Calculator.java

1 
package rs.etf.ts.calculator;
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import rs.etf.ts.storage.*;
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4 
public class Calculator {
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    private final ResultStorage storage;
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    public Calculator(ResultStorage storage) {
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        this.storage = storage;
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    }
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    public void add(int n) {
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        int result = storage.get();
14 1 1. add : Replaced integer addition with subtraction → KILLED
 
        result = result + n;
15 1 1. add : removed call to rs/etf/ts/storage/ResultStorage::set → KILLED
 
        storage.set(result);
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    }
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    public void substract(int n) {
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        int result = storage.get();
20 1 1. substract : Replaced integer subtraction with addition → NO_COVERAGE
 
        result = result - 1;        // BUG: should subtract n
21 1 1. substract : removed call to rs/etf/ts/storage/ResultStorage::set → NO_COVERAGE
 
        storage.set(result);
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    }
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    public void substract2(int x, int y) {
25 1 1. substract2 : Replaced integer subtraction with addition → KILLED
 
        int result = x - y;
26 1 1. substract2 : removed call to rs/etf/ts/storage/ResultStorage::set → KILLED
 
        storage.set(result);
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    }
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    public void multiply(int n) {
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        int result = storage.get();
31 1 1. multiply : Replaced integer multiplication with division → KILLED
 
        result = result * n;
32 1 1. multiply : removed call to rs/etf/ts/storage/ResultStorage::set → KILLED
 
        storage.set(result);
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    }
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    public void divide(int n) {
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        int result = storage.get();
37 1 1. divide : Replaced integer division with multiplication → KILLED
 
        result = result / n;
38 1 1. divide : removed call to rs/etf/ts/storage/ResultStorage::set → KILLED
 
        storage.set(result);
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    }
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    public void square(int n) {
42 1 1. square : Replaced integer multiplication with division → NO_COVERAGE
 
        int result = n * n;
43 1 1. square : removed call to rs/etf/ts/storage/ResultStorage::set → NO_COVERAGE
 
        storage.set(result);
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    }
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    public void squareRoot(int n) {
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        n = storage.get();      // BUG: value of n is ignored
48 2 1. squareRoot : negated conditional → NO_COVERAGE
2. squareRoot : changed conditional boundary → NO_COVERAGE
 
        if (n < 0) {
49 1 1. squareRoot : removed call to rs/etf/ts/storage/ResultStorage::set → NO_COVERAGE
 
            storage.set(0);
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        } else {
51 1 1. squareRoot : removed call to rs/etf/ts/storage/ResultStorage::set → NO_COVERAGE
 
            storage.set((int) Math.sqrt(n));
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        }
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    }
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    public void clear() {
56 1 1. clear : removed call to rs/etf/ts/storage/ResultStorage::set → KILLED
 
        storage.set(0);
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    }
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    public void switchOn() {
60 1 1. switchOn : removed call to rs/etf/ts/storage/ResultStorage::set → SURVIVED
 
        storage.set(0);
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    }
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    public void switchOff() {
64 1 1. switchOff : removed call to rs/etf/ts/storage/ResultStorage::set → SURVIVED
 
        storage.set(0);
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    }
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    public int getResult() {
68 1 1. getResult : replaced int return with 0 for rs/etf/ts/calculator/Calculator::getResult → KILLED
 
        return storage.get();
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    }
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    public void setResult(int n) {
72 1 1. setResult : removed call to rs/etf/ts/storage/ResultStorage::set → KILLED
 
        storage.set(n);
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    }
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    public boolean isPositive() {
76 3 1. isPositive : changed conditional boundary → KILLED
2. isPositive : negated conditional → KILLED
3. isPositive : replaced boolean return with true for rs/etf/ts/calculator/Calculator::isPositive → KILLED
 
        return storage.get() > 0;
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    }
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}

Mutations

14

1.1
Location : add
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:additionTest()] Replaced integer addition with subtraction → KILLED

15

1.1
Location : add
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:additionTest()] removed call to rs/etf/ts/storage/ResultStorage::set → KILLED

20

1.1
Location : substract
Killed by : none Replaced integer subtraction with addition → NO_COVERAGE

21

1.1
Location : substract
Killed by : none removed call to rs/etf/ts/storage/ResultStorage::set → NO_COVERAGE

25

1.1
Location : substract2
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:subtraction2Test()] Replaced integer subtraction with addition → KILLED

26

1.1
Location : substract2
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:subtraction2Test()] removed call to rs/etf/ts/storage/ResultStorage::set → KILLED

31

1.1
Location : multiply
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:multiplicationTest()] Replaced integer multiplication with division → KILLED

32

1.1
Location : multiply
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:multiplicationTest()] removed call to rs/etf/ts/storage/ResultStorage::set → KILLED

37

1.1
Location : divide
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:divisionTest()] Replaced integer division with multiplication → KILLED

38

1.1
Location : divide
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:divisionTest()] removed call to rs/etf/ts/storage/ResultStorage::set → KILLED

42

1.1
Location : square
Killed by : none Replaced integer multiplication with division → NO_COVERAGE

43

1.1
Location : square
Killed by : none removed call to rs/etf/ts/storage/ResultStorage::set → NO_COVERAGE

48

1.1
Location : squareRoot
Killed by : none negated conditional → NO_COVERAGE

2.2
Location : squareRoot
Killed by : none changed conditional boundary → NO_COVERAGE

49

1.1
Location : squareRoot
Killed by : none removed call to rs/etf/ts/storage/ResultStorage::set → NO_COVERAGE

51

1.1
Location : squareRoot
Killed by : none removed call to rs/etf/ts/storage/ResultStorage::set → NO_COVERAGE

56

1.1
Location : clear
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:divisionTest()] removed call to rs/etf/ts/storage/ResultStorage::set → KILLED

60

1.1
Location : switchOn
Killed by : none removed call to rs/etf/ts/storage/ResultStorage::set → SURVIVED Covering tests

64

1.1
Location : switchOff
Killed by : none removed call to rs/etf/ts/storage/ResultStorage::set → SURVIVED Covering tests

68

1.1
Location : getResult
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:subtraction2Test()] replaced int return with 0 for rs/etf/ts/calculator/Calculator::getResult → KILLED

72

1.1
Location : setResult
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:isPositive()] removed call to rs/etf/ts/storage/ResultStorage::set → KILLED

76

1.1
Location : isPositive
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:isNegative()] changed conditional boundary → KILLED

2.2
Location : isPositive
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:isNegative()] negated conditional → KILLED

3.3
Location : isPositive
Killed by : rs.etf.ts.calculator.CalculatorTests.[engine:junit-jupiter]/[class:rs.etf.ts.calculator.CalculatorTests]/[method:isNegative()] replaced boolean return with true for rs/etf/ts/calculator/Calculator::isPositive → KILLED

Active mutators

Tests examined


Report generated by PIT 1.22.0