src/test/java/com/android/tools/r8/naming/adaptclassstrings/RepackageMinificationNameClashTest.java

// Copyright (c) 2021, 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.naming.adaptclassstrings;

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)
/** This is a regression test for b/210699098 */
public class RepackageMinificationNameClashTest extends TestBase {

  @Parameter() public TestParameters parameters;

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

  @Test
  public void testR8() throws Exception {
    testForR8(parameters.getBackend())
        .addInnerClasses(getClass())
        .setMinApi(parameters.getApiLevel())
        .addKeepRules("-repackageclasses ''")
        .addKeepRules("-adaptclassstrings")
        .addKeepClassRulesWithAllowObfuscation(Foo.class)
        .addKeepMainRule(Main.class)
        .run(parameters.getRuntime(), Main.class)
        .assertSuccessWithOutputLines("RepackageMinificationNameClashTest$Foo");
  }

  public static class Foo {}

  public static class Main {

    public static void main(String[] args) {
      System.out.println("RepackageMinificationNameClashTest$Foo");
    }
  }
}