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function addTwoNumbers(numberOne, numberTwo){} |
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describe( 'Adding two number', () => { | |
it( 'works with postive numbers', () => { | |
expect( addTwoNumbers(1,2) ).toBe(3); | |
}); | |
it( 'works with a negative number', () =>{ | |
expect( addTwoNumbers(-1,2) ).toBe(1); | |
}); | |
}); |
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function addTwoNumbers(numberOne, numberTwo){ | |
return numberOne + numberTwo; | |
} |
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describe( 'Adding two number', () => { | |
it( 'works with postive numbers', () => { | |
expect( addTwoNumbers(1,2) ).toBe(3); | |
}); | |
it( 'works with a negative number', () =>{ | |
expect( addTwoNumbers(-1,2) ).toBe(1); | |
}); | |
it( 'rounds when rounding argument is passed', () => { | |
expect( addTwoNumbers( 1, 2.555555, 2 ) ).toBe( 3.55 ); | |
}); | |
it( 'Does not round by default', () => { | |
expect( addTwoNumbers( 1, 2.555555 ) ).toBe( 3.555555 ); | |
}); | |
}); |
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function addTwoNumbers(numberOne, numberTwo, precision = null ){ | |
let sum = numberOne + numberTwo; | |
if( precision ){ | |
sum = Number.parseFloat(sum).precision(4); | |
} | |
return sum; | |
} |
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