binutils-gdb/gdb/testsuite/gdb.python/py-connection.exp
Pedro Alves a1f2ddd383 Fix gdb.python/py-connection.exp with remote targets
After the patch to make gdb_test's question non-optional when
specified, gdb.python/py-connection.exp started failing like so:

  $ make check TESTS="gdb.python/py-connection.exp" RUNTESTFLAGS="--target_board=native-gdbserver"
  (gdb) PASS: gdb.python/py-connection.exp: info connections while the connection is still around
  disconnect^M
  Ending remote debugging.^M
  (gdb) FAIL: gdb.python/py-connection.exp: kill the inferior

The problem is that "disconnect" when debugging with the native target
asks the user whether to kill the program, while with remote targets,
it doesn't.

Fix it by explicitly killing before disconnecting.

Tested with --target_board unix, native-gdbserver, and native-extended-gdbserver.

Change-Id: Icd85015c76deb84b71894715d43853c1087eba0b
2022-05-17 13:03:07 +01:00

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# Copyright (C) 2021-2022 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file is for testing the gdb.TargetConnection API. This API is
# already tested in gdb.multi/multi-target-info-inferiors.exp and
# gdb.python/py-inferior.exp, this file just covers some edge cases
# that are not tested in other places.
load_lib gdb-python.exp
standard_testfile
if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
return -1
}
# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }
if ![runto_main] then {
return 0
}
if { [target_info exists gdb_protocol] } {
set connection_type "RemoteTargetConnection"
} else {
set connection_type "TargetConnection"
}
# Create a gdb.TargetConnection object and check it is initially
# valid.
gdb_test_no_output "python conn = gdb.selected_inferior().connection"
gdb_test "python print(conn)" \
"<gdb.${connection_type} num=1, what=\"\[^\"\]+\">" \
"print gdb.${connection_type} while it is still valid"
gdb_test "python print(conn.is_valid())" "True" "is_valid returns True"
# Get the connection again, and ensure we get the exact same object.
gdb_test_no_output "python conn2 = gdb.selected_inferior().connection"
gdb_test "python print('Same object: %s' % (conn is conn2))" "True"
# Now invalidate the connection, and ensure that the is_valid method
# starts to return False.
gdb_test "info connections" "\r\n\\* 1 .*" \
"info connections while the connection is still around"
gdb_test "with confirm off -- kill" "" "kill inferior"
gdb_test "disconnect"
gdb_test "info connections" "No connections\\." \
"info connections now all the connections have gone"
gdb_test "python print(conn)" "<gdb.${connection_type} \\(invalid\\)>" \
"print gdb.${connection_type} now its invalid"
gdb_test "python print(conn.is_valid())" "False" "is_valid returns False"
# Now check that accessing properties of the invalid connection cases
# an error.
gdb_test "python print(conn.num)" \
"RuntimeError: Connection no longer exists\\.\r\n.*"
gdb_test "python print(conn.type)" \
"RuntimeError: Connection no longer exists\\.\r\n.*"
gdb_test "python print(conn.description)" \
"RuntimeError: Connection no longer exists\\.\r\n.*"
gdb_test "python print(conn.details)" \
"RuntimeError: Connection no longer exists\\.\r\n.*"