* works better than Ordering.natural().nullsFirst() because, if null comes before all other
   * values, it lies outside the submap/submultiset ranges we test, and the variety of tests that
   * exercise null handling fail on those subcollections.
   */
  public abstract static class NullsBefore implements Comparator<@Nullable String>, Serializable {
    private final String justAfterNull;

    assertThat(e).hasMessageThat().contains(ERROR_SELF_LOOP);
  }

  /**
   * This test checks an implementation dependent feature. It tests that the method {@code addEdge}
   * will silently add the missing nodes to the graph, then add the edge connecting them. We are not
   * using the proxy methods here as we want to test {@code addEdge} when the end-points are not

#include "tensorflow/core/platform/test.h"

using tensorflow::Status;
using tensorflow::string;
using tensorflow::TF_StatusPtr;

namespace tensorflow {
namespace {

// The tests are parameterized on:
// - a string representing the tracing implementation: "mlir" or "graphdef".
// - a boolean that when true enables TFRT as the execution engine.
class UnifiedCAPI

import java.util.concurrent.TimeUnit;
import java.util.regex.MatchResult;
import java.util.regex.Pattern;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for {@link FreshValueGenerator}.
 *
 * @author Ben Yu
 */
@NullUnmarked
public class FreshValueGeneratorTest extends TestCase {

  @AndroidIncompatible // problem with equality of Type objects?

                    /*
                     * $body is really common but it looks like a
                     * backreference so we just escape it here to make the
                     * tests cleaner.
                     */
                    subst = subst.replace('$body', '\\$body')
                    subst = subst.replace('$_path', '\\$_path')
                    // \n is a new line....

import java.util.Set;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;

/**
 * Tests for {@link ImmutableMultiset}.
 *
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class ImmutableMultisetTest extends TestCase {

  @J2ktIncompatible

    private NetShareEnumResponse response;

    @BeforeEach
    void setUp() throws Exception {
        MockitoAnnotations.openMocks(this);
        // Use real configuration for most tests
        mockConfig = new BaseConfiguration(false);
        response = new NetShareEnumResponse(mockConfig);
    }

    @Test
    @DisplayName("Test constructor with configuration")
    void testConstructor() {

    private FileBothDirectoryInfo fileBothDirectoryInfoNonUnicode;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        // Mock the OEM encoding for non-Unicode tests
        when(mockConfig.getOemEncoding()).thenReturn("Cp850");
        fileBothDirectoryInfo = new FileBothDirectoryInfo(mockConfig, true);
        fileBothDirectoryInfoNonUnicode = new FileBothDirectoryInfo(mockConfig, false);

      return executor;
    }

    @Override
    protected Scheduler scheduler() {
      numberOfTimesSchedulerCalled.incrementAndGet();
      return configuration;
    }
  }

  // Tests for Scheduler:

  // These constants are arbitrary and just used to make sure that the correct method is called
  // with the correct parameters.
  private static final int INITIAL_DELAY = 10;

      return executor;
    }

    @Override
    protected Scheduler scheduler() {
      numberOfTimesSchedulerCalled.incrementAndGet();
      return configuration;
    }
  }

  // Tests for Scheduler:

  // These constants are arbitrary and just used to make sure that the correct method is called
  // with the correct parameters.
  private static final int INITIAL_DELAY = 10;