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Add proper unit tests for double-dispatch pattern

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This commit is contained in:
Jeroen Meulemeester
2015-12-11 20:14:52 +01:00
committed by Jeroen Meulemeester
parent 2edc1898b1
commit c837ffe234
7 changed files with 524 additions and 9 deletions
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43
double-dispatch/src/test/java/com/iluwatar/doubledispatch/RectangleTest.java
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@@ -1,22 +1,47 @@
package com.iluwatar.doubledispatch;
import org.junit.Assert;
import org.junit.Test;
import com.iluwatar.doubledispatch.Rectangle;
import static junit.framework.TestCase.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
*
* Unit test for Rectangle
*
*/
public class RectangleTest {
/**
* Test if the values passed through the constructor matches the values fetched from the getters
*/
@Test
public void test() {
Assert.assertTrue(new Rectangle(0, 0, 1, 1).intersectsWith(new Rectangle(0, 0, 1, 1)));
Assert.assertTrue(new Rectangle(0, 0, 1, 1).intersectsWith(new Rectangle(-1, -5, 7, 8)));
Assert.assertFalse(new Rectangle(0, 0, 1, 1).intersectsWith(new Rectangle(2, 2, 3, 3)));
Assert.assertFalse(new Rectangle(0, 0, 1, 1).intersectsWith(new Rectangle(-2, -2, -1, -1)));
public void testConstructor() {
final Rectangle rectangle = new Rectangle(1, 2, 3, 4);
assertEquals(1, rectangle.getLeft());
assertEquals(2, rectangle.getTop());
assertEquals(3, rectangle.getRight());
assertEquals(4, rectangle.getBottom());
}
/**
* Test if the values passed through the constructor matches the values in the {@link
* #toString()}
*/
@Test
public void testToString() throws Exception {
final Rectangle rectangle = new Rectangle(1, 2, 3, 4);
assertEquals("[1,2,3,4]", rectangle.toString());
}
/**
* Test if the {@link Rectangle} class can detect if it intersects with another rectangle.
*/
@Test
public void testIntersection() {
assertTrue(new Rectangle(0, 0, 1, 1).intersectsWith(new Rectangle(0, 0, 1, 1)));
assertTrue(new Rectangle(0, 0, 1, 1).intersectsWith(new Rectangle(-1, -5, 7, 8)));
assertFalse(new Rectangle(0, 0, 1, 1).intersectsWith(new Rectangle(2, 2, 3, 3)));
assertFalse(new Rectangle(0, 0, 1, 1).intersectsWith(new Rectangle(-2, -2, -1, -1)));
}
}