Zabbix

---

test case: 'Valid expression "1 and not(0 or 1)"'

in:

  expression: '1 and not(0 or 1)'

out:

  value: '0'

  return: 'SUCCEED'

---

test case: 'Unknown comparison'

in:

  expression: 'ZBX_UNKNOWN0 = ZBX_UNKNOWN0'

out:

  value: 'ZBX_UNKNOWN'

  return: 'SUCCEED'

---

test case: 'Unknown comparison'

in:

  expression: 'ZBX_UNKNOWN0 = ZBX_UNKNOWN1'

out:

  value: 'ZBX_UNKNOWN'

  return: 'SUCCEED'

---

test case: 'Expression with unknown element "1 or ZBX_UNKNOWN0"'

in:

  expression: '1 or ZBX_UNKNOWN0'

out:

  value: '1'

  return: 'SUCCEED'

---

test case: 'Expression with unknown element "1 or not(ZBX_UNKNOWN0)"'

in:

  expression: '1 or not(ZBX_UNKNOWN0)'

out:

  value: '1'

  return: 'SUCCEED'

---

test case: 'Expression with unknown result "1 and not(ZBX_UNKNOWN0)"'

in:

  expression: '1 and not(ZBX_UNKNOWN0)'

out:

  value: 'ZBX_UNKNOWN'

  return: 'SUCCEED'

---

test case: 'Expression with unknown result "1 > ZBX_UNKNOWN0"'

in:

  expression: '1 > ZBX_UNKNOWN0'

out:

  value: 'ZBX_UNKNOWN'

  return: 'SUCCEED'

---

test case: 'Expression with unknown result "1 - ZBX_UNKNOWN0"'

in:

  expression: '1 - ZBX_UNKNOWN0'

out:

  value: 'ZBX_UNKNOWN'

  return: 'SUCCEED'

...