1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
" Tests for Vim buffer
" Test for the :bunload command with an offset
func Test_bunload_with_offset()
%bwipe!
call writefile(['B1'], 'b1')
call writefile(['B2'], 'b2')
call writefile(['B3'], 'b3')
call writefile(['B4'], 'b4')
" Load four buffers. Unload the second and third buffers and then
" execute .+3bunload to unload the last buffer.
edit b1
new b2
new b3
new b4
bunload b2
bunload b3
exe bufwinnr('b1') . 'wincmd w'
.+3bunload
call assert_equal(0, getbufinfo('b4')[0].loaded)
call assert_equal('b1',
\ fnamemodify(getbufinfo({'bufloaded' : 1})[0].name, ':t'))
" Load four buffers. Unload the third and fourth buffers. Execute .+3bunload
" and check whether the second buffer is unloaded.
ball
bunload b3
bunload b4
exe bufwinnr('b1') . 'wincmd w'
.+3bunload
call assert_equal(0, getbufinfo('b2')[0].loaded)
call assert_equal('b1',
\ fnamemodify(getbufinfo({'bufloaded' : 1})[0].name, ':t'))
" Load four buffers. Unload the second and third buffers and from the last
" buffer execute .-3bunload to unload the first buffer.
ball
bunload b2
bunload b3
exe bufwinnr('b4') . 'wincmd w'
.-3bunload
call assert_equal(0, getbufinfo('b1')[0].loaded)
call assert_equal('b4',
\ fnamemodify(getbufinfo({'bufloaded' : 1})[0].name, ':t'))
" Load four buffers. Unload the first and second buffers. Execute .-3bunload
" from the last buffer and check whether the third buffer is unloaded.
ball
bunload b1
bunload b2
exe bufwinnr('b4') . 'wincmd w'
.-3bunload
call assert_equal(0, getbufinfo('b3')[0].loaded)
call assert_equal('b4',
\ fnamemodify(getbufinfo({'bufloaded' : 1})[0].name, ':t'))
%bwipe!
call delete('b1')
call delete('b2')
call delete('b3')
call delete('b4')
call assert_fails('1,4bunload', 'E16:')
call assert_fails(',100bunload', 'E16:')
" Use a try-catch for this test. When assert_fails() is used for this
" test, the command fails with E515: instead of E90:
let caught_E90 = 0
try
$bunload
catch /E90:/
let caught_E90 = 1
endtry
call assert_equal(1, caught_E90)
call assert_fails('$bunload', 'E515:')
endfunc
" Test for :buffer, :bnext, :bprevious, :brewind, :blast and :bmodified
" commands
func Test_buflist_browse()
%bwipe!
call assert_fails('buffer 1000', 'E86:')
call writefile(['foo1', 'foo2', 'foo3', 'foo4'], 'Xfile1')
call writefile(['bar1', 'bar2', 'bar3', 'bar4'], 'Xfile2')
call writefile(['baz1', 'baz2', 'baz3', 'baz4'], 'Xfile3')
edit Xfile1
let b1 = bufnr()
edit Xfile2
let b2 = bufnr()
edit +/baz4 Xfile3
let b3 = bufnr()
call assert_fails('buffer ' .. b1 .. ' abc', 'E488:')
call assert_equal(b3, bufnr())
call assert_equal(4, line('.'))
exe 'buffer +/bar2 ' .. b2
call assert_equal(b2, bufnr())
call assert_equal(2, line('.'))
exe 'buffer +/bar1'
call assert_equal(b2, bufnr())
call assert_equal(1, line('.'))
brewind +
call assert_equal(b1, bufnr())
call assert_equal(4, line('.'))
blast +/baz2
call assert_equal(b3, bufnr())
call assert_equal(2, line('.'))
bprevious +/bar4
call assert_equal(b2, bufnr())
call assert_equal(4, line('.'))
bnext +/baz3
call assert_equal(b3, bufnr())
call assert_equal(3, line('.'))
call assert_fails('bmodified', 'E84:')
call setbufvar(b2, '&modified', 1)
exe 'bmodified +/bar3'
call assert_equal(b2, bufnr())
call assert_equal(3, line('.'))
" With no listed buffers in the list, :bnext and :bprev should fail
%bwipe!
set nobuflisted
call assert_fails('bnext', 'E85:')
call assert_fails('bprev', 'E85:')
set buflisted
call assert_fails('sandbox bnext', 'E48:')
call delete('Xfile1')
call delete('Xfile2')
call delete('Xfile3')
%bwipe!
endfunc
" Test for :bdelete
func Test_bdelete_cmd()
%bwipe!
call assert_fails('bdelete 5', 'E516:')
" Deleting a unlisted and unloaded buffer
edit Xfile1
let bnr = bufnr()
set nobuflisted
enew
call assert_fails('bdelete ' .. bnr, 'E516:')
%bwipe!
endfunc
" vim: shiftwidth=2 sts=2 expandtab
|
