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97 lines
2.9 KiB
JavaScript
97 lines
2.9 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 `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
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'use strict';
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const common = require('../common');
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if (!common.hasIntl)
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common.skip('missing Intl');
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const buffer = require('buffer');
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const assert = require('assert');
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const orig = Buffer.from('těst ☕', 'utf8');
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// Test Transcoding
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const tests = {
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'latin1': [0x74, 0x3f, 0x73, 0x74, 0x20, 0x3f],
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'ascii': [0x74, 0x3f, 0x73, 0x74, 0x20, 0x3f],
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'ucs2': [0x74, 0x00, 0x1b, 0x01, 0x73,
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0x00, 0x74, 0x00, 0x20, 0x00,
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0x15, 0x26]
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};
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for (const test in tests) {
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const dest = buffer.transcode(orig, 'utf8', test);
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assert.strictEqual(dest.length, tests[test].length, `utf8->${test} length`);
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for (let n = 0; n < tests[test].length; n++)
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assert.strictEqual(dest[n], tests[test][n], `utf8->${test} char ${n}`);
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}
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{
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const dest = buffer.transcode(Buffer.from(tests.ucs2), 'ucs2', 'utf8');
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assert.strictEqual(dest.toString(), orig.toString());
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}
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{
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const utf8 = Buffer.from('€'.repeat(4000), 'utf8');
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const ucs2 = Buffer.from('€'.repeat(4000), 'ucs2');
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const utf8_to_ucs2 = buffer.transcode(utf8, 'utf8', 'ucs2');
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const ucs2_to_utf8 = buffer.transcode(ucs2, 'ucs2', 'utf8');
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assert.deepStrictEqual(utf8, ucs2_to_utf8);
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assert.deepStrictEqual(ucs2, utf8_to_ucs2);
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assert.strictEqual(ucs2_to_utf8.toString('utf8'),
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utf8_to_ucs2.toString('ucs2'));
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}
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assert.throws(
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() => buffer.transcode(null, 'utf8', 'ascii'),
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{
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name: 'TypeError',
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code: 'ERR_INVALID_ARG_TYPE',
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message: 'The "source" argument must be an instance of Buffer ' +
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'or Uint8Array. Received null'
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}
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);
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assert.throws(
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() => buffer.transcode(Buffer.from('a'), 'b', 'utf8'),
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/^Error: Unable to transcode Buffer \[U_ILLEGAL_ARGUMENT_ERROR\]/
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);
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assert.throws(
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() => buffer.transcode(Buffer.from('a'), 'uf8', 'b'),
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/^Error: Unable to transcode Buffer \[U_ILLEGAL_ARGUMENT_ERROR\]$/
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);
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assert.deepStrictEqual(
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buffer.transcode(Buffer.from('hi', 'ascii'), 'ascii', 'utf16le'),
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Buffer.from('hi', 'utf16le'));
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assert.deepStrictEqual(
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buffer.transcode(Buffer.from('hi', 'latin1'), 'latin1', 'utf16le'),
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Buffer.from('hi', 'utf16le'));
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assert.deepStrictEqual(
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buffer.transcode(Buffer.from('hä', 'latin1'), 'latin1', 'utf16le'),
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Buffer.from('hä', 'utf16le'));
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// Test that Uint8Array arguments are okay.
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{
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const uint8array = new Uint8Array([...Buffer.from('hä', 'latin1')]);
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assert.deepStrictEqual(
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buffer.transcode(uint8array, 'latin1', 'utf16le'),
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Buffer.from('hä', 'utf16le'));
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}
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{
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const dest = buffer.transcode(new Uint8Array(), 'utf8', 'latin1');
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assert.strictEqual(dest.length, 0);
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}
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// Test that it doesn't crash
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{
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buffer.transcode(new buffer.SlowBuffer(1), 'utf16le', 'ucs2');
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}
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