Mercurial > vim
diff src/testdir/test_trycatch.vim @ 19487:0aba9ef12488 v8.2.0301
patch 8.2.0301: insufficient testing for exception handling
Commit: https://github.com/vim/vim/commit/b654103ad1e379348616f354272db86804ab4bdb
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Feb 22 21:21:27 2020 +0100
patch 8.2.0301: insufficient testing for exception handling
Problem: Insufficient testing for exception handling and the "attention"
prompt.
Solution: Add test cases. (Yegappan Lakshmanan, closes #5681)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 22 Feb 2020 21:30:04 +0100 |
parents | cb73f4ae6b7c |
children | 031184ace7c5 |
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--- a/src/testdir/test_trycatch.vim +++ b/src/testdir/test_trycatch.vim @@ -2017,6 +2017,8 @@ func Test_try_catch_verbose() endif set verbose=14 + + " Test for verbose messages displayed when an exception is caught redir => msg try echo i @@ -2025,15 +2027,178 @@ func Test_try_catch_verbose() endtry redir END let expected = [ - \ 'Exception thrown: Vim(echo):E121: Undefined variable: i', - \ '', - \ 'Exception caught: Vim(echo):E121: Undefined variable: i', - \ '', - \ 'Exception finished: Vim(echo):E121: Undefined variable: i' - \ ] + \ 'Exception thrown: Vim(echo):E121: Undefined variable: i', '', + \ 'Exception caught: Vim(echo):E121: Undefined variable: i', '', + \ 'Exception finished: Vim(echo):E121: Undefined variable: i'] + call assert_equal(expected, split(msg, "\n")) + + " Test for verbose messages displayed when an exception is discarded + redir => msg + try + try + throw 'abc' + finally + throw 'xyz' + endtry + catch + endtry + redir END + let expected = [ + \ 'Exception thrown: abc', '', + \ 'Exception made pending: abc', '', + \ 'Exception thrown: xyz', '', + \ 'Exception discarded: abc', '', + \ 'Exception caught: xyz', '', + \ 'Exception finished: xyz'] + call assert_equal(expected, split(msg, "\n")) + + " Test for messages displayed when :throw is resumed after :finally + redir => msg + try + try + throw 'abc' + finally + endtry + catch + endtry + redir END + let expected = [ + \ 'Exception thrown: abc', '', + \ 'Exception made pending: abc', '', + \ 'Exception resumed: abc', '', + \ 'Exception caught: abc', '', + \ 'Exception finished: abc'] + call assert_equal(expected, split(msg, "\n")) + + " Test for messages displayed when :break is resumed after :finally + redir => msg + for i in range(1) + try + break + finally + endtry + endfor + redir END + let expected = [':break made pending', '', ':break resumed'] + call assert_equal(expected, split(msg, "\n")) + + " Test for messages displayed when :continue is resumed after :finally + redir => msg + for i in range(1) + try + continue + finally + endtry + endfor + redir END + let expected = [':continue made pending', '', ':continue resumed'] + call assert_equal(expected, split(msg, "\n")) + + " Test for messages displayed when :return is resumed after :finally + func Xtest() + try + return 'vim' + finally + endtry + endfunc + redir => msg + call Xtest() + redir END + let expected = [ + \ 'calling Xtest()', '', + \ ':return vim made pending', '', + \ ':return vim resumed', '', + \ 'Xtest returning ''vim''', '', + \ 'continuing in Test_try_catch_verbose'] call assert_equal(expected, split(msg, "\n")) + delfunc Xtest + + " Test for messages displayed when :finish is resumed after :finally + call writefile(['try', 'finish', 'finally', 'endtry'], 'Xscript') + redir => msg + source Xscript + redir END + let expected = [ + \ ':finish made pending', '', + \ ':finish resumed', '', + \ 'finished sourcing Xscript', + \ 'continuing in Test_try_catch_verbose'] + call assert_equal(expected, split(msg, "\n")[1:]) + call delete('Xscript') + + " Test for messages displayed when a pending :continue is discarded by an + " exception in a finally handler + redir => msg + try + for i in range(1) + try + continue + finally + throw 'abc' + endtry + endfor + catch + endtry + redir END + let expected = [ + \ ':continue made pending', '', + \ 'Exception thrown: abc', '', + \ ':continue discarded', '', + \ 'Exception caught: abc', '', + \ 'Exception finished: abc'] + call assert_equal(expected, split(msg, "\n")) + set verbose& endfunc +" Test for throwing an exception from a BufEnter autocmd {{{1 +func Test_BufEnter_exception() + augroup bufenter_exception + au! + autocmd BufEnter Xfile1 throw 'abc' + augroup END + + let caught_abc = 0 + try + sp Xfile1 + catch /^abc/ + let caught_abc = 1 + endtry + call assert_equal(1, caught_abc) + call assert_equal(1, winnr('$')) + + augroup bufenter_exception + au! + augroup END + augroup! bufenter_exception + %bwipe! + + " Test for recursively throwing exceptions in autocmds + augroup bufenter_exception + au! + autocmd BufEnter Xfile1 throw 'bufenter' + autocmd BufLeave Xfile1 throw 'bufleave' + augroup END + + let ex_count = 0 + try + try + sp Xfile1 + catch /^bufenter/ + let ex_count += 1 + endtry + catch /^bufleave/ + let ex_count += 10 + endtry + call assert_equal(10, ex_count) + call assert_equal(2, winnr('$')) + + augroup bufenter_exception + au! + augroup END + augroup! bufenter_exception + %bwipe! +endfunc + " Modeline {{{1 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker