@Override
    protected @Nullable EndpointPair<N> computeNext() {
      while (true) {
        /*
         * requireNonNull is safe because visitedNodes isn't cleared until this method calls
         * endOfData() (after which this method is never called again).
         */
        requireNonNull(visitedNodes);
        while (successorIterator.hasNext()) {
          N otherNode = successorIterator.next();

        int bufferIndex = 0;
        int len = 10;

        // Call the method to be tested
        int result = response.readDataWireFormat(buffer, bufferIndex, len);

        // Verify the result
        assertEquals(len, result, "readDataWireFormat should return the length of data read.");

        // Verify that the receive method on the input stream was called exactly once

package utils

import (
	"database/sql/driver"
	"fmt"
	"path/filepath"
	"reflect"
	"runtime"
	"strconv"
	"strings"
	"unicode"
)

var gormSourceDir string

func init() {
	_, file, _, _ := runtime.Caller(0)
	// compatible solution to get gorm source directory with various operating systems
	gormSourceDir = sourceDir(file)
}

func sourceDir(file string) string {
	dir := filepath.Dir(file)
	dir = filepath.Dir(dir)

        /**
         * Called when circuit state changes
         *
         * @param circuitBreaker the circuit breaker
         * @param fromState previous state
         * @param toState new state
         */
        void onStateChange(SmbCircuitBreaker circuitBreaker, State fromState, State toState);

        /**
         * Called when a request succeeds
         *

 * {@link #callAndAssertBlocks} method is ever called in a test, the lock-like object must have a
 * method equivalent to {@link java.util.concurrent.locks.ReentrantLock#hasQueuedThread(Thread)}. If
 * the {@link #callAndAssertWaits} method is ever called in a test, the lock-like object must have a
 * method equivalent to {@link

   * elements than the collection), the element in the array immediately following the end of the
   * collection is set to {@code null}. This is useful in determining the length of the collection
   * <i>only</i> if the caller knows that the collection does not contain any null elements.
   *
   * <p>This method returns the elements in the order they are returned by the collection's
   * iterator.
   *

        assertFalse(result);
        assertEquals(1, chain1.changePasswordCallCount);
        assertEquals(1, chain2.changePasswordCallCount);
        // allMatch may short-circuit, so chain3 might not be called
        assertTrue(chain3.changePasswordCallCount <= 1);
    }

    // Test delete with no chains
    public void test_delete_noChains() {
        User user = createTestUser("testuser");

  }

  /** Throw {@link IllegalStateException} if {@link #createTestSuite()} can't be called yet. */
  protected void checkCanCreate() {
    if (subjectGenerator == null) {
      throw new IllegalStateException("Call using() before createTestSuite().");
    }
    if (name == null) {
      throw new IllegalStateException("Call named() before createTestSuite().");
    }
    if (features == null) {

	// Cannot happen because we only have slices of already-scanned text,
	// but be prepared.
	s.base = base
}

func (s *Slice) Line() int {
	return s.line
}

func (s *Slice) Col() int {
	// TODO: Col is only called when defining a macro and all it cares about is increasing
	// position to discover whether there is a blank before the parenthesis.
	// We only get here if defining a macro inside a macro.

	}
	if beforeUpdateCall != 1 {
		t.Fatalf("before update should be called")
	}

	err = DB.Model(Product5{}).Where("id", p.ID).Update("name", "update_name_2").Error
	if !errors.Is(err, gorm.ErrInvalidValue) {
		t.Fatalf("should got RecordNotFound, but got %v", err)
	}
	if beforeUpdateCall != 1 {
		t.Fatalf("before update should not be called")
	}