fix(vim.opt): Get window options before setting.

This closes #14677, but I also am a little unsure if there are times
where this may not be correct. However, this just changes the behavior
that even if `was_set` was false, we still get for
`nvim_win_get_option`.

1 files changed, 15 insertions, 0 deletions

diff --git a/test/functional/lua/vim_spec.lua b/test/functional/lua/vim_spec.lua
index 51a0b58172..890f6427bb 100644
--- a/test/functional/lua/vim_spec.lua
+++ b/test/functional/lua/vim_spec.lua
@@ -1228,6 +1228,21 @@ describe('lua stdlib', function()
       eq("only-local", result[8])
     end)
 
+    it('should allow you to retrieve window opts even if they have not been set', function()
+      local result = exec_lua [[
+        local result = {}
+        table.insert(result, vim.opt.number:get())
+        table.insert(result, vim.opt_local.number:get())
+
+        vim.opt_local.number = true
+        table.insert(result, vim.opt.number:get())
+        table.insert(result, vim.opt_local.number:get())
+
+        return result
+      ]]
+      eq({false, false, true, true}, result)
+    end)
+
     it('should allow all sorts of string manipulation', function()
       eq({'hello', 'hello world', 'start hello world'}, exec_lua [[
         local results = {}