| 'use strict'; |
| |
| // From: https://github.com/w3c/web-platform-tests/blob/master/encoding/api-basics.html |
| // This is the part that can be run without ICU |
| |
| require('../common'); |
| |
| const assert = require('assert'); |
| |
| function testDecodeSample(encoding, string, bytes) { |
| assert.strictEqual( |
| new TextDecoder(encoding).decode(new Uint8Array(bytes)), |
| string); |
| assert.strictEqual( |
| new TextDecoder(encoding).decode(new Uint8Array(bytes).buffer), |
| string); |
| } |
| |
| // `z` (ASCII U+007A), cent (Latin-1 U+00A2), CJK water (BMP U+6C34), |
| // G-Clef (non-BMP U+1D11E), PUA (BMP U+F8FF), PUA (non-BMP U+10FFFD) |
| // byte-swapped BOM (non-character U+FFFE) |
| const sample = 'z\xA2\u6C34\uD834\uDD1E\uF8FF\uDBFF\uDFFD\uFFFE'; |
| |
| { |
| const encoding = 'utf-8'; |
| const string = sample; |
| const bytes = [ |
| 0x7A, 0xC2, 0xA2, 0xE6, 0xB0, 0xB4, |
| 0xF0, 0x9D, 0x84, 0x9E, 0xEF, 0xA3, |
| 0xBF, 0xF4, 0x8F, 0xBF, 0xBD, 0xEF, |
| 0xBF, 0xBE |
| ]; |
| const encoded = new TextEncoder().encode(string); |
| assert.deepStrictEqual([].slice.call(encoded), bytes); |
| assert.strictEqual( |
| new TextDecoder(encoding).decode(new Uint8Array(bytes)), |
| string); |
| assert.strictEqual( |
| new TextDecoder(encoding).decode(new Uint8Array(bytes).buffer), |
| string); |
| } |
| |
| testDecodeSample( |
| 'utf-16le', |
| sample, |
| [ |
| 0x7A, 0x00, 0xA2, 0x00, 0x34, 0x6C, |
| 0x34, 0xD8, 0x1E, 0xDD, 0xFF, 0xF8, |
| 0xFF, 0xDB, 0xFD, 0xDF, 0xFE, 0xFF |
| ] |
| ); |
| |
| testDecodeSample( |
| 'utf-16', |
| sample, |
| [ |
| 0x7A, 0x00, 0xA2, 0x00, 0x34, 0x6C, |
| 0x34, 0xD8, 0x1E, 0xDD, 0xFF, 0xF8, |
| 0xFF, 0xDB, 0xFD, 0xDF, 0xFE, 0xFF |
| ] |
| ); |