// 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.desugar.records;

import com.android.tools.r8.R8FullTestBuilder;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.TestRuntime.CfVm;
import com.android.tools.r8.utils.StringUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;

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

  private static final String RECORD_NAME = "UnusedRecordField";
  private static final byte[][] PROGRAM_DATA = RecordTestUtils.getProgramData(RECORD_NAME);
  private static final String MAIN_TYPE = RecordTestUtils.getMainType(RECORD_NAME);
  private static final String EXPECTED_RESULT = StringUtils.lines("Hello!");

  @Parameter(0)
  public TestParameters parameters;

  @Parameterized.Parameters(name = "{0}")
  public static TestParametersCollection data() {
    return getTestParameters()
        .withCfRuntimesStartingFromIncluding(CfVm.JDK17)
        .withDexRuntimes()
        .withAllApiLevelsAlsoForCf()
        .build();
  }

  @Test
  public void testJvm() throws Exception {
    parameters.assumeJvmTestParameters();
    testForJvm(parameters)
        .addProgramClassFileData(PROGRAM_DATA)
        .run(parameters.getRuntime(), MAIN_TYPE)
        .assertSuccessWithOutput(EXPECTED_RESULT);
    }

  @Test
  public void testD8() throws Exception {
    testForD8(parameters.getBackend())
        .addProgramClassFileData(PROGRAM_DATA)
        .setMinApi(parameters)
        .compile()
        .run(parameters.getRuntime(), MAIN_TYPE)
        .assertSuccessWithOutput(EXPECTED_RESULT);
  }

  @Test
  public void testR8() throws Exception {
    parameters.assumeR8TestParameters();
    R8FullTestBuilder builder =
        testForR8(parameters.getBackend())
            .addProgramClassFileData(PROGRAM_DATA)
            .setMinApi(parameters)
            .addKeepRules("-keep class records.UnusedRecordField { *; }")
            .addKeepMainRule(MAIN_TYPE);
    if (parameters.isCfRuntime()) {
      builder
          .addLibraryFiles(RecordTestUtils.getJdk15LibraryFiles(temp))
          .compile()
          .inspect(RecordTestUtils::assertRecordsAreRecords)
          .run(parameters.getRuntime(), MAIN_TYPE)
          .assertSuccessWithOutput(EXPECTED_RESULT);
      return;
    }
    builder.run(parameters.getRuntime(), MAIN_TYPE).assertSuccessWithOutput(EXPECTED_RESULT);
  }
}