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neovim/src/nvim/testdir/test_vimscript.vim
Jan Edmund Lazo b457a58e34 vim-patch:8.1.0990: floating point exception with "%= 0" and "/= 0" 
Problem:    Floating point exception with "%= 0" and "/= 0".
Solution:   Avoid dividing by zero. (Dominique Pelle, closes vim/vim#4058)
e21c1580b7
2019-07-28 17:19:20 -04:00

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" Test various aspects of the Vim script language.
" Most of this was formerly in test49.
"-------------------------------------------------------------------------------
" Test environment {{{1
"-------------------------------------------------------------------------------
com! XpathINIT let g:Xpath = ''
com! -nargs=1 -bar Xpath let g:Xpath = g:Xpath . <args>
" Append a message to the "messages" file
func! Xout(text)
split messages
$put =a:text
wq
endfunc
com! -nargs=1 Xout call Xout(<args>)
" MakeScript() - Make a script file from a function. {{{2
"
" Create a script that consists of the body of the function a:funcname.
" Replace any ":return" by a ":finish", any argument variable by a global
" variable, and every ":call" by a ":source" for the next following argument
" in the variable argument list. This function is useful if similar tests are
" to be made for a ":return" from a function call or a ":finish" in a script
" file.
function! MakeScript(funcname, ...)
let script = tempname()
execute "redir! >" . script
execute "function" a:funcname
redir END
execute "edit" script
" Delete the "function" and the "endfunction" lines. Do not include the
" word "function" in the pattern since it might be translated if LANG is
" set. When MakeScript() is being debugged, this deletes also the debugging
" output of its line 3 and 4.
exec '1,/.*' . a:funcname . '(.*)/d'
/^\d*\s*endfunction\>/,$d
%s/^\d*//e
%s/return/finish/e
%s/\<a:\(\h\w*\)/g:\1/ge
normal gg0
let cnt = 0
while search('\<call\s*\%(\u\|s:\)\w*\s*(.*)', 'W') > 0
let cnt = cnt + 1
s/\<call\s*\%(\u\|s:\)\w*\s*(.*)/\='source ' . a:{cnt}/
endwhile
g/^\s*$/d
write
bwipeout
return script
endfunction
" ExecAsScript - Source a temporary script made from a function. {{{2
"
" Make a temporary script file from the function a:funcname, ":source" it, and
" delete it afterwards. However, if an exception is thrown the file may remain,
" the caller should call DeleteTheScript() afterwards.
let s:script_name = ''
function! ExecAsScript(funcname)
" Make a script from the function passed as argument.
let s:script_name = MakeScript(a:funcname)
" Source and delete the script.
exec "source" s:script_name
call delete(s:script_name)
let s:script_name = ''
endfunction
function! DeleteTheScript()
if s:script_name
call delete(s:script_name)
let s:script_name = ''
endif
endfunc
com! -nargs=1 -bar ExecAsScript call ExecAsScript(<f-args>)
"-------------------------------------------------------------------------------
" Test 1: :endwhile in function {{{1
"
" Detect if a broken loop is (incorrectly) reactivated by the
" :endwhile. Use a :return to prevent an endless loop, and make
" this test first to get a meaningful result on an error before other
" tests will hang.
"-------------------------------------------------------------------------------
function! T1_F()
Xpath 'a'
let first = 1
while 1
Xpath 'b'
if first
Xpath 'c'
let first = 0
break
else
Xpath 'd'
return
endif
endwhile
endfunction
function! T1_G()
Xpath 'h'
let first = 1
while 1
Xpath 'i'
if first
Xpath 'j'
let first = 0
break
else
Xpath 'k'
return
endif
if 1 " unmatched :if
endwhile
endfunction
func Test_endwhile_function()
XpathINIT
call T1_F()
Xpath 'F'
try
call T1_G()
catch
" Catch missing :endif
call assert_true(v:exception =~ 'E171')
Xpath 'x'
endtry
Xpath 'G'
call assert_equal('abcFhijxG', g:Xpath)
endfunc
"-------------------------------------------------------------------------------
" Test 2: :endwhile in script {{{1
"
" Detect if a broken loop is (incorrectly) reactivated by the
" :endwhile. Use a :finish to prevent an endless loop, and place
" this test before others that might hang to get a meaningful result
" on an error.
"
" This test executes the bodies of the functions T1_F and T1_G from
" the previous test as script files (:return replaced by :finish).
"-------------------------------------------------------------------------------
func Test_endwhile_script()
XpathINIT
ExecAsScript T1_F
Xpath 'F'
call DeleteTheScript()
try
ExecAsScript T1_G
catch
" Catch missing :endif
call assert_true(v:exception =~ 'E171')
Xpath 'x'
endtry
Xpath 'G'
call DeleteTheScript()
call assert_equal('abcFhijxG', g:Xpath)
endfunc
"-------------------------------------------------------------------------------
" Test 3: :if, :elseif, :while, :continue, :break {{{1
"-------------------------------------------------------------------------------
function Test_if_while()
XpathINIT
if 1
Xpath 'a'
let loops = 3
while loops > -1 " main loop: loops == 3, 2, 1 (which breaks)
if loops <= 0
let break_err = 1
let loops = -1
else
Xpath 'b' . loops
endif
if (loops == 2)
while loops == 2 " dummy loop
Xpath 'c' . loops
let loops = loops - 1
continue " stop dummy loop
Xpath 'd' . loops
endwhile
continue " continue main loop
Xpath 'e' . loops
elseif (loops == 1)
let p = 1
while p " dummy loop
Xpath 'f' . loops
let p = 0
break " break dummy loop
Xpath 'g' . loops
endwhile
Xpath 'h' . loops
unlet p
break " break main loop
Xpath 'i' . loops
endif
if (loops > 0)
Xpath 'j' . loops
endif
while loops == 3 " dummy loop
let loops = loops - 1
endwhile " end dummy loop
endwhile " end main loop
Xpath 'k'
else
Xpath 'l'
endif
Xpath 'm'
if exists("break_err")
Xpath 'm'
unlet break_err
endif
unlet loops
call assert_equal('ab3j3b2c2b1f1h1km', g:Xpath)
endfunc
"-------------------------------------------------------------------------------
" Test 4: :return {{{1
"-------------------------------------------------------------------------------
function! T4_F()
if 1
Xpath 'a'
let loops = 3
while loops > 0 " 3: 2: 1:
Xpath 'b' . loops
if (loops == 2)
Xpath 'c' . loops
return
Xpath 'd' . loops
endif
Xpath 'e' . loops
let loops = loops - 1
endwhile
Xpath 'f'
else
Xpath 'g'
endif
endfunction
function Test_return()
XpathINIT
call T4_F()
Xpath '4'
call assert_equal('ab3e3b2c24', g:Xpath)
endfunction
"-------------------------------------------------------------------------------
" Test 5: :finish {{{1
"
" This test executes the body of the function T4_F from the previous
" test as a script file (:return replaced by :finish).
"-------------------------------------------------------------------------------
function Test_finish()
XpathINIT
ExecAsScript T4_F
Xpath '5'
call DeleteTheScript()
call assert_equal('ab3e3b2c25', g:Xpath)
endfunction
"-------------------------------------------------------------------------------
" Test 6: Defining functions in :while loops {{{1
"
" Functions can be defined inside other functions. An inner function
" gets defined when the outer function is executed. Functions may
" also be defined inside while loops. Expressions in braces for
" defining the function name are allowed.
"
" The functions are defined when sourcing the script, only the
" resulting path is checked in the test function.
"-------------------------------------------------------------------------------
XpathINIT
" The command CALL collects the argument of all its invocations in "calls"
" when used from a function (that is, when the global variable "calls" needs
" the "g:" prefix). This is to check that the function code is skipped when
" the function is defined. For inner functions, do so only if the outer
" function is not being executed.
"
let calls = ""
com! -nargs=1 CALL
\ if !exists("calls") && !exists("outer") |
\ let g:calls = g:calls . <args> |
\ endif
let i = 0
while i < 3
let i = i + 1
if i == 1
Xpath 'a'
function! F1(arg)
CALL a:arg
let outer = 1
let j = 0
while j < 1
Xpath 'b'
let j = j + 1
function! G1(arg)
CALL a:arg
endfunction
Xpath 'c'
endwhile
endfunction
Xpath 'd'
continue
endif
Xpath 'e' . i
function! F{i}(i, arg)
CALL a:arg
let outer = 1
if a:i == 3
Xpath 'f'
endif
let k = 0
while k < 3
Xpath 'g' . k
let k = k + 1
function! G{a:i}{k}(arg)
CALL a:arg
endfunction
Xpath 'h' . k
endwhile
endfunction
Xpath 'i'
endwhile
if exists("*G1")
Xpath 'j'
endif
if exists("*F1")
call F1("F1")
if exists("*G1")
call G1("G1")
endif
endif
if exists("G21") || exists("G22") || exists("G23")
Xpath 'k'
endif
if exists("*F2")
call F2(2, "F2")
if exists("*G21")
call G21("G21")
endif
if exists("*G22")
call G22("G22")
endif
if exists("*G23")
call G23("G23")
endif
endif
if exists("G31") || exists("G32") || exists("G33")
Xpath 'l'
endif
if exists("*F3")
call F3(3, "F3")
if exists("*G31")
call G31("G31")
endif
if exists("*G32")
call G32("G32")
endif
if exists("*G33")
call G33("G33")
endif
endif
Xpath 'm'
let g:test6_result = g:Xpath
let g:test6_calls = calls
unlet calls
delfunction F1
delfunction G1
delfunction F2
delfunction G21
delfunction G22
delfunction G23
delfunction G31
delfunction G32
delfunction G33
function Test_defining_functions()
call assert_equal('ade2ie3ibcg0h1g1h2g2h3fg0h1g1h2g2h3m', g:test6_result)
call assert_equal('F1G1F2G21G22G23F3G31G32G33', g:test6_calls)
endfunc
"-------------------------------------------------------------------------------
" Test 7: Continuing on errors outside functions {{{1
"
" On an error outside a function, the script processing continues
" at the line following the outermost :endif or :endwhile. When not
" inside an :if or :while, the script processing continues at the next
" line.
"-------------------------------------------------------------------------------
XpathINIT
if 1
Xpath 'a'
while 1
Xpath 'b'
asdf
Xpath 'c'
break
endwhile | Xpath 'd'
Xpath 'e'
endif | Xpath 'f'
Xpath 'g'
while 1
Xpath 'h'
if 1
Xpath 'i'
asdf
Xpath 'j'
endif | Xpath 'k'
Xpath 'l'
break
endwhile | Xpath 'm'
Xpath 'n'
asdf
Xpath 'o'
asdf | Xpath 'p'
Xpath 'q'
let g:test7_result = g:Xpath
func Test_error_in_script()
call assert_equal('abghinoq', g:test7_result)
endfunc
"-------------------------------------------------------------------------------
" Test 8: Aborting and continuing on errors inside functions {{{1
"
" On an error inside a function without the "abort" attribute, the
" script processing continues at the next line (unless the error was
" in a :return command). On an error inside a function with the
" "abort" attribute, the function is aborted and the script processing
" continues after the function call; the value -1 is returned then.
"-------------------------------------------------------------------------------
XpathINIT
function! T8_F()
if 1
Xpath 'a'
while 1
Xpath 'b'
asdf
Xpath 'c'
asdf | Xpath 'd'
Xpath 'e'
break
endwhile
Xpath 'f'
endif | Xpath 'g'
Xpath 'h'
while 1
Xpath 'i'
if 1
Xpath 'j'
asdf
Xpath 'k'
asdf | Xpath 'l'
Xpath 'm'
endif
Xpath 'n'
break
endwhile | Xpath 'o'
Xpath 'p'
return novar " returns (default return value 0)
Xpath 'q'
return 1 " not reached
endfunction
function! T8_G() abort
if 1
Xpath 'r'
while 1
Xpath 's'
asdf " returns -1
Xpath 't'
break
endwhile
Xpath 'v'
endif | Xpath 'w'
Xpath 'x'
return -4 " not reached
endfunction
function! T8_H() abort
while 1
Xpath 'A'
if 1
Xpath 'B'
asdf " returns -1
Xpath 'C'
endif
Xpath 'D'
break
endwhile | Xpath 'E'
Xpath 'F'
return -4 " not reached
endfunction
" Aborted functions (T8_G and T8_H) return -1.
let g:test8_sum = (T8_F() + 1) - 4 * T8_G() - 8 * T8_H()
Xpath 'X'
let g:test8_result = g:Xpath
func Test_error_in_function()
call assert_equal(13, g:test8_sum)
call assert_equal('abcefghijkmnoprsABX', g:test8_result)
delfunction T8_F
delfunction T8_G
delfunction T8_H
endfunc
"-------------------------------------------------------------------------------
" Test 9: Continuing after aborted functions {{{1
"
" When a function with the "abort" attribute is aborted due to an
" error, the next function back in the call hierarchy without an
" "abort" attribute continues; the value -1 is returned then.
"-------------------------------------------------------------------------------
XpathINIT
function! F() abort
Xpath 'a'
let result = G() " not aborted
Xpath 'b'
if result != 2
Xpath 'c'
endif
return 1
endfunction
function! G() " no abort attribute
Xpath 'd'
if H() != -1 " aborted
Xpath 'e'
endif
Xpath 'f'
return 2
endfunction
function! H() abort
Xpath 'g'
call I() " aborted
Xpath 'h'
return 4
endfunction
function! I() abort
Xpath 'i'
asdf " error
Xpath 'j'
return 8
endfunction
if F() != 1
Xpath 'k'
endif
let g:test9_result = g:Xpath
delfunction F
delfunction G
delfunction H
delfunction I
func Test_func_abort()
call assert_equal('adgifb', g:test9_result)
endfunc
"-------------------------------------------------------------------------------
" Test 10: :if, :elseif, :while argument parsing {{{1
"
" A '"' or '|' in an argument expression must not be mixed up with
" a comment or a next command after a bar. Parsing errors should
" be recognized.
"-------------------------------------------------------------------------------
XpathINIT
function! MSG(enr, emsg)
let english = v:lang == "C" || v:lang =~ '^[Ee]n'
if a:enr == ""
Xout "TODO: Add message number for:" a:emsg
let v:errmsg = ":" . v:errmsg
endif
let match = 1
if v:errmsg !~ '^'.a:enr.':' || (english && v:errmsg !~ a:emsg)
let match = 0
if v:errmsg == ""
Xout "Message missing."
else
let v:errmsg = escape(v:errmsg, '"')
Xout "Unexpected message:" v:errmsg
endif
endif
return match
endfunction
if 1 || strlen("\"") | Xpath 'a'
Xpath 'b'
endif
Xpath 'c'
if 0
elseif 1 || strlen("\"") | Xpath 'd'
Xpath 'e'
endif
Xpath 'f'
while 1 || strlen("\"") | Xpath 'g'
Xpath 'h'
break
endwhile
Xpath 'i'
let v:errmsg = ""
if 1 ||| strlen("\"") | Xpath 'j'
Xpath 'k'
endif
Xpath 'l'
if !MSG('E15', "Invalid expression")
Xpath 'm'
endif
let v:errmsg = ""
if 0
elseif 1 ||| strlen("\"") | Xpath 'n'
Xpath 'o'
endif
Xpath 'p'
if !MSG('E15', "Invalid expression")
Xpath 'q'
endif
let v:errmsg = ""
while 1 ||| strlen("\"") | Xpath 'r'
Xpath 's'
break
endwhile
Xpath 't'
if !MSG('E15', "Invalid expression")
Xpath 'u'
endif
let g:test10_result = g:Xpath
delfunction MSG
func Test_expr_parsing()
call assert_equal('abcdefghilpt', g:test10_result)
endfunc
"-------------------------------------------------------------------------------
" Test 11: :if, :elseif, :while argument evaluation after abort {{{1
"
" When code is skipped over due to an error, the boolean argument to
" an :if, :elseif, or :while must not be evaluated.
"-------------------------------------------------------------------------------
XpathINIT
let calls = 0
function! P(num)
let g:calls = g:calls + a:num " side effect on call
return 0
endfunction
if 1
Xpath 'a'
asdf " error
Xpath 'b'
if P(1) " should not be called
Xpath 'c'
elseif !P(2) " should not be called
Xpath 'd'
else
Xpath 'e'
endif
Xpath 'f'
while P(4) " should not be called
Xpath 'g'
endwhile
Xpath 'h'
endif
Xpath 'x'
let g:test11_calls = calls
let g:test11_result = g:Xpath
unlet calls
delfunction P
func Test_arg_abort()
call assert_equal(0, g:test11_calls)
call assert_equal('ax', g:test11_result)
endfunc
"-------------------------------------------------------------------------------
" Test 12: Expressions in braces in skipped code {{{1
"
" In code skipped over due to an error or inactive conditional,
" an expression in braces as part of a variable or function name
" should not be evaluated.
"-------------------------------------------------------------------------------
XpathINIT
function! NULL()
Xpath 'a'
return 0
endfunction
function! ZERO()
Xpath 'b'
return 0
endfunction
function! F0()
Xpath 'c'
endfunction
function! F1(arg)
Xpath 'e'
endfunction
let V0 = 1
Xpath 'f'
echo 0 ? F{NULL() + V{ZERO()}}() : 1
Xpath 'g'
if 0
Xpath 'h'
call F{NULL() + V{ZERO()}}()
endif
Xpath 'i'
if 1
asdf " error
Xpath 'j'
call F1(F{NULL() + V{ZERO()}}())
endif
Xpath 'k'
if 1
asdf " error
Xpath 'l'
call F{NULL() + V{ZERO()}}()
endif
let g:test12_result = g:Xpath
func Test_braces_skipped()
call assert_equal('fgik', g:test12_result)
endfunc
"-------------------------------------------------------------------------------
" Test 13: Failure in argument evaluation for :while {{{1
"
" A failure in the expression evaluation for the condition of a :while
" causes the whole :while loop until the matching :endwhile being
" ignored. Continuation is at the next following line.
"-------------------------------------------------------------------------------
XpathINIT
Xpath 'a'
while asdf
Xpath 'b'
while 1
Xpath 'c'
break
endwhile
Xpath 'd'
break
endwhile
Xpath 'e'
while asdf | Xpath 'f' | endwhile | Xpath 'g'
Xpath 'h'
let g:test13_result = g:Xpath
func Test_while_fail()
call assert_equal('aeh', g:test13_result)
endfunc
"-------------------------------------------------------------------------------
" Test 14: Failure in argument evaluation for :if {{{1
"
" A failure in the expression evaluation for the condition of an :if
" does not cause the corresponding :else or :endif being matched to
" a previous :if/:elseif. Neither of both branches of the failed :if
" are executed.
"-------------------------------------------------------------------------------
XpathINIT
function! F()
Xpath 'a'
let x = 0
if x " false
Xpath 'b'
elseif !x " always true
Xpath 'c'
let x = 1
if g:boolvar " possibly undefined
Xpath 'd'
else
Xpath 'e'
endif
Xpath 'f'
elseif x " never executed
Xpath 'g'
endif
Xpath 'h'
endfunction
let boolvar = 1
call F()
Xpath '-'
unlet boolvar
call F()
let g:test14_result = g:Xpath
delfunction F
func Test_if_fail()
call assert_equal('acdfh-acfh', g:test14_result)
endfunc
"-------------------------------------------------------------------------------
" Test 15: Failure in argument evaluation for :if (bar) {{{1
"
" Like previous test, except that the failing :if ... | ... | :endif
" is in a single line.
"-------------------------------------------------------------------------------
XpathINIT
function! F()
Xpath 'a'
let x = 0
if x " false
Xpath 'b'
elseif !x " always true
Xpath 'c'
let x = 1
if g:boolvar | Xpath 'd' | else | Xpath 'e' | endif
Xpath 'f'
elseif x " never executed
Xpath 'g'
endif
Xpath 'h'
endfunction
let boolvar = 1
call F()
Xpath '-'
unlet boolvar
call F()
let g:test15_result = g:Xpath
delfunction F
func Test_if_bar_fail()
call assert_equal('acdfh-acfh', g:test15_result)
endfunc
"-------------------------------------------------------------------------------
" Test 16: Recognizing {} in variable name. {{{1
"-------------------------------------------------------------------------------
func Test_curlies()
let s:var = 66
let ns = 's'
call assert_equal(66, {ns}:var)
let g:a = {}
let g:b = 't'
let g:a[g:b] = 77
call assert_equal(77, g:a['t'])
endfunc
"-------------------------------------------------------------------------------
" Test 91: using type(). {{{1
"-------------------------------------------------------------------------------
func Test_type()
call assert_equal(0, type(0))
call assert_equal(1, type(""))
call assert_equal(2, type(function("tr")))
call assert_equal(2, type(function("tr", [8])))
call assert_equal(3, type([]))
call assert_equal(4, type({}))
call assert_equal(5, type(0.0))
call assert_equal(6, type(v:false))
call assert_equal(6, type(v:true))
call assert_equal(7, type(v:null))
call assert_equal(v:t_number, type(0))
call assert_equal(v:t_string, type(""))
call assert_equal(v:t_func, type(function("tr")))
call assert_equal(v:t_list, type([]))
call assert_equal(v:t_dict, type({}))
call assert_equal(v:t_float, type(0.0))
call assert_equal(v:t_bool, type(v:false))
call assert_equal(v:t_bool, type(v:true))
endfunc
"-------------------------------------------------------------------------------
" Test 92: skipping code {{{1
"-------------------------------------------------------------------------------
func Test_skip()
let Fn = function('Test_type')
call assert_false(0 && Fn[1])
call assert_false(0 && string(Fn))
call assert_false(0 && len(Fn))
let l = []
call assert_false(0 && l[1])
call assert_false(0 && string(l))
call assert_false(0 && len(l))
let f = 1.0
call assert_false(0 && f[1])
call assert_false(0 && string(f))
call assert_false(0 && len(f))
let sp = v:null
call assert_false(0 && sp[1])
call assert_false(0 && string(sp))
call assert_false(0 && len(sp))
endfunc
"-------------------------------------------------------------------------------
" Test 93: :echo and string() {{{1
"-------------------------------------------------------------------------------
func Test_echo_and_string()
" String
let a = 'foo bar'
redir => result
echo a
echo string(a)
redir END
let l = split(result, "\n")
call assert_equal(["foo bar",
\ "'foo bar'"], l)
" Float
if has('float')
let a = -1.2e0
redir => result
echo a
echo string(a)
redir END
let l = split(result, "\n")
call assert_equal(["-1.2",
\ "-1.2"], l)
endif
" Funcref
redir => result
echo function('string')
echo string(function('string'))
redir END
let l = split(result, "\n")
call assert_equal(["string",
\ "function('string')"], l)
" Empty dictionaries in a list
let a = {}
redir => result
echo [a, a, a]
echo string([a, a, a])
redir END
let l = split(result, "\n")
call assert_equal(["[{}, {}, {}]",
\ "[{}, {}, {}]"], l)
" Empty dictionaries in a dictionary
let a = {}
let b = {"a": a, "b": a}
redir => result
echo b
echo string(b)
redir END
let l = split(result, "\n")
call assert_equal(["{'a': {}, 'b': {}}",
\ "{'a': {}, 'b': {}}"], l)
" Empty lists in a list
let a = []
redir => result
echo [a, a, a]
echo string([a, a, a])
redir END
let l = split(result, "\n")
call assert_equal(["[[], [], []]",
\ "[[], [], []]"], l)
" Empty lists in a dictionary
let a = []
let b = {"a": a, "b": a}
redir => result
echo b
echo string(b)
redir END
let l = split(result, "\n")
call assert_equal(["{'a': [], 'b': []}",
\ "{'a': [], 'b': []}"], l)
endfunc
"-------------------------------------------------------------------------------
" Test 94: 64-bit Numbers {{{1
"-------------------------------------------------------------------------------
func Test_num64()
if !has('num64')
return
endif
call assert_notequal( 4294967296, 0)
call assert_notequal(-4294967296, 0)
call assert_equal( 4294967296, 0xFFFFffff + 1)
call assert_equal(-4294967296, -0xFFFFffff - 1)
call assert_equal( 9223372036854775807, 1 / 0)
call assert_equal(-9223372036854775807, -1 / 0)
call assert_equal(-9223372036854775807 - 1, 0 / 0)
call assert_equal( 0x7FFFffffFFFFffff, float2nr( 1.0e150))
call assert_equal(-0x7FFFffffFFFFffff, float2nr(-1.0e150))
let rng = range(0xFFFFffff, 0x100000001)
call assert_equal([0xFFFFffff, 0x100000000, 0x100000001], rng)
call assert_equal(0x100000001, max(rng))
call assert_equal(0xFFFFffff, min(rng))
call assert_equal(rng, sort(range(0x100000001, 0xFFFFffff, -1), 'N'))
endfunc
"-------------------------------------------------------------------------------
" Test 95: lines of :append, :change, :insert {{{1
"-------------------------------------------------------------------------------
function! DefineFunction(name, body)
let func = join(['function! ' . a:name . '()'] + a:body + ['endfunction'], "\n")
exec func
endfunction
func Test_script_lines()
" :append
try
call DefineFunction('T_Append', [
\ 'append',
\ 'py <<EOS',
\ '.',
\ ])
catch
call assert_report("Can't define function")
endtry
try
call DefineFunction('T_Append', [
\ 'append',
\ 'abc',
\ ])
call assert_report("Shouldn't be able to define function")
catch
call assert_exception('Vim(function):E126: Missing :endfunction')
endtry
" :change
try
call DefineFunction('T_Change', [
\ 'change',
\ 'py <<EOS',
\ '.',
\ ])
catch
call assert_report("Can't define function")
endtry
try
call DefineFunction('T_Change', [
\ 'change',
\ 'abc',
\ ])
call assert_report("Shouldn't be able to define function")
catch
call assert_exception('Vim(function):E126: Missing :endfunction')
endtry
" :insert
try
call DefineFunction('T_Insert', [
\ 'insert',
\ 'py <<EOS',
\ '.',
\ ])
catch
call assert_report("Can't define function")
endtry
try
call DefineFunction('T_Insert', [
\ 'insert',
\ 'abc',
\ ])
call assert_report("Shouldn't be able to define function")
catch
call assert_exception('Vim(function):E126: Missing :endfunction')
endtry
endfunc
"-------------------------------------------------------------------------------
" Test 96: line continuation {{{1
"
" Undefined behavior was detected by ubsan with line continuation
" after an empty line.
"-------------------------------------------------------------------------------
func Test_script_emty_line_continuation()
\
endfunc
"-------------------------------------------------------------------------------
" Test 97: bitwise functions {{{1
"-------------------------------------------------------------------------------
func Test_bitwise_functions()
" and
call assert_equal(127, and(127, 127))
call assert_equal(16, and(127, 16))
call assert_equal(0, and(127, 128))
call assert_fails("call and(1.0, 1)", 'E805:')
call assert_fails("call and([], 1)", 'E745:')
call assert_fails("call and({}, 1)", 'E728:')
call assert_fails("call and(1, 1.0)", 'E805:')
call assert_fails("call and(1, [])", 'E745:')
call assert_fails("call and(1, {})", 'E728:')
" or
call assert_equal(23, or(16, 7))
call assert_equal(15, or(8, 7))
call assert_equal(123, or(0, 123))
call assert_fails("call or(1.0, 1)", 'E805:')
call assert_fails("call or([], 1)", 'E745:')
call assert_fails("call or({}, 1)", 'E728:')
call assert_fails("call or(1, 1.0)", 'E805:')
call assert_fails("call or(1, [])", 'E745:')
call assert_fails("call or(1, {})", 'E728:')
" xor
call assert_equal(0, xor(127, 127))
call assert_equal(111, xor(127, 16))
call assert_equal(255, xor(127, 128))
call assert_fails("call xor(1.0, 1)", 'E805:')
call assert_fails("call xor([], 1)", 'E745:')
call assert_fails("call xor({}, 1)", 'E728:')
call assert_fails("call xor(1, 1.0)", 'E805:')
call assert_fails("call xor(1, [])", 'E745:')
call assert_fails("call xor(1, {})", 'E728:')
" invert
call assert_equal(65408, and(invert(127), 65535))
call assert_equal(65519, and(invert(16), 65535))
call assert_equal(65407, and(invert(128), 65535))
call assert_fails("call invert(1.0)", 'E805:')
call assert_fails("call invert([])", 'E745:')
call assert_fails("call invert({})", 'E728:')
endfunc
" Test trailing text after :endfunction {{{1
func Test_endfunction_trailing()
call assert_false(exists('*Xtest'))
exe "func Xtest()\necho 'hello'\nendfunc\nlet done = 'yes'"
call assert_true(exists('*Xtest'))
call assert_equal('yes', done)
delfunc Xtest
unlet done
exe "func Xtest()\necho 'hello'\nendfunc|let done = 'yes'"
call assert_true(exists('*Xtest'))
call assert_equal('yes', done)
delfunc Xtest
unlet done
" trailing line break
exe "func Xtest()\necho 'hello'\nendfunc\n"
call assert_true(exists('*Xtest'))
delfunc Xtest
set verbose=1
exe "func Xtest()\necho 'hello'\nendfunc \" garbage"
call assert_notmatch('W22:', split(execute('1messages'), "\n")[0])
call assert_true(exists('*Xtest'))
delfunc Xtest
exe "func Xtest()\necho 'hello'\nendfunc garbage"
call assert_match('W22:', split(execute('1messages'), "\n")[0])
call assert_true(exists('*Xtest'))
delfunc Xtest
set verbose=0
function Foo()
echo 'hello'
endfunction | echo 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
delfunc Foo
endfunc
func Test_delfunction_force()
delfunc! Xtest
delfunc! Xtest
func Xtest()
echo 'nothing'
endfunc
delfunc! Xtest
delfunc! Xtest
endfunc
" Test using bang after user command {{{1
func Test_user_command_with_bang()
command -bang Nieuw let nieuw = 1
Ni!
call assert_equal(1, nieuw)
unlet nieuw
delcommand Nieuw
endfunc
" Test for script-local function
func <SID>DoLast()
call append(line('$'), "last line")
endfunc
func s:DoNothing()
call append(line('$'), "nothing line")
endfunc
func Test_script_local_func()
set nocp viminfo+=nviminfo
new
nnoremap <buffer> _x :call <SID>DoNothing()<bar>call <SID>DoLast()<bar>delfunc <SID>DoNothing<bar>delfunc <SID>DoLast<cr>
normal _x
call assert_equal('nothing line', getline(2))
call assert_equal('last line', getline(3))
enew! | close
endfunc
func Test_compound_assignment_operators()
" Test for number
let x = 1
let x += 10
call assert_equal(11, x)
let x -= 5
call assert_equal(6, x)
let x *= 4
call assert_equal(24, x)
let x /= 3
call assert_equal(8, x)
let x %= 3
call assert_equal(2, x)
let x .= 'n'
call assert_equal('2n', x)
" Test special cases: division or modulus with 0.
let x = 1
let x /= 0
if has('num64')
call assert_equal(0x7FFFFFFFFFFFFFFF, x)
else
call assert_equal(0x7fffffff, x)
endif
let x = -1
let x /= 0
if has('num64')
call assert_equal(-0x7FFFFFFFFFFFFFFF, x)
else
call assert_equal(-0x7fffffff, x)
endif
let x = 0
let x /= 0
if has('num64')
call assert_equal(-0x7FFFFFFFFFFFFFFF - 1, x)
else
call assert_equal(-0x7FFFFFFF - 1, x)
endif
let x = 1
let x %= 0
call assert_equal(0, x)
let x = -1
let x %= 0
call assert_equal(0, x)
let x = 0
let x %= 0
call assert_equal(0, x)
" Test for string
let x = 'str'
let x .= 'ing'
call assert_equal('string', x)
let x += 1
call assert_equal(1, x)
let x -= 1.5
call assert_equal(-0.5, x)
if has('float')
" Test for float
let x = 0.5
let x += 4.5
call assert_equal(5.0, x)
let x -= 1.5
call assert_equal(3.5, x)
let x *= 3.0
call assert_equal(10.5, x)
let x /= 2.5
call assert_equal(4.2, x)
call assert_fails('let x %= 0.5', 'E734')
call assert_fails('let x .= "f"', 'E734')
endif
" Test for environment variable
let $FOO = 1
call assert_fails('let $FOO += 1', 'E734')
call assert_fails('let $FOO -= 1', 'E734')
call assert_fails('let $FOO *= 1', 'E734')
call assert_fails('let $FOO /= 1', 'E734')
call assert_fails('let $FOO %= 1', 'E734')
let $FOO .= 's'
call assert_equal('1s', $FOO)
unlet $FOO
" Test for option variable (type: number)
let &scrolljump = 1
let &scrolljump += 5
call assert_equal(6, &scrolljump)
let &scrolljump -= 2
call assert_equal(4, &scrolljump)
let &scrolljump *= 3
call assert_equal(12, &scrolljump)
let &scrolljump /= 2
call assert_equal(6, &scrolljump)
let &scrolljump %= 5
call assert_equal(1, &scrolljump)
call assert_fails('let &scrolljump .= "j"', 'E734')
set scrolljump&vim
" Test for register
let @/ = 1
call assert_fails('let @/ += 1', 'E734')
call assert_fails('let @/ -= 1', 'E734')
call assert_fails('let @/ *= 1', 'E734')
call assert_fails('let @/ /= 1', 'E734')
call assert_fails('let @/ %= 1', 'E734')
let @/ .= 's'
call assert_equal('1s', @/)
let @/ = ''
endfunc
"-------------------------------------------------------------------------------
" Modelines {{{1
" vim: ts=8 sw=4 tw=80 fdm=marker
"-------------------------------------------------------------------------------
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