commit a260b87d9da17f605666630f18c1ed909c2b8bae
author Bram Moolenaar <Bram@vim.org> Fri Jan 15 20:48:22 2016 +0100
committer Bram Moolenaar <Bram@vim.org> Fri Jan 15 20:48:22 2016 +0100
tree 03fb7aaf4b31ace780c4b040537e65c695b63457
parent 3d6d5cc3a417c04d9772596ea83f8e6b41321781

patch 7.4.1096
Problem:    Need several lines to verify a command produces an error.
Solution:   Add assert_fails(). (suggested by Nikolay Pavlov)
            Make the quickfix alloc test actually work.

src/testdir/test_quickfix.vim

diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index b9f3f7b..b2fc968 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -279,39 +279,19 @@
 
 function Test_nomem()
   call alloc_fail(GetAllocId('qf_dirname_start'), 0, 0)
-  try
-    vimgrep vim runtest.vim
-  catch
-    call assert_true(v:exception =~ 'E342')
-  endtry
+  call assert_fails('vimgrep vim runtest.vim', 'E342:')
 
   call alloc_fail(GetAllocId('qf_dirname_now'), 0, 0)
-  try
-    vimgrep vim runtest.vim
-  catch
-    call assert_true(v:exception =~ 'E342')
-  endtry
+  call assert_fails('vimgrep vim runtest.vim', 'E342:')
 
   call alloc_fail(GetAllocId('qf_namebuf'), 0, 0)
-  try
-    cfile runtest.vim
-  catch
-    call assert_true(v:exception =~ 'E342')
-  endtry
+  call assert_fails('cfile runtest.vim', 'E342:')
 
   call alloc_fail(GetAllocId('qf_errmsg'), 0, 0)
-  try
-    cfile runtest.vim
-  catch
-    call assert_true(v:exception =~ 'E342')
-  endtry
+  call assert_fails('cfile runtest.vim', 'E342:')
 
   call alloc_fail(GetAllocId('qf_pattern'), 0, 0)
-  try
-    cfile runtest.vim
-  catch
-    call assert_true(v:exception =~ 'E342')
-  endtry
+  call assert_fails('cfile runtest.vim', 'E342:')
 
 endfunc