patch 8.2.2877: insufficient tests for popup menu rightleft

Problem:    Insufficient tests for popup menu rightleft.
Solution:   Add tests. (Yegappan Lakshmanan, closes #8235)

src/testdir/dumps/Test_pum_rightleft_01.dump

@@ -0,0 +1,8 @@
+|w+0&#ffffff0|v|u|t|s|r|q|p|o|n|m|l|k|j|i|h|g|f|e|d|c|b|a|z|y|x|w|v|u|t|s|r|q|p|o|n|m|l|k|j|i|h|g|f|e|d|c|b|a|z|y|x|w|v|u|t|s|r|q|p|o|n|m|l|k|j|i|h|g|f|e|d|c|b|a
+| @45|z|y|x|w|v|u|t|s|r|q|p|o|n|m|l|k|j|i|h|g|f|e|d|c|b|a|z|y|x
+| @71|m|i|v
+| @67|y|r|o|t|c|i|v
+| @66> |y|r|o|t|c|i|v
+|w+0#0000001#ffd7ff255|v|u|t|s|r|q|p|o|n|m|l|k|j|i|h|g|f|e|d|c|b|a|z|y|x|w|v|u|t|s|r|q|p|o|n|m|l|k|j|i|h|g|f|e|d|c|b|a|z|y|x|w|v|u|t|s|r|q|p|o|n|m|l|k|j|i|h|g|f|e|d|c|b|a
+| @71|m|i|v
+| +0&#e0e0e08@67|y|r|o|t|c|i|v

src/testdir/dumps/Test_pum_rightleft_02.dump

@@ -0,0 +1,7 @@
+| +0&#ffffff0@63|o|w|t| @4|e|n|o
+| @61|e@1|r|h|t| @4|e|n|o
+| @70|r|u|o|f
+| @60> |e@1|r|h|t| @4|e|n|o
+| +0#4040ff13&@59| +0#0000001#ffd7ff255@6|o|w|t| @1|e|n|o
+| +0#4040ff13#ffffff0@59| +0#0000001#e0e0e08@4|e@1|r|h|t| @1|e|n|o
+| +0#4040ff13#ffffff0@73|~

src/testdir/dumps/Test_pum_scrollbar_01.dump

@@ -0,0 +1,7 @@
+|o+0&#ffffff0|n|e| @71
+|t|w|o| @71
+|t|h|r|e@1| @69
+|o|n|e> @71
+|o+0#0000001#e0e0e08|n|e| @11| +0#0000000#0000001| +0#4040ff13#ffffff0@58
+|t+0#0000001#ffd7ff255|w|o| @11| +0#0000000#a8a8a8255| +0#4040ff13#ffffff0@58
+|~| @73

src/testdir/dumps/Test_pum_scrollbar_02.dump

@@ -0,0 +1,7 @@
+| +0&#ffffff0@71|e|n|o
+| @71|o|w|t
+| @69|e@1|r|h|t
+| @70> |e|n|o
+| +0#4040ff13&@58| +0#0000000#0000001| +0#0000001#e0e0e08@11|e|n|o
+| +0#4040ff13#ffffff0@58| +0#0000000#a8a8a8255| +0#0000001#ffd7ff255@11|o|w|t
+| +0#4040ff13#ffffff0@73|~

src/testdir/test_popup.vim

@@ -1145,4 +1145,73 @@ func Test_pum_getpos()
   unlet g:pum_pos
 endfunc
 
+" Test for the popup menu with the 'rightleft' option set
+func Test_pum_rightleft()
+  CheckScreendump
+  let lines =<< trim END
+    abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz
+    vim
+    victory
+  END
+  call writefile(lines, 'Xtest1')
+  let buf = RunVimInTerminal('--cmd "set rightleft" Xtest1', {})
+  call term_wait(buf)
+  call term_sendkeys(buf, "Go\<C-P>")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_pum_rightleft_01', {'rows': 8})
+  call term_sendkeys(buf, "\<C-P>\<C-Y>")
+  call term_wait(buf)
+  redraw!
+  call assert_match('\s*miv', Screenline(5))
+
+  " Test for expanding tabs to spaces in the popup menu
+  let lines =<< trim END
+    one	two
+    one	three
+    four
+  END
+  call writefile(lines, 'Xtest2')
+  call term_sendkeys(buf, "\<Esc>:e! Xtest2\<CR>")
+  call term_wait(buf)
+  call term_sendkeys(buf, "Goone\<C-X>\<C-L>")
+  call term_wait(buf)
+  redraw!
+  call VerifyScreenDump(buf, 'Test_pum_rightleft_02', {'rows': 7})
+  call term_sendkeys(buf, "\<C-Y>")
+  call term_wait(buf)
+  redraw!
+  call assert_match('\s*eerht     eno', Screenline(4))
+
+  call StopVimInTerminal(buf)
+  call delete('Xtest1')
+  call delete('Xtest2')
+endfunc
+
+" Test for a popup menu with a scrollbar
+func Test_pum_scrollbar()
+  CheckScreendump
+  let lines =<< trim END
+    one
+    two
+    three
+  END
+  call writefile(lines, 'Xtest1')
+  let buf = RunVimInTerminal('--cmd "set pumheight=2" Xtest1', {})
+  call term_wait(buf)
+  call term_sendkeys(buf, "Go\<C-P>\<C-P>\<C-P>")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_pum_scrollbar_01', {'rows': 7})
+  call term_sendkeys(buf, "\<C-E>\<Esc>dd")
+  call term_wait(buf)
+
+  call term_sendkeys(buf, ":set rightleft\<CR>")
+  call term_wait(buf)
+  call term_sendkeys(buf, "Go\<C-P>\<C-P>\<C-P>")
+  call term_wait(buf)
+  call VerifyScreenDump(buf, 'Test_pum_scrollbar_02', {'rows': 7})
+
+  call StopVimInTerminal(buf)
+  call delete('Xtest1')
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2877,
 /**/
     2876,
 /**/