1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
package com.android.tv.util;
import static org.junit.Assert.assertEquals;
import android.graphics.Bitmap;
import android.support.test.filters.SmallTest;
import com.android.tv.util.BitmapUtils.ScaledBitmapInfo;
import org.junit.Test;
/**
* Tests for {@link ScaledBitmapInfo}.
*/
@SmallTest
public class ScaledBitmapInfoTest {
private static final Bitmap B80x100 = Bitmap.createBitmap(80, 100, Bitmap.Config.RGB_565);
private static final Bitmap B960x1440 = Bitmap.createBitmap(960, 1440, Bitmap.Config.RGB_565);
@Test
public void testSize_B100x100to50x50() {
ScaledBitmapInfo actual = BitmapUtils.createScaledBitmapInfo("B80x100", B80x100, 50, 50);
assertScaledBitmapSize(2, 40, 50, actual);
}
@Test
public void testNeedsToReload_B100x100to50x50() {
ScaledBitmapInfo actual = BitmapUtils.createScaledBitmapInfo("B80x100", B80x100, 50, 50);
assertNeedsToReload(false, actual, 25, 25);
assertNeedsToReload(false, actual, 50, 50);
assertNeedsToReload(false, actual, 99, 99);
assertNeedsToReload(true, actual, 100, 100);
assertNeedsToReload(true, actual, 101, 101);
}
/**
* Reproduces <a href="http://b/20488453">b/20488453</a>.
*/
@Test
public void testBug20488453() {
ScaledBitmapInfo actual = BitmapUtils
.createScaledBitmapInfo("B960x1440", B960x1440, 284, 160);
assertScaledBitmapSize(8, 107, 160, actual);
assertNeedsToReload(false, actual, 284, 160);
}
private static void assertNeedsToReload(boolean expected, ScaledBitmapInfo scaledBitmap,
int reqWidth, int reqHeight) {
assertEquals(scaledBitmap.id + " needToReload(" + reqWidth + "," + reqHeight + ")",
expected, scaledBitmap.needToReload(reqWidth, reqHeight));
}
private static void assertScaledBitmapSize(int expectedInSampleSize, int expectedWidth,
int expectedHeight, ScaledBitmapInfo actual) {
assertEquals(actual.id + " inSampleSize", expectedInSampleSize, actual.inSampleSize);
assertEquals(actual.id + " width", expectedWidth, actual.bitmap.getWidth());
assertEquals(actual.id + " height", expectedHeight, actual.bitmap.getHeight());
}
}
|
