commit e3e4d7b4a8e109b2676766c859831452183e7345
author Wu-cheng Li <wuchengli@google.com> Thu Dec 29 16:58:37 2011 +0800
committer Wu-cheng Li <wuchengli@google.com> Thu Dec 29 17:27:56 2011 +0800
tree 54fc53504cb0d991a931519676cf65390eaf09e7
parent 98caf9a765885f0312116bc574498273cd80d1a6

Add camera test to ensure Datetime EXIF is localtime.

bug:5796004
Change-Id: I30c3c12ded07ed7cc5f3a869f95a35e5887c38f6

tests/tests/hardware/src/android/hardware/cts/CameraTest.java

diff --git a/tests/tests/hardware/src/android/hardware/cts/CameraTest.java b/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
index c6c4a44..44b79b1 100644
--- a/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
+++ b/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
@@ -50,8 +50,10 @@
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Date;
 import java.util.Iterator;
 import java.util.List;
 
@@ -869,12 +871,21 @@
         Camera.Parameters parameters = mCamera.getParameters();
         if (!recording) mCamera.startPreview();
         double focalLength = parameters.getFocalLength();
+        Date date = new Date(System.currentTimeMillis());
+        String localDatetime = new SimpleDateFormat("yyyy:MM:dd HH:").format(date);
+
         mCamera.takePicture(mShutterCallback, mRawPictureCallback, mJpegPictureCallback);
         waitForSnapshotDone();
+
+        // Test various exif tags.
         ExifInterface exif = new ExifInterface(JPEG_PATH);
         assertNotNull(exif.getAttribute(ExifInterface.TAG_MAKE));
         assertNotNull(exif.getAttribute(ExifInterface.TAG_MODEL));
-        assertNotNull(exif.getAttribute(ExifInterface.TAG_DATETIME));
+        String datetime = exif.getAttribute(ExifInterface.TAG_DATETIME);
+        assertNotNull(datetime);
+        // Datetime should be local time.
+        assertTrue(datetime.startsWith(localDatetime));
+        assertTrue(datetime.length() == 19); // EXIF spec is "YYYY:MM:DD HH:MM:SS".
         assertTrue(exif.getAttributeInt(ExifInterface.TAG_IMAGE_WIDTH, 0) != 0);
         assertTrue(exif.getAttributeInt(ExifInterface.TAG_IMAGE_LENGTH, 0) != 0);
         checkGpsDataNull(exif);