// 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.memberrebinding;

import static org.hamcrest.core.StringContains.containsString;

import com.android.tools.r8.NeverInline;
import com.android.tools.r8.NeverMerge;
import com.android.tools.r8.R8TestRunResult;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.graph.MethodAccessFlags;
import com.android.tools.r8.memberrebinding.testclasses.MemberRebindingConflictTestClasses;
import com.android.tools.r8.memberrebinding.testclasses.MemberRebindingConflictTestClasses.C;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;

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

  private final TestParameters parameters;

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

  public MemberRebindingConflictTest(TestParameters parameters) {
    this.parameters = parameters;
  }

  @Test
  public void test() throws Exception {
    R8TestRunResult result =
        testForR8(parameters.getBackend())
            .addProgramClasses(A.class, TestClass.class)
            .addProgramClassFileData(
                transformer(B.class)
                    .removeMethods(
                        (access, name, descriptor, signature, exceptions) -> {
                          if (name.equals("foo")) {
                            assert MethodAccessFlags.fromCfAccessFlags(access, false).isSynthetic();
                            return true;
                          }
                          return false;
                        })
                    .transform())
            .addInnerClasses(MemberRebindingConflictTestClasses.class)
            .addKeepMainRule(TestClass.class)
            .enableInliningAnnotations()
            .enableMergeAnnotations()
            .enableNeverClassInliningAnnotations()
            .setMinApi(parameters.getApiLevel())
            .compile()
            .run(parameters.getRuntime(), TestClass.class);

    if (parameters.isDexRuntime()
        && parameters.getRuntime().asDex().getVm().getVersion().isDalvik()) {
      result.assertSuccessWithOutputLines("foo", "bar", "foo", "baz");
    } else {
      result.assertFailureWithErrorThatMatches(
          containsString(IllegalAccessError.class.getTypeName()));
    }
  }

  static class TestClass {

    public static void main(String[] args) {
      C c = new C();
      c.bar();
      c.baz();
    }
  }

  @NeverMerge
  static class A {

    @NeverInline
    public void foo() {
      System.out.println("foo");
    }
  }

  @NeverMerge
  public static class B extends A {

    // public synthetic void foo() { super.foo(); }

    @NeverInline
    public void bar() {
      foo();
      System.out.println("bar");
    }
  }
}