/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.sanselan;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.apache.sanselan.test.util.FSTraversal;
import org.apache.sanselan.util.Debug;
public abstract class SanselanTest extends TestCase implements
SanselanTestConstants, SanselanConstants {
protected File createTempFile(String prefix, String suffix)
throws IOException {
File tempFolder = new File("tmp");
if (!tempFolder.exists())
tempFolder.mkdirs();
assertTrue(tempFolder.isDirectory());
File result = File.createTempFile(prefix, suffix, tempFolder);
result.deleteOnExit();
return result;
}
public void compareByteArrays(byte a[], byte b[]) {
assertTrue(a.length == b.length);
for (int i = 0; i < b.length; i++)
assertTrue(b[i] == a[i]);
}
protected void purgeMemory() {
try {
System.gc();
Thread.sleep(50);
System.runFinalization();
Thread.sleep(50);
} catch (Exception e) {
Debug.debug(e);
}
}
protected boolean isPhilHarveyTestImage(File file) {
// Debug.debug("isPhilHarveyTestImage file", file.getAbsolutePath());
// Debug.debug("isPhilHarveyTestImage folder",
// PHIL_HARVEY_TEST_IMAGE_FOLDER.getAbsolutePath());
return file.getAbsolutePath().startsWith(
PHIL_HARVEY_TEST_IMAGE_FOLDER.getAbsolutePath());
}
public static interface ImageFilter {
public boolean accept(File file) throws IOException, ImageReadException;
}
protected File getTestImage() throws IOException, ImageReadException {
return getTestImage(null);
}
protected File getTestImageByName(final String filename)
throws IOException, ImageReadException {
return getTestImage(new ImageFilter() {
public boolean accept(File file) throws IOException, ImageReadException {
return file.getName().equals(filename);
}
});
}
protected File getTestImage(ImageFilter filter) throws IOException,
ImageReadException {
List images = getTestImages(filter, 1);
assertTrue(images.size() > 0);
return (File) images.get(0);
}
protected List getTestImages() throws IOException, ImageReadException {
return getTestImages(null, -1);
}
protected List getTestImages(ImageFilter filter) throws IOException,
ImageReadException {
return getTestImages(filter, -1);
}
private static final List ALL_IMAGES = new ArrayList();
static {
File imagesFolder = TEST_IMAGE_FOLDER;
// imagesFolder = new File(
// "C:\\personal\\apache\\sanselan\\src\\test\\data\\images\\bmp\\2");
imagesFolder = imagesFolder.getAbsoluteFile();
Debug.debug("imagesFolder", imagesFolder);
assertTrue(imagesFolder.exists());
FSTraversal.Visitor visitor = new FSTraversal.Visitor() {
public boolean visit(File file, double progressEstimate) {
if (!Sanselan.hasImageFileExtension(file))
return true;
ALL_IMAGES.add(file);
return true;
}
};
new FSTraversal().traverseFiles(imagesFolder, visitor);
}
protected List getTestImages(final ImageFilter filter, final int max)
throws IOException, ImageReadException {
final List images = new ArrayList();
int counter = 0;
for (int i = 0; i < ALL_IMAGES.size(); i++) {
File file = (File) ALL_IMAGES.get(i);
if (!Sanselan.hasImageFileExtension(file))
continue;
if (counter++ % 10 == 0)
Debug.purgeMemory();
if (file.getParentFile().getName().toLowerCase().equals("@broken"))
continue;
if (filter != null && !filter.accept(file))
continue;
images.add(file);
if (max > 0 && images.size() >= max)
break;
}
assertTrue(images.size() > 0);
return images;
}
protected boolean isInvalidPNGTestFile(File file) {
return (file.getParentFile().getName().equalsIgnoreCase("pngsuite") && file
.getName().toLowerCase().startsWith("x"));
}
}