// Copyright (c) 2019, 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.desugar;

import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
import static org.hamcrest.MatcherAssert.assertThat;

import com.android.tools.r8.D8TestCompileResult;
import com.android.tools.r8.R8TestCompileResult;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.debug.DebugTestBase;
import com.android.tools.r8.debug.DebugTestBase.JUnit3Wrapper.Command;
import com.android.tools.r8.debug.DebugTestConfig;
import com.android.tools.r8.references.MethodReference;
import com.android.tools.r8.references.Reference;
import com.android.tools.r8.utils.AndroidApiLevel;
import com.android.tools.r8.utils.StringUtils;
import com.google.common.collect.ImmutableList;
import java.util.Collections;
import org.junit.Test;

public class DefaultLambdaWithInvokeInterfaceTestRunner extends DebugTestBase {

  final Class<?> CLASS = DefaultLambdaWithInvokeInterfaceTest.class;
  final String EXPECTED = StringUtils.lines("stateful(hest)");

  @Test
  public void testJvm() throws Exception {
    testForJvm().addTestClasspath().run(CLASS).assertSuccessWithOutput(EXPECTED);
  }

  private void runDebugger(DebugTestConfig config) throws Throwable {
    MethodReference main = Reference.methodFromMethod(CLASS.getMethod("main", String[].class));
    Command checkThis = conditional((state) ->
        state.isCfRuntime()
            ? Collections.singletonList(checkLocal("this"))
            : ImmutableList.of(
                checkNoLocal("this"),
                checkLocal("_this")));

    runDebugTest(config, CLASS,
        breakpoint(main, 27),
        run(),
        checkLine(27),
        stepInto(INTELLIJ_FILTER),
        checkLine(18),
        checkThis,
        breakpoint(main, 28),
        run(),
        checkLine(28),
        checkLocal("stateful"),
        stepInto(INTELLIJ_FILTER),
        checkLine(19),
        checkThis,
        run());
  }

  @Test
  public void testR8Cf() throws Throwable {
    R8TestCompileResult compileResult = testForR8(Backend.CF)
        .addProgramClassesAndInnerClasses(CLASS)
        .noMinification()
        .noTreeShaking()
        .debug()
        .compile();
    compileResult
        // TODO(b/123506120): Add .assertNoMessages()
        .run(CLASS)
        .assertSuccessWithOutput(EXPECTED)
        .inspect(inspector -> assertThat(inspector.clazz(CLASS), isPresent()));
    runDebugger(compileResult.debugConfig());
  }

  @Test
  public void testD8() throws Throwable {
    D8TestCompileResult compileResult = testForD8()
        .addProgramClassesAndInnerClasses(CLASS)
        .setMinApi(AndroidApiLevel.K)
        .compile();
    compileResult
        // TODO(b/123506120): Add .assertNoMessages()
        .run(CLASS)
        .assertSuccessWithOutput(EXPECTED)
        .inspect(inspector -> assertThat(inspector.clazz(CLASS), isPresent()));
    runDebugger(compileResult.debugConfig());
  }
}