defer wg.Done()

		tot := 0
		defer func() {
			ch <- tot
		}()

		serverConn, err := server.Accept()
		if err != nil {
			t.Error(err)
			return
		}

		buf := make([]byte, 1024)
		for {
			n, err := serverConn.Read(buf)
			tot += n
			if err == io.EOF {
				return
			}
			if err != nil {
				t.Error(err)
				return
			}
		}
	}()

     *
     * @return a buffer from the cache, or a new one
     */
    byte[] getBuffer();

    /**
     * Return a buffer to the cache
     *
     * @param buf the buffer to return to the cache for reuse
     */
    void releaseBuffer(byte[] buf);

        final StringBuilder buf = new StringBuilder(20);
        for (int i = 0; i < s.length(); ++i) {
            char c = s.charAt(i);
            if (c == groupingSep) {
                continue;
            } else if (c == decimalSep) {
                c = '.';
            }
            buf.append(c);
        }
        return buf.toString();
    }

// Serialize `attrs` as a tensorflow::NameAttrList protocol buffer (into `buf`),
// containing the op name and a map of its attributes.
TF_CAPI_EXPORT extern void TFE_OpAttrsSerialize(const TFE_OpAttrs* attrs,
                                                TF_Buffer* buf,
                                                TF_Status* status);

        verifyNoMoreInteractions(cfg);

        // When cache is empty, getBuffer allocates a new buffer with configured size
        byte[] buf = impl.getBuffer();
        assertNotNull(buf, "getBuffer should never return null");
        assertEquals(5, buf.length, "Newly allocated buffer length should match config maximum size");
    }

    // Happy path: get -> release -> get returns same instance, zeroed on release

    public void test_appendFilterPath() {
        GsaConfigParser parser = new GsaConfigParser();
        StringBuilder buf = new StringBuilder();

        assertEquals("", parser.appendFileterPath(buf, ""));
        assertEquals("", parser.appendFileterPath(buf, null));
        assertEquals("", parser.appendFileterPath(buf, "   "));

        assertEquals("^test.*", parser.appendFileterPath(new StringBuilder(), "^test"));

    @Test
    @DisplayName("readSecurityBuffer correctly extracts data")
    void testReadSecurityBuffer() {
        byte[] buf = new byte[8 + 4];
        byte[] payload = { 0x11, 0x22, 0x33, 0x44 };
        NtlmMessage.writeSecurityBuffer(buf, 0, 8, payload);
        byte[] extracted = NtlmMessage.readSecurityBuffer(buf, 0);
        assertArrayEquals(payload, extracted, "Payload should match original");
    }

    @Test

                final StringBuilder buf = new StringBuilder(100);
                buf.append(tokenUrl);
                if (StringUtil.isNotBlank(tokenReqParams)) {
                    if (tokenUrl.indexOf('?') >= 0) {
                        buf.append('&');
                    } else {
                        buf.append('?');
                    }
                    buf.append(tokenReqParams);
                }

                    }
                    final char[] newBuf = new char[newBufferSize];
                    System.arraycopy(buf, 0, newBuf, 0, bufferSize);
                    buf = newBuf;
                    bufferSize = newBufferSize;
                }
            }
            return new String(buf, 0, size);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

        final StringBuilder buf = new StringBuilder(100);
        buf.append(methodName).append("(");
        if (argTypes != null && argTypes.length > 0) {
            for (final Class<?> argType : argTypes) {
                buf.append(argType.getName()).append(", ");
            }
            buf.setLength(buf.length() - 2);
        }
        buf.append(")");
        return new String(buf);
    }