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37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
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'use strict';
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// From: https://github.com/w3c/web-platform-tests/blob/7f567fa29c/encoding/textdecoder-ignorebom.html
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// This is the part that can be run without ICU
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require('../common');
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const assert = require('assert');
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const cases = [
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{
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encoding: 'utf-8',
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bytes: [0xEF, 0xBB, 0xBF, 0x61, 0x62, 0x63]
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},
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{
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encoding: 'utf-16le',
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bytes: [0xFF, 0xFE, 0x61, 0x00, 0x62, 0x00, 0x63, 0x00]
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},
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];
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cases.forEach((testCase) => {
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const BOM = '\uFEFF';
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let decoder = new TextDecoder(testCase.encoding, { ignoreBOM: true });
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const bytes = new Uint8Array(testCase.bytes);
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assert.strictEqual(decoder.decode(bytes), `${BOM}abc`);
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decoder = new TextDecoder(testCase.encoding, { ignoreBOM: false });
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assert.strictEqual(decoder.decode(bytes), 'abc');
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decoder = new TextDecoder(testCase.encoding);
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assert.strictEqual(decoder.decode(bytes), 'abc');
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});
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