Add tests for Bitmap.reconfigure and related methods
bug:9797004
Change-Id: Ic42718b0d1daaf3feb602a46a727fa99f764cd4d
diff --git a/tests/tests/graphics/src/android/graphics/cts/BitmapTest.java b/tests/tests/graphics/src/android/graphics/cts/BitmapTest.java
index cf211b6..b6621e8 100644
--- a/tests/tests/graphics/src/android/graphics/cts/BitmapTest.java
+++ b/tests/tests/graphics/src/android/graphics/cts/BitmapTest.java
@@ -376,6 +376,22 @@
assertEquals(0x00, Color.alpha(color));
}
+ public void testGetAllocationByteCount() {
+ mBitmap = Bitmap.createBitmap(100, 200, Bitmap.Config.ALPHA_8);
+ int alloc = mBitmap.getAllocationByteCount();
+ assertEquals(mBitmap.getByteCount(), alloc);
+
+ // reconfigure same size
+ mBitmap.reconfigure(50, 100, Bitmap.Config.ARGB_8888);
+ assertEquals(mBitmap.getByteCount(), alloc);
+ assertEquals(mBitmap.getAllocationByteCount(), alloc);
+
+ // reconfigure different size
+ mBitmap.reconfigure(10, 10, Bitmap.Config.ALPHA_8);
+ assertEquals(mBitmap.getByteCount(), 100);
+ assertEquals(mBitmap.getAllocationByteCount(), alloc);
+ }
+
public void testGetConfig(){
Bitmap bm0 = Bitmap.createBitmap(100, 200, Bitmap.Config.ALPHA_8);
Bitmap bm1 = Bitmap.createBitmap(100, 200, Bitmap.Config.ARGB_8888);
@@ -465,6 +481,81 @@
assertTrue(mBitmap.isRecycled());
}
+ public void testReconfigure() {
+ mBitmap = Bitmap.createBitmap(100, 200, Bitmap.Config.RGB_565);
+ int alloc = mBitmap.getAllocationByteCount();
+
+ // test shrinking
+ mBitmap.reconfigure(50, 100, Bitmap.Config.ALPHA_8);
+ assertEquals(mBitmap.getAllocationByteCount(), alloc);
+ assertEquals(mBitmap.getByteCount() * 8, alloc);
+
+ // test expanding
+ try {
+ mBitmap.reconfigure(101, 201, Bitmap.Config.ARGB_8888);
+ fail("shouldn't come to here");
+ } catch (IllegalArgumentException e) {
+ }
+
+ // test mutable
+ mBitmap = BitmapFactory.decodeResource(mRes, R.drawable.start, mOptions);
+ try {
+ mBitmap.reconfigure(1, 1, Bitmap.Config.ALPHA_8);
+ fail("shouldn't come to here");
+ } catch (IllegalStateException e) {
+ }
+ }
+
+ public void testSetConfig() {
+ mBitmap = Bitmap.createBitmap(100, 200, Bitmap.Config.RGB_565);
+ int alloc = mBitmap.getAllocationByteCount();
+
+ // test shrinking
+ mBitmap.setConfig(Bitmap.Config.ALPHA_8);
+ assertEquals(mBitmap.getAllocationByteCount(), alloc);
+ assertEquals(mBitmap.getByteCount() * 2, alloc);
+
+ // test expanding
+ try {
+ mBitmap.setConfig(Bitmap.Config.ARGB_8888);
+ fail("shouldn't come to here");
+ } catch (IllegalArgumentException e) {
+ }
+
+ // test mutable
+ mBitmap = BitmapFactory.decodeResource(mRes, R.drawable.start, mOptions);
+ try {
+ mBitmap.setConfig(Bitmap.Config.ALPHA_8);
+ fail("shouldn't come to here");
+ } catch (IllegalStateException e) {
+ }
+ }
+
+ public void testSetHeight() {
+ mBitmap = Bitmap.createBitmap(100, 200, Bitmap.Config.ARGB_8888);
+ int alloc = mBitmap.getAllocationByteCount();
+
+ // test shrinking
+ mBitmap.setHeight(100);
+ assertEquals(mBitmap.getAllocationByteCount(), alloc);
+ assertEquals(mBitmap.getByteCount() * 2, alloc);
+
+ // test expanding
+ try {
+ mBitmap.setHeight(201);
+ fail("shouldn't come to here");
+ } catch (IllegalArgumentException e) {
+ }
+
+ // test mutable
+ mBitmap = BitmapFactory.decodeResource(mRes, R.drawable.start, mOptions);
+ try {
+ mBitmap.setHeight(1);
+ fail("shouldn't come to here");
+ } catch (IllegalStateException e) {
+ }
+ }
+
public void testSetPixel(){
int color = 0xff << 24;
@@ -604,6 +695,31 @@
}
}
+ public void testSetWidth() {
+ mBitmap = Bitmap.createBitmap(100, 200, Bitmap.Config.ARGB_8888);
+ int alloc = mBitmap.getAllocationByteCount();
+
+ // test shrinking
+ mBitmap.setWidth(50);
+ assertEquals(mBitmap.getAllocationByteCount(), alloc);
+ assertEquals(mBitmap.getByteCount() * 2, alloc);
+
+ // test expanding
+ try {
+ mBitmap.setWidth(101);
+ fail("shouldn't come to here");
+ } catch (IllegalArgumentException e) {
+ }
+
+ // test mutable
+ mBitmap = BitmapFactory.decodeResource(mRes, R.drawable.start, mOptions);
+ try {
+ mBitmap.setWidth(1);
+ fail("shouldn't come to here");
+ } catch (IllegalStateException e) {
+ }
+ }
+
public void testWriteToParcel(){
mBitmap.recycle();
