diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index 4c5ede5..18b774c 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -722,6 +722,22 @@
   helpclose
 enddef
 
+def Test_vim9_cexpr()
+  var text = 'somefile:95:error'
+  cexpr text
+  var l = getqflist()
+  assert_equal(1, l->len())
+  assert_equal(95, l[0].lnum)
+  assert_equal('error', l[0].text)
+
+  text = 'somefile:77:warning'
+  caddexpr text
+  l = getqflist()
+  assert_equal(2, l->len())
+  assert_equal(77, l[1].lnum)
+  assert_equal('warning', l[1].text)
+enddef
+
 func Test_errortitle()
   augroup QfBufWinEnter
     au!
diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
index b1c1c18..e7314e4 100644
--- a/src/testdir/test_vim9_disassemble.vim
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -167,6 +167,25 @@
         res)
 enddef
 
+def s:Cexpr()
+  var errors = "list of errors"
+  cexpr errors
+enddef
+
+def Test_disassemble_cexpr()
+  var res = execute('disass s:Cexpr')
+  assert_match('<SNR>\d*_Cexpr.*' ..
+        ' var errors = "list of errors"\_s*' ..
+        '\d PUSHS "list of errors"\_s*' ..
+        '\d STORE $0\_s*' ..
+        ' cexpr errors\_s*' ..
+        '\d CEXPR pre cexpr\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d CEXPR core cexpr "cexpr errors"\_s*' ..
+        '\d RETURN 0',
+        res)
+enddef
+
 def s:YankRange()
   norm! m[jjm]
   :'[,']yank