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      1 package com.xtremelabs.robolectric.shadows;
      2 
      3 import android.graphics.Bitmap;
      4 import android.graphics.BitmapFactory;
      5 import android.net.Uri;
      6 import android.provider.MediaStore;
      7 import com.xtremelabs.robolectric.R;
      8 import com.xtremelabs.robolectric.Robolectric;
      9 import com.xtremelabs.robolectric.WithTestDefaultsRunner;
     10 import org.junit.Test;
     11 import org.junit.runner.RunWith;
     12 
     13 import java.io.InputStream;
     14 
     15 import static com.xtremelabs.robolectric.Robolectric.shadowOf;
     16 import static org.junit.Assert.assertEquals;
     17 
     18 @RunWith(WithTestDefaultsRunner.class)
     19 public class BitmapFactoryTest {
     20     @Test
     21     public void decodeResource_shouldSetDescription() throws Exception {
     22         Bitmap bitmap = BitmapFactory.decodeResource(Robolectric.application.getResources(), R.drawable.an_image);
     23         assertEquals("Bitmap for resource:drawable/an_image", shadowOf(bitmap).getDescription());
     24         assertEquals(100, bitmap.getWidth());
     25         assertEquals(100, bitmap.getHeight());
     26     }
     27 
     28     @Test
     29     public void decodeResourceWithOpts_shouldSetDescription() throws Exception {
     30         BitmapFactory.Options opts = new BitmapFactory.Options();
     31         Bitmap bitmap = BitmapFactory.decodeResource(Robolectric.application.getResources(), R.drawable.an_image, opts);
     32         assertEquals("Bitmap for resource:drawable/an_image", shadowOf(bitmap).getDescription());
     33         assertEquals(100, bitmap.getWidth());
     34         assertEquals(100, bitmap.getHeight());
     35         assertEquals(100, opts.outWidth);
     36         assertEquals(100, opts.outHeight);
     37     }
     38 
     39     @Test
     40     public void decodeFile_shouldSetDescription() throws Exception {
     41         Bitmap bitmap = BitmapFactory.decodeFile("/some/file.jpg");
     42         assertEquals("Bitmap for file:/some/file.jpg", shadowOf(bitmap).getDescription());
     43         assertEquals(100, bitmap.getWidth());
     44         assertEquals(100, bitmap.getHeight());
     45     }
     46 
     47     @Test
     48     public void decodeStream_shouldSetDescription() throws Exception {
     49         InputStream inputStream = Robolectric.application.getContentResolver().openInputStream(Uri.parse("content:/path"));
     50         Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
     51         assertEquals("Bitmap for content:/path", shadowOf(bitmap).getDescription());
     52         assertEquals(100, bitmap.getWidth());
     53         assertEquals(100, bitmap.getHeight());
     54     }
     55 
     56     @Test
     57     public void decodeResource_shouldGetWidthAndHeightFromHints() throws Exception {
     58         ShadowBitmapFactory.provideWidthAndHeightHints(R.drawable.an_image, 123, 456);
     59 
     60         Bitmap bitmap = BitmapFactory.decodeResource(Robolectric.application.getResources(), R.drawable.an_image);
     61         assertEquals("Bitmap for resource:drawable/an_image", shadowOf(bitmap).getDescription());
     62         assertEquals(123, bitmap.getWidth());
     63         assertEquals(456, bitmap.getHeight());
     64     }
     65 
     66     @Test
     67     public void decodeResourceWithOpts_shouldGetWidthAndHeightFromHints() throws Exception {
     68         ShadowBitmapFactory.provideWidthAndHeightHints(R.drawable.an_image, 123, 456);
     69 
     70         BitmapFactory.Options opts = new BitmapFactory.Options();
     71         Bitmap bitmap = BitmapFactory.decodeResource(Robolectric.application.getResources(), R.drawable.an_image, opts);
     72         assertEquals("Bitmap for resource:drawable/an_image", shadowOf(bitmap).getDescription());
     73         assertEquals(123, bitmap.getWidth());
     74         assertEquals(456, bitmap.getHeight());
     75         assertEquals(123, opts.outWidth);
     76         assertEquals(456, opts.outHeight);
     77     }
     78 
     79     @Test
     80     public void decodeResource_canTakeOptions() throws Exception {
     81     	BitmapFactory.Options options = new BitmapFactory.Options();
     82     	options.inSampleSize = 100;
     83         Bitmap bitmap = BitmapFactory.decodeResource(Robolectric.application.getResources(), R.drawable.an_image, options);
     84         assertEquals(true, shadowOf(bitmap).getDescription().contains("inSampleSize=100"));
     85     }
     86 
     87     @Test
     88     public void decodeFile_shouldGetWidthAndHeightFromHints() throws Exception {
     89         ShadowBitmapFactory.provideWidthAndHeightHints("/some/file.jpg", 123, 456);
     90 
     91         Bitmap bitmap = BitmapFactory.decodeFile("/some/file.jpg");
     92         assertEquals("Bitmap for file:/some/file.jpg", shadowOf(bitmap).getDescription());
     93         assertEquals(123, bitmap.getWidth());
     94         assertEquals(456, bitmap.getHeight());
     95     }
     96 
     97     @Test
     98     public void decodeFileEtc_shouldSetOptionsOutWidthAndOutHeightFromHints() throws Exception {
     99         ShadowBitmapFactory.provideWidthAndHeightHints("/some/file.jpg", 123, 456);
    100 
    101         BitmapFactory.Options options = new BitmapFactory.Options();
    102         BitmapFactory.decodeFile("/some/file.jpg", options);
    103         assertEquals(123, options.outWidth);
    104         assertEquals(456, options.outHeight);
    105     }
    106 
    107     @Test
    108     public void decodeUri_shouldGetWidthAndHeightFromHints() throws Exception {
    109         ShadowBitmapFactory.provideWidthAndHeightHints(Uri.parse("content:/path"), 123, 456);
    110 
    111         Bitmap bitmap = MediaStore.Images.Media.getBitmap(Robolectric.application.getContentResolver(), Uri.parse("content:/path"));
    112         assertEquals("Bitmap for content:/path", shadowOf(bitmap).getDescription());
    113         assertEquals(123, bitmap.getWidth());
    114         assertEquals(456, bitmap.getHeight());
    115     }
    116 
    117     @Test
    118     public void decodeStream_shouldGetWidthAndHeightFromHints() throws Exception {
    119         ShadowBitmapFactory.provideWidthAndHeightHints(Uri.parse("content:/path"), 123, 456);
    120 
    121         InputStream inputStream = Robolectric.application.getContentResolver().openInputStream(Uri.parse("content:/path"));
    122         Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
    123         assertEquals("Bitmap for content:/path", shadowOf(bitmap).getDescription());
    124         assertEquals(123, bitmap.getWidth());
    125         assertEquals(456, bitmap.getHeight());
    126     }
    127 }
    128