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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 18.12.1
// 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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