clipboard: set v:register after startup (#5708)

Fixes #5697

1 files changed, 12 insertions, 2 deletions

diff --git a/test/functional/clipboard/clipboard_provider_spec.lua b/test/functional/clipboard/clipboard_provider_spec.lua
index 2b26697b97..d969d4a487 100644
--- a/test/functional/clipboard/clipboard_provider_spec.lua
+++ b/test/functional/clipboard/clipboard_provider_spec.lua
@@ -89,9 +89,12 @@ describe('the unnamed register', function()
 end)
 
 describe('clipboard usage', function()
+  local function reset(...)
+    clear('--cmd', 'let &rtp = "test/functional/fixtures,".&rtp', ...)
+  end
+
   before_each(function()
-    clear()
-    execute('let &rtp = "test/functional/fixtures,".&rtp')
+    reset()
     execute('call getreg("*")') -- force load of provider
   end)
 
@@ -363,6 +366,13 @@ describe('clipboard usage', function()
     end)
   end)
 
+  it('sets v:register after startup', function()
+    reset()
+    eq('"', eval('v:register'))
+    reset('--cmd', 'set clipboard=unnamed')
+    eq('*', eval('v:register'))
+  end)
+
   it('supports :put', function()
     insert("a line")
     execute("let g:test_clip['*'] = ['some text']")