import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;

public class CalculatorTest {

    @Before
    public void setUp() throws Exception {
        System.out.println("测试开始");
    }

    @After
    public void tearDown() throws Exception {
    }

    @Test
    public void add() {
        Calculator cal = new Calculator();
        cal.add(5);
    }

    @Test
    public void substract() {
        /**数值匹配**/
        //测试变量是否大于指定值
        assertThat(501,greaterThan(50));
        //测试变量是否小于指定值
        assertThat(6,lessThan(100));
    }

    @Test
    public void a() {
    }

    @Test
    public void divide() {
    }

    @Test
    public void square() {
    }

    @Test
    public void squareRoot() {
    }

    @Test
    public void clear() {
    }

    @Test
    public void getResult() {
    }
}