1'use strict'; 2 3// From: https://github.com/w3c/web-platform-tests/blob/fa9436d12c/encoding/textdecoder-streaming.html 4// This is the part that can be run without ICU 5 6require('../common'); 7 8const assert = require('assert'); 9 10const string = 11 '\x00123ABCabc\x80\xFF\u0100\u1000\uFFFD\uD800\uDC00\uDBFF\uDFFF'; 12const octets = { 13 'utf-8': [ 14 0x00, 0x31, 0x32, 0x33, 0x41, 0x42, 0x43, 0x61, 0x62, 0x63, 0xc2, 0x80, 15 0xc3, 0xbf, 0xc4, 0x80, 0xe1, 0x80, 0x80, 0xef, 0xbf, 0xbd, 0xf0, 0x90, 16 0x80, 0x80, 0xf4, 0x8f, 0xbf, 0xbf], 17 'utf-16le': [ 18 0x00, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x41, 0x00, 0x42, 0x00, 19 0x43, 0x00, 0x61, 0x00, 0x62, 0x00, 0x63, 0x00, 0x80, 0x00, 0xFF, 0x00, 20 0x00, 0x01, 0x00, 0x10, 0xFD, 0xFF, 0x00, 0xD8, 0x00, 0xDC, 0xFF, 0xDB, 21 0xFF, 0xDF] 22}; 23 24Object.keys(octets).forEach((encoding) => { 25 for (let len = 1; len <= 5; ++len) { 26 const encoded = octets[encoding]; 27 const decoder = new TextDecoder(encoding); 28 let out = ''; 29 for (let i = 0; i < encoded.length; i += len) { 30 const sub = []; 31 for (let j = i; j < encoded.length && j < i + len; ++j) 32 sub.push(encoded[j]); 33 out += decoder.decode(new Uint8Array(sub), { stream: true }); 34 } 35 out += decoder.decode(); 36 assert.strictEqual(out, string); 37 } 38}); 39