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vim-patch:7.4.1992

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Problem:    Values for true and false can be confusing.
Solution:   Update the documentation.  Add a test.  Make v:true evaluate to
            TRUE for a non-zero-arg.

e381d3d5e0
This commit is contained in:
James McCoy 2017-02-27 12:06:27 -05:00
parent eb6651b7a9
commit 2f5aee561e
5 changed files with 217 additions and 78 deletions
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151
runtime/doc/eval.txt
View File

@ -89,14 +89,30 @@ To force conversion from String to Number, add zero to it: >
To avoid a leading zero to cause octal conversion, or for using a different
base, use |str2nr()|.
*TRUE* *FALSE*
For boolean operators Numbers are used. Zero is FALSE, non-zero is TRUE.
You can also use |v:false| and |v:true|. When TRUE is returned from a
function it is the Number one, FALSE is the number zero.
Note that in the command >
Note that in the command: >
:if "foo"
"foo" is converted to 0, which means FALSE. To test for a non-empty string,
use empty(): >
:" NOT executed
"foo" is converted to 0, which means FALSE. If the string starts with a
non-zero number it means TRUE: >
:if "8foo"
:" executed
To test for a non-empty string, use empty(): >
:if !empty("foo")
< *E745* *E728* *E703* *E729* *E730* *E731*
<
*non-zero-arg*
Function arguments often behave slightly different from |TRUE|: If the
argument is present and it evaluates to a non-zero Number, |v:true| or a
non-empty String, then the value is considere to be TRUE.
Note that " " and "0" are also non-empty strings, thus cause the mode to be
cleared. A List, Dictionary or Float is not a Number or String, thus
evaluates to FALSE.
*E745* *E728* *E703* *E729* *E730* *E731*
List, Dictionary and Funcref types are not automatically converted.
*E805* *E806* *E808*
@ -684,7 +700,7 @@ expr1 *expr1* *E109*
expr2 ? expr1 : expr1
The expression before the '?' is evaluated to a number. If it evaluates to
non-zero, the result is the value of the expression between the '?' and ':',
|TRUE|, the result is the value of the expression between the '?' and ':',
otherwise the result is the value of the expression after the ':'.
Example: >
:echo lnum == 1 ? "top" : lnum
@ -714,10 +730,10 @@ are (converted to) Numbers. The result is:
input output ~
n1 n2 n1 || n2 n1 && n2 ~
zero zero zero zero
zero non-zero non-zero zero
non-zero zero non-zero zero
non-zero non-zero non-zero non-zero
|FALSE| |FALSE| |FALSE| |FALSE|
|FALSE| |TRUE| |TRUE| |FALSE|
|TRUE| |FALSE| |TRUE| |FALSE|
|TRUE| |TRUE| |TRUE| |TRUE|
The operators can be concatenated, for example: >
@ -733,8 +749,8 @@ arguments are not evaluated. This is like what happens in C. For example: >
let a = 1
echo a || b
This is valid even if there is no variable called "b" because "a" is non-zero,
so the result must be non-zero. Similarly below: >
This is valid even if there is no variable called "b" because "a" is |TRUE|,
so the result must be |TRUE|. Similarly below: >
echo exists("b") && b == "yes"
@ -896,7 +912,7 @@ expr7 *expr7*
- expr7 unary minus *expr-unary--*
+ expr7 unary plus *expr-unary-+*
For '!' non-zero becomes zero, zero becomes one.
For '!' |TRUE| becomes |FALSE|, |FALSE| becomes |TRUE| (one).
For '-' the sign of the number is changed.
For '+' the number is unchanged.
@ -1940,9 +1956,9 @@ atan2({expr}, {expr}) Float arc tangent of {expr1} / {expr2}
browse({save}, {title}, {initdir}, {default})
String put up a file requester
browsedir({title}, {initdir}) String put up a directory requester
bufexists({expr}) Number TRUE if buffer {expr} exists
buflisted({expr}) Number TRUE if buffer {expr} is listed
bufloaded({expr}) Number TRUE if buffer {expr} is loaded
bufexists({expr}) Number |TRUE| if buffer {expr} exists
buflisted({expr}) Number |TRUE| if buffer {expr} is listed
bufloaded({expr}) Number |TRUE| if buffer {expr} is loaded
bufname({expr}) String Name of the buffer {expr}
bufnr({expr} [, {create}]) Number Number of the buffer {expr}
bufwinid({expr}) Number window ID of buffer {expr}
@ -1979,25 +1995,25 @@ dictwatcheradd({dict}, {pattern}, {callback})
Start watching a dictionary
dictwatcherdel({dict}, {pattern}, {callback})
Stop watching a dictionary
did_filetype() Number TRUE if FileType autocommand event used
did_filetype() Number |TRUE| if FileType autocommand event used
diff_filler({lnum}) Number diff filler lines about {lnum}
diff_hlID({lnum}, {col}) Number diff highlighting at {lnum}/{col}
empty({expr}) Number TRUE if {expr} is empty
empty({expr}) Number |TRUE| if {expr} is empty
escape({string}, {chars}) String escape {chars} in {string} with '\'
eval({string}) any evaluate {string} into its value
eventhandler() Number TRUE if inside an event handler
eventhandler() Number |TRUE| if inside an event handler
executable({expr}) Number 1 if executable {expr} exists
execute({command}) String execute and capture output of {command}
exepath({expr}) String full path of the command {expr}
exists({expr}) Number TRUE if {expr} exists
exists({expr}) Number |TRUE| if {expr} exists
extend({expr1}, {expr2} [, {expr3}])
List/Dict insert items of {expr2} into {expr1}
exp({expr}) Float exponential of {expr}
expand({expr} [, {nosuf} [, {list}]])
any expand special keywords in {expr}
feedkeys({string} [, {mode}]) Number add key sequence to typeahead buffer
filereadable({file}) Number TRUE if {file} is a readable file
filewritable({file}) Number TRUE if {file} is a writable file
filereadable({file}) Number |TRUE| if {file} is a readable file
filewritable({file}) Number |TRUE| if {file} is a writable file
filter({expr}, {string}) List/Dict remove items from {expr} where
{string} is 0
finddir({name}[, {path}[, {count}]])
@ -2069,17 +2085,17 @@ glob({expr} [, {nosuf} [, {list} [, {alllinks}]]])
glob2regpat({expr}) String convert a glob pat into a search pat
globpath({path}, {expr} [, {nosuf} [, {list} [, {alllinks}]]])
String do glob({expr}) for all dirs in {path}
has({feature}) Number TRUE if feature {feature} supported
has_key({dict}, {key}) Number TRUE if {dict} has entry {key}
has({feature}) Number |TRUE| if feature {feature} supported
has_key({dict}, {key}) Number |TRUE| if {dict} has entry {key}
haslocaldir([{winnr} [, {tabnr}]])
Number TRUE if current window executed |:lcd|
Number |TRUE| if current window executed |:lcd|
hasmapto({what} [, {mode} [, {abbr}]])
Number TRUE if mapping to {what} exists
Number |TRUE| if mapping to {what} exists
histadd({history}, {item}) String add an item to a history
histdel({history} [, {item}]) String remove an item from a history
histget({history} [, {index}]) String get the item {index} from a history
histnr({history}) Number highest index of a history
hlexists({name}) Number TRUE if highlight group {name} exists
hlexists({name}) Number |TRUE| if highlight group {name} exists
hlID({name}) Number syntax ID of highlight group {name}
hostname() String name of the machine Vim is running on
iconv({expr}, {from}, {to}) String convert encoding of {expr}
@ -2097,8 +2113,8 @@ inputsecret({prompt} [, {text}])
insert({list}, {item} [, {idx}])
List insert {item} in {list} [before {idx}]
invert({expr}) Number bitwise invert
isdirectory({directory}) Number TRUE if {directory} is a directory
islocked({expr}) Number TRUE if {expr} is locked
isdirectory({directory}) Number |TRUE| if {directory} is a directory
islocked({expr}) Number |TRUE| if {expr} is locked
id({expr}) String identifier of the container
items({dict}) List key-value pairs in {dict}
jobclose({job}[, {stream}]) Number Closes a job stream(s)
@ -2480,7 +2496,7 @@ assert_notmatch({pattern}, {actual} [, {msg}])
assert_true({actual} [, {msg}]) *assert_true()*
When {actual} is not true an error message is added to
|v:errors|, like with |assert_equal()|.
A value is true when it is a non-zero number or |v:true|.
A value is |TRUE| when it is a non-zero number or |v:true|.
When {actual} is not a number or |v:true| the assert fails.
When {msg} is omitted an error in the form "Expected True but
got {actual}" is produced.
@ -2522,9 +2538,9 @@ atan2({expr1}, {expr2}) *atan2()*
*browse()*
browse({save}, {title}, {initdir}, {default})
Put up a file requester. This only works when "has("browse")"
returns non-zero (only in some GUI versions).
returns |TRUE| (only in some GUI versions).
The input fields are:
{save} when non-zero, select file to write
{save} when |TRUE|, select file to write
{title} title for the requester
{initdir} directory to start browsing in
{default} default file name
@ -2534,7 +2550,7 @@ browse({save}, {title}, {initdir}, {default})
*browsedir()*
browsedir({title}, {initdir})
Put up a directory requester. This only works when
"has("browse")" returns non-zero (only in some GUI versions).
"has("browse")" returns |TRUE| (only in some GUI versions).
On systems where a directory browser is not supported a file
browser is used. In that case: select a file in the directory
to be used.
@ -2545,7 +2561,7 @@ browsedir({title}, {initdir})
browsing is not possible, an empty string is returned.
bufexists({expr}) *bufexists()*
The result is a Number, which is non-zero if a buffer called
The result is a Number, which is |TRUE| if a buffer called
{expr} exists.
If the {expr} argument is a number, buffer numbers are used.
If the {expr} argument is a string it must match a buffer name
@ -2565,12 +2581,12 @@ bufexists({expr}) *bufexists()*
file name.
buflisted({expr}) *buflisted()*
The result is a Number, which is non-zero if a buffer called
The result is a Number, which is |TRUE| if a buffer called
{expr} exists and is listed (has the 'buflisted' option set).
The {expr} argument is used like with |bufexists()|.
bufloaded({expr}) *bufloaded()*
The result is a Number, which is non-zero if a buffer called
The result is a Number, which is |TRUE| if a buffer called
{expr} exists and is loaded (shown in a window or hidden).
The {expr} argument is used like with |bufexists()|.
@ -2811,7 +2827,7 @@ complete_add({expr}) *complete_add()*
complete_check() *complete_check()*
Check for a key typed while looking for completion matches.
This is to be used when looking for matches takes some time.
Returns non-zero when searching for matches is to be aborted,
Returns |TRUE| when searching for matches is to be aborted,
zero otherwise.
Only to be used by the function specified with the
'completefunc' option.
@ -2905,7 +2921,7 @@ count({comp}, {expr} [, {ic} [, {start}]]) *count()*
in |List| or |Dictionary| {comp}.
If {start} is given then start with the item with this index.
{start} can only be used with a |List|.
When {ic} is given and it's non-zero then case is ignored.
When {ic} is given and it's |TRUE| then case is ignored.
*cscope_connection()*
@ -3058,7 +3074,7 @@ dictwatcherdel({dict}, {pattern}, {callback}) *dictwatcherdel()*
order for the watcher to be successfully deleted.
*did_filetype()*
did_filetype() Returns non-zero when autocommands are being executed and the
did_filetype() Returns |TRUE| when autocommands are being executed and the
FileType event has been triggered at least once. Can be used
to avoid triggering the FileType event again in the scripts
that detect the file type. |FileType|
@ -3171,7 +3187,7 @@ exepath({expr}) *exepath()*
If {expr} starts with "./" the |current-directory| is used.
*exists()*
exists({expr}) The result is a Number, which is non-zero if {expr} is
exists({expr}) The result is a Number, which is |TRUE| if {expr} is
defined, zero otherwise. The {expr} argument is a string,
which contains one of these:
&option-name Vim option (only checks if it exists,
@ -3267,7 +3283,7 @@ expand({expr} [, {nosuf} [, {list}]]) *expand()*
Expand wildcards and the following special keywords in {expr}.
'wildignorecase' applies.
If {list} is given and it is non-zero, a List will be returned.
If {list} is given and it is |TRUE|, a List will be returned.
Otherwise the result is a String and when there are several
matches, they are separated by <NL> characters. [Note: in
version 5.0 a space was used, which caused problems when a
@ -3326,7 +3342,7 @@ expand({expr} [, {nosuf} [, {list}]]) *expand()*
When {expr} does not start with '%', '#' or '<', it is
expanded like a file name is expanded on the command line.
'suffixes' and 'wildignore' are used, unless the optional
{nosuf} argument is given and it is non-zero.
{nosuf} argument is given and it is |TRUE|.
Names for non-existing files are included. The "**" item can
be used to search in a directory tree. For example, to find
all "README" files in the current directory and below: >
@ -3418,9 +3434,9 @@ feedkeys({string} [, {mode}]) *feedkeys()*
Return value is always 0.
filereadable({file}) *filereadable()*
The result is a Number, which is TRUE when a file with the
The result is a Number, which is |TRUE| when a file with the
name {file} exists, and can be read. If {file} doesn't exist,
or is a directory, the result is FALSE. {file} is any
or is a directory, the result is |FALSE|. {file} is any
expression, which is used as a String.
If you don't care about the file being readable you can use
|glob()|.
@ -3458,7 +3474,7 @@ filter({expr1}, {expr2}) *filter()*
If {expr2} is a |Funcref| it must take two arguments:
1. the key or the index of the current item.
2. the value of the current item.
The function must return TRUE if the item should be kept.
The function must return |TRUE| if the item should be kept.
Example that keeps the odd items of a list: >
func Odd(idx, val)
return a:idx % 2 == 1
@ -4191,13 +4207,13 @@ getqflist() *getqflist()*
bufname() to get the name
lnum line number in the buffer (first line is 1)
col column number (first column is 1)
vcol non-zero: "col" is visual column
zero: "col" is byte index
vcol |TRUE|: "col" is visual column
|FALSE|: "col" is byte index
nr error number
pattern search pattern used to locate the error
text description of the error
type type of the error, 'E', '1', etc.
valid non-zero: recognized error message
valid |TRUE|: recognized error message
When there is no error list or it's empty an empty list is
returned. Quickfix list entries with non-existing buffer
@ -4223,7 +4239,7 @@ getreg([{regname} [, 1 [, {list}]]]) *getreg()*
be restored with |setreg()|. For other registers the extra
argument is ignored, thus you can always give it.
If {list} is present and non-zero, the result type is changed
If {list} is present and |TRUE|, the result type is changed
to |List|. Each list item is one text line. Use it if you care
about zero bytes possibly present inside register: without
third argument both NLs and zero bytes are represented as NLs
@ -4334,13 +4350,13 @@ glob({expr} [, {nosuf} [, {list} [, {alllinks}]]]) *glob()*
Expand the file wildcards in {expr}. See |wildcards| for the
use of special characters.
Unless the optional {nosuf} argument is given and is non-zero,
Unless the optional {nosuf} argument is given and is |TRUE|,
the 'suffixes' and 'wildignore' options apply: Names matching
one of the patterns in 'wildignore' will be skipped and
'suffixes' affect the ordering of matches.
'wildignorecase' always applies.
When {list} is present and it is non-zero the result is a List
When {list} is present and it is |TRUE| the result is a List
with all matching files. The advantage of using a List is,
you also get filenames containing newlines correctly.
Otherwise the result is a String and when there are several
@ -4351,7 +4367,7 @@ glob({expr} [, {nosuf} [, {list} [, {alllinks}]]]) *glob()*
A name for a non-existing file is not included. A symbolic
link is only included if it points to an existing file.
However, when the {alllinks} argument is present and it is
non-zero then all symbolic links are included.
|TRUE| then all symbolic links are included.
For most systems backticks can be used to get files names from
any external command. Example: >
@ -4388,12 +4404,12 @@ globpath({path}, {expr} [, {nosuf} [, {list} [, {allinks}]]])
If the expansion fails for one of the directories, there is no
error message.
Unless the optional {nosuf} argument is given and is non-zero,
Unless the optional {nosuf} argument is given and is |TRUE|,
the 'suffixes' and 'wildignore' options apply: Names matching
one of the patterns in 'wildignore' will be skipped and
'suffixes' affect the ordering of matches.
When {list} is present and it is non-zero the result is a List
When {list} is present and it is |TRUE| the result is a List
with all matching files. The advantage of using a List is, you
also get filenames containing newlines correctly. Otherwise
the result is a String and when there are several matches,
@ -4439,7 +4455,7 @@ hasmapto({what} [, {mode} [, {abbr}]]) *hasmapto()*
contains {what} in somewhere in the rhs (what it is mapped to)
and this mapping exists in one of the modes indicated by
{mode}.
When {abbr} is there and it is non-zero use abbreviations
When {abbr} is there and it is |TRUE| use abbreviations
instead of mappings. Don't forget to specify Insert and/or
Command-line mode.
Both the global mappings and the mappings local to the current
@ -4590,7 +4606,7 @@ index({list}, {expr} [, {start} [, {ic}]]) *index()*
is not used here, case always matters.
If {start} is given then start looking at the item with index
{start} (may be negative for an item relative to the end).
When {ic} is given and it is non-zero, ignore case. Otherwise
When {ic} is given and it is |TRUE|, ignore case. Otherwise
case must match.
-1 is returned when {expr} is not found in {list}.
Example: >
@ -4718,13 +4734,13 @@ invert({expr}) *invert()*
:let bits = invert(bits)
isdirectory({directory}) *isdirectory()*
The result is a Number, which is non-zero when a directory
The result is a Number, which is |TRUE| when a directory
with the name {directory} exists. If {directory} doesn't
exist, or isn't a directory, the result is FALSE. {directory}
exist, or isn't a directory, the result is |FALSE|. {directory}
is any expression, which is used as a String.
islocked({expr}) *islocked()* *E786*
The result is a Number, which is non-zero when {expr} is the
The result is a Number, which is |TRUE| when {expr} is the
name of a locked variable.
{expr} must be the name of a variable, |List| item or
|Dictionary| entry, not the variable itself! Example: >
@ -5106,10 +5122,10 @@ maparg({name}[, {mode} [, {abbr} [, {dict}]]]) *maparg()*
"" Normal, Visual and Operator-pending
When {mode} is omitted, the modes for "" are used.
When {abbr} is there and it is non-zero use abbreviations
When {abbr} is there and it is |TRUE| use abbreviations
instead of mappings.
When {dict} is there and it is non-zero return a dictionary
When {dict} is there and it is |TRUE| return a dictionary
containing all the information of the mapping with the
following items:
"lhs" The {lhs} of the mapping.
@ -5423,8 +5439,7 @@ mkdir({name} [, {path} [, {prot}]])
mode([expr]) Return a string that indicates the current mode.
If [expr] is supplied and it evaluates to a non-zero Number or
a non-empty String (|non-zero-arg|), then the full mode is
returned, otherwise only the first letter is returned. Note
that " " and "0" are also non-empty strings.
returned, otherwise only the first letter is returned.
n Normal
no Operator-pending
@ -6670,8 +6685,8 @@ shellescape({string} [, {special}]) *shellescape()*
On Windows when 'shellslash' is not set, it
will enclose {string} in double quotes and double all double
quotes within {string}.
For other systems, it will enclose {string} in single quotes
and replace all "'" with "'\''".
Otherwise, it will enclose {string} in single quotes and
replace all "'" with "'\''".
When the {special} argument is present and it's a non-zero
Number or a non-empty String (|non-zero-arg|), then special
items such as "!", "%", "#" and "<cword>" will be preceded by
@ -7660,16 +7675,12 @@ visualmode([expr]) *visualmode()*
Visual mode that was used.
If Visual mode is active, use |mode()| to get the Visual mode
(e.g., in a |:vmap|).
*non-zero-arg*
If [expr] is supplied and it evaluates to a non-zero Number or
a non-empty String, then the Visual mode will be cleared and
the old value is returned. Note that " " and "0" are also
non-empty strings, thus cause the mode to be cleared. A List,
Dictionary or Float is not a Number or String, thus does not
cause the mode to be cleared.
the old value is returned. See |non-zero-arg|.
wildmenumode() *wildmenumode()*
Returns non-zero when the wildmenu is active and zero
Returns |TRUE| when the wildmenu is active and |FALSE|
otherwise. See 'wildmenu' and 'wildmode'.
This can be used in mappings to handle the 'wildcharm' option
gracefully. (Makes only sense with |mapmode-c| mappings).

6
src/nvim/eval.c
View File

@ -7715,11 +7715,13 @@ static void emsg_funcname(char *ermsg, char_u *name)
*/
static int non_zero_arg(typval_T *argvars)
{
return (argvars[0].v_type == VAR_NUMBER
return ((argvars[0].v_type == VAR_NUMBER
&& argvars[0].vval.v_number != 0)
|| (argvars[0].v_type == VAR_SPECIAL
&& argvars[0].vval.v_special == kSpecialVarTrue)
|| (argvars[0].v_type == VAR_STRING
&& argvars[0].vval.v_string != NULL
&& *argvars[0].vval.v_string != NUL);
&& *argvars[0].vval.v_string != NUL));
}
/*********************************************

1
src/nvim/testdir/test_alot.vim
View File

@ -27,5 +27,6 @@ source test_tabline.vim
source test_tabpage.vim
source test_tagcase.vim
source test_tagjump.vim
source test_true_false.vim
source test_unlet.vim
source test_window_cmd.vim

125
src/nvim/testdir/test_true_false.vim Normal file
View File

@ -0,0 +1,125 @@
" Test behavior of boolean-like values.
" Test what is explained at ":help TRUE" and ":help FALSE".
func Test_if()
if v:false
call assert_true(false, 'v:false is false')
endif
if 0
call assert_true(false, 'zero is false')
endif
if "0"
call assert_true(false, 'zero string is false')
endif
if "foo"
call assert_true(false, 'foo is false')
endif
if " "
call assert_true(false, 'space is false')
endif
if empty("foo")
call assert_true(false, 'foo is not empty')
endif
if v:true
else
call assert_true(false, 'v:true is true')
endif
if 1
else
call assert_true(false, 'one is true')
endif
if "1"
else
call assert_true(false, 'one string is true')
endif
if "1foo"
else
call assert_true(false, 'one in string is true')
endif
call assert_fails('if [1]', 'E745')
call assert_fails('if {1: 1}', 'E728')
call assert_fails('if function("string")', 'E703')
call assert_fails('if 1.3")', 'E805')
endfunc
function Try_arg_true_false(expr, false_val, true_val)
for v in ['v:false', '0', '"0"', '"foo"', '" "']
let r = eval(substitute(a:expr, '%v%', v, ''))
call assert_equal(a:false_val, r, 'result for ' . v . ' is not ' . string(a:false_val) . ' but ' . string(r))
endfor
for v in ['v:true', '1', '"1"', '"1foo"']
let r = eval(substitute(a:expr, '%v%', v, ''))
call assert_equal(a:true_val, r, 'result for ' . v . ' is not ' . string(a:true_val) . ' but ' . string(r))
endfor
endfunc
" Test using TRUE or FALSE values for an argument.
func Test_true_false_arg()
call Try_arg_true_false('count(["a", "A"], "a", %v%)', 1, 2)
set wildignore=*.swp
call Try_arg_true_false('expand("foo.swp", %v%)', "", "foo.swp")
call Try_arg_true_false('expand("foo.vim", 0, %v%)', "foo.vim", ["foo.vim"])
call setreg('a', ['x', 'y'])
call Try_arg_true_false('getreg("a", 1, %v%)', "x\ny\n", ['x', 'y'])
set wildignore=*.vim
call Try_arg_true_false('glob("runtest.vim", %v%)', "", "runtest.vim")
set wildignore=*.swp
call Try_arg_true_false('glob("runtest.vim", 0, %v%)', "runtest.vim", ["runtest.vim"])
if has('unix')
silent !ln -s doesntexit Xlink
call Try_arg_true_false('glob("Xlink", 0, 0, %v%)', "", "Xlink")
silent !rm Xlink
endif
set wildignore=*.vim
call Try_arg_true_false('globpath(".", "runtest.vim", %v%)', "", "./runtest.vim")
set wildignore=*.swp
call Try_arg_true_false('globpath(".", "runtest.vim", 0, %v%)', "./runtest.vim", ["./runtest.vim"])
if has('unix')
silent !ln -s doesntexit Xlink
call Try_arg_true_false('globpath(".", "Xlink", 0, 0, %v%)', "", "./Xlink")
silent !rm Xlink
endif
endfunc
function Try_arg_non_zero(expr, false_val, true_val)
for v in ['v:false', '0', '[1]', '{2:3}', '3.4']
let r = eval(substitute(a:expr, '%v%', v, ''))
call assert_equal(a:false_val, r, 'result for ' . v . ' is not ' . a:false_val . ' but ' . r)
endfor
for v in ['v:true', '1', '" "', '"0"']
let r = eval(substitute(a:expr, '%v%', v, ''))
call assert_equal(a:true_val, r, 'result for ' . v . ' is not ' . a:true_val . ' but ' . r)
endfor
endfunc
" Test using non-zero-arg for an argument.
func Test_non_zero_arg()
" call test_settime(93784)
" call Try_arg_non_zero("mode(%v%)", 'x', 'x!')
" call test_settime(0)
call Try_arg_non_zero("shellescape('foo%', %v%)", "'foo%'", "'foo\\%'")
" visualmode() needs to be called twice to check
for v in [v:false, 0, [1], {2:3}, 3.4]
normal vv
let r = visualmode(v)
call assert_equal('v', r, 'result for ' . string(v) . ' is not "v" but ' . r)
let r = visualmode(v)
call assert_equal('v', r, 'result for ' . string(v) . ' is not "v" but ' . r)
endfor
for v in [v:true, 1, " ", "0"]
normal vv
let r = visualmode(v)
call assert_equal('v', r, 'result for ' . v . ' is not "v" but ' . r)
let r = visualmode(v)
call assert_equal('', r, 'result for ' . v . ' is not "" but ' . r)
endfor
endfunc

2
src/nvim/version.c
View File

@ -448,7 +448,7 @@ static int included_patches[] = {
// 1995 NA
// 1994,
// 1993,
// 1992,
1992,
1991,
1990,
1989,