/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.common.api;
import junit.framework.TestCase;
public class RectTest extends TestCase {
@Override
protected void setUp() throws Exception {
super.setUp();
}
public final void testRect() {
Rect r = new Rect();
assertEquals(0, r.x);
assertEquals(0, r.y);
assertEquals(0, r.w);
assertEquals(0, r.h);
}
public final void testRectIntIntIntInt() {
Rect r = new Rect(1, 2, 3, 4);
assertEquals(1, r.x);
assertEquals(2, r.y);
assertEquals(3, r.w);
assertEquals(4, r.h);
}
public final void testRectRect() {
Rect r = new Rect(1, 2, 3, 4);
Rect r2 = new Rect(r);
assertNotSame(r2, r);
assertEquals(r2, r);
}
public final void testSetIntIntIntInt() {
Rect r = new Rect(1, 2, 3, 4);
Rect r2 = r.set(3, 4, 20, 30);
assertSame(r2, r);
assertEquals(3, r2.x);
assertEquals(4, r2.y);
assertEquals(20, r2.w);
assertEquals(30, r2.h);
}
public final void testSetRect() {
Rect r = new Rect(1, 2, 3, 4);
Rect r2 = new Rect(3, 4, 20, 30);
Rect r3 = r.set(r2);
assertSame(r3, r);
assertNotSame(r3, r2);
assertEquals(3, r.x);
assertEquals(4, r.y);
assertEquals(20, r.w);
assertEquals(30, r.h);
}
public final void testCopy() {
Rect r = new Rect(1, 2, 3, 4);
Rect r2 = r.copy();
assertNotSame(r2, r);
assertEquals(r2, r);
}
public final void testIsValid() {
Rect r = new Rect();
assertFalse(r.isValid());
r = new Rect(1, 2, 3, 4);
assertTrue(r.isValid());
// Rectangles must have a width > 0 to be valid
r = new Rect(1, 2, 0, 4);
assertFalse(r.isValid());
r = new Rect(1, 2, -5, 4);
assertFalse(r.isValid());
// Rectangles must have a height > 0 to be valid
r = new Rect(1, 2, 3, 0);
assertFalse(r.isValid());
r = new Rect(1, 2, 3, -5);
assertFalse(r.isValid());
r = new Rect(1, 2, 0, 0);
assertFalse(r.isValid());
r = new Rect(1, 2, -20, -5);
assertFalse(r.isValid());
}
public final void testContainsIntInt() {
Rect r = new Rect(3, 4, 20, 30);
assertTrue(r.contains(3, 4));
assertTrue(r.contains(3+19, 4));
assertTrue(r.contains(3+19, 4+29));
assertTrue(r.contains(3, 4+29));
assertFalse(r.contains(3-1, 4));
assertFalse(r.contains(3, 4-1));
assertFalse(r.contains(3-1, 4-1));
assertFalse(r.contains(3+20, 4));
assertFalse(r.contains(3+20, 4+30));
assertFalse(r.contains(3, 4+30));
}
public final void testContainsIntInt_Invalid() {
// Invalid rects always return false
Rect r = new Rect(3, 4, -20, -30);
assertFalse(r.contains(3, 4));
}
public final void testContainsPoint_Null() {
// contains(null) returns false rather than an NPE
Rect r = new Rect(3, 4, -20, -30);
assertFalse(r.contains(null));
}
public final void testContainsPoint() {
Rect r = new Rect(3, 4, 20, 30);
assertTrue(r.contains(new Point(3, 4)));
assertTrue(r.contains(new Point(3+19, 4)));
assertTrue(r.contains(new Point(3+19, 4+29)));
assertTrue(r.contains(new Point(3, 4+29)));
assertFalse(r.contains(new Point(3-1, 4)));
assertFalse(r.contains(new Point(3, 4-1)));
assertFalse(r.contains(new Point(3-1, 4-1)));
assertFalse(r.contains(new Point(3+20, 4)));
assertFalse(r.contains(new Point(3+20, 4+30)));
assertFalse(r.contains(new Point(3, 4+30)));
}
public final void testMoveTo() {
Rect r = new Rect(3, 4, 20, 30);
Rect r2 = r.moveTo(100, 200);
assertSame(r2, r);
assertEquals(100, r.x);
assertEquals(200, r.y);
assertEquals(20, r.w);
assertEquals(30, r.h);
}
public final void testOffsetBy() {
Rect r = new Rect(3, 4, 20, 30);
Rect r2 = r.offsetBy(100, 200);
assertSame(r2, r);
assertEquals(103, r.x);
assertEquals(204, r.y);
assertEquals(20, r.w);
assertEquals(30, r.h);
}
public final void testGetCenter() {
Rect r = new Rect(3, 4, 20, 30);
Point p = r.getCenter();
assertEquals(3+20/2, p.x);
assertEquals(4+30/2, p.y);
}
public final void testGetTopLeft() {
Rect r = new Rect(3, 4, 20, 30);
Point p = r.getTopLeft();
assertEquals(3, p.x);
assertEquals(4, p.y);
}
public final void testGetBottomLeft() {
Rect r = new Rect(3, 4, 20, 30);
Point p = r.getBottomLeft();
assertEquals(3, p.x);
assertEquals(4+30, p.y);
}
public final void testGetTopRight() {
Rect r = new Rect(3, 4, 20, 30);
Point p = r.getTopRight();
assertEquals(3+20, p.x);
assertEquals(4, p.y);
}
public final void testGetBottomRight() {
Rect r = new Rect(3, 4, 20, 30);
Point p = r.getBottomRight();
assertEquals(3+20, p.x);
assertEquals(4+30, p.y);
}
public final void testToString() {
Rect r = new Rect(3, 4, 20, 30);
assertEquals("Rect [3x4 - 20x30]", r.toString());
}
public final void testEqualsObject() {
Rect r = new Rect(3, 4, 20, 30);
assertFalse(r.equals(null));
assertFalse(r.equals(new Object()));
assertTrue(r.equals(new Rect(3, 4, 20, 30)));
}
public final void testEqualsObject_Invalid() {
Rect r = new Rect(3, 4, 20, 30);
assertTrue(r.isValid());
Rect i1 = new Rect(3, 4, 0, 0);
assertFalse(i1.isValid());
Rect i2 = new Rect(10, 20, 0, 0);
assertFalse(i2.isValid());
// valid rects can't be equal to invalid rects
assertFalse(r.equals(i1));
assertFalse(r.equals(i2));
// invalid rects are equal to each other whatever their content is
assertEquals(i2, i1);
}
public final void testHashCode() {
Rect r = new Rect(1, 2, 3, 4);
Rect r1 = new Rect(3, 4, 20, 30);
Rect r2 = new Rect(3, 4, 20, 30);
assertFalse(r1.hashCode() == r.hashCode());
assertEquals(r2.hashCode(), r1.hashCode());
}
}