1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.gallery3d.exif; 18 19 import junit.framework.TestCase; 20 21 import java.nio.ByteOrder; 22 23 public class ExifDataTest extends TestCase { testAddTag()24 public void testAddTag() { 25 ExifData exifData = new ExifData(ByteOrder.BIG_ENDIAN); 26 // IFD0 tag 27 exifData.addTag(ExifTag.TAG_MAKE).setValue("test"); 28 exifData.addTag(ExifTag.TAG_IMAGE_WIDTH).setValue(1000); 29 30 // EXIF tag 31 exifData.addTag(ExifTag.TAG_ISO_SPEED_RATINGS).setValue(1); 32 33 // GPS tag 34 exifData.addTag(ExifTag.TAG_GPS_ALTITUDE).setValue(new Rational(10, 100)); 35 36 // Interoperability tag 37 exifData.addInteroperabilityTag(ExifTag.TAG_INTEROPERABILITY_INDEX).setValue("inter_test"); 38 39 // IFD1 tag 40 exifData.addThumbnailTag(ExifTag.TAG_MAKE).setValue("test_thumb"); 41 exifData.addThumbnailTag(ExifTag.TAG_IMAGE_WIDTH).setValue(100); 42 43 // check data 44 assertEquals("test", exifData.getTag(ExifTag.TAG_MAKE).getString()); 45 assertEquals(1000, exifData.getTag(ExifTag.TAG_IMAGE_WIDTH).getUnsignedLong(0)); 46 assertEquals(1, exifData.getTag(ExifTag.TAG_ISO_SPEED_RATINGS).getUnsignedShort(0)); 47 assertEquals(new Rational(10, 100), 48 exifData.getTag(ExifTag.TAG_GPS_ALTITUDE).getRational(0)); 49 assertEquals("inter_test", 50 exifData.getInteroperabilityTag(ExifTag.TAG_INTEROPERABILITY_INDEX).getString()); 51 assertEquals("test_thumb", exifData.getThumbnailTag(ExifTag.TAG_MAKE).getString()); 52 assertEquals(100, exifData.getThumbnailTag(ExifTag.TAG_IMAGE_WIDTH).getUnsignedLong(0)); 53 } 54 } 55