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synced 2026-10-14 10:26:26 -04:00
Ruben Bridgewater
ac2fc0dd5f
ERR_INVALID_ARG_TYPE is the most common error used throughout the code base. This improves the error message by providing more details to the user and by indicating more precisely which values are allowed ones and which ones are not. It adds the actual input to the error message in case it's a primitive. If it's a class instance, it'll print the class name instead of "object" and "falsy" or similar entries are not named "type" anymore. PR-URL: https://github.com/nodejs/node/pull/29675 Reviewed-By: Rich Trott <rtrott@gmail.com>
86 lines
2.5 KiB
JavaScript
86 lines
2.5 KiB
JavaScript
'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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common.expectsError(
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() => buffer.transcode(null, 'utf8', 'ascii'),
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{
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type: 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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