src/test/java/com/android/tools/r8/kotlin/sealed/SealedClassTest.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.kotlin.sealed;

import static com.android.tools.r8.ToolHelper.getFilesInTestFolderRelativeToClass;
import static org.hamcrest.CoreMatchers.equalTo;

import com.android.tools.r8.CompilationFailedException;
import com.android.tools.r8.KotlinTestBase;
import com.android.tools.r8.KotlinTestParameters;
import com.android.tools.r8.TestParameters;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.ExecutionException;
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 SealedClassTest extends KotlinTestBase {

  private static final String MAIN = "com.android.tools.r8.kotlin.sealed.kt.FormatKt";
  private static final String[] EXPECTED = new String[] {"ZIP"};

  private final TestParameters parameters;

  @Parameters(name = "{0}, {1}")
  public static List<Object[]> data() {
    return buildParameters(
        getTestParameters().withAllRuntimesAndApiLevels().build(),
        getKotlinTestParameters().withAllCompilersAndTargetVersions().build());
  }

  public SealedClassTest(TestParameters parameters, KotlinTestParameters kotlinParameters) {
    super(kotlinParameters);
    this.parameters = parameters;
  }

  private static final KotlinCompileMemoizer compilationResults =
      getCompileMemoizer(getKotlinSources());

  private static Collection<Path> getKotlinSources() {
    try {
      return getFilesInTestFolderRelativeToClass(SealedClassTest.class, "kt", ".kt");
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  @Test
  public void testRuntime() throws ExecutionException, CompilationFailedException, IOException {
    testForRuntime(parameters)
        .addProgramFiles(compilationResults.getForConfiguration(kotlinc, targetVersion))
        .addRunClasspathFiles(buildOnDexRuntime(parameters, kotlinc.getKotlinStdlibJar()))
        .run(parameters.getRuntime(), MAIN)
        .assertSuccessWithOutputLines(EXPECTED);
  }

  @Test
  public void testR8() throws ExecutionException, CompilationFailedException, IOException {
    testForR8(parameters.getBackend())
        .addProgramFiles(compilationResults.getForConfiguration(kotlinc, targetVersion))
        .addProgramFiles(kotlinc.getKotlinStdlibJar())
        .addProgramFiles(kotlinc.getKotlinAnnotationJar())
        .setMinApi(parameters.getApiLevel())
        .allowAccessModification()
        .allowDiagnosticWarningMessages()
        .addKeepMainRule(MAIN)
        .compile()
        .assertAllWarningMessagesMatch(equalTo("Resource 'META-INF/MANIFEST.MF' already exists."))
        .run(parameters.getRuntime(), MAIN)
        .assertSuccessWithOutputLines(EXPECTED);
  }
}