==================
keep alive = yes
==================

TCPKeepAlive yes

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
keep alive = Yes
==================

TCPKeepAlive Yes

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
keep alive = true
==================

TCPKeepAlive true

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
keep alive = True
==================

TCPKeepAlive True

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
keep alive = no
==================

TCPKeepAlive no

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
keep alive = No
==================

TCPKeepAlive No

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
keep alive = false
==================

TCPKeepAlive false

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
keep alive = False
==================

TCPKeepAlive False

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
use irregular casing
==================

TCPKeEPAlive yes

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
can use equals sign
==================

TCPKeEPAlive=yes

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
can use equals sign with whitespace
==================

TCPKeEPAlive = yes

---

(client_config
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
can be specified after host
==================

Host example.com
  TCPKeepAlive no

---

(client_config
  (host
    (host_value))
  (tcp_keep_alive
    (tcp_keep_alive_value)))

==================
detect invalid values
==================

TCPKeEPAlive ja

---

(client_config
  (ERROR
    (UNEXPECTED 'j')))
