Tests for ExifData

Bug:7192363

Change-Id: Ic74ecad2eff50e26efa85f928ef7904a2c51ecc7

1 files changed, 54 insertions, 0 deletions

diff --git a/tests/src/com/android/gallery3d/exif/ExifDataTest.java b/tests/src/com/android/gallery3d/exif/ExifDataTest.java
new file mode 100644
index 000000000..ba656bfa8
--- /dev/null
+++ b/tests/src/com/android/gallery3d/exif/ExifDataTest.java
@@ -0,0 +1,54 @@
+/*
+ * 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 junit.framework.TestCase;
+
+import java.nio.ByteOrder;
+
+public class ExifDataTest extends TestCase {
+    public void testAddTag() {
+        ExifData exifData = new ExifData(ByteOrder.BIG_ENDIAN);
+        // IFD0 tag
+        exifData.addTag(ExifTag.TAG_MAKE).setValue("test");
+        exifData.addTag(ExifTag.TAG_IMAGE_WIDTH).setValue(1000);
+
+        // EXIF tag
+        exifData.addTag(ExifTag.TAG_ISO_SPEED_RATINGS).setValue(1);
+
+        // GPS tag
+        exifData.addTag(ExifTag.TAG_GPS_ALTITUDE).setValue(new Rational(10, 100));
+
+        // Interoperability tag
+        exifData.addInteroperabilityTag(ExifTag.TAG_INTEROPERABILITY_INDEX).setValue("inter_test");
+
+        // IFD1 tag
+        exifData.addThumbnailTag(ExifTag.TAG_MAKE).setValue("test_thumb");
+        exifData.addThumbnailTag(ExifTag.TAG_IMAGE_WIDTH).setValue(100);
+
+        // check data
+        assertEquals("test", exifData.getTag(ExifTag.TAG_MAKE).getString());
+        assertEquals(1000, exifData.getTag(ExifTag.TAG_IMAGE_WIDTH).getUnsignedLong(0));
+        assertEquals(1, exifData.getTag(ExifTag.TAG_ISO_SPEED_RATINGS).getUnsignedShort(0));
+        assertEquals(new Rational(10, 100),
+                exifData.getTag(ExifTag.TAG_GPS_ALTITUDE).getRational(0));
+        assertEquals("inter_test",
+                exifData.getInteroperabilityTag(ExifTag.TAG_INTEROPERABILITY_INDEX).getString());
+        assertEquals("test_thumb", exifData.getThumbnailTag(ExifTag.TAG_MAKE).getString());
+        assertEquals(100, exifData.getThumbnailTag(ExifTag.TAG_IMAGE_WIDTH).getUnsignedLong(0));
+    }
+}