patch 8.1.0692: if a buffer was deleted a channel can't write to it
Problem: If a buffer was deleted a channel can't write to it.
Solution: When the buffer exists but was unloaded, prepare it for writing.
(closes #3764)
diff --git a/src/testdir/test_channel.vim b/src/testdir/test_channel.vim
index bbc6048..091cd4b 100644
--- a/src/testdir/test_channel.vim
+++ b/src/testdir/test_channel.vim
@@ -1645,6 +1645,28 @@
bwipe!
endfunc
+func Test_write_to_deleted_buffer()
+ if !executable('echo') || !has('job')
+ return
+ endif
+ let job = job_start('echo hello', {'out_io': 'buffer', 'out_name': 'test_buffer', 'out_msg': 0})
+ call WaitForAssert({-> assert_equal("dead", job_status(job))})
+ let bufnr = bufnr('test_buffer')
+ call assert_equal(['hello'], getbufline(bufnr, 1, '$'))
+ call assert_equal('nofile', getbufvar(bufnr, '&buftype'))
+ call assert_equal('hide', getbufvar(bufnr, '&bufhidden'))
+ bdel test_buffer
+ call assert_equal([], getbufline(bufnr, 1, '$'))
+
+ let job = job_start('echo hello', {'out_io': 'buffer', 'out_name': 'test_buffer', 'out_msg': 0})
+ call WaitForAssert({-> assert_equal("dead", job_status(job))})
+ call assert_equal(['hello'], getbufline(bufnr, 1, '$'))
+ call assert_equal('nofile', getbufvar(bufnr, '&buftype'))
+ call assert_equal('hide', getbufvar(bufnr, '&bufhidden'))
+
+ bwipe! test_buffer
+endfunc
+
func Test_cmd_parsing()
if !has('unix')
return