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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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 com.android.gallery3d.exif;
import android.content.res.XmlResourceParser;
import android.test.InstrumentationTestCase;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
public class ExifReaderTest extends InstrumentationTestCase {
private static final String TAG = "ExifReaderTest";
private final int mImageResourceId;
private final int mXmlResourceId;
private final HashMap<Short, String> mIfd0Value = new HashMap<Short, String>();
private final HashMap<Short, String> mIfd1Value = new HashMap<Short, String>();
private final HashMap<Short, String> mExifIfdValue = new HashMap<Short, String>();
private final HashMap<Short, String> mInteroperabilityIfdValue = new HashMap<Short, String>();
private InputStream mImageInputStream;
public ExifReaderTest(int imageResourceId, int xmlResourceId) {
mImageResourceId = imageResourceId;
mXmlResourceId = xmlResourceId;
}
@Override
public void setUp() throws Exception {
mImageInputStream = getInstrumentation()
.getContext().getResources().openRawResource(mImageResourceId);
XmlResourceParser parser =
getInstrumentation().getContext().getResources().getXml(mXmlResourceId);
ExifXmlReader.readXml(parser, mIfd0Value, mIfd1Value, mExifIfdValue
, mInteroperabilityIfdValue);
parser.close();
}
public void testRead() throws ExifInvalidFormatException, IOException {
ExifReader reader = new ExifReader();
ExifData exifData = reader.getExifData(mImageInputStream);
checkIfd(exifData.getIfdData(IfdId.TYPE_IFD_0), mIfd0Value);
checkIfd(exifData.getIfdData(IfdId.TYPE_IFD_1), mIfd1Value);
checkIfd(exifData.getIfdData(IfdId.TYPE_IFD_EXIF), mExifIfdValue);
checkIfd(exifData.getIfdData(IfdId.TYPE_IFD_INTEROPERABILITY),
mInteroperabilityIfdValue);
}
private void checkIfd(IfdData ifd, HashMap<Short, String> ifdValue) {
if (ifd == null) {
assertEquals(0 ,ifdValue.size());
return;
}
ExifTag[] tags = ifd.getAllTags(new ExifTag[0]);
for (ExifTag tag : tags) {
assertEquals(ifdValue.get(tag.getTagId()), tag.valueToString());
}
assertEquals(ifdValue.size(), tags.length);
}
@Override
public void tearDown() throws Exception {
mImageInputStream.close();
}
}
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