commit 50182fa84e20a0547f3e2bd6683ef799fcd27855
author Bram Moolenaar <Bram@vim.org> Sat Apr 28 21:34:40 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Apr 28 21:34:40 2018 +0200
tree e68877870cf854837d637d83208edbd114ce185c
parent 65a5464985f980d2bbbf4e14d39d416dce065ec7

patch 8.0.1771: in tests, when WaitFor() fails it doesn't say why

Problem:    In tests, when WaitFor() fails it doesn't say why. (James McCoy)
Solution:   Add WaitForAssert(), which produces an assert error when it fails.

src/testdir/test_terminal.vim

diff --git a/src/testdir/test_terminal.vim b/src/testdir/test_terminal.vim
index 1b87895..07386a3 100644
--- a/src/testdir/test_terminal.vim
+++ b/src/testdir/test_terminal.vim
@@ -83,8 +83,7 @@
   let buf = Run_shell_in_terminal({})
   call assert_fails(buf . 'bwipe', 'E517')
   exe buf . 'bwipe!'
-  call WaitFor('job_status(g:job) == "dead"')
-  call assert_equal('dead', job_status(g:job))
+  call WaitForAssert({-> assert_equal('dead', job_status(g:job))})
   call assert_equal("", bufname(buf))
 
   unlet g:job
@@ -100,7 +99,7 @@
   call assert_equal('run', job_status(g:job))
 
   quit!
-  call WaitFor('job_status(g:job) == "dead"')
+  call WaitForAssert({-> assert_equal('dead', job_status(g:job))})
   call assert_equal('dead', job_status(g:job))
 
   exe buf . 'bwipe'