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55 lines
1.9 KiB
55 lines
1.9 KiB
'use strict';
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require('../common');
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const assert = require('assert');
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const outsideBounds = /^RangeError: Attempt to write outside buffer bounds$/;
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assert.throws(() => Buffer.alloc(9).write('foo', -1), outsideBounds);
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assert.throws(() => Buffer.alloc(9).write('foo', 10), outsideBounds);
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const resultMap = new Map([
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['utf8', Buffer.from([102, 111, 111, 0, 0, 0, 0, 0, 0])],
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['ucs2', Buffer.from([102, 0, 111, 0, 111, 0, 0, 0, 0])],
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['ascii', Buffer.from([102, 111, 111, 0, 0, 0, 0, 0, 0])],
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['latin1', Buffer.from([102, 111, 111, 0, 0, 0, 0, 0, 0])],
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['binary', Buffer.from([102, 111, 111, 0, 0, 0, 0, 0, 0])],
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['utf16le', Buffer.from([102, 0, 111, 0, 111, 0, 0, 0, 0])],
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['base64', Buffer.from([102, 111, 111, 0, 0, 0, 0, 0, 0])],
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['hex', Buffer.from([102, 111, 111, 0, 0, 0, 0, 0, 0])]
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]);
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// utf8, ucs2, ascii, latin1, utf16le
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const encodings = ['utf8', 'utf-8', 'ucs2', 'ucs-2', 'ascii', 'latin1',
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'binary', 'utf16le', 'utf-16le'];
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encodings
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.reduce((es, e) => es.concat(e, e.toUpperCase()), [])
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.forEach((encoding) => {
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const buf = Buffer.alloc(9);
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const len = Buffer.byteLength('foo', encoding);
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assert.strictEqual(buf.write('foo', 0, len, encoding), len);
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if (encoding.indexOf('-') !== -1)
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encoding = encoding.replace('-', '');
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assert.deepStrictEqual(buf, resultMap.get(encoding.toLowerCase()));
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});
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// base64
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['base64', 'BASE64'].forEach((encoding) => {
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const buf = Buffer.alloc(9);
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const len = Buffer.byteLength('Zm9v', encoding);
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assert.strictEqual(buf.write('Zm9v', 0, len, encoding), len);
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assert.deepStrictEqual(buf, resultMap.get(encoding.toLowerCase()));
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});
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// hex
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['hex', 'HEX'].forEach((encoding) => {
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const buf = Buffer.alloc(9);
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const len = Buffer.byteLength('666f6f', encoding);
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assert.strictEqual(buf.write('666f6f', 0, len, encoding), len);
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assert.deepStrictEqual(buf, resultMap.get(encoding.toLowerCase()));
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});
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