src/test/java/com/android/tools/r8/R8RunExamplesJava9Test.java

// Copyright (c) 2017, 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;

import com.android.tools.r8.origin.Origin;
import com.android.tools.r8.utils.AndroidApiLevel;
import com.google.common.collect.ImmutableList;
import java.nio.file.Path;
import java.util.function.UnaryOperator;
import org.junit.Test;

public class R8RunExamplesJava9Test extends RunExamplesJava9Test<R8Command.Builder> {

  class R8TestRunner extends TestRunner<R8TestRunner> {

    R8TestRunner(String testName, String packageName, String mainClass) {
      super(testName, packageName, mainClass);
    }

    @Override
    R8TestRunner withMinApiLevel(int minApiLevel) {
      return withBuilderTransformation(builder -> builder.setMinApiLevel(minApiLevel));
    }

    @Override
    R8TestRunner withKeepAll() {
      return withBuilderTransformation(builder ->
          builder
              .setDisableTreeShaking(true)
              .setDisableMinification(true)
              .addProguardConfiguration(ImmutableList.of("-keepattributes *"), Origin.unknown()));
    }

    @Override
    void build(Path inputFile, Path out) throws Throwable {
      R8Command.Builder builder = R8Command.builder();
      for (UnaryOperator<R8Command.Builder> transformation : builderTransformations) {
        builder = transformation.apply(builder);
      }
      // TODO(mikaelpeltier) Add new android.jar build from aosp and use it
      builder.addLibraryFiles(ToolHelper.getAndroidJar(AndroidApiLevel.P));
      R8Command command =
          builder.addProgramFiles(inputFile).setOutput(out, OutputMode.DexIndexed).build();
      ToolHelper.runR8(command, this::combinedOptionConsumer);
    }

    @Override
    R8TestRunner self() {
      return this;
    }
  }

  @Override
  R8TestRunner test(String testName, String packageName, String mainClass) {
    return new R8TestRunner(testName, packageName, mainClass);
  }

  @Test
  public void varHandle() throws Throwable {
    test("varhandle", "varhandle", "VarHandleTests")
        .withBuilderTransformation(
            builder ->
                builder.addProguardConfiguration(
                    ImmutableList.of("-dontwarn java.lang.invoke.VarHandle"), Origin.unknown()))
        .withMinApiLevel(AndroidApiLevel.P.getLevel())
        .withKeepAll()
        .run();
  }
}