public NioAsyncSocketBuilder setWriteQueueCapacity(int writeQueueCapacity) {
        verifyNotBuilt();

        this.writeQueueCapacity = checkPositive(writeQueueCapacity, "writeQueueCapacity");
        return this;
    }
@Test
    public void test_setWriteQueueCapacity_whenZero() {
        NioReactor reactor = (NioReactor) newReactor();
        NioAsyncSocketBuilder builder = reactor.newAsyncSocketBuilder();

        assertThrows(IllegalArgumentException.class, () -> builder.setWriteQueueCapacity(0));
    }