vim-patch:8.1.1244: no tests for CTRL-mouse-click

Problem:    No tests for CTRL-mouse-click.
Solution:   Add a few tests. (Dominique Pelle, closes vim/vim#4323)

1ee36d6ff5

Use usr_toc.txt instead of help.txt.

Co-authored-by: Bram Moolenaar <Bram@vim.org>

test/old/testdir/test_termcodes.vim

@@ -18,7 +18,7 @@ func Test_xterm_mouse_left_click()
   call setline(1, ['line 1', 'line 2', 'line 3 is a bit longer'])
   for ttymouse_val in ['sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
     go
     call assert_equal([0, 1, 1, 0], getpos('.'), msg)
     let row = 2
@@ -34,6 +34,42 @@ func Test_xterm_mouse_left_click()
   bwipe!
 endfunc
 
+" Test that <C-LeftMouse> jumps to help tag and <C-RightMouse> jumps back.
+func Test_xterm_mouse_ctrl_click()
+  let save_mouse = &mouse
+  let save_term = &term
+  " let save_ttymouse = &ttymouse
+  " set mouse=a term=xterm
+  set mouse=a
+
+  for ttymouse_val in ['sgr']
+    let msg = 'ttymouse=' .. ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
+    " help
+    help usr_toc.txt
+    /usr_02.txt
+    norm! zt
+    let row = 1
+    let col = 1
+    call MouseCtrlLeftClick(row, col)
+    call MouseLeftRelease(row, col)
+    call assert_match('usr_02.txt$', bufname('%'), msg)
+    call assert_equal('*usr_02.txt*', expand('<cWORD>'))
+
+    call MouseCtrlRightClick(row, col)
+    call MouseLeftRelease(row, col)
+    " call assert_match('help.txt$', bufname('%'), msg)
+    call assert_match('usr_toc.txt$', bufname('%'), msg)
+    call assert_equal('|usr_02.txt|', expand('<cWORD>'))
+
+    helpclose
+  endfor
+
+  let &mouse = save_mouse
+  " let &term = save_term
+  " let &ttymouse = save_ttymouse
+endfunc
+
 func Test_xterm_mouse_middle_click()
   CheckFeature clipboard_working
 
@@ -48,7 +84,7 @@ func Test_xterm_mouse_middle_click()
 
   for ttymouse_val in ['sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
     call setline(1, ['123456789', '123456789'])
 
     " Middle-click in the middle of the line pastes text where clicked.
@@ -90,7 +126,7 @@ func Test_xterm_mouse_wheel()
 
   for ttymouse_val in ['sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
     go
     call assert_equal(1, line('w0'), msg)
     call assert_equal([0, 1, 1, 0], getpos('.'), msg)
@@ -127,7 +163,7 @@ func Test_xterm_mouse_drag_window_separator()
 
   for ttymouse_val in ['sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
 
     " Split horizontally and test dragging the horizontal window separator.
     split
@@ -185,7 +221,7 @@ func Test_xterm_mouse_drag_statusline()
 
   for ttymouse_val in ['sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
 
     call assert_equal(1, &cmdheight, msg)
     let rowstatusline = winheight(0) + 1
@@ -227,7 +263,7 @@ func Test_xterm_mouse_click_tab()
 
   for ttymouse_val in ['sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
     e Xfoo
     tabnew Xbar
 
@@ -280,7 +316,7 @@ func Test_xterm_mouse_click_X_to_close_tab()
       continue
     endif
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
     e Xtab1
     tabnew Xtab2
     tabnew Xtab3
@@ -323,7 +359,7 @@ func Test_xterm_mouse_drag_to_move_tab()
 
   for ttymouse_val in ['sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
     e Xtab1
     tabnew Xtab2
 
@@ -373,7 +409,7 @@ func Test_xterm_mouse_double_click_to_create_tab()
 
   for ttymouse_val in ['sgr']
     let msg = 'ttymouse=' .. ttymouse_val
-    " exe 'set ttymouse=' . ttymouse_val
+    " exe 'set ttymouse=' .. ttymouse_val
     e Xtab1
     tabnew Xtab2