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6915a9b7a7
This PR adds the remaining ~650 Node.js compat test cases from std/node. Among these 650 cases, about 130 cases are now failing. These failing cases are prefixed with `TODO:` in `tests/node_compat/config.json`. These will be addressed in later PRs.
162 lines
4.6 KiB
JavaScript
162 lines
4.6 KiB
JavaScript
// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 16.13.0
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// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
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'use strict';
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require('../common');
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const assert = require('assert');
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const LENGTH = 16;
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const ab = new ArrayBuffer(LENGTH);
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const dv = new DataView(ab);
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const ui = new Uint8Array(ab);
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const buf = Buffer.from(ab);
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assert.ok(buf instanceof Buffer);
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assert.strictEqual(buf.parent, buf.buffer);
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assert.strictEqual(buf.buffer, ab);
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assert.strictEqual(buf.length, ab.byteLength);
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buf.fill(0xC);
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for (let i = 0; i < LENGTH; i++) {
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assert.strictEqual(ui[i], 0xC);
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ui[i] = 0xF;
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assert.strictEqual(buf[i], 0xF);
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}
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buf.writeUInt32LE(0xF00, 0);
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buf.writeUInt32BE(0xB47, 4);
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buf.writeDoubleLE(3.1415, 8);
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assert.strictEqual(dv.getUint32(0, true), 0xF00);
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assert.strictEqual(dv.getUint32(4), 0xB47);
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assert.strictEqual(dv.getFloat64(8, true), 3.1415);
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// Now test protecting users from doing stupid things
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// TODO(Soremwar)
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// There is an inconsistency on feross implementation on how buffers are checked
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// Enable once it's sorted out
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// assert.throws(function() {
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// function AB() { }
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// Object.setPrototypeOf(AB, ArrayBuffer);
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// Object.setPrototypeOf(AB.prototype, ArrayBuffer.prototype);
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// Buffer.from(new AB());
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// }, {
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// code: 'ERR_INVALID_ARG_TYPE',
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// name: 'TypeError',
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// message: 'The first argument must be of type string or an instance of ' +
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// 'Buffer, ArrayBuffer, or Array or an Array-like Object. Received ' +
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// 'an instance of AB'
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// });
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// Test the byteOffset and length arguments
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{
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const ab = new Uint8Array(5);
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ab[0] = 1;
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ab[1] = 2;
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ab[2] = 3;
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ab[3] = 4;
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ab[4] = 5;
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const buf = Buffer.from(ab.buffer, 1, 3);
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assert.strictEqual(buf.length, 3);
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assert.strictEqual(buf[0], 2);
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assert.strictEqual(buf[1], 3);
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assert.strictEqual(buf[2], 4);
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buf[0] = 9;
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assert.strictEqual(ab[1], 9);
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assert.throws(() => Buffer.from(ab.buffer, 6), {
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code: 'ERR_BUFFER_OUT_OF_BOUNDS',
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name: 'RangeError',
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message: '"offset" is outside of buffer bounds'
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});
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assert.throws(() => Buffer.from(ab.buffer, 3, 6), {
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code: 'ERR_BUFFER_OUT_OF_BOUNDS',
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name: 'RangeError',
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message: '"length" is outside of buffer bounds'
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});
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}
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// Test the deprecated Buffer() version also
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{
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const ab = new Uint8Array(5);
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ab[0] = 1;
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ab[1] = 2;
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ab[2] = 3;
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ab[3] = 4;
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ab[4] = 5;
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const buf = Buffer(ab.buffer, 1, 3);
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assert.strictEqual(buf.length, 3);
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assert.strictEqual(buf[0], 2);
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assert.strictEqual(buf[1], 3);
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assert.strictEqual(buf[2], 4);
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buf[0] = 9;
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assert.strictEqual(ab[1], 9);
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assert.throws(() => Buffer(ab.buffer, 6), {
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code: 'ERR_BUFFER_OUT_OF_BOUNDS',
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name: 'RangeError',
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message: '"offset" is outside of buffer bounds'
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});
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assert.throws(() => Buffer(ab.buffer, 3, 6), {
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code: 'ERR_BUFFER_OUT_OF_BOUNDS',
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name: 'RangeError',
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message: '"length" is outside of buffer bounds'
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});
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}
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{
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// If byteOffset is not numeric, it defaults to 0.
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const ab = new ArrayBuffer(10);
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const expected = Buffer.from(ab, 0);
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assert.deepStrictEqual(Buffer.from(ab, 'fhqwhgads'), expected);
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assert.deepStrictEqual(Buffer.from(ab, NaN), expected);
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assert.deepStrictEqual(Buffer.from(ab, {}), expected);
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assert.deepStrictEqual(Buffer.from(ab, []), expected);
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// If byteOffset can be converted to a number, it will be.
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assert.deepStrictEqual(Buffer.from(ab, [1]), Buffer.from(ab, 1));
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// If byteOffset is Infinity, throw.
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assert.throws(() => {
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Buffer.from(ab, Infinity);
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}, {
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code: 'ERR_BUFFER_OUT_OF_BOUNDS',
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name: 'RangeError',
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message: '"offset" is outside of buffer bounds'
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});
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}
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{
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// If length is not numeric, it defaults to 0.
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const ab = new ArrayBuffer(10);
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const expected = Buffer.from(ab, 0, 0);
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assert.deepStrictEqual(Buffer.from(ab, 0, 'fhqwhgads'), expected);
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assert.deepStrictEqual(Buffer.from(ab, 0, NaN), expected);
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assert.deepStrictEqual(Buffer.from(ab, 0, {}), expected);
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assert.deepStrictEqual(Buffer.from(ab, 0, []), expected);
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// If length can be converted to a number, it will be.
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assert.deepStrictEqual(Buffer.from(ab, 0, [1]), Buffer.from(ab, 0, 1));
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// If length is Infinity, throw.
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assert.throws(() => {
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Buffer.from(ab, 0, Infinity);
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}, {
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code: 'ERR_BUFFER_OUT_OF_BOUNDS',
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name: 'RangeError',
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message: '"length" is outside of buffer bounds'
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});
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}
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// Test an array like entry with the length set to NaN.
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assert.deepStrictEqual(Buffer.from({ length: NaN }), Buffer.alloc(0));
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