fix: do not save K_EVENT as lastc in Insert mode

I'm also gonna move some other K_EVENT-related tests to vim_spec.lua

1 files changed, 36 insertions, 4 deletions

diff --git a/test/functional/api/vim_spec.lua b/test/functional/api/vim_spec.lua
index 112adfaf2d..22201e21a2 100644
--- a/test/functional/api/vim_spec.lua
+++ b/test/functional/api/vim_spec.lua
@@ -1154,8 +1154,8 @@ describe('API', function()
     end)
   end)
 
-  describe('RPC (K_EVENT) #6166', function()
-    it('does not complete ("interrupt") normal-mode operator-pending', function()
+  describe('RPC (K_EVENT)', function()
+    it('does not complete ("interrupt") normal-mode operator-pending #6166', function()
       helpers.insert([[
         FIRST LINE
         SECOND LINE]])
@@ -1191,7 +1191,7 @@ describe('API', function()
       ]])
     end)
 
-    it('does not complete ("interrupt") normal-mode map-pending', function()
+    it('does not complete ("interrupt") normal-mode map-pending #6166', function()
       command("nnoremap dd :let g:foo='it worked...'<CR>")
       helpers.insert([[
         FIRST LINE
@@ -1207,7 +1207,8 @@ describe('API', function()
         SECOND LINE]])
       eq('it worked...', helpers.eval('g:foo'))
     end)
-    it('does not complete ("interrupt") insert-mode map-pending', function()
+
+    it('does not complete ("interrupt") insert-mode map-pending #6166', function()
       command('inoremap xx foo')
       command('set timeoutlen=9999')
       helpers.insert([[
@@ -1222,6 +1223,37 @@ describe('API', function()
         FIRST LINE
         SECOND LINfooE]])
     end)
+
+    it('does not interrupt Insert mode i_CTRL-O #10035', function()
+      feed('iHello World<c-o>')
+      eq({mode='niI', blocking=false}, meths.get_mode())  -- fast event
+      eq(2, eval('1+1'))  -- causes K_EVENT key
+      eq({mode='niI', blocking=false}, meths.get_mode())  -- still in ctrl-o mode
+      feed('dd')
+      eq({mode='i', blocking=false}, meths.get_mode())  -- left ctrl-o mode
+      expect('') -- executed the command
+    end)
+
+    it('does not interrupt Select mode v_CTRL-O #15688', function()
+      feed('iHello World<esc>gh<c-o>')
+      eq({mode='vs', blocking=false}, meths.get_mode())  -- fast event
+      eq({mode='vs', blocking=false}, meths.get_mode())  -- again #15288
+      eq(2, eval('1+1'))  -- causes K_EVENT key
+      eq({mode='vs', blocking=false}, meths.get_mode())  -- still in ctrl-o mode
+      feed('^')
+      eq({mode='s', blocking=false}, meths.get_mode())  -- left ctrl-o mode
+      feed('h')
+      eq({mode='i', blocking=false}, meths.get_mode())  -- entered insert mode
+      expect('h')  -- selection is the whole line and is replaced
+    end)
+
+    it('does not interrupt Insert mode i_0_CTRL-D #13997', function()
+      command('set timeoutlen=9999')
+      feed('i<Tab><Tab>a0')
+      eq(2, eval('1+1'))  -- causes K_EVENT key
+      feed('<C-D>')
+      expect('a')  -- recognized i_0_CTRL-D
+    end)
   end)
 
   describe('nvim_get_context', function()