|
| 1 | +'use strict'; |
| 2 | +require('../common'); |
| 3 | +const assert = require('assert'); |
| 4 | + |
| 5 | +// testing buffer write functions |
| 6 | + |
| 7 | +function write(funx, args, result, res) { |
| 8 | + { |
| 9 | + const buf = Buffer.alloc(9); |
| 10 | + assert.strictEqual(buf[funx](...args), result); |
| 11 | + assert.deepStrictEqual(buf, res); |
| 12 | + } |
| 13 | + |
| 14 | + { |
| 15 | + const invalidArgs = Array.from(args); |
| 16 | + invalidArgs[1] = -1; |
| 17 | + assert.throws( |
| 18 | + () => Buffer.alloc(9)[funx](...invalidArgs), |
| 19 | + /^RangeError: (?:Index )?out of range(?: index)?$/ |
| 20 | + ); |
| 21 | + } |
| 22 | + |
| 23 | + { |
| 24 | + const buf2 = Buffer.alloc(9); |
| 25 | + assert.strictEqual(buf2[funx](...args, true), result); |
| 26 | + assert.deepStrictEqual(buf2, res); |
| 27 | + } |
| 28 | + |
| 29 | +} |
| 30 | + |
| 31 | +write('writeInt8', [1, 0], 1, Buffer.from([1, 0, 0, 0, 0, 0, 0, 0, 0])); |
| 32 | +write('writeIntBE', [1, 1, 4], 5, Buffer.from([0, 0, 0, 0, 1, 0, 0, 0, 0])); |
| 33 | +write('writeIntLE', [1, 1, 4], 5, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0])); |
| 34 | +write('writeInt16LE', [1, 1], 3, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0])); |
| 35 | +write('writeInt16BE', [1, 1], 3, Buffer.from([0, 0, 1, 0, 0, 0, 0, 0, 0])); |
| 36 | +write('writeInt32LE', [1, 1], 5, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0])); |
| 37 | +write('writeInt32BE', [1, 1], 5, Buffer.from([0, 0, 0, 0, 1, 0, 0, 0, 0])); |
| 38 | +write('writeUInt8', [1, 0], 1, Buffer.from([1, 0, 0, 0, 0, 0, 0, 0, 0])); |
| 39 | +write('writeUIntLE', [1, 1, 4], 5, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0])); |
| 40 | +write('writeUIntBE', [1, 1, 4], 5, Buffer.from([0, 0, 0, 0, 1, 0, 0, 0, 0])); |
| 41 | +write('writeUInt16LE', [1, 1], 3, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0])); |
| 42 | +write('writeUInt16BE', [1, 1], 3, Buffer.from([0, 0, 1, 0, 0, 0, 0, 0, 0])); |
| 43 | +write('writeUInt32LE', [1, 1], 5, Buffer.from([0, 1, 0, 0, 0, 0, 0, 0, 0])); |
| 44 | +write('writeUInt32BE', [1, 1], 5, Buffer.from([0, 0, 0, 0, 1, 0, 0, 0, 0])); |
| 45 | +write('writeDoubleBE', [1, 1], 9, Buffer.from([0, 63, 240, 0, 0, 0, 0, 0, 0])); |
| 46 | +write('writeDoubleLE', [1, 1], 9, Buffer.from([0, 0, 0, 0, 0, 0, 0, 240, 63])); |
| 47 | +write('writeFloatBE', [1, 1], 5, Buffer.from([0, 63, 128, 0, 0, 0, 0, 0, 0])); |
| 48 | +write('writeFloatLE', [1, 1], 5, Buffer.from([0, 0, 0, 128, 63, 0, 0, 0, 0])); |
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