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package org.robolectric.shadows;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.TruthJUnit.assume;
import static org.junit.Assert.assertNotNull;
import static org.robolectric.Shadows.shadowOf;
import android.app.Application;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.VectorDrawable;
import android.os.Build;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.R;
import org.robolectric.annotation.Config;
@RunWith(AndroidJUnit4.class)
public class ShadowDrawableTest {
private Application context;
@Before
public void setUp() throws Exception {
context = ApplicationProvider.getApplicationContext();
}
@Test
public void createFromResourceStream_shouldWorkWithoutSourceName() {
Drawable drawable =
Drawable.createFromResourceStream(
context.getResources(), null, createImageStream(), null, new BitmapFactory.Options());
assertNotNull(drawable);
}
@Test
public void copyBoundsWithPassedRect() {
Drawable drawable = Drawable.createFromStream(createImageStream(), "my_source");
drawable.setBounds(1, 2, 3, 4);
Rect r = new Rect();
drawable.copyBounds(r);
assertThat(r.left).isEqualTo(1);
assertThat(r.top).isEqualTo(2);
assertThat(r.right).isEqualTo(3);
assertThat(r.bottom).isEqualTo(4);
}
@Test
public void copyBoundsToReturnedRect() {
Drawable drawable = Drawable.createFromStream(createImageStream(), "my_source");
drawable.setBounds(1, 2, 3, 4);
Rect r = drawable.copyBounds();
assertThat(r.left).isEqualTo(1);
assertThat(r.top).isEqualTo(2);
assertThat(r.right).isEqualTo(3);
assertThat(r.bottom).isEqualTo(4);
}
@Test
public void testGetLoadedFromResourceId_shouldDefaultToNegativeOne() {
Drawable drawable = new TestDrawable();
assertThat(shadowOf(drawable).getCreatedFromResId()).isEqualTo(-1);
}
@Test
public void testCreateFromResourceId_shouldSetTheId() {
Drawable drawable = ShadowDrawable.createFromResourceId(34758);
ShadowDrawable shadowDrawable = shadowOf(drawable);
assertThat(shadowDrawable.getCreatedFromResId()).isEqualTo(34758);
}
@Test
public void testWasSelfInvalidated() {
Drawable drawable = ShadowDrawable.createFromResourceId(34758);
ShadowDrawable shadowDrawable = shadowOf(drawable);
assertThat(shadowDrawable.wasInvalidated()).isFalse();
drawable.invalidateSelf();
assertThat(shadowDrawable.wasInvalidated()).isTrue();
}
@Test
public void shouldLoadNinePatchFromDrawableXml() {
assertThat(context.getResources().getDrawable(R.drawable.drawable_with_nine_patch)).isNotNull();
}
@Test public void settingBoundsShouldInvokeCallback() {
TestDrawable drawable = new TestDrawable();
assertThat(drawable.boundsChanged).isFalse();
drawable.setBounds(0, 0, 10, 10);
assertThat(drawable.boundsChanged).isTrue();
}
@Test
public void drawableIntrinsicWidthAndHeightShouldBeCorrect() {
final Drawable anImage = context.getResources().getDrawable(R.drawable.an_image);
assertThat(anImage.getIntrinsicHeight()).isEqualTo(53);
assertThat(anImage.getIntrinsicWidth()).isEqualTo(64);
}
@Test
@Config(qualifiers = "mdpi")
public void drawableShouldLoadImageOfCorrectSizeWithMdpiQualifier() {
final Drawable anImage = context.getResources().getDrawable(R.drawable.robolectric);
assertThat(anImage.getIntrinsicHeight()).isEqualTo(167);
assertThat(anImage.getIntrinsicWidth()).isEqualTo(198);
}
@Test
@Config(qualifiers = "hdpi")
public void drawableShouldLoadImageOfCorrectSizeWithHdpiQualifier() {
if (Build.VERSION.SDK_INT >= 28) {
// getDrawable depends on ImageDecoder, which depends on binary resources
assume().that(ShadowAssetManager.useLegacy()).isFalse();
}
final Drawable anImage = context.getResources().getDrawable(R.drawable.robolectric);
assertThat(anImage.getIntrinsicHeight()).isEqualTo(251);
assertThat(anImage.getIntrinsicWidth()).isEqualTo(297);
}
@Test
public void testGetBitmapOrVectorDrawableAt21() {
final Drawable aDrawable = context.getResources().getDrawable(R.drawable.an_image_or_vector);
assertThat(aDrawable).isInstanceOf(VectorDrawable.class);
}
private static class TestDrawable extends Drawable {
public boolean boundsChanged;
@Override
public void draw(Canvas canvas) {
}
@Override
public void setAlpha(int alpha) {
}
@Override
public void setColorFilter(ColorFilter cf) {
}
@Override
public int getOpacity() {
return 0;
}
@Override protected void onBoundsChange(Rect bounds) {
boundsChanged = true;
super.onBoundsChange(bounds);
}
}
private static ByteArrayInputStream createImageStream() {
Bitmap bitmap = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
bitmap.compress(CompressFormat.PNG, 100, outputStream);
return new ByteArrayInputStream(outputStream.toByteArray());
}
}
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