1" Tests for the writefile() function.
2
3func Test_writefile()
4  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)
17endfunc
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
34