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package cgeo.geocaching;
import cgeo.geocaching.test.AbstractResourceInstrumentationTestCase;
import cgeo.geocaching.test.R;
import cgeo.geocaching.utils.ImageUtils;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
public class ImageUtilsTest extends AbstractResourceInstrumentationTestCase {
private static final String icon64 = "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";
public void testBase64decoding() throws IOException {
final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
ImageUtils.decodeBase64ToStream(icon64, outputStream);
final byte[] decodedImage = outputStream.toByteArray();
outputStream.close();
assertEquals("decoded image has the right size", 409, decodedImage.length);
final InputStream originalStream = getResourceStream(R.raw.small_file);
final byte[] originalImage = new byte[409];
assertEquals("original image has the right size (consistency check)", 409, originalStream.read(originalImage));
originalStream.close();
assertTrue("decoded base64 image is similar to original file data",
Arrays.equals(originalImage, decodedImage));
}
}
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