patch 8.2.3103: swap test may fail on some systems

Problem:    Swap test may fail on some systems when jobs take longer to exit.
Solution:   Use different file names.

src/proto/float.pro

@@ -1,4 +1,4 @@
-/* math.c */
+/* float.c */
 int string2float(char_u *text, float_T *value);
 void f_abs(typval_T *argvars, typval_T *rettv);
 void f_acos(typval_T *argvars, typval_T *rettv);
@@ -17,6 +17,7 @@ void f_isnan(typval_T *argvars, typval_T *rettv);
 void f_log(typval_T *argvars, typval_T *rettv);
 void f_log10(typval_T *argvars, typval_T *rettv);
 void f_pow(typval_T *argvars, typval_T *rettv);
+float_T vim_round(float_T f);
 void f_round(typval_T *argvars, typval_T *rettv);
 void f_sin(typval_T *argvars, typval_T *rettv);
 void f_sinh(typval_T *argvars, typval_T *rettv);

src/testdir/test_swap.vim

@@ -373,18 +373,22 @@ func Test_swap_prompt_splitwin()
   call WaitForAssert({-> assert_match('^1$', term_getline(buf, 20))})
   call StopVimInTerminal(buf)
 
-  " This caused Vim to crash when typing "q".
-  " TODO: it does not actually reproduce the crash.
-  call writefile(['au BufAdd * set virtualedit=all'], 'Xvimrc')
-
-  let buf = RunVimInTerminal('-u Xvimrc Xfile1', {'rows': 20, 'wait_for_ruler': 0})
-  call TermWait(buf)
-  call WaitForAssert({-> assert_match('^\[O\]pen Read-Only, (E)dit anyway, (R)ecover, (Q)uit, (A)bort:', term_getline(buf, 20))})
+  " This caused Vim to crash when typing "q" at the swap file prompt.
+  let buf = RunVimInTerminal('-c "au bufadd * let foo_w = wincol()"', {'rows': 18})
+  call term_sendkeys(buf, ":e Xfile1\<CR>")
+  call WaitForAssert({-> assert_match('More', term_getline(buf, 18))})
+  call term_sendkeys(buf, " ")
+  call WaitForAssert({-> assert_match('^\[O\]pen Read-Only, (E)dit anyway, (R)ecover, (Q)uit, (A)bort:', term_getline(buf, 18))})
   call term_sendkeys(buf, "q")
+  call TermWait(buf)
+  " check that Vim is still running
+  call term_sendkeys(buf, ":echo 'hello'\<CR>")
+  call WaitForAssert({-> assert_match('^hello', term_getline(buf, 18))})
+  call term_sendkeys(buf, ":%bwipe!\<CR>")
+  call StopVimInTerminal(buf)
 
   %bwipe!
   call delete('Xfile1')
-  call delete('Xvimrc')
 endfunc
 
 func Test_swap_symlink()
@@ -498,18 +502,18 @@ endfunc
 " Test for renaming a buffer when the swap file is deleted out-of-band
 func Test_missing_swap_file()
   CheckUnix
-  new Xfile1
+  new Xfile2
   call delete(swapname(''))
-  call assert_fails('file Xfile2', 'E301:')
-  call assert_equal('Xfile2', bufname())
-  call assert_true(bufexists('Xfile1'))
+  call assert_fails('file Xfile3', 'E301:')
+  call assert_equal('Xfile3', bufname())
   call assert_true(bufexists('Xfile2'))
+  call assert_true(bufexists('Xfile3'))
   %bw!
 endfunc
 
 " Test for :preserve command
 func Test_preserve()
-  new Xfile1
+  new Xfile4
   setlocal noswapfile
   call assert_fails('preserve', 'E313:')
   bw!
@@ -517,8 +521,8 @@ endfunc
 
 " Test for the v:swapchoice variable
 func Test_swapchoice()
-  call writefile(['aaa', 'bbb'], 'Xfile1')
-  edit Xfile1
+  call writefile(['aaa', 'bbb'], 'Xfile5')
+  edit Xfile5
   preserve
   let swapfname = swapname('')
   let b = readblob(swapfname)
@@ -532,7 +536,7 @@ func Test_swapchoice()
     autocmd!
     autocmd SwapExists * let v:swapchoice = 'o'
   augroup END
-  edit Xfile1
+  edit Xfile5
   call assert_true(&readonly)
   call assert_equal(['aaa', 'bbb'], getline(1, '$'))
   %bw!
@@ -544,11 +548,11 @@ func Test_swapchoice()
     autocmd SwapExists * let v:swapchoice = 'a'
   augroup END
   try
-    edit Xfile1
+    edit Xfile5
   catch /^Vim:Interrupt$/
   endtry
   call assert_equal('', @%)
-  call assert_true(bufexists('Xfile1'))
+  call assert_true(bufexists('Xfile5'))
   %bw!
   call assert_true(filereadable(swapfname))
 
@@ -557,12 +561,12 @@ func Test_swapchoice()
     autocmd!
     autocmd SwapExists * let v:swapchoice = 'd'
   augroup END
-  edit Xfile1
-  call assert_equal('Xfile1', @%)
+  edit Xfile5
+  call assert_equal('Xfile5', @%)
   %bw!
   call assert_false(filereadable(swapfname))
 
-  call delete('Xfile1')
+  call delete('Xfile5')
   call delete(swapfname)
   augroup test_swapchoice
     autocmd!

src/version.c

@@ -755,6 +755,12 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3103,
+/**/
+    3102,
+/**/
+    3101,
 /**/
     3100,
 /**/