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-rw-r--r--src/testdir/check.vim194
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diff --git a/src/testdir/check.vim b/src/testdir/check.vim
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+source shared.vim
+source term_util.vim
+
+command -nargs=1 MissingFeature throw 'Skipped: ' .. <args> .. ' feature missing'
+
+" Command to check for the presence of a feature.
+command -nargs=1 CheckFeature call CheckFeature(<f-args>)
+func CheckFeature(name)
+ if !has(a:name, 1)
+ throw 'Checking for non-existent feature ' .. a:name
+ endif
+ if !has(a:name)
+ MissingFeature a:name
+ endif
+endfunc
+
+" Command to check for the presence of a working option.
+command -nargs=1 CheckOption call CheckOption(<f-args>)
+func CheckOption(name)
+ if !exists('&' .. a:name)
+ throw 'Checking for non-existent option ' .. a:name
+ endif
+ if !exists('+' .. a:name)
+ throw 'Skipped: ' .. a:name .. ' option not supported'
+ endif
+endfunc
+
+" Command to check for the presence of a built-in function.
+command -nargs=1 CheckFunction call CheckFunction(<f-args>)
+func CheckFunction(name)
+ if !exists('?' .. a:name)
+ throw 'Checking for non-existent function ' .. a:name
+ endif
+ if !exists('*' .. a:name)
+ throw 'Skipped: ' .. a:name .. ' function missing'
+ endif
+endfunc
+
+" Command to check for the presence of an Ex command
+command -nargs=1 CheckCommand call CheckCommand(<f-args>)
+func CheckCommand(name)
+ if !exists(':' .. a:name)
+ throw 'Skipped: ' .. a:name .. ' command not supported'
+ endif
+endfunc
+
+" Command to check for the presence of a shell command
+command -nargs=1 CheckExecutable call CheckExecutable(<f-args>)
+func CheckExecutable(name)
+ if !executable(a:name)
+ throw 'Skipped: ' .. a:name .. ' program not executable'
+ endif
+endfunc
+
+" Command to check for the presence of python. Argument should have been
+" obtained with PythonProg()
+func CheckPython(name)
+ if a:name == ''
+ throw 'Skipped: python command not available'
+ endif
+endfunc
+
+" Command to check for running on MS-Windows
+command CheckMSWindows call CheckMSWindows()
+func CheckMSWindows()
+ if !has('win32')
+ throw 'Skipped: only works on MS-Windows'
+ endif
+endfunc
+
+" Command to check for NOT running on MS-Windows
+command CheckNotMSWindows call CheckNotMSWindows()
+func CheckNotMSWindows()
+ if has('win32')
+ throw 'Skipped: does not work on MS-Windows'
+ endif
+endfunc
+
+" Command to check for running on Unix
+command CheckUnix call CheckUnix()
+func CheckUnix()
+ if !has('unix')
+ throw 'Skipped: only works on Unix'
+ endif
+endfunc
+
+" Command to check for not running on a BSD system.
+" TODO: using this checks should not be needed
+command CheckNotBSD call CheckNotBSD()
+func CheckNotBSD()
+ if has('bsd')
+ throw 'Skipped: does not work on BSD'
+ endif
+endfunc
+
+" Command to check that making screendumps is supported.
+" Caller must source screendump.vim
+command CheckScreendump call CheckScreendump()
+func CheckScreendump()
+ if !CanRunVimInTerminal()
+ throw 'Skipped: cannot make screendumps'
+ endif
+endfunc
+
+" Command to check that we can Run Vim in a terminal window
+command CheckRunVimInTerminal call CheckRunVimInTerminal()
+func CheckRunVimInTerminal()
+ if !CanRunVimInTerminal()
+ throw 'Skipped: cannot run Vim in a terminal window'
+ endif
+endfunc
+
+" Command to check that we can run the GUI
+command CheckCanRunGui call CheckCanRunGui()
+func CheckCanRunGui()
+ if !has('gui') || ($DISPLAY == "" && !has('gui_running'))
+ throw 'Skipped: cannot start the GUI'
+ endif
+endfunc
+
+" Command to check that we are using the GUI
+command CheckGui call CheckGui()
+func CheckGui()
+ if !has('gui_running')
+ throw 'Skipped: only works in the GUI'
+ endif
+endfunc
+
+" Command to check that not currently using the GUI
+command CheckNotGui call CheckNotGui()
+func CheckNotGui()
+ if has('gui_running')
+ throw 'Skipped: only works in the terminal'
+ endif
+endfunc
+
+" Command to check that test is not running as root
+command CheckNotRoot call CheckNotRoot()
+func CheckNotRoot()
+ if IsRoot()
+ throw 'Skipped: cannot run test as root'
+ endif
+endfunc
+
+" Command to check that the current language is English
+command CheckEnglish call CheckEnglish()
+func CheckEnglish()
+ if v:lang != "C" && v:lang !~ '^[Ee]n'
+ throw 'Skipped: only works in English language environment'
+ endif
+endfunc
+
+" Command to check that loopback device has IPv6 address
+command CheckIPv6 call CheckIPv6()
+func CheckIPv6()
+ if !has('ipv6')
+ throw 'Skipped: cannot use IPv6 networking'
+ endif
+ if !exists('s:ipv6_loopback')
+ let s:ipv6_loopback = s:CheckIPv6Loopback()
+ endif
+ if !s:ipv6_loopback
+ throw 'Skipped: no IPv6 address for loopback device'
+ endif
+endfunc
+
+func s:CheckIPv6Loopback()
+ if has('win32')
+ return system('netsh interface ipv6 show interface') =~? '\<Loopback\>'
+ elseif filereadable('/proc/net/if_inet6')
+ return (match(readfile('/proc/net/if_inet6'), '\slo$') >= 0)
+ elseif executable('ifconfig')
+ for dev in ['lo0', 'lo', 'loop']
+ " NOTE: On SunOS, need specify address family 'inet6' to get IPv6 info.
+ if system('ifconfig ' .. dev .. ' inet6 2>/dev/null') =~? '\<inet6\>'
+ \ || system('ifconfig ' .. dev .. ' 2>/dev/null') =~? '\<inet6\>'
+ return v:true
+ endif
+ endfor
+ else
+ " TODO: How to check it in other platforms?
+ endif
+ return v:false
+endfunc
+
+" Command to check for not running under ASAN
+command CheckNotAsan call CheckNotAsan()
+func CheckNotAsan()
+ if execute('version') =~# '-fsanitize=[a-z,]*\<address\>'
+ throw 'Skipped: does not work with ASAN'
+ endif
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab