Patch 8.2.0082

[Bram Moolenaar]

Patch 8.2.0082
Problem: When reusing a buffer listeners are not cleared. (Axel Forsman)
Solution: Clear listeners when reusing a buffer. (closes #5431)
Files: src/testdir/test_listener.vim, src/buffer.c


*** ../vim-8.2.0081/src/testdir/test_listener.vim 2019-10-24 20:05:31.000000000 +0200
--- src/testdir/test_listener.vim 2020-01-03 20:18:07.063813933 +0100
***************
*** 295,297 ****
--- 295,328 ----
delfunc EchoChanges
call listener_remove(lid)
endfunc
+
+ func Test_listener_cleared_newbuf()
+ func Listener(bufnr, start, end, added, changes)
+ let g:gotCalled += 1
+ endfunc
+ new
+ " check that listening works
+ let g:gotCalled = 0
+ let lid = listener_add("Listener")
+ call feedkeys("axxx\<Esc>", 'xt')
+ call listener_flush(bufnr())
+ call assert_equal(1, g:gotCalled)
+ %bwipe!
+ let bufnr = bufnr()
+ let b:testing = 123
+ let lid = listener_add("Listener")
+ enew!
+ " check buffer is reused
+ call assert_equal(bufnr, bufnr())
+ call assert_false(exists('b:testing'))
+
+ " check that listening stops when reusing the buffer
+ let g:gotCalled = 0
+ call feedkeys("axxx\<Esc>", 'xt')
+ call listener_flush(bufnr())
+ call assert_equal(0, g:gotCalled)
+ unlet g:gotCalled
+
+ bwipe!
+ delfunc Listener
+ endfunc
*** ../vim-8.2.0081/src/buffer.c 2019-12-30 21:58:58.359667037 +0100
--- src/buffer.c 2020-01-03 20:21:19.075172081 +0100
***************
*** 979,984 ****
--- 979,985 ----
hash_init(&buf->b_vars->dv_hashtab);
init_changedtick(buf);
CHANGEDTICK(buf) = tick;
+ remove_listeners(buf);
}
#endif
uc_clear(&buf->b_ucmds); // clear local user commands
*** ../vim-8.2.0081/src/version.c 2020-01-03 19:12:05.108214944 +0100
--- src/version.c 2020-01-03 20:17:01.044032346 +0100
***************
*** 744,745 ****
--- 744,747 ----
{ /* Add new patch number below this line */
+ /**/
+ 82,
/**/

--
Compilation process failed successfully.

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
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