src/test/java/com/android/tools/r8/regress/b71604169/Regress71604169Test.java

// 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.regress.b71604169;


import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class Regress71604169Test extends TestBase {

  @Parameter(0)
  public TestParameters parameters;

  @Parameters(name = "{0}")
  public static TestParametersCollection data() {
    return getTestParameters().withAllRuntimesAndApiLevels().build();
  }

  @Test
  public void test() throws Exception {
    testForR8(parameters.getBackend())
        .addInnerClasses(getClass())
        .addKeepMainRule(Main.class)
        .setMinApi(parameters)
        .compile()
        .run(parameters.getRuntime(), Main.class)
        .assertSuccessWithOutput("Hello, world!");
  }

  public static class Main {
    public interface Creator<C> {
      C create(Object o);
    }

    public static class X {
      Object o;

      X(Object o) {
        this.o = o;
        System.out.print(o);
      }
    }

    public static <C> C create(Creator<C> creator) {
      return creator.create("Hello, world!");
    }

    public static void main(String[] args) {
      create(X::new);
    }
  }
}