1/* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16package android.support.v7.app; 17 18import static org.junit.Assert.assertEquals; 19 20import android.app.Activity; 21import android.graphics.Bitmap; 22import android.graphics.Canvas; 23import android.graphics.Color; 24import android.graphics.drawable.Drawable; 25import android.os.Build; 26import android.support.test.annotation.UiThreadTest; 27import android.support.test.rule.ActivityTestRule; 28import android.support.test.runner.AndroidJUnit4; 29import android.support.v7.appcompat.test.R; 30import android.test.suitebuilder.annotation.SmallTest; 31import android.view.View; 32import android.widget.ImageView; 33 34import org.junit.Before; 35import org.junit.Rule; 36import org.junit.Test; 37import org.junit.runner.RunWith; 38 39@SmallTest 40@RunWith(AndroidJUnit4.class) 41public class AppCompatVectorDrawableIntegrationTest { 42 @Rule 43 public final ActivityTestRule<AppCompatVectorDrawableIntegrationActivity> mActivityTestRule; 44 45 private Bitmap mBitmap; 46 private Canvas mCanvas; 47 48 private static final int WIDTH = 64; 49 private static final int HEIGHT = 64; 50 private static final int LEFT_CENTER_X = WIDTH / 4; 51 private static final int RIGHT_CENTER_X = WIDTH * 3 / 4; 52 private static final int CENTER_Y = HEIGHT / 2; 53 54 public AppCompatVectorDrawableIntegrationTest() { 55 mActivityTestRule = 56 new ActivityTestRule<>(AppCompatVectorDrawableIntegrationActivity.class); 57 } 58 59 @Before 60 public void setup() { 61 mBitmap = Bitmap.createBitmap(WIDTH, HEIGHT, Bitmap.Config.ARGB_8888); 62 mCanvas = new Canvas(mBitmap); 63 } 64 65 @Test 66 @UiThreadTest 67 public void testVectorDrawableAutoMirrored() { 68 Activity activity = mActivityTestRule.getActivity(); 69 ImageView view1 = (ImageView) activity.findViewById(R.id.view_vector_1); 70 Drawable vectorDrawable = view1.getDrawable(); 71 // We update the bounds here for writing into the bitmap correctly. 72 vectorDrawable.setBounds(0, 0, WIDTH, HEIGHT); 73 vectorDrawable.draw(mCanvas); 74 75 int leftColor = mBitmap.getPixel(LEFT_CENTER_X, CENTER_Y); 76 int rightColor = mBitmap.getPixel(RIGHT_CENTER_X, CENTER_Y); 77 78 // Gingerbread seems treating the alpha differently, so checking red channel only here. 79 // It is enough to tell the difference. 80 assertEquals("Left side should be white", Color.red(leftColor), 255); 81 assertEquals("Right side should be black", Color.red(rightColor), 0); 82 83 if (Build.VERSION.SDK_INT >= 19) { 84 // setLayoutDirection is only available after API 17. However, it correctly set its 85 // drawable's layout direction until API 19. 86 view1.setLayoutDirection(View.LAYOUT_DIRECTION_RTL); 87 vectorDrawable.draw(mCanvas); 88 89 leftColor = mBitmap.getPixel(LEFT_CENTER_X, CENTER_Y); 90 rightColor = mBitmap.getPixel(RIGHT_CENTER_X, CENTER_Y); 91 92 assertEquals("Left side should be black", Color.red(leftColor), 0); 93 assertEquals("Right side should be white", Color.red(rightColor), 255); 94 } 95 } 96} 97