import org.junit.*;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import static org.junit.Assert.*;
import java.util.*;

@RunWith(Parameterized.class)
public class TriangleParamTest {
    public Triangle triangle;
    public boolean isValid;
    public boolean isScalene;
    public boolean isIsosceles;
    public boolean isEquilateral;

    public TriangleParamTest (int x, int y, int z, 
       boolean isValid, boolean isScalene, boolean isIsosceles, boolean isEquilateral) {
       this.triangle      = new Triangle(x, y, z);
       this.isValid       = isValid;
       this.isScalene     = isScalene;
       this.isIsosceles   = isIsosceles;
       this.isEquilateral = isEquilateral;
    }

   @Parameters public static Collection<Object[]> parameters() {

        List<Object[]> list = new ArrayList<Object[]>();
        list.add(new Object[] {1, 2, 0, false, false, false, false});
        list.add(new Object[] {0, 0, 0, false, false, false, false});
        list.add(new Object[] {2, 2, 4, false, false, false, false});
        list.add(new Object[] {2, 4, 3, true,  true,  false, false});
        list.add(new Object[] {3, 4, 2, true,  true,  false, false});
        list.add(new Object[] {4, 2, 3, true,  true,  false, false});
        list.add(new Object[] {4, 3, 2, true,  true,  false, false});
        list.add(new Object[] {3, 1, 3, true,  false, true,  false});
        list.add(new Object[] {3, 3, 1, true,  false, true,  false});
        list.add(new Object[] {1, 3, 3, true,  false, true,  false});
        list.add(new Object[] {3, 3, 3, true,  false, false, true });

        return list;
    }

   @Test public void fourPartTriangleTest() { 
      assertEquals(triangle.isValid(),       isValid); 
      assertEquals(triangle.isScalene(),     isScalene); 
      assertEquals(triangle.isIsosceles(),   isIsosceles); 
      assertEquals(triangle.isEquilateral(), isEquilateral); 
   }
}