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      1 /*
      2  * Copyright (C) 2010 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 android.graphics;
     18 
     19 import android.os.ParcelFileDescriptor;
     20 import android.test.suitebuilder.annotation.SmallTest;
     21 
     22 import junit.framework.TestCase;
     23 
     24 import java.io.ByteArrayOutputStream;
     25 import java.io.FileDescriptor;
     26 
     27 
     28 public class BitmapFactoryTest extends TestCase {
     29 
     30     // tests that we can decode bitmaps from MemoryFiles
     31     @SmallTest
     32     public void testBitmapParcelFileDescriptor() throws Exception {
     33         Bitmap bitmap1 = Bitmap.createBitmap(
     34                 new int[] { Color.BLUE }, 1, 1, Bitmap.Config.RGB_565);
     35         ByteArrayOutputStream out = new ByteArrayOutputStream();
     36         bitmap1.compress(Bitmap.CompressFormat.PNG, 100, out);
     37         ParcelFileDescriptor pfd = ParcelFileDescriptor.fromData(out.toByteArray(), null);
     38         FileDescriptor fd = pfd.getFileDescriptor();
     39         assertNotNull("Got null FileDescriptor", fd);
     40         assertTrue("Got invalid FileDescriptor", fd.valid());
     41         Bitmap bitmap = BitmapFactory.decodeFileDescriptor(fd);
     42         assertNotNull("BitmapFactory returned null", bitmap);
     43         assertEquals("Bitmap width", 1, bitmap.getWidth());
     44         assertEquals("Bitmap height", 1, bitmap.getHeight());
     45     }
     46 
     47 }
     48