diff options
Diffstat (limited to 'tests/src/com/android/gallery3d/exif/ExifModifierTest.java')
| -rw-r--r-- | tests/src/com/android/gallery3d/exif/ExifModifierTest.java | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/tests/src/com/android/gallery3d/exif/ExifModifierTest.java b/tests/src/com/android/gallery3d/exif/ExifModifierTest.java new file mode 100644 index 000000000..96f405ef6 --- /dev/null +++ b/tests/src/com/android/gallery3d/exif/ExifModifierTest.java @@ -0,0 +1,184 @@ +/* + * 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.test.suitebuilder.annotation.MediumTest; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.InputStream; +import java.io.RandomAccessFile; +import java.nio.MappedByteBuffer; +import java.nio.channels.FileChannel.MapMode; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +public class ExifModifierTest extends ExifXmlDataTestCase { + + private File mTmpFile; + private List<Map<Short, List<String>>> mGroundTruth; + private ExifInterface mInterface; + private Map<Short, ExifTag> mTestTags; + ExifTag mVersionTag; + ExifTag mGpsVersionTag; + ExifTag mModelTag; + ExifTag mDateTimeTag; + ExifTag mCompressionTag; + ExifTag mThumbnailFormatTag; + ExifTag mLongitudeTag; + ExifTag mShutterTag; + + @Override + public void setUp() throws Exception { + super.setUp(); + mGroundTruth = ExifXmlReader.readXml(getXmlParser()); + mTmpFile = File.createTempFile("exif_test", ".jpg"); + FileOutputStream os = null; + InputStream is = getImageInputStream(); + try { + os = new FileOutputStream(mTmpFile); + byte[] buf = new byte[1024]; + int n; + while ((n = is.read(buf)) > 0) { + os.write(buf, 0, n); + } + } finally { + Util.closeSilently(os); + } + + // TYPE_UNDEFINED with 4 components + mVersionTag = mInterface.buildTag(ExifInterface.TAG_EXIF_VERSION, new byte[] { + 1, 2, 3, 4 + }); + // TYPE_UNSIGNED_BYTE with 4 components + mGpsVersionTag = mInterface.buildTag(ExifInterface.TAG_GPS_VERSION_ID, new byte[] { + 4, 3, 2, 1 + }); + // TYPE ASCII with arbitary length + mModelTag = mInterface.buildTag(ExifInterface.TAG_MODEL, "end-of-the-world"); + // TYPE_ASCII with 20 components + mDateTimeTag = mInterface.buildTag(ExifInterface.TAG_DATE_TIME, "2012:12:31 23:59:59"); + // TYPE_UNSIGNED_SHORT with 1 components + mCompressionTag = mInterface.buildTag(ExifInterface.TAG_COMPRESSION, 100); + // TYPE_UNSIGNED_LONG with 1 components + mThumbnailFormatTag = + mInterface.buildTag(ExifInterface.TAG_JPEG_INTERCHANGE_FORMAT, 100); + // TYPE_UNSIGNED_RATIONAL with 3 components + mLongitudeTag = mInterface.buildTag(ExifInterface.TAG_GPS_LONGITUDE, new Rational[] { + new Rational(1, 1), new Rational(10, 10), + new Rational(100, 100) + }); + // TYPE_RATIONAL with 1 components + mShutterTag = mInterface + .buildTag(ExifInterface.TAG_SHUTTER_SPEED_VALUE, new Rational(1, 1)); + + mTestTags = new HashMap<Short, ExifTag>(); + + mTestTags.put(mVersionTag.getTagId(), mVersionTag); + mTestTags.put(mGpsVersionTag.getTagId(), mGpsVersionTag); + mTestTags.put(mModelTag.getTagId(), mModelTag); + mTestTags.put(mDateTimeTag.getTagId(), mDateTimeTag); + mTestTags.put(mCompressionTag.getTagId(), mCompressionTag); + mTestTags.put(mThumbnailFormatTag.getTagId(), mThumbnailFormatTag); + mTestTags.put(mLongitudeTag.getTagId(), mLongitudeTag); + mTestTags.put(mShutterTag.getTagId(), mShutterTag); + } + + public ExifModifierTest(int imageRes, int xmlRes) { + super(imageRes, xmlRes); + mInterface = new ExifInterface(); + } + + public ExifModifierTest(String imagePath, String xmlPath) { + super(imagePath, xmlPath); + mInterface = new ExifInterface(); + } + + @MediumTest + public void testModify() throws Exception { + Map<Short, Boolean> results = new HashMap<Short, Boolean>(); + + RandomAccessFile file = null; + try { + file = new RandomAccessFile(mTmpFile, "rw"); + MappedByteBuffer buf = file.getChannel().map(MapMode.READ_WRITE, 0, file.length()); + for (ExifTag tag : mTestTags.values()) { + ExifModifier modifier = new ExifModifier(buf, mInterface); + modifier.modifyTag(tag); + boolean result = modifier.commit(); + results.put(tag.getTagId(), result); + buf.force(); + buf.position(0); + + if (!result) { + List<String> value = mGroundTruth.get(tag.getIfd()).get(tag.getTagId()); + assertTrue(String.format("Tag %x, ", tag.getTagId()) + getImageTitle(), + value == null || tag.getTagId() == ExifInterface.TAG_MODEL); + } + } + } finally { + Util.closeSilently(file); + } + + // Parse the new file and check the result + InputStream is = null; + try { + is = new FileInputStream(mTmpFile); + ExifData data = new ExifReader(mInterface).read(is); + for (int i = 0; i < IfdId.TYPE_IFD_COUNT; i++) { + checkIfd(data.getIfdData(i), mGroundTruth.get(i), results); + } + } finally { + Util.closeSilently(is); + } + + } + + private void checkIfd(IfdData ifd, Map<Short, List<String>> ifdValue, + Map<Short, Boolean> results) { + if (ifd == null) { + assertEquals(getImageTitle(), 0, ifdValue.size()); + return; + } + ExifTag[] tags = ifd.getAllTags(); + for (ExifTag tag : tags) { + List<String> truth = ifdValue.get(tag.getTagId()); + assertNotNull(String.format("Tag %x, ", tag.getTagId()) + getImageTitle(), truth); + if (truth.contains(null)) { + continue; + } + + ExifTag newTag = mTestTags.get(tag.getTagId()); + if (newTag != null + && results.get(tag.getTagId())) { + assertEquals(String.format("Tag %x, ", tag.getTagId()) + getImageTitle(), + Util.tagValueToString(newTag), Util.tagValueToString(tag)); + } else { + assertTrue(String.format("Tag %x, ", tag.getTagId()) + getImageTitle(), + truth.contains(Util.tagValueToString(tag).trim())); + } + } + assertEquals(getImageTitle(), ifdValue.size(), tags.length); + } + + @Override + public void tearDown() throws Exception { + super.tearDown(); + mTmpFile.delete(); + } +} |