| /* |
| * Copyright (C) 2011 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 com.android.rs.image; |
| |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.app.Instrumentation; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.test.ActivityInstrumentationTestCase2; |
| import android.test.suitebuilder.annotation.LargeTest; |
| import android.util.Log; |
| |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| |
| /** |
| * ImageProcessing benchmark test. |
| * To run the test, please use command |
| * |
| * adb shell am instrument -w com.android.rs.image/.ImageProcessingTestRunner |
| * |
| */ |
| public class ImageProcessingTest extends ActivityInstrumentationTestCase2<ImageProcessingActivity> { |
| private final String TAG = "ImageProcessingTest"; |
| private final String RESULT_FILE = "image_processing_result.txt"; |
| private int ITERATION = 5; |
| private ImageProcessingActivity mAct; |
| |
| public ImageProcessingTest() { |
| super(ImageProcessingActivity.class); |
| } |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| mAct = getActivity(); |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| /** |
| * ImageProcessing benchmark test |
| */ |
| @LargeTest |
| public void testImageProcessingBench() { |
| long t = 0; |
| long sum = 0; |
| // write result into a file |
| File externalStorage = Environment.getExternalStorageDirectory(); |
| if (!externalStorage.canWrite()) { |
| Log.v(TAG, "sdcard is not writable"); |
| return; |
| } |
| File resultFile = new File(externalStorage, RESULT_FILE); |
| resultFile.setWritable(true, false); |
| try { |
| BufferedWriter rsWriter = new BufferedWriter(new FileWriter(resultFile)); |
| Log.v(TAG, "Saved results in: " + resultFile.getAbsolutePath()); |
| for (int i = 0; i < ITERATION; i++ ) { |
| t = mAct.getBenchmark(); |
| sum += t; |
| rsWriter.write("Renderscript frame time core: " + t + " ms\n"); |
| Log.v(TAG, "RenderScript framew time core: " + t + " ms"); |
| } |
| long avgValue = sum/ITERATION; |
| rsWriter.write("Average frame time: " + avgValue + " ms\n"); |
| Log.v(TAG, "Average frame time: " + avgValue + " ms"); |
| rsWriter.close(); |
| } catch (IOException e) { |
| Log.v(TAG, "Unable to write result file " + e.getMessage()); |
| } |
| } |
| } |