package Examples;
import org.junit.* ;

import Examples.Triangle;
import static org.junit.Assert.* ;

public class TestTriangle {

	Triangle equilateral() { return new Triangle(1,1,1) ; }
	Triangle isoceles() { return new Triangle(1,2,1) ; }
	Triangle scalene() { return new Triangle(1,2,3) ; }
	
	@Test
	public void test() {
		assertTrue(equilateral().isEquilateral()) ;
		assertTrue(equilateral().isIsoleces()) ;
		assertFalse(equilateral().isScalene()) ;
		assertFalse(isoceles().isEquilateral()) ;
		assertTrue(isoceles().isIsoleces()) ;
		assertFalse(isoceles().isScalene()) ;
		assertFalse(scalene().isEquilateral()) ;
		assertFalse(scalene().isIsoleces()) ;
		assertTrue(scalene().isScalene()) ;
	}
	
	@Test
	public void illegalTriangle() {
		try { new Triangle(0,1,1) ; assertTrue(false) ; } catch(IllegalArgumentException e) { }
		try { new Triangle(1,0,1) ; assertTrue(false) ; } catch(IllegalArgumentException e) { }
		try { new Triangle(1,1,0) ; assertTrue(false) ; } catch(IllegalArgumentException e) { }
	}
}