Patch 8.2.0311
Problem:    Vim9: insufficient script tests.
Solution:   Add tests.  Free imports when re-using a script.
Files:      src/testdir/test_vim9_script.vim, src/scriptfile.c


*** ../vim-8.2.0310/src/testdir/test_vim9_script.vim    2020-02-23 
14:34:57.796437728 +0100
--- src/testdir/test_vim9_script.vim    2020-02-23 17:10:22.627968287 +0100
***************
*** 333,340 ****
--- 333,362 ----
    delete('Ximport.vim')
    delete('Xexport.vim')
  
+   " Check that in a Vim9 script 'cpo' is set to the Vim default.
+   set cpo&vi
+   let cpo_before = &cpo
+   let lines =<< trim END
+     vim9script
+     g:cpo_in_vim9script = &cpo
+   END
+   writefile(lines, 'Xvim9_script')
+   source Xvim9_script
+   assert_equal(cpo_before, &cpo)
+   set cpo&vim
+   assert_equal(&cpo, g:cpo_in_vim9script)
+   delete('Xvim9_script')
+ enddef
+ 
+ def Test_vim9script_fails()
    CheckScriptFailure(['scriptversion 2', 'vim9script'], 'E1039:')
    CheckScriptFailure(['vim9script', 'scriptversion 2'], 'E1040:')
+   CheckScriptFailure(['export let some = 123'], 'E1042:')
+   CheckScriptFailure(['vim9script', 'export let g:some'], 'E1044:')
+   CheckScriptFailure(['vim9script', 'export echo 134'], 'E1043:')
+ 
+   assert_fails('vim9script', 'E1038')
+   assert_fails('export something', 'E1042')
  enddef
  
  def Test_vim9script_call()
*** ../vim-8.2.0310/src/scriptfile.c    2020-01-26 19:26:42.794068329 +0100
--- src/scriptfile.c    2020-02-23 17:48:26.256336362 +0100
***************
*** 1284,1289 ****
--- 1284,1292 ----
                di = HI2DI(hi);
                di->di_flags |= DI_FLAGS_RELOAD;
            }
+ 
+       // old imports are no longer valid
+       free_imports(sid);
      }
      else
      {
*** ../vim-8.2.0310/src/version.c       2020-02-23 16:16:23.271358004 +0100
--- src/version.c       2020-02-23 16:52:32.347722995 +0100
***************
*** 740,741 ****
--- 740,743 ----
  {   /* Add new patch number below this line */
+ /**/
+     311,
  /**/

-- 
hundred-and-one symptoms of being an internet addict:
108. While reading a magazine, you look for the Zoom icon for a better
     look at a photograph.

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
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