i2c-bus/integration-test/async-brute-force-leak-check.js

I2C serial bus access with Node.js

'use strict';

const assert = require('assert');
const i2c = require('../');

const DS1621_ADDR = 0x48;
const CMD_ACCESS_TL = 0xa2;

const leakTest = testRuns => {
  const tlbuf = Buffer.alloc(1000000);

  i2c1.readI2cBlock(DS1621_ADDR, CMD_ACCESS_TL, 2, tlbuf, (err, bytesRead, buffer) => {
    assert(!err, 'can\'t read block data from tl');
    assert.strictEqual(bytesRead, 2, 'expected readI2cBlock to read 2 bytes');

    if (testRuns % 1000 === 0) {
      console.log(testRuns);
    }

    testRuns -= 1;
    if (testRuns === 0) {
      i2c1.closeSync();
    } else {
      leakTest(testRuns);
    }
  });
};

const i2c1 = i2c.open(1, err => {
  assert(!err, 'can\'t open i2c bus');
  leakTest(1000000);
});