}
	} else {
		copy(r.buf[r.w:], p)
		r.w += n
	}

	if r.w == r.size {
		r.w = 0
	}
	if r.w == r.r {
		r.isFull = true
	}

	return n, err
}

// WriteByte writes one byte into buffer, and returns ErrIsFull if buffer is full.
func (r *RingBuffer) WriteByte(c byte) error {
	r.mu.Lock()
	defer r.mu.Unlock()
	if err := r.err; err != nil {
		if err == io.EOF {
			err = ErrWriteOnClosed

        // Then
        assertNotNull(addresses, "Should return addresses array");
        assertTrue(addresses.length > 0, "Should return at least one address");
    }

    @Test
    @DisplayName("Should handle NetBIOS name resolution with timeout")
    @Timeout(value = 2, unit = TimeUnit.SECONDS) // Force test timeout
    void testGetNbtByName() {

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

 *
 * @author Jared Levy
 * @since 2.0
 */
@GwtCompatible
@J2ktIncompatible
@SuppressWarnings("EnumOrdinal") // This is one of the low-level utilities where it's suitable.
public final class EnumMultiset<E extends Enum<E>> extends AbstractMultiset<E>
    implements Serializable {
  /** Creates an empty {@code EnumMultiset}. */

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *

    EnumHashBiMap<Currency, String> bimap = EnumHashBiMap.create(map);
    assertEquals("dollar", bimap.get(Currency.DOLLAR));
    assertEquals(Currency.DOLLAR, bimap.inverse().get("dollar"));

    /* Map must have at least one entry if not an EnumHashBiMap. */
    assertThrows(
        IllegalArgumentException.class,
        () -> EnumHashBiMap.create(Collections.<Currency, String>emptyMap()));