0);buffer.writeDoubleLE(0 * -1, 8);assert.ok(buffer.equals(new Uint8Array([  0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,])));
buffer.writeDoubleBE(Infinity, 0);buffer.writeDoubleLE(Infinity, 8);
assert.ok(buffer.equals(new Uint8Array([  0x7F, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x7F,])));
assert.strictEqual(buffer.readDoubleBE(0), Infinity);assert.strictEqual(buffer.readDoubleLE(8), Infinity);
buffer.writeDoubleBE(-Infinity, 0);buffer.writeDoubleLE(-Infinity, 8);
assert.ok(buffer.equals(new Uint8Array([  0xFF, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xFF,])));
assert.strictEqual(buffer.readDoubleBE(0), -Infinity);assert.strictEqual(buffer.readDoubleLE(8), -Infinity);
buffer.writeDoubleBE(NaN, 0);buffer.writeDoubleLE(NaN, 8);
// JS only knows a single NaN but there exist two platform specific// implementations. Therefore, allow both quiet and signalling NaNs.if (buffer[1] === 0xF7) {  assert.ok(buffer.equals(new Uint8Array([    0x7F, 0xF7, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,    0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF7, 0x7F,  ])));} else {  assert.ok(buffer.equals(new Uint8Array([    0x7F, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0x7F,  ])));}
assert.ok(Number.isNaN(buffer.readDoubleBE(0)));assert.ok(Number.isNaN(buffer.readDoubleLE(8)));
// OOB in writeDouble{LE,BE} should throw.{  const small = Buffer.allocUnsafe(1);
  ['writeDoubleLE', 'writeDoubleBE'].forEach((fn) => {
    // Verify that default offset works fine.    buffer[fn](23, undefined);    buffer[fn](23);
    assert.throws(      () => small[fn](11.11, 0),      {        code: 'ERR_BUFFER_OUT_OF_BOUNDS',        name: 'RangeError',        message: 'Attempt to access memory outside buffer bounds'      });
    ['', '0', null, {}, [], () => {}, true, false].forEach((off) => {      assert.throws(        () => small[fn](23, off),        { code: 'ERR_INVALID_ARG_TYPE' });    });
    [Infinity, -1, 9].forEach((offset) => {      assert.throws(        () => buffer[fn](23, offset),        {          code: 'ERR_OUT_OF_RANGE',          name: 'RangeError',          message: 'The value of "offset" is out of range. ' +                     `It must be >= 0 and <= 8. Received ${offset}`        });    });
    [NaN, 1.01].forEach((offset) => {      assert.throws(        () => buffer[fn](42, offset),        {          code: 'ERR_OUT_OF_RANGE',          name: 'RangeError',          message: 'The value of "offset" is out of range. ' +                   `It must be an integer. Received ${offset}`        });    });  });}