import com.google.common.testing.AbstractPackageSanityTests;

/** Basic sanity tests for classes in {@code common.base}. */

@GwtIncompatible
public class PackageSanityTests extends AbstractPackageSanityTests {
  public PackageSanityTests() {
    // package private classes like FunctionalEquivalence are tested through the public API.
    publicApiOnly();
  }

import com.google.common.annotations.GwtCompatible;
import java.util.Map;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Creates maps, containing sample elements, to be tested.
 *
 * @author George van den Driessche
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestMapGenerator<K extends @Nullable Object, V extends @Nullable Object>

import com.google.common.collect.SortedSetMultimap;
import org.junit.Ignore;

/**
 * Tester for {@link SortedSetMultimap#get(Object)}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class SortedSetMultimapGetTester<K, V>

import com.google.common.collect.Multiset;
import com.google.common.collect.testing.TestCollectionGenerator;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Creates multisets, containing sample elements, to be tested.
 *
 * @author Jared Levy
 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
public interface TestMultisetGenerator<E extends @Nullable Object>
    extends TestCollectionGenerator<E> {
  @Override

Bevorzugen Sie die `Annotated`-Version, falls möglich.

///

```Python hl_lines="16  18-20"
{!> ../../docs_src/settings/app02/main.py!}
```

////

### Einstellungen und Tests

Dann wäre es sehr einfach, beim Testen ein anderes Einstellungsobjekt bereitzustellen, indem man eine Abhängigkeitsüberschreibung für `get_settings` erstellt:

```Python hl_lines="9-10  13  21"
{!../../docs_src/settings/app02/test_main.py!}

  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicConstructors(MinMaxPriorityQueue.class);
    tester.testAllPublicStaticMethods(MinMaxPriorityQueue.class);
    tester.testAllPublicInstanceMethods(MinMaxPriorityQueue.<String>create());
  }

   */
  @Test
  public abstract void incidentEdges_checkReturnedSetMutability();

  @Test
  public void nodes_oneNode() {
    addNode(N1);
    assertThat(graph.nodes()).containsExactly(N1);
  }

  @Test
  public void nodes_noNodes() {
    assertThat(graph.nodes()).isEmpty();
  }

  @Test
  public void adjacentNodes_oneEdge() {
    putEdge(N1, N2);

import com.google.common.collect.testing.features.MapFeature;
import org.junit.Ignore;

/**
 * Tester for the {@code containsKey} methods of {@code Multimap} and its {@code asMap()} view.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")

import java.util.Iterator;
import java.util.Map.Entry;
import org.junit.Ignore;

/**
 * Tester for {@code Multimap.keySet}.
 *
 * @author Louis Wasserman
 */
@GwtCompatible
@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MultimapKeySetTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> {

      throw new UnsupportedOperationException();
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Strings.class);
  }