2f8bc9a7bcThis commit addresses an inconsistency with eight tests. These tests use the assert module, but named the variable ASSERT. This goes against the project's typical coding style, and negatively impacts global find and replace updates. PR-URL: https://github.com/nodejs/node/pull/10544 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Jackson Tian <shyvo1987@gmail.com> Reviewed-By: Prince John Wesley <princejohnwesley@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
89 lines
2.4 KiB
JavaScript
89 lines
2.4 KiB
JavaScript
'use strict';
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/*
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* A battery of tests to help us read a series of uints
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*/
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require('../common');
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const assert = require('assert');
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/*
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* We need to check the following things:
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* - We are correctly resolving big endian (doesn't mean anything for 8 bit)
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* - Correctly resolving little endian (doesn't mean anything for 8 bit)
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* - Correctly using the offsets
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* - Correctly interpreting values that are beyond the signed range as unsigned
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*/
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function test8(clazz) {
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var data = new clazz(4);
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data[0] = 23;
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data[1] = 23;
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data[2] = 23;
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data[3] = 23;
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assert.equal(23, data.readUInt8(0));
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assert.equal(23, data.readUInt8(1));
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assert.equal(23, data.readUInt8(2));
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assert.equal(23, data.readUInt8(3));
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data[0] = 255; /* If it became a signed int, would be -1 */
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assert.equal(255, data.readUInt8(0));
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}
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/*
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* Test 16 bit unsigned integers. We need to verify the same set as 8 bit, only
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* now some of the issues actually matter:
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* - We are correctly resolving big endian
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* - Correctly resolving little endian
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* - Correctly using the offsets
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* - Correctly interpreting values that are beyond the signed range as unsigned
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*/
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function test16(clazz) {
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var data = new clazz(4);
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data[0] = 0;
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data[1] = 0x23;
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data[2] = 0x42;
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data[3] = 0x3f;
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assert.equal(0x23, data.readUInt16BE(0));
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assert.equal(0x2342, data.readUInt16BE(1));
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assert.equal(0x423f, data.readUInt16BE(2));
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assert.equal(0x2300, data.readUInt16LE(0));
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assert.equal(0x4223, data.readUInt16LE(1));
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assert.equal(0x3f42, data.readUInt16LE(2));
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data[0] = 0xfe;
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data[1] = 0xfe;
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assert.equal(0xfefe, data.readUInt16BE(0));
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assert.equal(0xfefe, data.readUInt16LE(0));
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}
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/*
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* Test 32 bit unsigned integers. We need to verify the same set as 8 bit, only
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* now some of the issues actually matter:
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* - We are correctly resolving big endian
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* - Correctly using the offsets
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* - Correctly interpreting values that are beyond the signed range as unsigned
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*/
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function test32(clazz) {
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var data = new clazz(8);
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data[0] = 0x32;
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data[1] = 0x65;
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data[2] = 0x42;
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data[3] = 0x56;
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data[4] = 0x23;
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data[5] = 0xff;
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assert.equal(0x32654256, data.readUInt32BE(0));
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assert.equal(0x65425623, data.readUInt32BE(1));
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assert.equal(0x425623ff, data.readUInt32BE(2));
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assert.equal(0x56426532, data.readUInt32LE(0));
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assert.equal(0x23564265, data.readUInt32LE(1));
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assert.equal(0xff235642, data.readUInt32LE(2));
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}
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test8(Buffer);
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test16(Buffer);
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test32(Buffer);
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