diff options
| -rw-r--r-- | src/nvim/testdir/test_undo.vim | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_undo.vim b/src/nvim/testdir/test_undo.vim index e8aaecedc3..4fd4ec4e62 100644 --- a/src/nvim/testdir/test_undo.vim +++ b/src/nvim/testdir/test_undo.vim @@ -241,6 +241,26 @@ func Test_undojoin() close! endfunc +" undojoin not allowed after undo +func Test_undojoin_after_undo() + new + call feedkeys("ixx\<Esc>u", 'xt') + call assert_fails(':undojoin', 'E790:') + bwipe! +endfunc + +" undojoin is a noop when no change yet, or when 'undolevels' is negative +func Test_undojoin_noop() + new + call feedkeys(":undojoin\<CR>", 'xt') + call assert_equal([''], getline(1, '$')) + setlocal undolevels=-1 + call feedkeys("ixx\<Esc>u", 'xt') + call feedkeys(":undojoin\<CR>", 'xt') + call assert_equal(['xx'], getline(1, '$')) + bwipe! +endfunc + func Test_undo_write() call delete('Xtest') split Xtest @@ -327,6 +347,22 @@ func Test_undofile_earlier() call delete('Xundofile') endfunc +func Test_wundo_errors() + new + call setline(1, 'hello') + call assert_fails('wundo! Xdoesnotexist/Xundofile', 'E828:') + bwipe! +endfunc + +func Test_rundo_errors() + call assert_fails('rundo XfileDoesNotExist', 'E822:') + + call writefile(['abc'], 'Xundofile') + call assert_fails('rundo Xundofile', 'E823:') + + call delete('Xundofile') +endfunc + " Test for undo working properly when executing commands from a register. " Also test this in an empty buffer. func Test_cmd_in_reg_undo() @@ -343,6 +379,24 @@ func Test_cmd_in_reg_undo() let @a = '' endfunc +" undo or redo are noop if there is nothing to undo or redo +func Test_undo_redo_noop() + new + call assert_fails('undo 2', 'E830:') + + message clear + undo + let messages = split(execute('message'), "\n") + call assert_equal('Already at oldest change', messages[-1]) + + message clear + redo + let messages = split(execute('message'), "\n") + call assert_equal('Already at newest change', messages[-1]) + + bwipe! +endfunc + func Test_redo_empty_line() new exe "norm\x16r\x160" |