src/test/java/com/android/tools/r8/repackage/RepackagingWithNonReboundMethodReferenceTest.java

// Copyright (c) 2020, 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.repackage;

import static com.android.tools.r8.shaking.ProguardConfigurationParser.FLATTEN_PACKAGE_HIERARCHY;
import static com.android.tools.r8.shaking.ProguardConfigurationParser.REPACKAGE_CLASSES;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;

import com.android.tools.r8.CompilationFailedException;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.repackage.testclasses.RepackagingWithNonReboundMethodReferenceTestClasses;
import com.android.tools.r8.repackage.testclasses.RepackagingWithNonReboundMethodReferenceTestClasses.B;
import com.google.common.collect.ImmutableList;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

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

  private static final String REPACKAGE_DIR = "foo";

  private final String flattenPackageHierarchyOrRepackageClasses;
  private final TestParameters parameters;

  @Parameters(name = "{1}, kind: {0}")
  public static List<Object[]> data() {
    return buildParameters(
        ImmutableList.of(FLATTEN_PACKAGE_HIERARCHY, REPACKAGE_CLASSES),
        getTestParameters().withAllRuntimesAndApiLevels().build());
  }

  public RepackagingWithNonReboundMethodReferenceTest(
      String flattenPackageHierarchyOrRepackageClasses, TestParameters parameters) {
    this.flattenPackageHierarchyOrRepackageClasses = flattenPackageHierarchyOrRepackageClasses;
    this.parameters = parameters;
  }

  @Test
  public void test() throws Exception {
    try {
      testForR8(parameters.getBackend())
          .addInnerClasses(getClass(), RepackagingWithNonReboundMethodReferenceTestClasses.class)
          .addKeepMainRule(TestClass.class)
          .addKeepRules(
              "-" + flattenPackageHierarchyOrRepackageClasses + " \"" + REPACKAGE_DIR + "\"")
          .addOptionsModification(
              options -> {
                assertFalse(options.testing.enableExperimentalRepackaging);
                options.testing.enableExperimentalRepackaging = true;
              })
          .enableInliningAnnotations()
          .enableNeverClassInliningAnnotations()
          .enableNoVerticalClassMergingAnnotations()
          .setMinApi(parameters.getApiLevel())
          .compile();

      // TODO(b/168282032): Support lens rewriting of non-rebound references in the writer.
      fail();
    } catch (CompilationFailedException exception) {
      // Ignore.
    }
  }

  static class TestClass {

    public static void main(String[] args) {
      new B().greet();
    }
  }
}