1 files changed, 57 insertions, 0 deletions
diff --git a/test/functional/ui/title_spec.lua b/test/functional/ui/title_spec.lua
index 66eb15478b..2de1e71457 100644
--- a/test/functional/ui/title_spec.lua
+++ b/test/functional/ui/title_spec.lua
@@ -37,6 +37,63 @@ describe('title', function()
     end)
   end)
 
+  it('is updated in Insert mode', function()
+    api.nvim_set_option_value('title', true, {})
+    screen:expect(function()
+      eq('[No Name] - Nvim', screen.title)
+    end)
+    feed('ifoo')
+    screen:expect(function()
+      eq('[No Name] + - Nvim', screen.title)
+    end)
+    feed('<Esc>')
+    api.nvim_set_option_value('titlestring', '%m %f (%{mode(1)}) | nvim', {})
+    screen:expect(function()
+      eq('[+] [No Name] (n) | nvim', screen.title)
+    end)
+    feed('i')
+    screen:expect(function()
+      eq('[+] [No Name] (i) | nvim', screen.title)
+    end)
+    feed('<Esc>')
+    screen:expect(function()
+      eq('[+] [No Name] (n) | nvim', screen.title)
+    end)
+  end)
+
+  it('is updated in Cmdline mode', function()
+    api.nvim_set_option_value('title', true, {})
+    api.nvim_set_option_value('titlestring', '%f (%{mode(1)}) | nvim', {})
+    screen:expect(function()
+      eq('[No Name] (n) | nvim', screen.title)
+    end)
+    feed(':')
+    screen:expect(function()
+      eq('[No Name] (c) | nvim', screen.title)
+    end)
+    feed('<Esc>')
+    screen:expect(function()
+      eq('[No Name] (n) | nvim', screen.title)
+    end)
+  end)
+
+  it('is updated in Terminal mode', function()
+    api.nvim_set_option_value('title', true, {})
+    api.nvim_set_option_value('titlestring', '(%{mode(1)}) | nvim', {})
+    fn.jobstart({ n.testprg('shell-test'), 'INTERACT' }, { term = true })
+    screen:expect(function()
+      eq('(nt) | nvim', screen.title)
+    end)
+    feed('i')
+    screen:expect(function()
+      eq('(t) | nvim', screen.title)
+    end)
+    feed([[<C-\><C-N>]])
+    screen:expect(function()
+      eq('(nt) | nvim', screen.title)
+    end)
+  end)
+
   describe('is not changed by', function()
     local file1 = is_os('win') and 'C:\\mydir\\myfile1' or '/mydir/myfile1'
     local file2 = is_os('win') and 'C:\\mydir\\myfile2' or '/mydir/myfile2'