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Bram Moolenaar8cf91282017-06-13 19:38:37 +02001" Tests for the writefile() function.
Bram Moolenaar19a16692016-09-01 22:19:47 +02002
Bram Moolenaar8cf91282017-06-13 19:38:37 +02003func Test_writefile()
Bram Moolenaar19a16692016-09-01 22:19:47 +02004 let f = tempname()
5 call writefile(["over","written"], f, "b")
6 call writefile(["hello","world"], f, "b")
7 call writefile(["!", "good"], f, "a")
8 call writefile(["morning"], f, "ab")
9 call writefile(["", "vimmers"], f, "ab")
10 let l = readfile(f)
11 call assert_equal("hello", l[0])
12 call assert_equal("world!", l[1])
13 call assert_equal("good", l[2])
14 call assert_equal("morning", l[3])
15 call assert_equal("vimmers", l[4])
16 call delete(f)
Bram Moolenaar8cf91282017-06-13 19:38:37 +020017endfunc
18
19func Test_writefile_fails_gently()
20 call assert_fails('call writefile(["test"], "Xfile", [])', 'E730:')
21 call assert_false(filereadable("Xfile"))
22 call delete("Xfile")
23
24 call assert_fails('call writefile(["test", [], [], [], "tset"], "Xfile")', 'E730:')
25 call assert_false(filereadable("Xfile"))
26 call delete("Xfile")
27
28 call assert_fails('call writefile([], "Xfile", [])', 'E730:')
29 call assert_false(filereadable("Xfile"))
30 call delete("Xfile")
31
32 call assert_fails('call writefile([], [])', 'E730:')
33endfunc
Bram Moolenaare6bf6552017-06-27 22:11:51 +020034
35func Test_writefile_fails_conversion()
36 if !has('multi_byte') || !has('iconv')
37 return
38 endif
39 set nobackup nowritebackup
40 new
41 let contents = ["line one", "line two"]
42 call writefile(contents, 'Xfile')
43 edit Xfile
44 call setline(1, ["first line", "cannot convert \u010b", "third line"])
45 call assert_fails('write ++enc=cp932')
46 call assert_equal(contents, readfile('Xfile'))
47
48 call delete('Xfile')
49 bwipe!
50 set backup& writebackup&
51endfunc
Bram Moolenaar2c33d7b2017-10-14 16:06:20 +020052
53func SetFlag(timer)
54 let g:flag = 1
55endfunc
56
57func Test_write_quit_split()
58 " Prevent exiting by splitting window on file write.
59 augroup testgroup
60 autocmd BufWritePre * split
61 augroup END
62 e! Xfile
63 call setline(1, 'nothing')
64 wq
65
66 if has('timers')
67 " timer will not run if "exiting" is still set
68 let g:flag = 0
69 call timer_start(1, 'SetFlag')
70 sleep 50m
71 call assert_equal(1, g:flag)
72 unlet g:flag
73 endif
74 au! testgroup
75 bwipe Xfile
76 call delete('Xfile')
77endfunc
78
79func Test_nowrite_quit_split()
80 " Prevent exiting by opening a help window.
81 e! Xfile
82 help
83 wincmd w
84 exe winnr() . 'q'
85
86 if has('timers')
87 " timer will not run if "exiting" is still set
88 let g:flag = 0
89 call timer_start(1, 'SetFlag')
90 sleep 50m
91 call assert_equal(1, g:flag)
92 unlet g:flag
93 endif
94 bwipe Xfile
95endfunc