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 */ 16 package android.support.v7.app; 17 18 import static org.junit.Assert.assertEquals; 19 20 import android.app.Activity; 21 import android.graphics.Bitmap; 22 import android.graphics.Canvas; 23 import android.graphics.Color; 24 import android.graphics.drawable.Drawable; 25 import android.os.Build; 26 import android.support.test.annotation.UiThreadTest; 27 import android.support.v7.appcompat.test.R; 28 import android.test.suitebuilder.annotation.SmallTest; 29 import android.view.View; 30 import android.widget.ImageView; 31 32 import org.junit.Before; 33 import org.junit.Test; 34 35 @SmallTest 36 public class AppCompatVectorDrawableIntegrationTest 37 extends BaseInstrumentationTestCase<AppCompatVectorDrawableIntegrationActivity> { 38 39 private Bitmap mBitmap; 40 private Canvas mCanvas; 41 42 private static final int WIDTH = 64; 43 private static final int HEIGHT = 64; 44 private static final int LEFT_CENTER_X = WIDTH / 4; 45 private static final int RIGHT_CENTER_X = WIDTH * 3 / 4; 46 private static final int CENTER_Y = HEIGHT / 2; 47 48 public AppCompatVectorDrawableIntegrationTest() { 49 super(AppCompatVectorDrawableIntegrationActivity.class); 50 } 51 52 @Before 53 public void setup() { 54 mBitmap = Bitmap.createBitmap(WIDTH, HEIGHT, Bitmap.Config.ARGB_8888); 55 mCanvas = new Canvas(mBitmap); 56 } 57 58 @Test 59 @UiThreadTest 60 public void testVectorDrawableAutoMirrored() { 61 Activity activity = mActivityTestRule.getActivity(); 62 ImageView view1 = (ImageView) activity.findViewById(R.id.view_vector_1); 63 Drawable vectorDrawable = view1.getDrawable(); 64 // We update the bounds here for writing into the bitmap correctly. 65 vectorDrawable.setBounds(0, 0, WIDTH, HEIGHT); 66 vectorDrawable.draw(mCanvas); 67 68 int leftColor = mBitmap.getPixel(LEFT_CENTER_X, CENTER_Y); 69 int rightColor = mBitmap.getPixel(RIGHT_CENTER_X, CENTER_Y); 70 71 // Gingerbread seems treating the alpha differently, so checking red channel only here. 72 // It is enough to tell the difference. 73 assertEquals("Left side should be white", Color.red(leftColor), 255); 74 assertEquals("Right side should be black", Color.red(rightColor), 0); 75 76 if (Build.VERSION.SDK_INT >= 19) { 77 // setLayoutDirection is only available after API 17. However, it correctly set its 78 // drawable's layout direction until API 19. 79 view1.setLayoutDirection(View.LAYOUT_DIRECTION_RTL); 80 vectorDrawable.draw(mCanvas); 81 82 leftColor = mBitmap.getPixel(LEFT_CENTER_X, CENTER_Y); 83 rightColor = mBitmap.getPixel(RIGHT_CENTER_X, CENTER_Y); 84 85 assertEquals("Left side should be black", Color.red(leftColor), 0); 86 assertEquals("Right side should be white", Color.red(rightColor), 255); 87 } 88 } 89 } 90