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diff --git a/tests/src/com/android/gallery3d/exif/ExifInterfaceTest.java b/tests/src/com/android/gallery3d/exif/ExifInterfaceTest.java
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index 000000000..01b2a323e
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+++ b/tests/src/com/android/gallery3d/exif/ExifInterfaceTest.java
@@ -0,0 +1,533 @@
+/*
+ * Copyright (C) 2013 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.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+
+import android.test.suitebuilder.annotation.MediumTest;
+
+import java.io.ByteArrayInputStream;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class ExifInterfaceTest extends ExifXmlDataTestCase {
+
+ private File mTmpFile;
+ private List<Map<Short, List<String>>> mGroundTruth;
+ private ExifInterface mInterface;
+ private ExifTag mVersionTag;
+ private ExifTag mGpsVersionTag;
+ private ExifTag mModelTag;
+ private ExifTag mDateTimeTag;
+ private ExifTag mCompressionTag;
+ private ExifTag mThumbnailFormatTag;
+ private ExifTag mLongitudeTag;
+ private ExifTag mShutterTag;
+ Map<Integer, ExifTag> mTestTags;
+ Map<Integer, Integer> mTagDefinitions;
+
+ public ExifInterfaceTest(int imageRes, int xmlRes) {
+ super(imageRes, xmlRes);
+ }
+
+ public ExifInterfaceTest(String imagePath, String xmlPath) {
+ super(imagePath, xmlPath);
+ }
+
+ @MediumTest
+ public void testInterface() throws Exception {
+
+ InputStream imageInputStream = null;
+ try {
+ // Basic checks
+
+ // Check if bitmap is valid
+ byte[] imgData = Util.readToByteArray(getImageInputStream());
+ imageInputStream = new ByteArrayInputStream(imgData);
+ checkBitmap(imageInputStream);
+
+ // Check defines
+ int tag = ExifInterface.defineTag(1, (short) 0x0100);
+ assertTrue(getImageTitle(), tag == 0x00010100);
+ int tagDef = mInterface.getTagDefinition((short) 0x0100, IfdId.TYPE_IFD_0);
+ assertTrue(getImageTitle(), tagDef == 0x03040001);
+ int[] allowed = ExifInterface.getAllowedIfdsFromInfo(mInterface.getTagInfo().get(
+ ExifInterface.TAG_IMAGE_WIDTH));
+ assertTrue(getImageTitle(), allowed.length == 2 && allowed[0] == IfdId.TYPE_IFD_0
+ && allowed[1] == IfdId.TYPE_IFD_1);
+
+ // Check if there are any initial tags
+ assertTrue(getImageTitle(), mInterface.getAllTags() == null);
+
+ // ///////// Basic read/write testing
+
+ // Make sure we can read
+ imageInputStream = new ByteArrayInputStream(imgData);
+ mInterface.readExif(imageInputStream);
+
+ // Check tags against ground truth
+ checkTagsAgainstXml(mInterface.getAllTags());
+
+ // Make sure clearing Exif works
+ mInterface.clearExif();
+ assertTrue(getImageTitle(), mInterface.getAllTags() == null);
+
+ // Make sure setting tags works
+ mInterface.setTags(mTestTags.values());
+ checkTagsAgainstHash(mInterface.getAllTags(), mTestTags);
+
+ // Try writing over bitmap exif
+ ByteArrayOutputStream imgModified = new ByteArrayOutputStream();
+ mInterface.writeExif(imgData, imgModified);
+
+ // Check if bitmap is valid
+ byte[] imgData2 = imgModified.toByteArray();
+ imageInputStream = new ByteArrayInputStream(imgData2);
+ checkBitmap(imageInputStream);
+
+ // Make sure we get the same tags out
+ imageInputStream = new ByteArrayInputStream(imgData2);
+ mInterface.readExif(imageInputStream);
+ checkTagsAgainstHash(mInterface.getAllTags(), mTestTags);
+
+ // Reread original image
+ imageInputStream = new ByteArrayInputStream(imgData);
+ mInterface.readExif(imageInputStream);
+
+ // Write out with original exif
+ imgModified = new ByteArrayOutputStream();
+ mInterface.writeExif(imgData2, imgModified);
+
+ // Read back in exif and check tags
+ imgData2 = imgModified.toByteArray();
+ imageInputStream = new ByteArrayInputStream(imgData2);
+ mInterface.readExif(imageInputStream);
+ checkTagsAgainstXml(mInterface.getAllTags());
+
+ // Check if bitmap is valid
+ imageInputStream = new ByteArrayInputStream(imgData2);
+ checkBitmap(imageInputStream);
+
+ } catch (Exception e) {
+ throw new Exception(getImageTitle(), e);
+ } finally {
+ Util.closeSilently(imageInputStream);
+ }
+ }
+
+ @MediumTest
+ public void testInterfaceModify() throws Exception {
+
+ // TODO: This test is dependent on galaxy_nexus jpeg/xml file.
+ InputStream imageInputStream = null;
+ try {
+ // Check if bitmap is valid
+ byte[] imgData = Util.readToByteArray(getImageInputStream());
+ imageInputStream = new ByteArrayInputStream(imgData);
+ checkBitmap(imageInputStream);
+
+ // ///////// Exif modifier testing.
+
+ // Read exif and write to temp file
+ imageInputStream = new ByteArrayInputStream(imgData);
+ mInterface.readExif(imageInputStream);
+ mInterface.writeExif(imgData, mTmpFile.getPath());
+
+ // Check if bitmap is valid
+ imageInputStream = new FileInputStream(mTmpFile);
+ checkBitmap(imageInputStream);
+
+ // Create some tags to overwrite with
+ ArrayList<ExifTag> tags = new ArrayList<ExifTag>();
+ tags.add(mInterface.buildTag(ExifInterface.TAG_ORIENTATION,
+ ExifInterface.Orientation.RIGHT_TOP));
+ tags.add(mInterface.buildTag(ExifInterface.TAG_USER_COMMENT, "goooooooooooooooooogle"));
+
+ // Attempt to rewrite tags
+ assertTrue(getImageTitle(), mInterface.rewriteExif(mTmpFile.getPath(), tags));
+
+ imageInputStream.close();
+ // Check if bitmap is valid
+ imageInputStream = new FileInputStream(mTmpFile);
+ checkBitmap(imageInputStream);
+
+ // Read tags and check against xml
+ mInterface.readExif(mTmpFile.getPath());
+ for (ExifTag t : mInterface.getAllTags()) {
+ short tid = t.getTagId();
+ if (tid != ExifInterface.getTrueTagKey(ExifInterface.TAG_ORIENTATION)
+ && tid != ExifInterface.getTrueTagKey(ExifInterface.TAG_USER_COMMENT)) {
+ checkTagAgainstXml(t);
+ }
+ }
+ assertTrue(getImageTitle(), mInterface.getTagIntValue(ExifInterface.TAG_ORIENTATION)
+ .shortValue() == ExifInterface.Orientation.RIGHT_TOP);
+ String valString = mInterface.getTagStringValue(ExifInterface.TAG_USER_COMMENT);
+ assertTrue(getImageTitle(), valString.equals("goooooooooooooooooogle"));
+
+ // Test forced modify
+
+ // Create some tags to overwrite with
+ tags = new ArrayList<ExifTag>();
+ tags.add(mInterface.buildTag(ExifInterface.TAG_SOFTWARE, "magic super photomaker pro"));
+ tags.add(mInterface.buildTag(ExifInterface.TAG_USER_COMMENT, "noodles"));
+ tags.add(mInterface.buildTag(ExifInterface.TAG_ORIENTATION,
+ ExifInterface.Orientation.TOP_LEFT));
+
+ // Force rewrite tags
+ mInterface.forceRewriteExif(mTmpFile.getPath(), tags);
+
+ imageInputStream.close();
+ // Check if bitmap is valid
+ imageInputStream = new FileInputStream(mTmpFile);
+ checkBitmap(imageInputStream);
+
+ // Read tags and check against xml
+ mInterface.readExif(mTmpFile.getPath());
+ for (ExifTag t : mInterface.getAllTags()) {
+ short tid = t.getTagId();
+ if (!ExifInterface.isOffsetTag(tid)
+ && tid != ExifInterface.getTrueTagKey(ExifInterface.TAG_SOFTWARE)
+ && tid != ExifInterface.getTrueTagKey(ExifInterface.TAG_USER_COMMENT)) {
+ checkTagAgainstXml(t);
+ }
+ }
+ valString = mInterface.getTagStringValue(ExifInterface.TAG_SOFTWARE);
+ String compareString = "magic super photomaker pro\0";
+ assertTrue(getImageTitle(), valString.equals(compareString));
+ valString = mInterface.getTagStringValue(ExifInterface.TAG_USER_COMMENT);
+ assertTrue(getImageTitle(), valString.equals("noodles"));
+
+ } catch (Exception e) {
+ throw new Exception(getImageTitle(), e);
+ } finally {
+ Util.closeSilently(imageInputStream);
+ }
+ }
+
+ @MediumTest
+ public void testInterfaceDefines() throws Exception {
+
+ InputStream imageInputStream = null;
+ try {
+ // Check if bitmap is valid
+ byte[] imgData = Util.readToByteArray(getImageInputStream());
+ imageInputStream = new ByteArrayInputStream(imgData);
+ checkBitmap(imageInputStream);
+
+ // Set some tags.
+ mInterface.setTags(mTestTags.values());
+
+ // Check tag definitions against default
+ for (Integer i : mTestTags.keySet()) {
+ int check = mTagDefinitions.get(i).intValue();
+ int actual = mInterface.getTagInfo().get(i);
+ assertTrue(check == actual);
+ }
+
+ // Check defines
+ int tag1 = ExifInterface.defineTag(IfdId.TYPE_IFD_1, (short) 42);
+ int tag2 = ExifInterface.defineTag(IfdId.TYPE_IFD_INTEROPERABILITY, (short) 43);
+ assertTrue(tag1 == 0x0001002a);
+ assertTrue(tag2 == 0x0003002b);
+
+ // Define some non-standard tags
+ assertTrue(mInterface.setTagDefinition((short) 42, IfdId.TYPE_IFD_1,
+ ExifTag.TYPE_UNSIGNED_BYTE, (short) 16, new int[] {
+ IfdId.TYPE_IFD_1
+ }) == tag1);
+ assertTrue(mInterface.getTagInfo().get(tag1) == 0x02010010);
+ assertTrue(mInterface.setTagDefinition((short) 43, IfdId.TYPE_IFD_INTEROPERABILITY,
+ ExifTag.TYPE_ASCII, (short) 5, new int[] {
+ IfdId.TYPE_IFD_GPS, IfdId.TYPE_IFD_INTEROPERABILITY
+ }) == tag2);
+ assertTrue(mInterface.getTagInfo().get(tag2) == 0x18020005);
+
+ // Make sure these don't work
+ assertTrue(mInterface.setTagDefinition((short) 42, IfdId.TYPE_IFD_1,
+ ExifTag.TYPE_UNSIGNED_BYTE, (short) 16, new int[] {
+ IfdId.TYPE_IFD_0
+ }) == ExifInterface.TAG_NULL);
+ assertTrue(mInterface.setTagDefinition((short) 42, IfdId.TYPE_IFD_1, (short) 0,
+ (short) 16, new int[] {
+ IfdId.TYPE_IFD_1
+ }) == ExifInterface.TAG_NULL);
+ assertTrue(mInterface.setTagDefinition((short) 42, 5, ExifTag.TYPE_UNSIGNED_BYTE,
+ (short) 16, new int[] {
+ 5
+ }) == ExifInterface.TAG_NULL);
+ assertTrue(mInterface.setTagDefinition((short) 42, IfdId.TYPE_IFD_1,
+ ExifTag.TYPE_UNSIGNED_BYTE, (short) 16, new int[] {
+ -1
+ }) == ExifInterface.TAG_NULL);
+ assertTrue(mInterface.setTagDefinition((short) 43, IfdId.TYPE_IFD_GPS,
+ ExifTag.TYPE_ASCII, (short) 5, new int[] {
+ IfdId.TYPE_IFD_GPS
+ }) == ExifInterface.TAG_NULL);
+ assertTrue(mInterface.setTagDefinition((short) 43, IfdId.TYPE_IFD_0,
+ ExifTag.TYPE_ASCII, (short) 5, new int[] {
+ IfdId.TYPE_IFD_0, IfdId.TYPE_IFD_GPS
+ }) == ExifInterface.TAG_NULL);
+
+ // Set some tags
+ mInterface.setTags(mTestTags.values());
+ checkTagsAgainstHash(mInterface.getAllTags(), mTestTags);
+
+ // Make some tags using new defines
+ ExifTag defTag0 = mInterface.buildTag(tag1, new byte[] {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
+ });
+ assertTrue(defTag0 != null);
+ ExifTag defTag1 = mInterface.buildTag(tag2, "hihi");
+ assertTrue(defTag1 != null);
+ ExifTag defTag2 = mInterface.buildTag(tag2, IfdId.TYPE_IFD_GPS, "byte");
+ assertTrue(defTag2 != null);
+
+ // Make sure these don't work
+ ExifTag badTag = mInterface.buildTag(tag1, new byte[] {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+ });
+ assertTrue(badTag == null);
+ badTag = mInterface.buildTag(tag1, IfdId.TYPE_IFD_0, new byte[] {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
+ });
+ assertTrue(badTag == null);
+ badTag = mInterface.buildTag(0x0002002a, new byte[] {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
+ });
+ assertTrue(badTag == null);
+ badTag = mInterface.buildTag(tag2, new byte[] {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
+ });
+ assertTrue(badTag == null);
+
+ // Set the tags
+ assertTrue(mInterface.setTag(defTag0) == null);
+ assertTrue(mInterface.setTag(defTag1) == null);
+ assertTrue(mInterface.setTag(defTag2) == null);
+ assertTrue(mInterface.setTag(defTag0).equals(defTag0));
+ assertTrue(mInterface.setTag(null) == null);
+ assertTrue(mInterface.setTagValue(tag2, "yoyo") == true);
+ assertTrue(mInterface.setTagValue(tag2, "yaaarggg") == false);
+ assertTrue(mInterface.getTagStringValue(tag2).equals("yoyo\0"));
+
+ // Try writing over bitmap exif
+ ByteArrayOutputStream imgModified = new ByteArrayOutputStream();
+ mInterface.writeExif(imgData, imgModified);
+
+ // Check if bitmap is valid
+ byte[] imgData2 = imgModified.toByteArray();
+ imageInputStream = new ByteArrayInputStream(imgData2);
+ checkBitmap(imageInputStream);
+
+ // Read back in the tags
+ mInterface.readExif(imgData2);
+
+ // Check tags
+ for (ExifTag t : mInterface.getAllTags()) {
+ int tid = t.getTagId();
+ if (tid != ExifInterface.getTrueTagKey(tag1)
+ && tid != ExifInterface.getTrueTagKey(tag2)) {
+ checkTagAgainstHash(t, mTestTags);
+ }
+ }
+ assertTrue(Arrays.equals(mInterface.getTagByteValues(tag1), new byte[] {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
+ }));
+ assertTrue(mInterface.getTagStringValue(tag2).equals("yoyo\0"));
+ assertTrue(mInterface.getTagStringValue(tag2, IfdId.TYPE_IFD_GPS).equals("byte\0"));
+
+ } catch (Exception e) {
+ throw new Exception(getImageTitle(), e);
+ } finally {
+ Util.closeSilently(imageInputStream);
+ }
+ }
+
+ @MediumTest
+ public void testInterfaceThumbnails() throws Exception {
+
+ InputStream imageInputStream = null;
+ try {
+ // Check if bitmap is valid
+ byte[] imgData = Util.readToByteArray(getImageInputStream());
+ imageInputStream = new ByteArrayInputStream(imgData);
+ checkBitmap(imageInputStream);
+
+ // Check thumbnails
+ mInterface.readExif(imgData);
+ Bitmap bmap = mInterface.getThumbnailBitmap();
+ assertTrue(getImageTitle(), bmap != null);
+
+ // Make a new thumbnail and set it
+ BitmapFactory.Options opts = new BitmapFactory.Options();
+ opts.inSampleSize = 16;
+ Bitmap thumb = BitmapFactory.decodeByteArray(imgData, 0, imgData.length, opts);
+ assertTrue(getImageTitle(), thumb != null);
+ assertTrue(getImageTitle(), mInterface.setCompressedThumbnail(thumb) == true);
+
+ // Write out image
+ ByteArrayOutputStream outData = new ByteArrayOutputStream();
+ mInterface.writeExif(imgData, outData);
+
+ // Make sure bitmap is still valid
+ byte[] imgData2 = outData.toByteArray();
+ imageInputStream = new ByteArrayInputStream(imgData2);
+ checkBitmap(imageInputStream);
+
+ // Read in bitmap and make sure thumbnail is still valid
+ mInterface.readExif(imgData2);
+ bmap = mInterface.getThumbnailBitmap();
+ assertTrue(getImageTitle(), bmap != null);
+
+ } catch (Exception e) {
+ throw new Exception(getImageTitle(), e);
+ } finally {
+ Util.closeSilently(imageInputStream);
+ }
+ }
+
+ @Override
+ public void setUp() throws Exception {
+ super.setUp();
+ mTmpFile = File.createTempFile("exif_test", ".jpg");
+ mGroundTruth = ExifXmlReader.readXml(getXmlParser());
+
+ mInterface = new ExifInterface();
+
+ // TYPE_UNDEFINED with 4 components
+ mVersionTag = mInterface.buildTag(ExifInterface.TAG_EXIF_VERSION, new byte[] {
+ 5, 4, 3, 2
+ });
+ // TYPE_UNSIGNED_BYTE with 4 components
+ mGpsVersionTag = mInterface.buildTag(ExifInterface.TAG_GPS_VERSION_ID, new byte[] {
+ 6, 7, 8, 9
+ });
+ // TYPE ASCII with arbitary length
+ mModelTag = mInterface.buildTag(ExifInterface.TAG_MODEL, "helloworld");
+ // TYPE_ASCII with 20 components
+ mDateTimeTag = mInterface.buildTag(ExifInterface.TAG_DATE_TIME, "2013:02:11 20:20:20");
+ // 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(2, 2), new Rational(11, 11),
+ new Rational(102, 102)
+ });
+ // TYPE_RATIONAL with 1 components
+ mShutterTag = mInterface
+ .buildTag(ExifInterface.TAG_SHUTTER_SPEED_VALUE, new Rational(4, 6));
+
+ mTestTags = new HashMap<Integer, ExifTag>();
+
+ mTestTags.put(ExifInterface.TAG_EXIF_VERSION, mVersionTag);
+ mTestTags.put(ExifInterface.TAG_GPS_VERSION_ID, mGpsVersionTag);
+ mTestTags.put(ExifInterface.TAG_MODEL, mModelTag);
+ mTestTags.put(ExifInterface.TAG_DATE_TIME, mDateTimeTag);
+ mTestTags.put(ExifInterface.TAG_COMPRESSION, mCompressionTag);
+ mTestTags.put(ExifInterface.TAG_JPEG_INTERCHANGE_FORMAT, mThumbnailFormatTag);
+ mTestTags.put(ExifInterface.TAG_GPS_LONGITUDE, mLongitudeTag);
+ mTestTags.put(ExifInterface.TAG_SHUTTER_SPEED_VALUE, mShutterTag);
+
+ mTagDefinitions = new HashMap<Integer, Integer>();
+ mTagDefinitions.put(ExifInterface.TAG_EXIF_VERSION, 0x04070004);
+ mTagDefinitions.put(ExifInterface.TAG_GPS_VERSION_ID, 0x10010004);
+ mTagDefinitions.put(ExifInterface.TAG_MODEL, 0x03020000);
+ mTagDefinitions.put(ExifInterface.TAG_DATE_TIME, 0x03020014);
+ mTagDefinitions.put(ExifInterface.TAG_COMPRESSION, 0x03030001);
+ mTagDefinitions.put(ExifInterface.TAG_JPEG_INTERCHANGE_FORMAT, 0x02040001);
+ mTagDefinitions.put(ExifInterface.TAG_GPS_LONGITUDE, 0x100a0003);
+ mTagDefinitions.put(ExifInterface.TAG_SHUTTER_SPEED_VALUE, 0x040a0001);
+ }
+
+ @Override
+ public void tearDown() throws Exception {
+ super.tearDown();
+ mTmpFile.delete();
+ }
+
+ // Helper functions
+
+ private void checkTagAgainstXml(ExifTag tag) {
+ List<String> truth = mGroundTruth.get(tag.getIfd()).get(tag.getTagId());
+
+ if (truth == null) {
+ fail(String.format("Unknown Tag %02x", tag.getTagId()) + ", " + getImageTitle());
+ }
+
+ // No value from exiftool.
+ if (truth.contains(null))
+ return;
+
+ String dataString = Util.tagValueToString(tag).trim();
+ assertTrue(String.format("Tag %02x", tag.getTagId()) + ", " + getImageTitle()
+ + ": " + dataString,
+ truth.contains(dataString));
+ }
+
+ private void checkTagsAgainstXml(List<ExifTag> tags) {
+ for (ExifTag t : tags) {
+ checkTagAgainstXml(t);
+ }
+ }
+
+ private void checkTagAgainstHash(ExifTag tag, Map<Integer, ExifTag> testTags) {
+ int tagdef = mInterface.getTagDefinitionForTag(tag);
+ assertTrue(getImageTitle(), tagdef != ExifInterface.TAG_NULL);
+ ExifTag t = testTags.get(tagdef);
+ // Ignore offset tags & other special tags
+ if (!ExifInterface.sBannedDefines.contains(tag.getTagId())) {
+ assertTrue(getImageTitle(), t != null);
+ } else {
+ return;
+ }
+ if (t == tag)
+ return;
+ assertTrue(getImageTitle(), tag.equals(t));
+ assertTrue(getImageTitle(), tag.getDataType() == t.getDataType());
+ assertTrue(getImageTitle(), tag.getTagId() == t.getTagId());
+ assertTrue(getImageTitle(), tag.getIfd() == t.getIfd());
+ assertTrue(getImageTitle(), tag.getComponentCount() == t.getComponentCount());
+ }
+
+ private void checkTagsAgainstHash(List<ExifTag> tags, Map<Integer, ExifTag> testTags) {
+ for (ExifTag t : tags) {
+ checkTagAgainstHash(t, testTags);
+ }
+ }
+
+ private void checkBitmap(InputStream inputStream) throws IOException {
+ Bitmap bmp = BitmapFactory.decodeStream(inputStream);
+ assertTrue(getImageTitle(), bmp != null);
+ }
+
+}