Add TabClosed event

TabClosed is triggered when a tab page closes.

1 files changed, 36 insertions, 0 deletions

diff --git a/test/functional/autocmd/tabclose_spec.lua b/test/functional/autocmd/tabclose_spec.lua
new file mode 100644
index 0000000000..847362e3de
--- /dev/null
+++ b/test/functional/autocmd/tabclose_spec.lua
@@ -0,0 +1,36 @@
+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('TabClosed', function()
+    describe('au TabClosed', function()
+        describe('with * as <afile>', function()
+            it('matches when  closing any tab', function()
+                clear()
+                nvim('command', 'au! TabClosed * echom "tabclosed:".expand("<afile>").":".expand("<amatch>").":".tabpagenr()')
+                repeat 
+                    nvim('command',  'tabnew')
+                until nvim('eval', 'tabpagenr()') == 6 -- current tab is now 6
+                eq("\ntabclosed:6:6:5", nvim('command_output', 'tabclose')) -- close last 6, current tab is now 5
+                eq("\ntabclosed:5:5:4", nvim('command_output', 'close')) -- close last window on tab, closes tab
+                eq("\ntabclosed:2:2:3", nvim('command_output', '2tabclose')) -- close tab 2, current tab is now 3
+                eq("\ntabclosed:1:1:2\ntabclosed:1:1:1", nvim('command_output', 'tabonly')) -- close tabs 1 and 2
+            end)
+        end)
+        describe('with NR as <afile>', function()
+            it('matches when  closing a tab whose index is NR', function()
+                tmp_path = nvim('eval', 'tempname()')
+                nvim('command', 'au! TabClosed 2 echom "tabclosed:match"')
+                repeat 
+                    nvim('command',  'tabnew')
+                until nvim('eval', 'tabpagenr()') == 5 -- current tab is now 5
+                -- sanity check, we shouldn't match on tabs with numbers other than 2
+                eq("\ntabclosed:5:5:4", nvim('command_output', 'tabclose'))
+                -- close tab page 2, current tab is now 3
+                eq("\ntabclosed:2:2:3\ntabclosed:match", nvim('command_output', '2tabclose'))
+            end)
+        end)
+    end)
+end)
+