import junit.framework.TestCase;

public class TriangleTest extends TestCase
{

    /* Triangle isocele */
    private boolean triangleEstIsocele(int a, int b, int c)
    {
	Triangle t = new Triangle(a, b, c);
	return t.estIsocele();
    }
    
    public void testCasTriangleIsocele1()
    {
	assertFalse(triangleEstIsocele(2, 3, 4));
    }

    public void testCasTriangleIsocele2()
    {
	assertTrue(triangleEstIsocele(2, 2, 3));
    }

    public void testCasTriangleIsocele3()
    {
	assertTrue(triangleEstIsocele(2, 3, 2));
    }

    public void testCasTriangleIsocele4()
    {
	assertTrue(triangleEstIsocele(3, 2, 2));
    }

    public void testCasTriangleIsocele5()
    {
	assertTrue(triangleEstIsocele(2, 2, 2));
    }

    /* Triangle equilateral */
    public void testCasTriangleEquilateral1()
    {
	Triangle t = new Triangle(2, 2, 2);
	assertTrue(t.estEquilateral());
    }

    public void testCasTriangleEquilateral2()
    {
	Triangle t = new Triangle(2, 3, 2);
	assertFalse(t.estEquilateral());
    }

    /* Triangle rectangle */
    public void testCasTriangleRectangle1()
    {
	Triangle t = new Triangle(2, 2, 5);
	assertFalse(t.estRectangle());
    }

    public void testCasTriangleRectangle2()
    {
	Triangle t = new Triangle(3, 4, 5);
	assertTrue(t.estRectangle());
    }

    /* Triangle scalen */

    /* rectangle */
    public void testCasTriangleScalen1()
    {
	Triangle t = new Triangle(3, 4, 5);
	assertFalse(t.estScalen());	
    }

    /* isocele */
    public void testCasTriangleScalen2()
    {
	Triangle t = new Triangle(2, 2, 3);
	assertFalse(t.estScalen());
    }

    /* equilateral */
    public void testCasTriangleScalen3()
    {
	Triangle t = new Triangle(2, 2, 2);
	assertFalse(t.estScalen());
    }

    /* quelconque */
    public void testCasTriangleScalen4()
    {
	Triangle t = new Triangle(1, 4, 8);
	assertTrue(t.estScalen());
    }

    /* Surface */
    public void testSurface1()
    {
	Triangle t = new Triangle(1, 1, 2);
	assertEquals(0, t.surface(), 0);
    }

    public void testSurface2()
    {
	Triangle t = new Triangle(2, 2, 1);
	assertEquals(0.96, t.surface(), 0.01);
    }


}