1 files changed, 18 insertions, 0 deletions
diff --git a/test/functional/core/startup_spec.lua b/test/functional/core/startup_spec.lua
index 2e6649d16a..adf29cbe7c 100644
--- a/test/functional/core/startup_spec.lua
+++ b/test/functional/core/startup_spec.lua
@@ -33,6 +33,8 @@ local tbl_map = vim.tbl_map
 local tbl_filter = vim.tbl_filter
 local endswith = vim.endswith
 
+local testlog = 'Xtest-startupspec-log'
+
 describe('startup', function()
   it('--clean', function()
     clear()
@@ -121,6 +123,10 @@ end)
 describe('startup', function()
   before_each(clear)
 
+  after_each(function()
+    os.remove(testlog)
+  end)
+
   describe('-l Lua', function()
     local function assert_l_out(expected, nvim_args, lua_args, script, input)
       local args = { nvim_prog }
@@ -371,6 +377,7 @@ describe('startup', function()
   end)
 
   it('output to pipe: has("ttyin")==1 has("ttyout")==0', function()
+    clear({ env = { NVIM_LOG_FILE = testlog } })
     if is_os('win') then
       command([[set shellcmdflag=/s\ /c shellxquote=\"]])
     end
@@ -398,9 +405,13 @@ describe('startup', function()
         read_file('Xtest_startup_ttyout')
       )
     end)
+    if is_os('win') then
+      assert_log('stream write failed. RPC canceled; closing channel', testlog)
+    end
   end)
 
   it('input from pipe: has("ttyin")==0 has("ttyout")==1', function()
+    clear({ env = { NVIM_LOG_FILE = testlog } })
     if is_os('win') then
       command([[set shellcmdflag=/s\ /c shellxquote=\"]])
     end
@@ -429,9 +440,13 @@ describe('startup', function()
         read_file('Xtest_startup_ttyout')
       )
     end)
+    if is_os('win') then
+      assert_log('stream write failed. RPC canceled; closing channel', testlog)
+    end
   end)
 
   it('input from pipe (implicit) #7679', function()
+    clear({ env = { NVIM_LOG_FILE = testlog } })
     local screen = Screen.new(25, 4)
     screen:attach()
     screen._default_attr_ids = nil
@@ -457,6 +472,9 @@ describe('startup', function()
       0 1                      |
                                |
     ]])
+    if not is_os('win') then
+      assert_log('Failed to get flags on descriptor 3: Bad file descriptor', testlog)
+    end
   end)
 
   it('input from pipe + file args #7679', function()