31 lines
878 B
JavaScript
31 lines
878 B
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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// 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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