import static org.junit.Assert.*;
import org.junit.Test;

/*--- 
    ADAPTED from example at:
        https://github.com/junit-team/junit4/wiki/Getting-started

    adapted by: Sharon Tuttle
    last modified: 2021-12-08
---*/

public class CalculatorTest
{
    @Test
    public void evaluateExpression()
    {
	// make an instance of the class whose method is being tested

	Calculator calc = new Calculator();

	int sum = calc.evaluate("1+2+3");

        // assertEquals is a JUnit method whose first argument
	//    should be the expected value, and the second is the
	//    actual resulting value
	
	assertEquals("testing evaluate method: ", 6, sum);
    }
}