checker/src/test/java/org/checkerframework/checker/test/junit/NullnessJavadocTest.java

package org.checkerframework.checker.test.junit;

import java.io.File;
import java.util.Collections;
import java.util.List;
import org.checkerframework.framework.test.CheckerFrameworkPerDirectoryTest;
import org.checkerframework.javacutil.SystemUtil;
import org.junit.runners.Parameterized.Parameters;

/**
 * JUnit tests for the Nullness Checker -- testing type-checking of code that uses Javadoc classes.
 */
public class NullnessJavadocTest extends CheckerFrameworkPerDirectoryTest {

  /** @param testFiles the files containing test code, which will be type-checked */
  public NullnessJavadocTest(List<File> testFiles) {
    super(
        testFiles,
        org.checkerframework.checker.nullness.NullnessChecker.class,
        "nullness",
        toolsJarList(),
        "-Anomsgtext");
  }

  /**
   * Return a list that contains the pathname to the tools.jar file, if it exists.
   *
   * @return a list that contains the pathname to the tools.jar file, if it exists
   */
  private static List<String> toolsJarList() {
    String toolsJar = SystemUtil.getToolsJar();
    if (toolsJar == null) {
      return Collections.emptyList();
    } else {
      return Collections.singletonList(toolsJar);
    }
  }

  @Parameters
  public static String[] getTestDirs() {
    return new String[] {"nullness-javadoc"};
  }
}