f344307345
So that error prone failures can be caught before dropping to Google3. Test: make Change-Id: I0ff6f7a4c124433d907703fd1204395c34bab6bf
182 lines
6.7 KiB
Java
182 lines
6.7 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.setupwizardlib.test;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.os.Debug;
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import android.support.test.filters.SmallTest;
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import android.support.test.runner.AndroidJUnit4;
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import android.util.Log;
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import com.android.setupwizardlib.GlifPatternDrawable;
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import junit.framework.AssertionFailedError;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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@RunWith(AndroidJUnit4.class)
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@SmallTest
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public class GlifPatternDrawableTest {
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private static final String TAG = "GlifPatternDrawableTest";
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@Before
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public void setUp() throws Exception {
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GlifPatternDrawable.invalidatePattern();
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}
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@Test
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public void testDraw() {
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final Bitmap bitmap = Bitmap.createBitmap(1366, 768, Bitmap.Config.ARGB_8888);
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final Canvas canvas = new Canvas(bitmap);
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final GlifPatternDrawable drawable = new GlifPatternDrawable(Color.RED);
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drawable.setBounds(0, 0, 1366, 768);
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drawable.draw(canvas);
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assertSameColor("Top left pixel should be #e61a1a", 0xffe61a1a, bitmap.getPixel(0, 0));
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assertSameColor("Center pixel should be #d90d0d", 0xffd90d0d, bitmap.getPixel(683, 384));
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assertSameColor("Bottom right pixel should be #d40808", 0xffd40808,
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bitmap.getPixel(1365, 767));
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}
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@Test
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public void testDrawTwice() {
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// Test that the second time the drawable is drawn is also correct, to make sure caching is
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// done correctly.
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final Bitmap bitmap = Bitmap.createBitmap(1366, 768, Bitmap.Config.ARGB_8888);
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final Canvas canvas = new Canvas(bitmap);
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final GlifPatternDrawable drawable = new GlifPatternDrawable(Color.RED);
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drawable.setBounds(0, 0, 1366, 768);
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drawable.draw(canvas);
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Paint paint = new Paint();
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paint.setColor(Color.WHITE);
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canvas.drawRect(0, 0, 1366, 768, paint); // Erase the entire canvas
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drawable.draw(canvas);
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assertSameColor("Top left pixel should be #e61a1a", 0xffe61a1a, bitmap.getPixel(0, 0));
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assertSameColor("Center pixel should be #d90d0d", 0xffd90d0d, bitmap.getPixel(683, 384));
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assertSameColor("Bottom right pixel should be #d40808", 0xffd40808,
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bitmap.getPixel(1365, 767));
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}
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@Test
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public void testScaleToCanvasSquare() {
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final Canvas canvas = new Canvas();
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Matrix expected = new Matrix(canvas.getMatrix());
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Bitmap mockBitmapCache = Bitmap.createBitmap(1366, 768, Bitmap.Config.ALPHA_8);
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final GlifPatternDrawable drawable = new GlifPatternDrawable(Color.RED);
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drawable.setBounds(0, 0, 683, 384); // half each side of the view box
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drawable.scaleCanvasToBounds(canvas, mockBitmapCache, drawable.getBounds());
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expected.postScale(0.5f, 0.5f);
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assertEquals("Matrices should match", expected, canvas.getMatrix());
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}
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@Test
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public void testScaleToCanvasTall() {
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final Canvas canvas = new Canvas();
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final Matrix expected = new Matrix(canvas.getMatrix());
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Bitmap mockBitmapCache = Bitmap.createBitmap(1366, 768, Bitmap.Config.ALPHA_8);
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final GlifPatternDrawable drawable = new GlifPatternDrawable(Color.RED);
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drawable.setBounds(0, 0, 683, 768); // half the width only
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drawable.scaleCanvasToBounds(canvas, mockBitmapCache, drawable.getBounds());
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expected.postScale(1f, 1f);
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expected.postTranslate(-99.718f, 0f);
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assertEquals("Matrices should match", expected, canvas.getMatrix());
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}
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@Test
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public void testScaleToCanvasWide() {
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final Canvas canvas = new Canvas();
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final Matrix expected = new Matrix(canvas.getMatrix());
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Bitmap mockBitmapCache = Bitmap.createBitmap(1366, 768, Bitmap.Config.ALPHA_8);
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final GlifPatternDrawable drawable = new GlifPatternDrawable(Color.RED);
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drawable.setBounds(0, 0, 1366, 384); // half the height only
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drawable.scaleCanvasToBounds(canvas, mockBitmapCache, drawable.getBounds());
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expected.postScale(1f, 1f);
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expected.postTranslate(0f, -87.552f);
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assertEquals("Matrices should match", expected, canvas.getMatrix());
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}
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@Test
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public void testScaleToCanvasMaxSize() {
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final Canvas canvas = new Canvas();
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final Matrix expected = new Matrix(canvas.getMatrix());
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Bitmap mockBitmapCache = Bitmap.createBitmap(2049, 1152, Bitmap.Config.ALPHA_8);
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final GlifPatternDrawable drawable = new GlifPatternDrawable(Color.RED);
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drawable.setBounds(0, 0, 1366, 768); // original viewbox size
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drawable.scaleCanvasToBounds(canvas, mockBitmapCache, drawable.getBounds());
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expected.postScale(1 / 1.5f, 1 / 1.5f);
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expected.postTranslate(0f, 0f);
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assertEquals("Matrices should match", expected, canvas.getMatrix());
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}
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@Test
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public void testMemoryAllocation() {
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Debug.MemoryInfo memoryInfo = new Debug.MemoryInfo();
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Debug.getMemoryInfo(memoryInfo);
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final long memoryBefore = memoryInfo.getTotalPss(); // Get memory usage in KB
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final GlifPatternDrawable drawable = new GlifPatternDrawable(Color.RED);
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drawable.setBounds(0, 0, 1366, 768);
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drawable.createBitmapCache(2049, 1152);
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Debug.getMemoryInfo(memoryInfo);
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final long memoryAfter = memoryInfo.getTotalPss();
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Log.i(TAG, "Memory allocated for bitmap cache: " + (memoryAfter - memoryBefore));
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assertTrue("Memory allocation should not exceed 5MB", memoryAfter < memoryBefore + 5000);
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}
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private void assertSameColor(String message, int expected, int actual) {
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try {
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assertEquals(expected, actual);
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} catch (AssertionFailedError e) {
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throw new AssertionFailedError(message + " expected <#" + Integer.toHexString(expected)
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+ "> but found <#" + Integer.toHexString(actual) + "> instead");
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}
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}
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}
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