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104 lines
3.2 KiB
104 lines
3.2 KiB
// Flags: --expose-internals
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { TextDecoder, TextEncoder } = require('util');
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const { customInspectSymbol: inspect } = require('internal/util');
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const buf = Buffer.from([0xef, 0xbb, 0xbf, 0x74, 0x65,
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0x73, 0x74, 0xe2, 0x82, 0xac]);
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// Make Sure TextDecoder exist
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assert(TextDecoder);
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// Test TextDecoder, UTF-8, fatal: false, ignoreBOM: false
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{
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['unicode-1-1-utf-8', 'utf8', 'utf-8'].forEach((i) => {
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const dec = new TextDecoder(i);
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const res = dec.decode(buf);
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assert.strictEqual(res, 'test€');
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});
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['unicode-1-1-utf-8', 'utf8', 'utf-8'].forEach((i) => {
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const dec = new TextDecoder(i);
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let res = '';
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res += dec.decode(buf.slice(0, 8), { stream: true });
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res += dec.decode(buf.slice(8));
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assert.strictEqual(res, 'test€');
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});
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}
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// Test TextDecoder, UTF-8, fatal: false, ignoreBOM: true
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{
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['unicode-1-1-utf-8', 'utf8', 'utf-8'].forEach((i) => {
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const dec = new TextDecoder(i, { ignoreBOM: true });
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const res = dec.decode(buf);
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assert.strictEqual(res, '\ufefftest€');
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});
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['unicode-1-1-utf-8', 'utf8', 'utf-8'].forEach((i) => {
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const dec = new TextDecoder(i, { ignoreBOM: true });
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let res = '';
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res += dec.decode(buf.slice(0, 8), { stream: true });
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res += dec.decode(buf.slice(8));
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assert.strictEqual(res, '\ufefftest€');
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});
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}
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// Test TextDecoder, UTF-8, fatal: true, ignoreBOM: false
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if (common.hasIntl) {
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['unicode-1-1-utf-8', 'utf8', 'utf-8'].forEach((i) => {
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const dec = new TextDecoder(i, { fatal: true });
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assert.throws(() => dec.decode(buf.slice(0, 8)),
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common.expectsError({
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code: 'ERR_ENCODING_INVALID_ENCODED_DATA',
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type: TypeError,
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message: 'The encoded data was not valid for encoding utf-8'
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}));
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});
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['unicode-1-1-utf-8', 'utf8', 'utf-8'].forEach((i) => {
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const dec = new TextDecoder(i, { fatal: true });
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assert.doesNotThrow(() => dec.decode(buf.slice(0, 8), { stream: true }));
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assert.doesNotThrow(() => dec.decode(buf.slice(8)));
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});
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} else {
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assert.throws(
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() => new TextDecoder('utf-8', { fatal: true }),
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common.expectsError({
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code: 'ERR_NO_ICU',
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type: TypeError,
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message: '"fatal" option is not supported on Node.js compiled without ICU'
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}));
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}
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// Test TextDecoder, UTF-16le
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{
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const dec = new TextDecoder('utf-16le');
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const res = dec.decode(Buffer.from('test€', 'utf-16le'));
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assert.strictEqual(res, 'test€');
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}
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// Test TextDecoder, UTF-16be
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if (common.hasIntl) {
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const dec = new TextDecoder('utf-16be');
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const res = dec.decode(Buffer.from('test€', 'utf-16le').swap16());
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assert.strictEqual(res, 'test€');
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}
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{
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const fn = TextDecoder.prototype[inspect];
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assert.doesNotThrow(() => {
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fn.call(new TextDecoder(), Infinity, {});
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});
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[{}, [], true, 1, '', new TextEncoder()].forEach((i) => {
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assert.throws(() => fn.call(i, Infinity, {}),
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common.expectsError({
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code: 'ERR_INVALID_THIS',
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type: TypeError,
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message: 'Value of "this" must be of type TextDecoder'
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}));
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});
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}
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