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Diffstat (limited to 'library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/test/DividerItemDecorationTest.java')
-rw-r--r--library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/test/DividerItemDecorationTest.java334
1 files changed, 167 insertions, 167 deletions
diff --git a/library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/test/DividerItemDecorationTest.java b/library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/test/DividerItemDecorationTest.java
index 9cf33b9..a3a0cfe 100644
--- a/library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/test/DividerItemDecorationTest.java
+++ b/library/recyclerview/test/instrumentation/src/com/android/setupwizardlib/test/DividerItemDecorationTest.java
@@ -28,17 +28,14 @@ import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import android.view.View;
+import android.view.ViewGroup;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-
import com.android.setupwizardlib.DividerItemDecoration;
-
import org.junit.Test;
import org.junit.runner.RunWith;
@@ -46,176 +43,179 @@ import org.junit.runner.RunWith;
@SmallTest
public class DividerItemDecorationTest {
- @Test
- public void testDivider() {
- final DividerItemDecoration decoration = new DividerItemDecoration();
- Drawable divider = new ColorDrawable();
- decoration.setDivider(divider);
- assertSame("Divider should be same as set", divider, decoration.getDivider());
- }
+ @Test
+ public void testDivider() {
+ final DividerItemDecoration decoration = new DividerItemDecoration();
+ Drawable divider = new ColorDrawable();
+ decoration.setDivider(divider);
+ assertSame("Divider should be same as set", divider, decoration.getDivider());
+ }
+
+ @Test
+ public void testDividerHeight() {
+ final DividerItemDecoration decoration = new DividerItemDecoration();
+ decoration.setDividerHeight(123);
+ assertEquals("Divider height should be 123", 123, decoration.getDividerHeight());
+ }
+
+ @Test
+ public void testShouldDrawDividerBelowWithEitherCondition() {
+ // Set up the item decoration, with 1px red divider line
+ final DividerItemDecoration decoration = new DividerItemDecoration();
+ Drawable divider = new ColorDrawable(Color.RED);
+ decoration.setDivider(divider);
+ decoration.setDividerHeight(1);
+
+ Bitmap bitmap = drawDecoration(decoration, true, true);
+
+ // Draw the expected result on a bitmap
+ Bitmap expectedBitmap = Bitmap.createBitmap(20, 20, Bitmap.Config.ARGB_4444);
+ Canvas expectedCanvas = new Canvas(expectedBitmap);
+ Paint paint = new Paint();
+ paint.setColor(Color.RED);
+ expectedCanvas.drawRect(0, 5, 20, 6, paint);
+ expectedCanvas.drawRect(0, 10, 20, 11, paint);
+ expectedCanvas.drawRect(0, 15, 20, 16, paint);
+ // Compare the two bitmaps
+ assertBitmapEquals(expectedBitmap, bitmap);
+
+ bitmap.recycle();
+ bitmap = drawDecoration(decoration, false, true);
+ // should still be the same.
+ assertBitmapEquals(expectedBitmap, bitmap);
+
+ bitmap.recycle();
+ bitmap = drawDecoration(decoration, true, false);
+ // last item should not have a divider below it now
+ paint.setColor(Color.TRANSPARENT);
+ paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
+ expectedCanvas.drawRect(0, 15, 20, 16, paint);
+ assertBitmapEquals(expectedBitmap, bitmap);
+
+ bitmap.recycle();
+ bitmap = drawDecoration(decoration, false, false);
+ // everything should be transparent now
+ expectedCanvas.drawRect(0, 5, 20, 6, paint);
+ expectedCanvas.drawRect(0, 10, 20, 11, paint);
+ assertBitmapEquals(expectedBitmap, bitmap);
+ }
+
+ @Test
+ public void testShouldDrawDividerBelowWithBothCondition() {
+ // Set up the item decoration, with 1px green divider line
+ final DividerItemDecoration decoration = new DividerItemDecoration();
+ Drawable divider = new ColorDrawable(Color.GREEN);
+ decoration.setDivider(divider);
+ decoration.setDividerHeight(1);
+ decoration.setDividerCondition(DividerItemDecoration.DIVIDER_CONDITION_BOTH);
+
+ Bitmap bitmap = drawDecoration(decoration, true, true);
+ Paint paint = new Paint();
+ paint.setColor(Color.GREEN);
+ paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.ADD));
+ Bitmap expectedBitmap = Bitmap.createBitmap(20, 20, Bitmap.Config.ARGB_4444);
+ Canvas expectedCanvas = new Canvas(expectedBitmap);
+ expectedCanvas.drawRect(0, 5, 20, 6, paint);
+ expectedCanvas.drawRect(0, 10, 20, 11, paint);
+ expectedCanvas.drawRect(0, 15, 20, 16, paint);
+ // Should have all the dividers
+ assertBitmapEquals(expectedBitmap, bitmap);
+
+ bitmap.recycle();
+ bitmap = drawDecoration(decoration, false, true);
+ paint.setColor(Color.TRANSPARENT);
+ paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
+ expectedCanvas.drawRect(0, 5, 20, 6, paint);
+ expectedCanvas.drawRect(0, 10, 20, 11, paint);
+ assertBitmapEquals(expectedBitmap, bitmap);
+
+ bitmap.recycle();
+ bitmap = drawDecoration(decoration, true, false);
+ // nothing should be drawn now.
+ expectedCanvas.drawRect(0, 15, 20, 16, paint);
+ assertBitmapEquals(expectedBitmap, bitmap);
+
+ bitmap.recycle();
+ bitmap = drawDecoration(decoration, false, false);
+ assertBitmapEquals(expectedBitmap, bitmap);
+ }
+
+ private Bitmap drawDecoration(
+ DividerItemDecoration decoration,
+ final boolean allowDividerAbove,
+ final boolean allowDividerBelow) {
+ // Set up the canvas to be drawn
+ Bitmap bitmap = Bitmap.createBitmap(20, 20, Bitmap.Config.ARGB_4444);
+ Canvas canvas = new Canvas(bitmap);
+
+ final Context context = InstrumentationRegistry.getContext();
+ // Set up recycler view with vertical linear layout manager
+ RecyclerView testRecyclerView = new RecyclerView(context);
+ testRecyclerView.setLayoutManager(new LinearLayoutManager(context));
+
+ // Set up adapter with 3 items, each 5px tall
+ testRecyclerView.setAdapter(
+ new RecyclerView.Adapter() {
+ @Override
+ public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
+ final View itemView = new View(context);
+ itemView.setMinimumWidth(20);
+ itemView.setMinimumHeight(5);
+ return ViewHolder.createInstance(itemView, allowDividerAbove, allowDividerBelow);
+ }
+
+ @Override
+ public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int i) {}
+
+ @Override
+ public int getItemCount() {
+ return 3;
+ }
+ });
- @Test
- public void testDividerHeight() {
- final DividerItemDecoration decoration = new DividerItemDecoration();
- decoration.setDividerHeight(123);
- assertEquals("Divider height should be 123", 123, decoration.getDividerHeight());
+ testRecyclerView.layout(0, 0, 20, 20);
+ decoration.onDraw(canvas, testRecyclerView, null);
+ return bitmap;
+ }
+
+ private void assertBitmapEquals(Bitmap expected, Bitmap actual) {
+ assertEquals("Width should be the same", expected.getWidth(), actual.getWidth());
+ assertEquals("Height should be the same", expected.getHeight(), actual.getHeight());
+ for (int x = 0; x < expected.getWidth(); x++) {
+ for (int y = 0; y < expected.getHeight(); y++) {
+ assertEquals(
+ "Pixel at (" + x + ", " + y + ") should be the same",
+ expected.getPixel(x, y),
+ actual.getPixel(x, y));
+ }
}
+ }
- @Test
- public void testShouldDrawDividerBelowWithEitherCondition() {
- // Set up the item decoration, with 1px red divider line
- final DividerItemDecoration decoration = new DividerItemDecoration();
- Drawable divider = new ColorDrawable(Color.RED);
- decoration.setDivider(divider);
- decoration.setDividerHeight(1);
-
- Bitmap bitmap = drawDecoration(decoration, true, true);
-
- // Draw the expected result on a bitmap
- Bitmap expectedBitmap = Bitmap.createBitmap(20, 20, Bitmap.Config.ARGB_4444);
- Canvas expectedCanvas = new Canvas(expectedBitmap);
- Paint paint = new Paint();
- paint.setColor(Color.RED);
- expectedCanvas.drawRect(0, 5, 20, 6, paint);
- expectedCanvas.drawRect(0, 10, 20, 11, paint);
- expectedCanvas.drawRect(0, 15, 20, 16, paint);
- // Compare the two bitmaps
- assertBitmapEquals(expectedBitmap, bitmap);
-
- bitmap.recycle();
- bitmap = drawDecoration(decoration, false, true);
- // should still be the same.
- assertBitmapEquals(expectedBitmap, bitmap);
-
- bitmap.recycle();
- bitmap = drawDecoration(decoration, true, false);
- // last item should not have a divider below it now
- paint.setColor(Color.TRANSPARENT);
- paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
- expectedCanvas.drawRect(0, 15, 20, 16, paint);
- assertBitmapEquals(expectedBitmap, bitmap);
-
- bitmap.recycle();
- bitmap = drawDecoration(decoration, false, false);
- // everything should be transparent now
- expectedCanvas.drawRect(0, 5, 20, 6, paint);
- expectedCanvas.drawRect(0, 10, 20, 11, paint);
- assertBitmapEquals(expectedBitmap, bitmap);
+ private static class ViewHolder extends RecyclerView.ViewHolder
+ implements DividerItemDecoration.DividedViewHolder {
- }
+ private boolean mAllowDividerAbove;
+ private boolean mAllowDividerBelow;
- @Test
- public void testShouldDrawDividerBelowWithBothCondition() {
- // Set up the item decoration, with 1px green divider line
- final DividerItemDecoration decoration = new DividerItemDecoration();
- Drawable divider = new ColorDrawable(Color.GREEN);
- decoration.setDivider(divider);
- decoration.setDividerHeight(1);
- decoration.setDividerCondition(DividerItemDecoration.DIVIDER_CONDITION_BOTH);
-
- Bitmap bitmap = drawDecoration(decoration, true, true);
- Paint paint = new Paint();
- paint.setColor(Color.GREEN);
- paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.ADD));
- Bitmap expectedBitmap = Bitmap.createBitmap(20, 20, Bitmap.Config.ARGB_4444);
- Canvas expectedCanvas = new Canvas(expectedBitmap);
- expectedCanvas.drawRect(0, 5, 20, 6, paint);
- expectedCanvas.drawRect(0, 10, 20, 11, paint);
- expectedCanvas.drawRect(0, 15, 20, 16, paint);
- // Should have all the dividers
- assertBitmapEquals(expectedBitmap, bitmap);
-
- bitmap.recycle();
- bitmap = drawDecoration(decoration, false, true);
- paint.setColor(Color.TRANSPARENT);
- paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
- expectedCanvas.drawRect(0, 5, 20, 6, paint);
- expectedCanvas.drawRect(0, 10, 20, 11, paint);
- assertBitmapEquals(expectedBitmap, bitmap);
-
- bitmap.recycle();
- bitmap = drawDecoration(decoration, true, false);
- // nothing should be drawn now.
- expectedCanvas.drawRect(0, 15, 20, 16, paint);
- assertBitmapEquals(expectedBitmap, bitmap);
-
- bitmap.recycle();
- bitmap = drawDecoration(decoration, false, false);
- assertBitmapEquals(expectedBitmap, bitmap);
+ public static ViewHolder createInstance(
+ View itemView, boolean allowDividerAbove, boolean allowDividerBelow) {
+ return new ViewHolder(itemView, allowDividerAbove, allowDividerBelow);
}
- private Bitmap drawDecoration(DividerItemDecoration decoration, final boolean allowDividerAbove,
- final boolean allowDividerBelow) {
- // Set up the canvas to be drawn
- Bitmap bitmap = Bitmap.createBitmap(20, 20, Bitmap.Config.ARGB_4444);
- Canvas canvas = new Canvas(bitmap);
-
- final Context context = InstrumentationRegistry.getContext();
- // Set up recycler view with vertical linear layout manager
- RecyclerView testRecyclerView = new RecyclerView(context);
- testRecyclerView.setLayoutManager(new LinearLayoutManager(context));
-
- // Set up adapter with 3 items, each 5px tall
- testRecyclerView.setAdapter(new RecyclerView.Adapter() {
- @Override
- public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
- final View itemView = new View(context);
- itemView.setMinimumWidth(20);
- itemView.setMinimumHeight(5);
- return ViewHolder.createInstance(itemView, allowDividerAbove, allowDividerBelow);
- }
-
- @Override
- public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int i) {
- }
-
- @Override
- public int getItemCount() {
- return 3;
- }
- });
-
- testRecyclerView.layout(0, 0, 20, 20);
- decoration.onDraw(canvas, testRecyclerView, null);
- return bitmap;
+ private ViewHolder(View itemView, boolean allowDividerAbove, boolean allowDividerBelow) {
+ super(itemView);
+ mAllowDividerAbove = allowDividerAbove;
+ mAllowDividerBelow = allowDividerBelow;
}
- private void assertBitmapEquals(Bitmap expected, Bitmap actual) {
- assertEquals("Width should be the same", expected.getWidth(), actual.getWidth());
- assertEquals("Height should be the same", expected.getHeight(), actual.getHeight());
- for (int x = 0; x < expected.getWidth(); x++) {
- for (int y = 0; y < expected.getHeight(); y++) {
- assertEquals("Pixel at (" + x + ", " + y + ") should be the same",
- expected.getPixel(x, y), actual.getPixel(x, y));
- }
- }
+ @Override
+ public boolean isDividerAllowedAbove() {
+ return mAllowDividerAbove;
}
- private static class ViewHolder extends RecyclerView.ViewHolder
- implements DividerItemDecoration.DividedViewHolder {
-
- private boolean mAllowDividerAbove;
- private boolean mAllowDividerBelow;
-
- public static ViewHolder createInstance(View itemView, boolean allowDividerAbove,
- boolean allowDividerBelow) {
- return new ViewHolder(itemView, allowDividerAbove, allowDividerBelow);
- }
-
- private ViewHolder(View itemView, boolean allowDividerAbove, boolean allowDividerBelow) {
- super(itemView);
- mAllowDividerAbove = allowDividerAbove;
- mAllowDividerBelow = allowDividerBelow;
- }
-
- @Override
- public boolean isDividerAllowedAbove() {
- return mAllowDividerAbove;
- }
-
- @Override
- public boolean isDividerAllowedBelow() {
- return mAllowDividerBelow;
- }
+ @Override
+ public boolean isDividerAllowedBelow() {
+ return mAllowDividerBelow;
}
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-26 18:10:20 +0000