// Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.ir.optimize;

import com.android.tools.r8.TestBase;
import com.android.tools.r8.ToolHelper;
import com.android.tools.r8.dex.ApplicationReader;
import com.android.tools.r8.graph.AppInfoWithSubtyping;
import com.android.tools.r8.graph.AppView;
import com.android.tools.r8.graph.DexApplication;
import com.android.tools.r8.graph.GraphLense;
import com.android.tools.r8.shaking.Enqueuer;
import com.android.tools.r8.shaking.Enqueuer.AppInfoWithLiveness;
import com.android.tools.r8.shaking.ProguardClassFilter;
import com.android.tools.r8.shaking.ProguardKeepRule;
import com.android.tools.r8.shaking.RootSetBuilder;
import com.android.tools.r8.shaking.RootSetBuilder.RootSet;
import com.android.tools.r8.utils.AndroidApp;
import com.android.tools.r8.utils.InternalOptions;
import com.android.tools.r8.utils.ThreadUtils;
import com.android.tools.r8.utils.Timing;
import com.google.common.collect.ImmutableList;
import java.util.concurrent.ExecutorService;

public abstract class NonNullTrackerTestBase extends TestBase {
  protected static final InternalOptions TEST_OPTIONS = new InternalOptions();

  protected AppInfoWithLiveness build(Class<?> mainClass) throws Exception {
    Timing timing = new Timing(getClass().getSimpleName());
    AndroidApp app = buildAndroidApp(ToolHelper.getClassAsBytes(mainClass));
    DexApplication dexApplication =
        new ApplicationReader(app, TEST_OPTIONS, timing).read().toDirect();
    AppView<AppInfoWithSubtyping> appView =
        new AppView<>(
            new AppInfoWithSubtyping(dexApplication), GraphLense.getIdentityLense(), TEST_OPTIONS);
    ExecutorService executorService = ThreadUtils.getExecutorService(TEST_OPTIONS);
    RootSet rootSet =
        new RootSetBuilder(
            appView,
            dexApplication,
            ImmutableList.of(ProguardKeepRule.defaultKeepAllRule(unused -> {})),
            TEST_OPTIONS)
        .run(executorService);
    Enqueuer enqueuer =
        new Enqueuer(appView, TEST_OPTIONS, null, TEST_OPTIONS.forceProguardCompatibility);
    return enqueuer.traceApplication(
        rootSet,
        ProguardClassFilter.empty(),
        executorService,
        timing);
  }

}