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Fixed unit test #4

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Fixed unit test #4

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4 changes: 2 additions & 2 deletions src/main/java/com/codingblackfemales/Calculator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ public static Integer multiply(final int firstInput, final int secondInput) {
return firstInput * secondInput;
}

public static Integer divide(final int firstInput, final int secondInput) {
return firstInput / secondInput;
public static Double divide(final double d, final double e) {
return d / e;
}
}
29 changes: 29 additions & 0 deletions src/test/java/com/codingblackfemales/CalculatorTests.java
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Expand Up @@ -23,4 +23,33 @@ public void testSubtraction() {

assertEquals(-2, difference);
}
@Test
@DisplayName("Multiply two positive numbers")
public void testMultiplyTwoPositiveNumbers() {
final Integer product = Calculator.multiply(3, 4);
assertEquals(12, product);
}

@Test
@DisplayName("Multiply a positive number and a negative number")
public void testMultiplyPositiveAndNegativeNumbers() {
final Integer product = Calculator.multiply(3, -4);
assertEquals(-12, product);
}


@Test
@DisplayName ("Divide two positive numbers")
public void testDivideTwoPositiveNumbers() {
final Double result = Calculator.divide(6.0, 3.0);
assertEquals(2.0, result);

}

@Test
@DisplayName("Divide a number by itself")
public void testDivideByItself() {
final Double result = Calculator.divide(6.0, 6.0);
assertEquals(1.0, result);
}
}