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'use strict'; var Buffer = require('../../').Buffer; var assert = require('assert'); var Buffer = require('../../').Buffer; // Test hex strings and bad hex strings { var buf1 = Buffer.alloc(4); assert.strictEqual(buf1.length, 4); assert.deepStrictEqual(buf1, new Buffer([0, 0, 0, 0])); assert.strictEqual(buf1.write('abcdxx', 0, 'hex'), 2); assert.deepStrictEqual(buf1, new Buffer([0xab, 0xcd, 0x00, 0x00])); assert.strictEqual(buf1.toString('hex'), 'abcd0000'); assert.strictEqual(buf1.write('abcdef01', 0, 'hex'), 4); assert.deepStrictEqual(buf1, new Buffer([0xab, 0xcd, 0xef, 0x01])); assert.strictEqual(buf1.toString('hex'), 'abcdef01'); var buf2 = Buffer.from(buf1.toString('hex'), 'hex'); assert.strictEqual(buf1.toString('hex'), buf2.toString('hex')); var buf3 = Buffer.alloc(5); assert.strictEqual(buf3.write('abcdxx', 1, 'hex'), 2); assert.strictEqual(buf3.toString('hex'), '00abcd0000'); var buf4 = Buffer.alloc(4); assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0])); assert.strictEqual(buf4.write('xxabcd', 0, 'hex'), 0); assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0])); assert.strictEqual(buf4.write('xxab', 1, 'hex'), 0); assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0])); assert.strictEqual(buf4.write('cdxxab', 0, 'hex'), 1); assert.deepStrictEqual(buf4, new Buffer([0xcd, 0, 0, 0])); var buf5 = Buffer.alloc(256); for (var i = 0; i < 256; i++) buf5[i] = i; var hex = buf5.toString('hex'); assert.deepStrictEqual(Buffer.from(hex, 'hex'), buf5); var badHex = hex.slice(0, 256) + 'xx' + hex.slice(256, 510); assert.deepStrictEqual(Buffer.from(badHex, 'hex'), buf5.slice(0, 128)); }