akram1903
commented
4 months ago - made a bug report template
- made this issue
- watched videos about unit testing in typescript ( jest)
- made a unit testing for the 4 typescript given function, bellow are the code and screenshots of the output:
const calc = require('./funcs')
// ADD test("testing basic add 1+1",()=>{ expect(calc.add(1,1)).toStrictEqual(2); });
test("testing negative numbers add",()=>{ expect(calc.add(-2,-3)).toStrictEqual(-5); });
test("testing fractions add",()=>{ expect(calc.add(2.3,-3)).toStrictEqual(-0.7); });
// SUB test("testing normal subtraction",()=>{ expect(calc.subtract(1,1)).toStrictEqual(0); })
test("testing negative subtraction",()=>{ expect(calc.subtract(1,-1)).toStrictEqual(2); })
test("testing fractions subtraction",()=>{ expect(calc.subtract(1.5,0.5)).toStrictEqual(1); })
// MUL test("testing normal multiplication",()=>{ expect(calc.multiply(2,2)).toStrictEqual(4); })
test("testing multiplication identity",()=>{ expect(calc.multiply(1,2)).toStrictEqual(2); })
test("testing multiplication by zero",()=>{ expect(calc.multiply(0,2)).toStrictEqual(0); }) // DIV test("testing normal division",()=>{ expect(calc.divide(1,2)).toStrictEqual(0.5); })
test("testing division by negative",()=>{ expect(calc.divide(1,-2)).toStrictEqual(-0.5); })
test("testing division by zero",()=>{ expect(calc.divide(1,0)).toBeFalsy(); })
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