83a6a6ea32
* chore: make aware eslint that we use jest By setting up the jest environment, we no longer need to declare the 'test' global in the configuration. * chore: don't need to import expect, it's a jest environment global * chore: don't need to import expect when creating undefined test
26 lines
691 B
JavaScript
26 lines
691 B
JavaScript
const {fahrenheitToCelsius} = require('./_30s.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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});
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