import org.junit.jupiter.api.*;

import static org.junit.jupiter.api.Assertions.*;


public class unitCalcTest {

    private unitCalc uc;

    @BeforeAll
    static void init(){
        System.out.println("Tests have been initialized.");
    }

    @BeforeEach
    void beforeEach(){
        System.out.println("Next test...");
    }

    @Test
    @DisplayName("Check if mmhg -> hPa is correct")
    void test1(){
        uc = new unitCalc();
        assertEquals(10.6657912,uc.millOfMercToHecto(8),0.1);

    }

    @Test
    @DisplayName("Check if hPa -> mmHg is correct")
    void test2(){
        uc = new unitCalc();
        assertEquals(4.7503078065132,uc.hectoToMillOfMerc(5),0.1);
    }

    @Test
    @DisplayName("Check if 0 hPa -> mmHg 0")
    void test3(){
        uc = new unitCalc();
        assertEquals(0,uc.hectoToMillOfMerc(0),0.1);
    }

    @Test
    @DisplayName("Check if 0 mmHg -> hPa 0")
    void test4(){
        uc = new unitCalc();
        assertEquals(0,uc.millOfMercToHecto(0),0.1);
    }

    @Test
    @DisplayName("Check if negative mmhg -> hPa is correct")
    void test5(){
        uc = new unitCalc();
        assertEquals(-11.99915,uc.millOfMercToHecto(-9),0.1);
    }

    @Test
    @DisplayName("Check if negative hPa -> mmHg is correct")
    void test6(){
        uc = new unitCalc();
        assertEquals(-6.750554,uc.hectoToMillOfMerc(-9),0.1);
    }

    @Test
    @DisplayName("Is UC Null")
    void isUCNull(){
        uc = new unitCalc();
        assertNotNull(uc,()->"Object is not empty");
    }
}