commit 4b785f69c0616dba5d3f38e8ce4b5398cec89407
author Bram Moolenaar <Bram@vim.org> Tue Nov 29 21:54:44 2016 +0100
committer Bram Moolenaar <Bram@vim.org> Tue Nov 29 21:54:44 2016 +0100
tree fea8b654714ff391135ce61da9c9d0792b7a5265
parent f422bcc7f9615fe91fa69b059cfe4785093d3d4a

patch 8.0.0105
Problem:    When using ch_read() with zero timeout, can't tell the difference
            between reading an empty line and nothing available.
Solution:   Add ch_canread().

src/testdir/shared.vim

diff --git a/src/testdir/shared.vim b/src/testdir/shared.vim
index 45a2ea4..8160af3 100644
--- a/src/testdir/shared.vim
+++ b/src/testdir/shared.vim
@@ -88,7 +88,7 @@
 
     call call(function(a:testfunc), [port])
   catch
-    call assert_false(1, "Caught exception: " . v:exception)
+    call assert_false(1, 'Caught exception: "' . v:exception . '" in ' . v:throwpoint)
   finally
     call s:kill_server(a:cmd)
   endtry