patch 8.0.1604: paste test may fail if $DISPLAY is not set
Problem: Paste test may fail if $DISPLAY is not set.
Solution: Add WorkingClipboard() and use it in the paste test.
diff --git a/src/testdir/shared.vim b/src/testdir/shared.vim
index 877c5f9..d47a355 100644
--- a/src/testdir/shared.vim
+++ b/src/testdir/shared.vim
@@ -260,6 +260,16 @@
return has('gui') && ($DISPLAY != "" || has('gui_running'))
endfunc
+func WorkingClipboard()
+ if !has('clipboard')
+ return 0
+ endif
+ if has('x11')
+ return $DISPLAY != ""
+ endif
+ return 1
+endfunc
+
" Get line "lnum" as displayed on the screen.
" Trailing white space is trimmed.
func! Screenline(lnum)