Add TabNew event

TabNew triggers when entering a new tab page, but not when entering an
already created one.

1 files changed, 24 insertions, 0 deletions

diff --git a/test/functional/autocmd/tabnew_spec.lua b/test/functional/autocmd/tabnew_spec.lua
new file mode 100644
index 0000000000..970ca19726
--- /dev/null
+++ b/test/functional/autocmd/tabnew_spec.lua
@@ -0,0 +1,24 @@
+local helpers = require('test.functional.helpers')
+local clear, nvim, buffer, curbuf, curwin, eq, neq, ok =
+  helpers.clear, helpers.nvim, helpers.buffer, helpers.curbuf, helpers.curwin,
+  helpers.eq, helpers.neq, helpers.ok
+
+describe('TabNew', function()
+    describe('au TabNew', function()
+        clear()
+        describe('with * as <afile>', function()
+            it('matches when opening any new tab', function()
+                nvim('command', 'au! TabNew * echom "tabnew:".tabpagenr().":".bufnr("")')
+                eq("\ntabnew:2:1", nvim('command_output', 'tabnew'))
+                eq("\ntabnew:3:2\n\"test.x\" [New File]", nvim('command_output', 'tabnew test.x'))
+            end)
+        end)
+        describe('with FILE as <afile>', function()
+            it('matches when opening a new tab for FILE', function()
+                tmp_path = nvim('eval', 'tempname()')
+                nvim('command', 'au! TabNew '..tmp_path..' echom "tabnew:match"')
+                eq("\ntabnew:4:3\ntabnew:match\n\""..tmp_path.."\" [New File]", nvim('command_output', 'tabnew '..tmp_path))
+           end)
+        end)
+    end)
+end)