51efddbd3b
Just frameworks/ this time. More paths to come. Bug: 24137209 Test: make -j32 Change-Id: Iff27abd26fa43296ac2fff8f534fc6742d2ae80c
105 lines
3.4 KiB
Java
105 lines
3.4 KiB
Java
/*
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* Copyright (C) 2006 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.largeassettest;
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import android.app.Activity;
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import android.content.Context;
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import android.content.res.AssetManager;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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import android.widget.TextView;
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import java.io.InputStream;
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import java.io.IOException;
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/**
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* Skeleton to test large-asset handling. The asset in question is one million
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* four-byte integers, in ascending numeric order.
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*/
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public class LargeAssetTest extends Activity {
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Button mValidateButton;
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TextView mResultText;
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Validator mValidateThread;
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@Override
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protected void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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setContentView(R.layout.lat);
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mResultText = findViewById(R.id.result);
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mValidateButton = findViewById(R.id.validate);
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mValidateButton.setOnClickListener(mClickListener);
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}
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View.OnClickListener mClickListener = new View.OnClickListener() {
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public void onClick(View v) {
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mValidateButton.setEnabled(false);
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mValidateThread = new Validator();
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mValidateThread.execute(LargeAssetTest.this.getAssets());
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}
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};
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/**
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* Validation happens in a separate thread
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*/
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class Validator extends AsyncTask<AssetManager, Integer, Boolean> {
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static final String TAG = "Validator";
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@Override
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protected Boolean doInBackground(AssetManager... params) {
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AssetManager am = params[0];
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try {
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InputStream is = am.open("million-ints", AssetManager.ACCESS_STREAMING);
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byte[] buf = new byte[4];
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for (int i = 0; i < 1000000; i++) {
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int num = is.read(buf, 0, 4);
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if (num != 4) {
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Log.e(TAG, "Wanted 4 bytes but read " + num);
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return false;
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}
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// the byte array is stored in the asset in little-endian order
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int value = (buf[3] << 24) + ((buf[2] & 0xFF) << 16)
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+ ((buf[1] & 0xFF) << 8) + (buf[0] & 0xFF);
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if (value != i) {
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Log.e(TAG, "Mismatch: index " + i + " : value " + value);
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return false;
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}
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}
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is.close();
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} catch (IOException e) {
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Log.w(TAG, "Couldn't open asset", e);
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return false;
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}
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Log.i(TAG, "Finished, reporting valid");
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return true;
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}
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@Override
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protected void onPostExecute(Boolean result) {
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CharSequence text = (result) ? "Valid!" : "NOT VALID";
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mResultText.setText(text);
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mValidateButton.setEnabled(true);
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}
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}
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}
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