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7f9eb4c29c
Add tests ported from Web Platform Tests. Graduate TextEncoder / TextDecoder from experimental PR-URL: https://github.com/nodejs/node/pull/15743 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Timothy Gu <timothygu99@gmail.com>
51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
'use strict';
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// From: https://github.com/w3c/web-platform-tests/blob/7f567fa29c/encoding/textdecoder-ignorebom.html
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const common = require('../common');
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const assert = require('assert');
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const {
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TextDecoder
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} = require('util');
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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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skipNoIntl: false
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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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skipNoIntl: false
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},
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{
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encoding: 'utf-16be',
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bytes: [0xFE, 0xFF, 0x00, 0x61, 0x00, 0x62, 0x00, 0x63],
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skipNoIntl: true
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}
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];
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cases.forEach((testCase) => {
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if (testCase.skipNoIntl && !common.hasIntl) {
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console.log(`skipping ${testCase.encoding} because missing Intl`);
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return; // skipping
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}
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const BOM = '\uFEFF';
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let decoder = new TextDecoder(testCase.encoding, { ignoreBOM: true });
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const bytes = new Uint8Array(testCase.bytes);
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assert.strictEqual(decoder.decode(bytes), `${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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{
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assert('ignoreBOM' in new TextDecoder());
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assert.strictEqual(typeof new TextDecoder().ignoreBOM, 'boolean');
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assert(!new TextDecoder().ignoreBOM);
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assert(new TextDecoder('utf-8', { ignoreBOM: true }).ignoreBOM);
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}
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