Created
September 8, 2017 02:32
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Number Drills
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function computeArea(width, height) { | |
return width * height; | |
} | |
/* From here down, you are not expected to | |
understand.... for now :) | |
Nothing to see here! | |
*/ | |
// tests | |
function testComputeArea() { | |
let width = 3; | |
let height = 4; | |
let expected = 12; | |
if (computeArea(width, height) === expected) { | |
console.log('SUCCESS: `computeArea` is working'); | |
} | |
else { | |
console.log('FAILURE: `computeArea` is not working'); | |
} | |
} | |
testComputeArea(); |
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function isDivisible(divisee, divisor) { | |
return divisee % divisor === 0; | |
} | |
/* 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(); |
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function celsToFahr(celsTemp) { | |
return celsTemp * 1.8 + 32; | |
} | |
function fahrToCels(fahrTemp) { | |
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() { | |
let cel2FahrInput = 100; | |
let cel2FahrExpect = 212; | |
let fahr2CelInput = 32; | |
let 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(); |
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