verify(tree, times(1)).release(); // closed after exhaustion
    }

    @ParameterizedTest
    @ValueSource(strings = { "", "file.txt", "subdir" })
    @DisplayName("Name filter interaction: accept calls and rejections")
    void nameFilterAccepts(String acceptedName) throws Exception {
        // Arrange
        stubAcquireReturnsSelf();
        when(nameFilter.accept(any(), any())).thenReturn(false);

        @Override
        public String toString() {
            return String.format(
                    "CircuitBreakerMetrics[name=%s, state=%s, requests=%d, successes=%d, "
                            + "failures=%d, rejections=%d, successRate=%.2f%%, availability=%.2f%%]",
                    name, currentState, totalRequests, totalSuccesses, totalFailures, totalRejections, successRate, availability);
        }
    }

    /**

change the Kubelet now correctly takes into account the resources of running and terminating pods when deciding to accept new pods, since terminating pods are still holding on to those resources. This stricter handling may surface to end users as pod rejections when creating pods that are scheduled to mostly full nodes that have other terminating pods holding the resources the new pods need. The most likely error would be a pod set to `Failed` phase with reason set to `OutOfCpu` or `OutOfMemory`, but any...

        loadBalancer.setStrategy(LoadBalancingStrategy.WEIGHTED_RANDOM);
        when(mockChannelManager.getHealthyChannels()).thenReturn(Arrays.asList(channel1, channel2));

        // Test multiple selections to ensure it works
        for (int i = 0; i < 10; i++) {
            ChannelInfo selected = loadBalancer.selectChannel(mockMessage);
            assertTrue(Arrays.asList(channel1, channel2).contains(selected));
        }

        when(treeHandle.send(any(), any(), (RequestParam[]) any())).thenAnswer(invocation -> {
            return invocation.getArgument(1);
        });

        // When: Create iterator with rejecting filter
        NetServerEnumIterator iterator = new NetServerEnumIterator(parent, treeHandle, "*", 0, nameFilter);

        // Then: Iterator should have no elements
        assertFalse(iterator.hasNext());

    int required = allRequired[requiredChosen];

    // ...do the first selection...
    selectInPlace(required, array, from, to);

    // ...then recursively perform the selections in the range below...
    int requiredBelow = requiredChosen - 1;
    while (requiredBelow >= requiredFrom && allRequired[requiredBelow] == required) {
      requiredBelow--; // skip duplicates of required in the range below

        // With filter, resource should be closed due to try-with-resources
        verify(filter).accept(resource);
        verify(resource).close();
    }

    @Test
    @DisplayName("Iterator with rejecting filter - finds next acceptable")
    void iteratorWithRejectingFilter() throws Exception {
        // Setup: first entry rejected, second accepted
        FileEntry entry1 = mock(FileEntry.class);

        normalizedPath = noUncValidator.validatePath("////server//share");
        assertEquals("\\server\\share", normalizedPath);

        // To properly test UNC rejection, we would need to fix the normalization logic
        // to preserve the leading double backslash for UNC paths
    }

    @Test
    public void testInvalidUncPath() throws Exception {

 * but given that any public suffix may become a host without warning, it is better to err on the
 * side of permissiveness and thus avoid spurious rejection of valid sites. Of course, to actually
 * determine addressability of any host, clients of this class will need to perform their own DNS
 * lookups.
 *
 * <p>During construction, names are normalized in two ways:
 *

    return (ImmutableSet<E>) RegularImmutableSet.EMPTY;
  }

  /**
   * Returns an immutable set containing the given element. Preferred over {@link
   * Collections#singleton} for code consistency, {@code null} rejection, and because the return
   * type conveys the immutability guarantee.
   */
  public static <E> ImmutableSet<E> of(E e1) {
    return new SingletonImmutableSet<>(e1);
  }

  /*