diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
index cf3dd8c..3758697 100644
--- a/src/testdir/test_vim9_disassemble.vim
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -690,4 +690,37 @@
   " delete('Xdisassemble')
 enddef
 
+def s:Execute()
+  execute 'help vim9.txt'
+  let cmd = 'help vim9.txt'
+  execute cmd
+  let tag = 'vim9.txt'
+  execute 'help ' .. tag
+enddef
+
+def Test_disassemble_execute()
+  let res = execute('disass s:Execute')
+  assert_match('\<SNR>\d*_Execute.*'
+        \ .. "execute 'help vim9.txt'.*"
+        \ .. '\d PUSHS "help vim9.txt".*'
+        \ .. '\d EXECUTE 1.*'
+        \ .. "let cmd = 'help vim9.txt'.*"
+        \ .. '\d PUSHS "help vim9.txt".*'
+        \ .. '\d STORE $0.*'
+        \ .. 'execute cmd.*'
+        \ .. '\d LOAD $0.*'
+        \ .. '\d EXECUTE 1.*'
+        \ .. "let tag = 'vim9.txt'.*"
+        \ .. '\d PUSHS "vim9.txt".*'
+        \ .. '\d STORE $1.*'
+        \ .. "execute 'help ' .. tag.*"
+        \ .. '\d PUSHS "help ".*'
+        \ .. '\d LOAD $1.*'
+        \ .. '\d CONCAT.*'
+        \ .. '\d EXECUTE 1.*'
+        \ .. '\d PUSHNR 0.*'
+        \ .. '\d RETURN'
+        \, res)
+enddef
+
 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 938dc63..3f0773b 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -1,6 +1,7 @@
 " Test various aspects of the Vim9 script language.
 
 source check.vim
+source view_util.vim
 
 " Check that "lines" inside ":def" results in an "error" message.
 func CheckDefFailure(lines, error)
@@ -692,5 +693,33 @@
   delete('Xvim9lines')
 enddef
 
+def Test_execute_cmd()
+  new
+  setline(1, 'default')
+  execute 'call setline(1, "execute-string")'
+  assert_equal('execute-string', getline(1))
+  let cmd1 = 'call setline(1,'
+  let cmd2 = '"execute-var")'
+  execute cmd1 cmd2
+  assert_equal('execute-var', getline(1))
+  execute cmd1 cmd2 '|call setline(1, "execute-var-string")'
+  assert_equal('execute-var-string', getline(1))
+  let cmd_first = 'call '
+  let cmd_last = 'setline(1, "execute-var-var")'
+  execute cmd_first .. cmd_last
+  assert_equal('execute-var-var', getline(1))
+  bwipe!
+enddef
+
+def Test_echo_cmd()
+  echo 'something'
+  assert_match('^something$', Screenline(&lines))
+
+  let str1 = 'some'
+  let str2 = 'more'
+  echo str1 str2
+  assert_match('^some more$', Screenline(&lines))
+enddef
+
 
 " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker