deno.land / std@0.166.0 / node / _tools / test / parallel / test-whatwg-encoding-custom-textdecoder-streaming.js

test-whatwg-encoding-custom-textdecoder-streaming.js
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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 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
// From: https://github.com/w3c/web-platform-tests/blob/fa9436d12c/encoding/textdecoder-streaming.html// This is the part that can be run without ICU
require('../common');
const assert = require('assert');
const string = '\x00123ABCabc\x80\xFF\u0100\u1000\uFFFD\uD800\uDC00\uDBFF\uDFFF';const octets = { 'utf-8': [ 0x00, 0x31, 0x32, 0x33, 0x41, 0x42, 0x43, 0x61, 0x62, 0x63, 0xc2, 0x80, 0xc3, 0xbf, 0xc4, 0x80, 0xe1, 0x80, 0x80, 0xef, 0xbf, 0xbd, 0xf0, 0x90, 0x80, 0x80, 0xf4, 0x8f, 0xbf, 0xbf], 'utf-16le': [ 0x00, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x41, 0x00, 0x42, 0x00, 0x43, 0x00, 0x61, 0x00, 0x62, 0x00, 0x63, 0x00, 0x80, 0x00, 0xFF, 0x00, 0x00, 0x01, 0x00, 0x10, 0xFD, 0xFF, 0x00, 0xD8, 0x00, 0xDC, 0xFF, 0xDB, 0xFF, 0xDF]};
Object.keys(octets).forEach((encoding) => { for (let len = 1; len <= 5; ++len) { const encoded = octets[encoding]; const decoder = new TextDecoder(encoding); let out = ''; for (let i = 0; i < encoded.length; i += len) { const sub = []; for (let j = i; j < encoded.length && j < i + len; ++j) sub.push(encoded[j]); out += decoder.decode(new Uint8Array(sub), { stream: true }); } out += decoder.decode(); assert.strictEqual(out, string); }});
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a year ago