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import org.junit.Test;
import static org.junit.Assert.*;
 
public class CalculatorTest {
 
    @Test
    public void testAddition() {
        assertEquals(5, Calculator.add(2, 3));
        assertEquals(-1, Calculator.add(-2, 1));
        assertEquals(0, Calculator.add(0, 0));
        assertEquals(100, Calculator.add(50, 50));
        // Add more test cases as needed
    }
 
    @Test
    public void testSubtraction() {
        assertEquals(1, Calculator.subtract(3, 2));
        assertEquals(-3, Calculator.subtract(0, 3));
        assertEquals(5, Calculator.subtract(10, 5));
        // Add more test cases as needed
    }
 
    @Test
    public void testMultiplication() {
        assertEquals(6, Calculator.multiply(2, 3));
        assertEquals(0, Calculator.multiply(0, 5));
        assertEquals(-15, Calculator.multiply(3, -5));
        // Add more test cases as needed
    }
 
    @Test
    public void testDivision() {
        assertEquals(2, Calculator.divide(6, 3));
        assertEquals(-2, Calculator.divide(6, -3));
        assertEquals(3, Calculator.divide(10, 3));
        // Add more test cases as needed
    }
 
    // Additional test cases can be added for edge cases such as division by zero
 
}
 

Main.java:4: error: class CalculatorTest is public, should be declared in a file named CalculatorTest.java
public class CalculatorTest {
       ^
Main.java:8: error: cannot find symbol
        assertEquals(5, Calculator.add(2, 3));
                        ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:9: error: cannot find symbol
        assertEquals(-1, Calculator.add(-2, 1));
                         ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:10: error: cannot find symbol
        assertEquals(0, Calculator.add(0, 0));
                        ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:11: error: cannot find symbol
        assertEquals(100, Calculator.add(50, 50));
                          ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:17: error: cannot find symbol
        assertEquals(1, Calculator.subtract(3, 2));
                        ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:18: error: cannot find symbol
        assertEquals(-3, Calculator.subtract(0, 3));
                         ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:19: error: cannot find symbol
        assertEquals(5, Calculator.subtract(10, 5));
                        ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:25: error: cannot find symbol
        assertEquals(6, Calculator.multiply(2, 3));
                        ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:26: error: cannot find symbol
        assertEquals(0, Calculator.multiply(0, 5));
                        ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:27: error: cannot find symbol
        assertEquals(-15, Calculator.multiply(3, -5));
                          ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:33: error: cannot find symbol
        assertEquals(2, Calculator.divide(6, 3));
                        ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:34: error: cannot find symbol
        assertEquals(-2, Calculator.divide(6, -3));
                         ^
  symbol:   variable Calculator
  location: class CalculatorTest
Main.java:35: error: cannot find symbol
        assertEquals(3, Calculator.divide(10, 3));
                        ^
  symbol:   variable Calculator
  location: class CalculatorTest
14 errors

Standard output is empty