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| 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 | + |
| 6 | +require('../common'); |
| 7 | + |
| 8 | +const assert = require('assert'); |
| 9 | + |
| 10 | +const string = |
| 11 | + '\x00123ABCabc\x80\xFF\u0100\u1000\uFFFD\uD800\uDC00\uDBFF\uDFFF'; |
| 12 | +const 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 | + |
| 24 | +Object.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 | +}); |
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