Calculator & test 클래스 구현

Author: mmm307955

build.gradle

@@ -12,6 +12,7 @@ repositories {
 dependencies {
     testImplementation platform('org.junit:junit-bom:5.9.1')
     testImplementation('org.junit.jupiter:junit-jupiter')
+    testImplementation ('org.junit.jupiter:junit-jupiter:5.10.0')
 }
 
 test {

src/main/java/Calculator.java

@@ -0,0 +1,14 @@
+public class Calculator {
+    int add(int a, int b){
+        return a + b;
+    }
+    int subtract(int a, int b){
+        return a - b;
+    }
+    int multiply(int a, int b){
+        return a * b;
+    }
+    int divide(int a, int b){
+        return a / b;
+    }
+}

src/test/java/CalculatorTest.java

@@ -0,0 +1,29 @@
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class CalculatorTest {
+    Calculator c = new Calculator();
+
+    @Test
+    void testAdd(){
+        int result = c.add(2,3);
+        assertEquals(5,result);
+    }
+    @Test
+    void testSubtract(){
+        int result = c.subtract(2,3);
+        assertEquals(-1,result);
+    }
+
+    @Test
+    void testMultiply(){
+        int result = c.multiply(2,3);
+        assertEquals(6,result);
+    }
+    @Test
+    void testDivide(){
+        int result = c.divide(6,3);
+        assertEquals(2,result);
+    }
+}