deno.land / std@0.166.0 / node / _tools / test / parallel / test-whatwg-encoding-custom-textdecoder-utf16-surrogates.js

test-whatwg-encoding-custom-textdecoder-utf16-surrogates.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/39a67e2fff/encoding/textdecoder-utf16-surrogates.html// With the twist that we specifically test for Node.js error codes
const common = require('../common');
if (!common.hasIntl) common.skip('missing Intl');
const assert = require('assert');
const bad = [ { encoding: 'utf-16le', input: [0x00, 0xd8], expected: '\uFFFD', name: 'lone surrogate lead' }, { encoding: 'utf-16le', input: [0x00, 0xdc], expected: '\uFFFD', name: 'lone surrogate trail' }, { encoding: 'utf-16le', input: [0x00, 0xd8, 0x00, 0x00], expected: '\uFFFD\u0000', name: 'unmatched surrogate lead' }, { encoding: 'utf-16le', input: [0x00, 0xdc, 0x00, 0x00], expected: '\uFFFD\u0000', name: 'unmatched surrogate trail' }, { encoding: 'utf-16le', input: [0x00, 0xdc, 0x00, 0xd8], expected: '\uFFFD\uFFFD', name: 'swapped surrogate pair' },];
bad.forEach((t) => { assert.throws( () => { new TextDecoder(t.encoding, { fatal: true }) .decode(new Uint8Array(t.input)); }, { code: 'ERR_ENCODING_INVALID_ENCODED_DATA', name: 'TypeError' } );});
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a year ago