sizesToTest.retainAll(features);
    features.removeAll(sizesToTest);

    addImpliedFeatures(sizesToTest);
    sizesToTest.retainAll(asList(CollectionSize.ZERO, CollectionSize.ONE, CollectionSize.SEVERAL));

    logger.fine("   Sizes: " + formatFeatureSet(sizesToTest));

    if (sizesToTest.isEmpty()) {
      throw new IllegalStateException(
          name

        bufferIndex += 2;
        setupCount = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;
        if ((setupCount != 0) && (LogStream.level > 2)) {
            log.println("setupCount is not zero: " + setupCount);
        }

        return bufferIndex - start;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, int bufferIndex) {
        pad = pad1 = 0;
        final int n;

        assertEquals(0, buffer[1], "Second byte must be null terminator for empty string");
    }

    @Test
    @DisplayName("readBytesWireFormat is a no‑op and returns zero")
    void testReadBytesWireFormatNoop() {
        byte[] buffer = new byte[10];
        int used = cmd.readBytesWireFormat(buffer, 0);
        assertEquals(0, used, "readBytesWireFormat is unimplemented and must return 0");

// newDynamicTimeout returns a new dynamic timeout initialized with timeout value
func newDynamicTimeout(timeout, minimum time.Duration) *dynamicTimeout {
	if timeout <= 0 || minimum <= 0 {
		panic("newDynamicTimeout: negative or zero timeout")
	}
	if minimum > timeout {
		minimum = timeout
	}
	return &dynamicTimeout{timeout: int64(timeout), minimum: int64(minimum)}
}

// Timeout returns the current timeout value

		{Action: NoneAction},
	}
	for i := range wantEvents {
		if gotEvents[i].Action != wantEvents[i].Action {
			t.Fatalf("test-%d: got %v, want %v", i+1, gotEvents[i], wantEvents[i])
		}
	}

	// Test with zero versions
	events, err := evaluator.Eval(nil)
	if len(events) != 0 || err != nil {
		t.Fatal("expected no events nor error")
	}
}

func TestEmptyEvaluator(t *testing.T) {
	var objs []ObjectOpts

	"context"
	"errors"
	"fmt"
	"io"
	"strings"

	"github.com/minio/madmin-go/v3"
	xhttp "github.com/minio/minio/internal/http"
)

// WarmBackendGetOpts is used to express byte ranges within an object. The zero
// value represents the entire byte range of an object.
type WarmBackendGetOpts struct {
	startOffset int64
	length      int64
}

// WarmBackend provides interface to be implemented by remote tier backends

		tags := make(map[string]any, len(reqInfo.tags))
		for _, t := range reqInfo.tags {
			tags[t.Key] = t.Val
		}
		entry.Tags = tags
		// ignore cases for ttfb when its zero.
		if timeToFirstByte != 0 {
			entry.API.TimeToFirstByte = strconv.FormatInt(timeToFirstByte.Nanoseconds(), 10) + "ns"
			entry.API.TimeToFirstByteInNS = strconv.FormatInt(timeToFirstByte.Nanoseconds(), 10)
		}
	} else {

// having zero bytes. As such, the encoding and decoding logic in this package
// deals with sparseDatas.
//
// However, the external API uses sparseHoles instead of sparseDatas because the
// zero value of sparseHoles logically represents a normal file (i.e., there are
// no holes in it). On the other hand, the zero value of sparseDatas implies

        assertThrows(Exception.class, () -> new Pac(pacData, keys));
    }

    @Test
    void testZeroBufferCount() throws IOException {
        // Test PAC with zero buffers (missing required buffers)
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        writeLittleEndianInt(baos, 0); // bufferCount = 0

func (ps *PubSub[T, M]) Subscribers() int32 {
	return atomic.LoadInt32(&ps.numSubscribers)
}

// New inits a PubSub system with a limit of maximum
// subscribers unless zero is specified
func New[T Maskable, M Maskable](maxSubscribers int32) *PubSub[T, M] {
	return &PubSub[T, M]{maxSubscribers: maxSubscribers}