| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.graphics.drawable.cts; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.fail; |
| |
| import android.content.res.Resources; |
| import android.content.res.XmlResourceParser; |
| import android.graphics.Bitmap; |
| import android.graphics.Bitmap.Config; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.PixelFormat; |
| import android.graphics.PorterDuff.Mode; |
| import android.graphics.PorterDuffColorFilter; |
| import android.graphics.cts.R; |
| import android.graphics.drawable.ColorDrawable; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.util.AttributeSet; |
| import android.util.Xml; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class ColorDrawableTest { |
| @Test |
| public void testConstructors() { |
| new ColorDrawable(); |
| new ColorDrawable(0); |
| new ColorDrawable(1); |
| } |
| |
| @Test |
| public void testAccessAlpha() { |
| ColorDrawable colorDrawable = new ColorDrawable(); |
| assertEquals(0, colorDrawable.getAlpha()); |
| |
| colorDrawable.setAlpha(128); |
| assertEquals(0, colorDrawable.getAlpha()); |
| |
| colorDrawable = new ColorDrawable(1 << 24); |
| assertEquals(1, colorDrawable.getAlpha()); |
| |
| colorDrawable.setAlpha(128); |
| assertEquals(0, colorDrawable.getAlpha()); |
| |
| colorDrawable.setAlpha(255); |
| assertEquals(1, colorDrawable.getAlpha()); |
| } |
| |
| @Test |
| public void testGetChangingConfigurations() { |
| final ColorDrawable colorDrawable = new ColorDrawable(); |
| assertEquals(0, colorDrawable.getChangingConfigurations()); |
| |
| colorDrawable.setChangingConfigurations(1); |
| assertEquals(1, colorDrawable.getChangingConfigurations()); |
| |
| colorDrawable.setChangingConfigurations(Integer.MIN_VALUE); |
| assertEquals(Integer.MIN_VALUE, colorDrawable.getChangingConfigurations()); |
| |
| colorDrawable.setChangingConfigurations(Integer.MAX_VALUE); |
| assertEquals(Integer.MAX_VALUE, colorDrawable.getChangingConfigurations()); |
| } |
| |
| @Test |
| public void testGetConstantState() { |
| final ColorDrawable colorDrawable = new ColorDrawable(); |
| assertNotNull(colorDrawable.getConstantState()); |
| assertEquals(colorDrawable.getChangingConfigurations(), |
| colorDrawable.getConstantState().getChangingConfigurations()); |
| } |
| |
| @Test |
| public void testGetOpacity() { |
| ColorDrawable colorDrawable = new ColorDrawable(); |
| assertEquals(PixelFormat.TRANSPARENT, colorDrawable.getOpacity()); |
| |
| colorDrawable = new ColorDrawable(255 << 24); |
| assertEquals(PixelFormat.OPAQUE, colorDrawable.getOpacity()); |
| |
| colorDrawable = new ColorDrawable(1 << 24); |
| assertEquals(PixelFormat.TRANSLUCENT, colorDrawable.getOpacity()); |
| } |
| |
| @Test |
| public void testInflate() throws XmlPullParserException, IOException { |
| int eventType = -1; |
| final ColorDrawable colorDrawable = new ColorDrawable(); |
| |
| Resources resources = InstrumentationRegistry.getTargetContext().getResources(); |
| final XmlPullParser parser = resources.getXml(R.drawable.colordrawable_test); |
| // start to parse XML document |
| while (eventType != XmlResourceParser.START_TAG |
| && eventType != XmlResourceParser.END_DOCUMENT) { |
| try { |
| eventType = parser.next(); |
| } catch (XmlPullParserException e) { |
| fail(e.getMessage()); |
| } catch (IOException e) { |
| fail(e.getMessage()); |
| } |
| } |
| if (eventType == XmlResourceParser.START_TAG) { |
| final AttributeSet attrs = Xml.asAttributeSet(parser); |
| colorDrawable.inflate(resources, parser, attrs); |
| // set the alpha to 2 in colordrawable_test.xml |
| assertEquals(2, colorDrawable.getAlpha()); |
| } else { |
| fail("XML parser didn't find the start element of the specified xml file."); |
| } |
| } |
| |
| @Test |
| public void testSetColorFilter() { |
| final ColorDrawable d = new ColorDrawable(Color.WHITE); |
| assertEquals(Color.WHITE, DrawableTestUtils.getPixel(d, 0, 0)); |
| |
| d.setColorFilter(Color.BLACK, Mode.SRC_OVER); |
| assertEquals(Color.BLACK, DrawableTestUtils.getPixel(d, 0, 0)); |
| |
| d.setColorFilter(new PorterDuffColorFilter(Color.BLACK, Mode.SRC_OVER)); |
| assertEquals(Color.BLACK, DrawableTestUtils.getPixel(d, 0, 0)); |
| } |
| |
| @Test |
| public void testSetTint() { |
| final ColorDrawable d = new ColorDrawable(Color.WHITE); |
| assertEquals(Color.WHITE, DrawableTestUtils.getPixel(d, 0, 0)); |
| |
| d.setTint(Color.BLACK); |
| d.setTintMode(Mode.SRC_OVER); |
| assertEquals(Color.BLACK, DrawableTestUtils.getPixel(d, 0, 0)); |
| } |
| |
| @Test |
| public void testDraw() { |
| final ColorDrawable d = new ColorDrawable(Color.WHITE); |
| final Bitmap b = Bitmap.createBitmap(1, 1, Config.ARGB_8888); |
| final Canvas c = new Canvas(b); |
| d.setBounds(0, 0, 1, 1); |
| d.draw(c); |
| final int pixel = b.getPixel(0, 0); |
| b.recycle(); |
| assertEquals(Color.WHITE, pixel); |
| } |
| } |