Tests: add tests for v:exiting

test/functional/core/exit_spec.lua

@@ -0,0 +1,46 @@
+local helpers = require('test.functional.helpers')(after_each)
+
+local command = helpers.command
+local eval = helpers.eval
+local eq, neq = helpers.eq, helpers.neq
+local run = helpers.run
+
+describe('v:exiting', function()
+  local cid
+
+  before_each(function()
+    helpers.clear()
+    cid = helpers.nvim('get_api_info')[1]
+  end)
+
+  it('defaults to v:null', function()
+    eq(1, eval('v:exiting is v:null'))
+  end)
+
+  it('is 0 on normal exit', function()
+    local function on_setup()
+      command('autocmd VimLeavePre * call rpcrequest('..cid..', "")')
+      command('autocmd VimLeave    * call rpcrequest('..cid..', "")')
+      command('quit')
+    end
+    local function on_request()
+      eq(0, eval('v:exiting'))
+      return ''
+    end
+    run(on_request, nil, on_setup)
+  end)
+
+  it('is non-zero after :cquit', function()
+    local function on_setup()
+      command('autocmd VimLeavePre * call rpcrequest('..cid..', "")')
+      command('autocmd VimLeave    * call rpcrequest('..cid..', "")')
+      command('cquit')
+    end
+    local function on_request()
+      neq(0, eval('v:exiting'))
+      return ''
+    end
+    run(on_request, nil, on_setup)
+  end)
+
+end)