TriangleCheckerAssignment/test/TriangleCheckerTest.java

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

public class TriangleCheckerTest {
    
    @Test
    public void testValidTriangle() {

        // Arrange
        float a = 2;
        float b = 3;
        float c = 4;

        // Act
        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);

        // Assert
        assertEquals(TriangleChecker.TriangleType.NORMAL, type);

    }

    @Test
    public void testValidEquilateralTriangle() {

        // Arrange
        float a = 3;
        float b = 3;
        float c = 3;

        // Act
        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);

        // Assert
        assertEquals(TriangleChecker.TriangleType.EQUILATERAL, type);
    }

    @Test
    public void testValidNoTriangle1() {

        // Arrange
        float a = 0;
        float b = 1;
        float c = 0;

        // Act
        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);

        // Assert
        assertEquals(TriangleChecker.TriangleType.NONE, type);

    }

    @Test
    public void testValidNoTriangle2() {

        // Arrange
        float a = 2;
        float b = 1;
        float c = -2;

        // Act
        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);

        // Assert
        assertEquals(TriangleChecker.TriangleType.NONE, type);

    }
    @Test
    public void testValidNoTriangle3() {

        // Arrange
        float a = 1;
        float b = 2;
        float c = 13;

        // Act
        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);

        // Assert
        assertEquals(TriangleChecker.TriangleType.NONE, type);

    }

    @Test
    public void testValidNoTriangle4() {

        // Arrange
        float a = -1;
        float b = -1;
        float c = -1;

        // Act
        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);

        // Assert
        assertEquals(TriangleChecker.TriangleType.NONE, type);

    }

    @Test
    public void testValidIsoscelesTriangle() {

        // Arrange
        float a = 3;
        float b = 3;
        float c = 4;

        // Act
        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);

        // Assert
        assertEquals(TriangleChecker.TriangleType.ISOSCELES, type);

    }

    @Test
    public void testValidNoTriangle5() {

        // Arrange
        float a = 4;
        float b = 4;
        float c = 13;

        // Act
        TriangleChecker.TriangleType type = TriangleChecker.checkTriangle(a, b, c);

        // Assert
        assertEquals(TriangleChecker.TriangleType.NONE, type);

    }


}