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" Tests for getwinvar(), gettabvar() and gettabwinvar().
func Test_var()
" Use strings to test for memory leaks. First, check that in an empty
" window, gettabvar() returns the correct value
let t:testvar='abcd'
call assert_equal('abcd', gettabvar(1, 'testvar'))
call assert_equal('abcd', gettabvar(1, 'testvar'))
" test for getwinvar()
let w:var_str = "Dance"
let def_str = "Chance"
call assert_equal('Dance', getwinvar(1, 'var_str'))
call assert_equal('Dance', getwinvar(1, 'var_str', def_str))
call assert_equal({'var_str': 'Dance'}, getwinvar(1, ''))
call assert_equal({'var_str': 'Dance'}, getwinvar(1, '', def_str))
unlet w:var_str
call assert_equal('Chance', getwinvar(1, 'var_str', def_str))
call assert_equal({}, getwinvar(1, ''))
call assert_equal({}, getwinvar(1, '', def_str))
call assert_equal('', getwinvar(9, ''))
call assert_equal('Chance', getwinvar(9, '', def_str))
call assert_equal(0, getwinvar(1, '&nu'))
call assert_equal(0, getwinvar(1, '&nu', 1))
unlet def_str
" test for gettabvar()
tabnew
tabnew
let t:var_list = [1, 2, 3]
let t:other = 777
let def_list = [4, 5, 6, 7]
tabrewind
call assert_equal([1, 2, 3], gettabvar(3, 'var_list'))
call assert_equal([1, 2, 3], gettabvar(3, 'var_list', def_list))
call assert_equal({'var_list': [1, 2, 3], 'other': 777}, gettabvar(3, ''))
call assert_equal({'var_list': [1, 2, 3], 'other': 777},
\ gettabvar(3, '', def_list))
tablast
unlet t:var_list
tabrewind
call assert_equal([4, 5, 6, 7], gettabvar(3, 'var_list', def_list))
call assert_equal('', gettabvar(9, ''))
call assert_equal([4, 5, 6, 7], gettabvar(9, '', def_list))
call assert_equal('', gettabvar(3, '&nu'))
call assert_equal([4, 5, 6, 7], gettabvar(3, '&nu', def_list))
unlet def_list
tabonly
" test for gettabwinvar()
tabnew
tabnew
tabprev
split
split
wincmd w
vert split
wincmd w
let w:var_dict = {'dict': 'tabwin'}
let def_dict = {'dict2': 'newval'}
wincmd b
tabrewind
call assert_equal({'dict': 'tabwin'}, gettabwinvar(2, 3, 'var_dict'))
call assert_equal({'dict': 'tabwin'},
\ gettabwinvar(2, 3, 'var_dict', def_dict))
call assert_equal({'var_dict': {'dict': 'tabwin'}}, gettabwinvar(2, 3, ''))
call assert_equal({'var_dict': {'dict': 'tabwin'}},
\ gettabwinvar(2, 3, '', def_dict))
tabnext
3wincmd w
unlet w:var_dict
tabrewind
call assert_equal({'dict2': 'newval'},
\ gettabwinvar(2, 3, 'var_dict', def_dict))
call assert_equal({}, gettabwinvar(2, 3, ''))
call assert_equal({}, gettabwinvar(2, 3, '', def_dict))
call assert_equal("", gettabwinvar(2, 9, ''))
call assert_equal({'dict2': 'newval'}, gettabwinvar(2, 9, '', def_dict))
call assert_equal('', gettabwinvar(9, 3, ''))
call assert_equal({'dict2': 'newval'}, gettabwinvar(9, 3, '', def_dict))
unlet def_dict
call assert_equal('', gettabwinvar(2, 3, '&nux'))
call assert_equal(1, gettabwinvar(2, 3, '&nux', 1))
tabonly
endfunc
" It was discovered that "gettabvar()" would fail if called from within the
" tabline when the user closed a window. This test confirms the fix.
func Test_gettabvar_in_tabline()
let t:var_str = 'value'
set tabline=%{assert_equal('value',gettabvar(1,'var_str'))}
set showtabline=2
" Simulate the user opening a split (which becomes window #1) and then
" closing the split, which triggers the redrawing of the tabline.
leftabove split
redrawstatus!
close
redrawstatus!
endfunc
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