@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class CollectionToStringTester<E> extends AbstractCollectionTester<E> {
  public void testToString_minimal() {
    assertNotNull("toString() should not return null", collection.toString());
  }

  @CollectionSize.Require(ZERO)
  @CollectionFeature.Require(absent = NON_STANDARD_TOSTRING)
  public void testToString_size0() {

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class CollectionToStringTester<E> extends AbstractCollectionTester<E> {
  public void testToString_minimal() {
    assertNotNull("toString() should not return null", collection.toString());
  }

  @CollectionSize.Require(ZERO)
  @CollectionFeature.Require(absent = NON_STANDARD_TOSTRING)
  public void testToString_size0() {

        this.fid = fid;
        this.offset = (int) (offset & 0xFFFFFFFFL);
        this.remaining = remaining;
        this.b = b;
        this.off = off;
        count = len;
        digest = null; /* otherwise recycled commands
                        * like writeandx will choke if session
                        * closes in between */
    }

    @Override

/**
 * Tests {@link ScopeArtifactFilter}.
 *
 */
class ScopeArtifactFilterTest {

    private Artifact newArtifact(String scope) {
        return new DefaultArtifact("g", "a", "1.0", scope, "jar", "", null);
    }

    @Test
    void testIncludeCompile() {
        ScopeArtifactFilter filter = new ScopeArtifactFilter(Artifact.SCOPE_COMPILE);

        assertTrue(filter.include(newArtifact(Artifact.SCOPE_COMPILE)));

     */
    public static String interpretTrace(boolean detailed, RequestTrace requestTrace) {
        while (requestTrace != null) {
            Object data = requestTrace.getData();
            if (data instanceof DependencyRequest request) {
                return "dependency resolution for " + request;

{* ../../docs_src/using_request_directly/tutorial001_py310.py hl[1,7:8] *}

Durch die Deklaration eines *Pfadoperation-Funktionsparameters*, dessen Typ der `Request` ist, weiß **FastAPI**, dass es den `Request` diesem Parameter übergeben soll.

/// tip | Tipp

Beachten Sie, dass wir in diesem Fall einen Pfad-Parameter zusätzlich zum Request-Parameter deklarieren.

        for (Object provided : getScopeState().provided()) {
            if (provided instanceof WeakMojoExecutionListener weakMojoExecutionListener) {
                listeners.put(weakMojoExecutionListener, null);
            }
        }
        return listeners.keySet();
    }

  std::pair<std::unique_ptr<TensorSliceReader::VarToShapeMap>,
            std::unique_ptr<TensorSliceReader::VarToDataTypeMap> >
  BuildV2VarMaps();

  // Invariant: exactly one of "reader_" and "v2_reader_" is non-null.
  std::unique_ptr<TensorSliceReader> reader_;
  std::unique_ptr<BundleReader> v2_reader_;

  std::unique_ptr<TensorSliceReader::VarToShapeMap> var_to_shape_map_;

        if (isEmpty.test(value)) {
            logError(element, "is empty");
        }
    }

    private <T> void validateNonNull(String element, T value, Runnable validator) {
        if (value == null) {
            logError(element, "is missing");
        } else {
            validator.run();
        }
    }

    private void validateString(String element, String value) {

 * Unit test for {@link Helpers}.
 *
 * @author Chris Povirk
 */
@GwtCompatible
public class HelpersTest extends TestCase {
  public void testNullsBeforeB() {
    testComparator(NullsBeforeB.INSTANCE, "a", "azzzzzz", null, "b", "c");
  }

  public void testIsEmpty_iterable() {
    List<Object> list = new ArrayList<>();
    assertEmpty(list);
    assertEmpty(() -> emptyIterator());

    list.add("a");