ScalrCropTest.java

/**   
 * Copyright 2011 The Buzz Media, LLC
 * 
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.imgscalr;

import static org.imgscalr.Scalr.crop;

import org.junit.Assert;
import org.junit.Test;

public class ScalrCropTest extends AbstractScalrTest {
	@Test
	public void testCropEX() {
		try {
			crop(src, 3200, 2400);
			Assert.assertTrue(false);
		} catch (Exception e) {
			Assert.assertTrue(true);
		}

		try {
			crop(src, -8, -10, 100, 100);
			Assert.assertTrue(false);
		} catch (Exception e) {
			Assert.assertTrue(true);
		}

		try {
			crop(src, -100, -200, -4, -4);
			Assert.assertTrue(false);
		} catch (Exception e) {
			Assert.assertTrue(true);
		}
	}

	@Test
	public void testCropWH() {
		assertEquals(load("time-square-crop-wh.png"), crop(src, 320, 240));
	}

	@Test
	public void testCropXYWH() {
		assertEquals(load("time-square-crop-xywh.png"),
				crop(src, 100, 100, 320, 240));
	}

	@Test
	public void testCropXYWHOps() {
		assertEquals(load("time-square-crop-xywh-ops.png"),
				crop(src, 100, 100, 320, 240, Scalr.OP_GRAYSCALE));
	}
}