53 lines
2.1 KiB
Java
53 lines
2.1 KiB
Java
import org.junit.Test;
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import static org.junit.Assert.*;
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public class TriangleCheckerTest {
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// Arrange
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float a = 2;
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float b = 3;
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float c = 4;
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float d = - a;
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TriangleChecker.TriangleType none = TriangleChecker.TriangleType.NONE;
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TriangleChecker.TriangleType normal = TriangleChecker.TriangleType.NORMAL;
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TriangleChecker.TriangleType isosceles = TriangleChecker.TriangleType.ISOSCELES; // Gleichschenklig
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TriangleChecker.TriangleType equilateral = TriangleChecker.TriangleType.EQUILATERAL; // Gleichseitig
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@Test
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public void testValidTriangle() {
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assertTrue(TriangleChecker.checkTrianglePossible(a,b,c));
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assertFalse(TriangleChecker.checkTrianglePossible(0,0,0));
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assertFalse(TriangleChecker.checkTrianglePossible(0,b,c));
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assertFalse(TriangleChecker.checkTrianglePossible(a,0,c));
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assertFalse(TriangleChecker.checkTrianglePossible(a,b,0));
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//combination of falses
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assertFalse(TriangleChecker.checkTrianglePossible(d,c,c));
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assertFalse(TriangleChecker.checkTrianglePossible(0,0,c));
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assertFalse(TriangleChecker.checkTrianglePossible(d,d,d));
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assertFalse(TriangleChecker.checkTrianglePossible(a,b,0));
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}
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@Test
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public void testTriangleType(){
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assertEquals(none, TriangleChecker.checkTriangle(a, b, 400));
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assertEquals(normal, TriangleChecker.checkTriangle(a, b, c));
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assertEquals(isosceles, TriangleChecker.checkTriangle(a, b, b));
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assertEquals(isosceles, TriangleChecker.checkTriangle(a, a, c/3));
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assertEquals(isosceles, TriangleChecker.checkTriangle(c, b, c));
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assertNotEquals(isosceles, TriangleChecker.checkTriangle(a, b, c));
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assertNotEquals(isosceles, TriangleChecker.checkTriangle(a, a, a));
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assertNotEquals(equilateral, TriangleChecker.checkTriangle(b, a, a));
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assertEquals(equilateral, TriangleChecker.checkTriangle(a, a, a));
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assertNotEquals(equilateral, TriangleChecker.checkTriangle(a, b, a));
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assertNotEquals(equilateral, TriangleChecker.checkTriangle(a, a, b));
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}
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}
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