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1) This improves the performance for Buffer#fill by using shortcuts. 2) It also ports throwing errors to JS. That way they contain the proper error code. 3) Using negative `end` values will from now on result in an error instead of just doing nothing. 4) Passing in `null` as encoding is from now on accepted as 'utf8'. PR-URL: https://github.com/nodejs/node/pull/18790 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
45 lines
965 B
JavaScript
45 lines
965 B
JavaScript
// Flags: --expose-internals
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'use strict';
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require('../common');
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const assert = require('assert');
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const util = require('internal/util');
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const tests = [
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[undefined, 'utf8'],
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[null, 'utf8'],
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['', 'utf8'],
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['utf8', 'utf8'],
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['utf-8', 'utf8'],
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['UTF-8', 'utf8'],
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['UTF8', 'utf8'],
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['Utf8', 'utf8'],
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['uTf-8', 'utf8'],
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['utF-8', 'utf8'],
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['ucs2', 'utf16le'],
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['UCS2', 'utf16le'],
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['utf16le', 'utf16le'],
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['utf-16le', 'utf16le'],
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['UTF-16LE', 'utf16le'],
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['UTF16LE', 'utf16le'],
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['binary', 'latin1'],
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['BINARY', 'latin1'],
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['latin1', 'latin1'],
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['LaTiN1', 'latin1'],
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['base64', 'base64'],
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['BASE64', 'base64'],
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['hex', 'hex'],
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['HEX', 'hex'],
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['foo', undefined],
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[1, undefined],
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[false, undefined],
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[NaN, undefined],
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[0, undefined],
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[[], undefined],
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];
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tests.forEach((e, i) => {
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const res = util.normalizeEncoding(e[0]);
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assert.strictEqual(res, e[1], `#${i} failed: expected ${e[1]}, got ${res}`);
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});
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