Thinkful Unit 2 Lesson 2 Number drills

numberDrills.js

/*------------------------------Drill 1----------------------------*/

function computeArea(width, height) {
  // your code here
  return width*height;
}


/* From here down, you are not expected to 
   understand.... for now :)  
   
   
   Nothing to see here!
   
*/



// tests

function testComputeArea() {
  var width = 3;
  var height = 4;
  var expected = 12;
  if (computeArea(width, height) === expected) {
    console.log('SUCCESS: `computeArea` is working');
  }
  else {
    console.log('FAILURE: `computeArea` is not working');
  }
}

testComputeArea();


/*------------------------------Drill 2----------------------------*/


function celsToFahr(celsTemp) {
  // your code here
  return (celsTemp *9/5)+32;
}

function fahrToCels(fahrTemp) {
  // your code here
  return (fahrTemp-32)*(5/9);
}


/* From here down, you are not expected to 
   understand.... for now :)  
   
   
   Nothing to see here!
   
*/



// tests

function testConversion(fn, input, expected) {
  if (fn(input) === expected) {
    console.log('SUCCESS: `' + fn.name + '` is working');
    return true;
  }
  else {
    console.log('FAILURE: `' + fn.name + '` is not working');
    return false;
  }
}

function testConverters() {
  var cel2FahrInput = 100;
  var cel2FahrExpect = 212;
  var fahr2CelInput = 32;
  var fahr2CelExpect = 0;
  
  if (testConversion(celsToFahr, cel2FahrInput, cel2FahrExpect) &&
     testConversion(fahrToCels, fahr2CelInput, fahr2CelExpect)) {
    console.log('SUCCESS: All tests passing');
  }
  else {
    console.log('FAILURE: Some tests are failing');
  }
}

testConverters();

  /*------------------------------Drill 3----------------------------*/

function isDivisible(divisee, divisor) {
   // your code here
  if(divisee%divisor===0)
    return true;
  else
    return false;
}


/* From here down, you are not expected to 
   understand.... for now :)  
   
   
   Nothing to see here!
   
*/



// tests

function testIsDivisible() {
  if (isDivisible(10, 2) && !isDivisible(11, 2)) {
    console.log('SUCCESS: `isDivisible` is working');
  }
  else {
    console.log('FAILURE: `isDivisible` is not working');
  }
}

testIsDivisible();