| Bram Moolenaar | 8822744 | 2017-01-17 22:16:00 +0100 | [diff] [blame] | 1 | " Test :retab |
| Bram Moolenaar | 6d91bcb | 2020-08-12 18:50:36 +0200 | [diff] [blame] | 2 | |
| Bram Moolenaar | b31cb04 | 2022-06-15 21:28:55 +0100 | [diff] [blame^] | 3 | source check.vim |
| 4 | |
| Bram Moolenaar | 8822744 | 2017-01-17 22:16:00 +0100 | [diff] [blame] | 5 | func SetUp() |
| 6 | new |
| 7 | call setline(1, "\ta \t b c ") |
| 8 | endfunc |
| 9 | |
| 10 | func TearDown() |
| 11 | bwipe! |
| 12 | endfunc |
| 13 | |
| 14 | func Retab(bang, n) |
| 15 | let l:old_tabstop = &tabstop |
| 16 | let l:old_line = getline(1) |
| 17 | exe "retab" . a:bang . a:n |
| 18 | let l:line = getline(1) |
| 19 | call setline(1, l:old_line) |
| 20 | if a:n > 0 |
| 21 | " :retab changes 'tabstop' to n with argument n > 0. |
| 22 | call assert_equal(a:n, &tabstop) |
| 23 | exe 'set tabstop=' . l:old_tabstop |
| 24 | else |
| 25 | " :retab does not change 'tabstop' with empty or n <= 0. |
| 26 | call assert_equal(l:old_tabstop, &tabstop) |
| 27 | endif |
| 28 | return l:line |
| 29 | endfunc |
| 30 | |
| 31 | func Test_retab() |
| 32 | set tabstop=8 noexpandtab |
| 33 | call assert_equal("\ta\t b c ", Retab('', '')) |
| 34 | call assert_equal("\ta\t b c ", Retab('', 0)) |
| 35 | call assert_equal("\ta\t b c ", Retab('', 8)) |
| 36 | call assert_equal("\ta\t b\t c\t ", Retab('!', '')) |
| 37 | call assert_equal("\ta\t b\t c\t ", Retab('!', 0)) |
| 38 | call assert_equal("\ta\t b\t c\t ", Retab('!', 8)) |
| 39 | |
| 40 | call assert_equal("\t\ta\t\t\tb c ", Retab('', 4)) |
| 41 | call assert_equal("\t\ta\t\t\tb\t\t c\t ", Retab('!', 4)) |
| 42 | |
| 43 | call assert_equal(" a\t\tb c ", Retab('', 10)) |
| 44 | call assert_equal(" a\t\tb c ", Retab('!', 10)) |
| 45 | |
| 46 | set tabstop=8 expandtab |
| 47 | call assert_equal(" a b c ", Retab('', '')) |
| 48 | call assert_equal(" a b c ", Retab('', 0)) |
| 49 | call assert_equal(" a b c ", Retab('', 8)) |
| 50 | call assert_equal(" a b c ", Retab('!', '')) |
| 51 | call assert_equal(" a b c ", Retab('!', 0)) |
| 52 | call assert_equal(" a b c ", Retab('!', 8)) |
| 53 | |
| 54 | call assert_equal(" a b c ", Retab(' ', 4)) |
| 55 | call assert_equal(" a b c ", Retab('!', 4)) |
| 56 | |
| 57 | call assert_equal(" a b c ", Retab(' ', 10)) |
| 58 | call assert_equal(" a b c ", Retab('!', 10)) |
| 59 | |
| 60 | set tabstop=4 noexpandtab |
| 61 | call assert_equal("\ta\t\tb c ", Retab('', '')) |
| 62 | call assert_equal("\ta\t\tb\t\t c\t ", Retab('!', '')) |
| 63 | call assert_equal("\t a\t\t\tb c ", Retab('', 3)) |
| 64 | call assert_equal("\t a\t\t\tb\t\t\tc\t ", Retab('!', 3)) |
| 65 | call assert_equal(" a\t b c ", Retab('', 5)) |
| 66 | call assert_equal(" a\t b\t\t c\t ", Retab('!', 5)) |
| 67 | |
| 68 | set tabstop=4 expandtab |
| 69 | call assert_equal(" a b c ", Retab('', '')) |
| 70 | call assert_equal(" a b c ", Retab('!', '')) |
| 71 | call assert_equal(" a b c ", Retab('', 3)) |
| 72 | call assert_equal(" a b c ", Retab('!', 3)) |
| 73 | call assert_equal(" a b c ", Retab('', 5)) |
| 74 | call assert_equal(" a b c ", Retab('!', 5)) |
| Bram Moolenaar | 6e28703 | 2022-02-12 15:42:18 +0000 | [diff] [blame] | 75 | |
| 76 | set tabstop& expandtab& |
| Bram Moolenaar | 8822744 | 2017-01-17 22:16:00 +0100 | [diff] [blame] | 77 | endfunc |
| 78 | |
| 79 | func Test_retab_error() |
| 80 | call assert_fails('retab -1', 'E487:') |
| 81 | call assert_fails('retab! -1', 'E487:') |
| Bram Moolenaar | b7081e1 | 2021-09-04 18:47:28 +0200 | [diff] [blame] | 82 | call assert_fails('ret -1000', 'E487:') |
| 83 | call assert_fails('ret 10000', 'E475:') |
| 84 | call assert_fails('ret 80000000000000000000', 'E475:') |
| Bram Moolenaar | 8822744 | 2017-01-17 22:16:00 +0100 | [diff] [blame] | 85 | endfunc |
| Bram Moolenaar | 6d91bcb | 2020-08-12 18:50:36 +0200 | [diff] [blame] | 86 | |
| Bram Moolenaar | 8bea171 | 2022-06-15 20:49:35 +0100 | [diff] [blame] | 87 | func RetabLoop() |
| 88 | while 1 |
| 89 | set ts=4000 |
| 90 | retab 4 |
| 91 | endwhile |
| 92 | endfunc |
| 93 | |
| 94 | func Test_retab_endless() |
| Bram Moolenaar | b31cb04 | 2022-06-15 21:28:55 +0100 | [diff] [blame^] | 95 | " FIXME: why does this hang on MS-Windows? |
| 96 | CheckNotMSWindows |
| 97 | |
| Bram Moolenaar | 8bea171 | 2022-06-15 20:49:35 +0100 | [diff] [blame] | 98 | " inside try/catch we catch the error message |
| Bram Moolenaar | 6e28703 | 2022-02-12 15:42:18 +0000 | [diff] [blame] | 99 | new |
| 100 | call setline(1, "\t0\t") |
| 101 | let caught = 'no' |
| 102 | try |
| Bram Moolenaar | 8bea171 | 2022-06-15 20:49:35 +0100 | [diff] [blame] | 103 | call RetabLoop() |
| 104 | catch /E1240:/ |
| Bram Moolenaar | 9397423 | 2022-06-12 23:05:07 +0100 | [diff] [blame] | 105 | let caught = v:exception |
| Bram Moolenaar | 6e28703 | 2022-02-12 15:42:18 +0000 | [diff] [blame] | 106 | endtry |
| Bram Moolenaar | 8bea171 | 2022-06-15 20:49:35 +0100 | [diff] [blame] | 107 | call assert_match('E1240:', caught) |
| 108 | bwipe! |
| 109 | set tabstop& |
| 110 | endfunc |
| 111 | |
| 112 | func Test_nocatch_retab_endless() |
| Bram Moolenaar | b31cb04 | 2022-06-15 21:28:55 +0100 | [diff] [blame^] | 113 | " FIXME: does this hang on MS-Windows? |
| Bram Moolenaar | 34f9958 | 2022-06-15 21:08:09 +0100 | [diff] [blame] | 114 | CheckNotMSWindows |
| 115 | |
| Bram Moolenaar | 8bea171 | 2022-06-15 20:49:35 +0100 | [diff] [blame] | 116 | " not inside try/catch an interrupt is generated to get out of loops |
| 117 | new |
| 118 | call setline(1, "\t0\t") |
| 119 | call assert_fails('call RetabLoop()', ['E1240:', 'Interrupted']) |
| 120 | |
| Bram Moolenaar | 6e28703 | 2022-02-12 15:42:18 +0000 | [diff] [blame] | 121 | bwipe! |
| 122 | set tabstop& |
| 123 | endfunc |
| 124 | |
| 125 | |
| Bram Moolenaar | 6d91bcb | 2020-08-12 18:50:36 +0200 | [diff] [blame] | 126 | " vim: shiftwidth=2 sts=2 expandtab |