fix(genvimvim): generate prefixed boolean options properly (#27487)

1 files changed, 40 insertions, 0 deletions

diff --git a/test/functional/plugin/vim_syntax_spec.lua b/test/functional/plugin/vim_syntax_spec.lua
new file mode 100644
index 0000000000..9396bbce5c
--- /dev/null
+++ b/test/functional/plugin/vim_syntax_spec.lua
@@ -0,0 +1,40 @@
+local helpers = require('test.functional.helpers')(after_each)
+local Screen = require('test.functional.ui.screen')
+local clear = helpers.clear
+local exec = helpers.exec
+local api = helpers.api
+
+describe('Vimscript syntax highlighting', function()
+  local screen
+
+  before_each(function()
+    clear()
+    helpers.add_builddir_to_rtp()
+    exec([[
+      setfiletype vim
+      syntax on
+    ]])
+    screen = Screen.new()
+    screen:set_default_attr_ids({
+      [0] = { foreground = Screen.colors.Blue, bold = true },
+      [1] = { foreground = Screen.colors.Brown, bold = true },
+      [2] = { foreground = tonumber('0x6a0dad') },
+    })
+    screen:attach()
+  end)
+
+  it('prefixed boolean options are highlighted properly', function()
+    api.nvim_buf_set_lines(0, 0, -1, true, {
+      'set number incsearch hlsearch',
+      'set nonumber noincsearch nohlsearch',
+      'set invnumber invincsearch invhlsearch',
+    })
+    screen:expect([[
+      {1:^set} {2:number} {2:incsearch} {2:hlsearch}                        |
+      {1:set} {2:nonumber} {2:noincsearch} {2:nohlsearch}                  |
+      {1:set} {2:invnumber} {2:invincsearch} {2:invhlsearch}               |
+      {0:~                                                    }|*10
+                                                           |
+    ]])
+  end)
+end)