patch 8.1.1300: in a terminal 'ballooneval' does not work right away
Problem: In a terminal 'ballooneval' does not work right away.
Solution: Flush output after drawing the balloon. Add the <Ignore> key
code. Add a test.
diff --git a/src/testdir/test_balloon.vim b/src/testdir/test_balloon.vim
new file mode 100644
index 0000000..e518755
--- /dev/null
+++ b/src/testdir/test_balloon.vim
@@ -0,0 +1,32 @@
+" Tests for 'balloonevalterm'.
+
+if !has('balloon_eval_term') || has('gui_running')
+ finish
+endif
+
+source screendump.vim
+if !CanRunVimInTerminal()
+ finish
+endif
+
+func Test_balloon_eval_term()
+ call writefile([
+ \ 'call setline(1, ["one one one", "two tXo two", "three three three"])',
+ \ 'set balloonevalterm balloonexpr=MyBalloonExpr() balloondelay=100',
+ \ 'func MyBalloonExpr()',
+ \ ' return "line " . v:beval_lnum . " column " . v:beval_col',
+ \ 'endfun',
+ \ 'redraw',
+ \ 'call test_setmouse(2, 6)',
+ \ 'call feedkeys("\<MouseMove>\<Ignore>", "xt")',
+ \ ], 'XTest_beval')
+
+ " Check that the balloon shows up
+ let buf = RunVimInTerminal('-S XTest_beval', {'rows': 10, 'cols': 50})
+ call term_wait(buf, 100)
+ call VerifyScreenDump(buf, 'Test_balloon_eval_term_01', {})
+
+ " clean up
+ call StopVimInTerminal(buf)
+ call delete('XTest_beval')
+endfunc