Merge "Introduce Typeface.createXX performance tests."

LOCAL_PACKAGE_NAME := CorePerfTests

# Use google-fonts/dancing-script for the performance metrics

LOCAL_ASSET_DIR := $(TOP)/external/google-fonts/dancing-script

include $(BUILD_PACKAGE)

/*

 * Copyright (C) 2016 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 android.graphics.perftests;

import android.content.Context;

import android.content.res.AssetManager;

import android.graphics.Typeface;

import android.perftests.utils.BenchmarkState;

import android.perftests.utils.PerfStatusReporter;

import android.support.test.InstrumentationRegistry;

import android.support.test.filters.LargeTest;

import android.support.test.runner.AndroidJUnit4;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

@LargeTest

@RunWith(AndroidJUnit4.class)

public class TypefaceCreatePerfTest {

    // A font file name in asset directory.

    private static final String TEST_FONT_NAME = "DancingScript-Regular.ttf";

    @Rule

    public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();

    @Test

    public void testCreate_fromFamily() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            Typeface face = Typeface.create(Typeface.SANS_SERIF, Typeface.NORMAL);

        }

    }

    @Test

    public void testCreate_fromFamilyName() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            Typeface face = Typeface.create("monospace", Typeface.NORMAL);

        }

    }

    @Test

    public void testCreate_fromAsset() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        final Context context = InstrumentationRegistry.getContext();

        final AssetManager am = context.getAssets();

        while (state.keepRunning()) {

            Typeface face = Typeface.createFromAsset(am, TEST_FONT_NAME);

        }

    }

    @Test

    public void testCreate_fromFile() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        final Context context = InstrumentationRegistry.getContext();

        final AssetManager am = context.getAssets();

        File outFile = null;

        try {

            outFile = File.createTempFile("example", "ttf", context.getCacheDir());

        } catch (IOException e) {

            throw new RuntimeException(e);

        }

        try (InputStream in = am.open(TEST_FONT_NAME);

                OutputStream out = new FileOutputStream(outFile)) {

            byte[] buf = new byte[1024];

            int n = 0;

            while ((n = in.read(buf)) != -1) {

                out.write(buf, 0, n);

            }

        } catch (IOException e) {

            throw new RuntimeException(e);

        }

        while (state.keepRunning()) {

            Typeface face = Typeface.createFromFile(outFile);

        }

        outFile.delete();

    }

}