CalculatorTest 수정

Author: mmm307955

src/test/java/CalculatorTest.java

@@ -3,38 +3,27 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class CalculatorTest {
+    Calculator c = new Calculator();
+
     @Test
     void testAdd(){
-        int result = add(2,3);
+        int result = c.add(2,3);
         assertEquals(5,result);
     }
     @Test
     void testSubtract(){
-        int result = subtract(2,3);
+        int result = c.subtract(2,3);
         assertEquals(-1,result);
     }
 
     @Test
     void testMultiply(){
-        int result = multiply(2,3);
+        int result = c.multiply(2,3);
         assertEquals(6,result);
     }
     @Test
     void testDivide(){
-        int result = divide(6,3);
+        int result = c.divide(6,3);
         assertEquals(2,result);
     }
-
-    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;
-    }
 }