26 lines
722 B
JavaScript
26 lines
722 B
JavaScript
const expect = require('expect');
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const fahrenheitToCelsius = require('./fahrenheitToCelsius.js');
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test('fahrenheitToCelsius is a Function', () => {
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expect(fahrenheitToCelsius).toBeInstanceOf(Function);
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});
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test('32 Fahrenheit is 0 Celsius', () => {
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expect(fahrenheitToCelsius(32)).toBe(0)
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})
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test('212 Fahrenheit is 100 Celsius', () => {
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expect(fahrenheitToCelsius(212)).toBe(100)
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})
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test('150 Fahrenheit is 65.55555555555556 Celsius', () => {
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expect(fahrenheitToCelsius(150)).toBe(65.55555555555556)
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})
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test('1000 Fahrenheit is 537.7777777777778', () => {
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expect(fahrenheitToCelsius(1000)).toBe(537.7777777777778)
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})
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test('Not a number value is NaN', () => {
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expect(fahrenheitToCelsius("Durr")).toBe(NaN)
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}) |