src/test/examplesJava9/desugaredlib/NewLocalDateTest.java

// Copyright (c) 2023, 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 desugaredlib;

import static com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification.DEFAULT_SPECIFICATIONS;
import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11;
import static com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification.JDK11_PATH;

import com.android.tools.r8.TestParameters;
import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase;
import com.android.tools.r8.desugar.desugaredlibrary.test.CompilationSpecification;
import com.android.tools.r8.desugar.desugaredlibrary.test.LibraryDesugaringSpecification;
import com.android.tools.r8.utils.StringUtils;
import com.google.common.collect.ImmutableList;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalTime;
import java.time.Period;
import java.time.ZoneId;
import java.time.ZoneOffset;
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 NewLocalDateTest extends DesugaredLibraryTestBase {

  private final TestParameters parameters;
  private final LibraryDesugaringSpecification libraryDesugaringSpecification;
  private final CompilationSpecification compilationSpecification;

  private static final String EXPECTED_OUTPUT =
      StringUtils.lines("1970-01-01", "1970-01-01", "43200", "0", "0", "7");
  private static final Class<?> MAIN_CLASS = LocalDateMain.class;

  @Parameters(name = "{0}, spec: {1}, {2}")
  public static List<Object[]> data() {
    return buildParameters(
        getTestParameters().withDexRuntimes().withAllApiLevels().build(),
        ImmutableList.of(JDK11, JDK11_PATH),
        DEFAULT_SPECIFICATIONS);
  }

  public NewLocalDateTest(
      TestParameters parameters,
      LibraryDesugaringSpecification libraryDesugaringSpecification,
      CompilationSpecification compilationSpecification) {
    this.parameters = parameters;
    this.libraryDesugaringSpecification = libraryDesugaringSpecification;
    this.compilationSpecification = compilationSpecification;
  }

  @Test
  public void test() throws Throwable {
    testForDesugaredLibrary(parameters, libraryDesugaringSpecification, compilationSpecification)
        .addInnerClassesAndStrippedOuter(getClass())
        .addKeepMainRule(MAIN_CLASS)
        .run(parameters.getRuntime(), MAIN_CLASS)
        .assertSuccessWithOutput(EXPECTED_OUTPUT);
  }

  public static class LocalDateMain {

    public static void main(String[] args) {
      System.out.println(LocalDate.EPOCH);
      System.out.println(
          LocalDate.ofInstant(Instant.EPOCH, ZoneId.ofOffset("UTC", ZoneOffset.UTC)));
      System.out.println(LocalDate.EPOCH.toEpochSecond(LocalTime.NOON, ZoneOffset.UTC));
      System.out.println(LocalDate.EPOCH.datesUntil(LocalDate.EPOCH).count());
      System.out.println(LocalDate.EPOCH.datesUntil(LocalDate.EPOCH, Period.of(1, 1, 1)).count());
      System.out.println(
          LocalDate.EPOCH.datesUntil(LocalDate.ofEpochDay(7), Period.of(0, 0, 1)).count());
    }
  }
}