src/test/java/com/android/tools/r8/R8RunExamplesAndroidNTest.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 java.nio.file.Path;
import java.util.concurrent.ExecutionException;
import java.util.function.UnaryOperator;

public class R8RunExamplesAndroidNTest extends RunExamplesAndroidNTest<R8Command.Builder> {

  class R8TestRunner extends TestRunner {

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

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

    @Override
    void build(Path inputFile, Path out) throws Throwable {
      try {
        R8Command.Builder builder = R8Command.builder();
        for (UnaryOperator<R8Command.Builder> transformation : builderTransformations) {
          builder = transformation.apply(builder);
        }
        R8Command command = builder.addProgramFiles(inputFile).setOutputPath(out).build();
        ToolHelper.runR8(command, this::combinedOptionConsumer);
      } catch (ExecutionException e) {
        throw e.getCause();
      }
    }
  }

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