gdb/testsuite/gdb.python/py-connection.exp

   1 # Copyright (C) 2021-2022 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file is for testing the gdb.TargetConnection API.  This API is
  17 # already tested in gdb.multi/multi-target-info-inferiors.exp and
  18 # gdb.python/py-inferior.exp, this file just covers some edge cases
  19 # that are not tested in other places.
  20
  21 load_lib gdb-python.exp
  22
  23 standard_testfile
  24
  25 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  26     return -1
  27 }
  28
  29 # Skip all tests if Python scripting is not enabled.
  30 if { [skip_python_tests] } { continue }
  31
  32 if ![runto_main] then {
  33     return 0
  34 }
  35
  36 if { [target_info exists gdb_protocol] } {
  37     set connection_type "RemoteTargetConnection"
  38 } else {
  39     set connection_type "TargetConnection"
  40 }
  41
  42 # Create a gdb.TargetConnection object and check it is initially
  43 # valid.
  44 gdb_test_no_output "python conn = gdb.selected_inferior().connection"
  45 gdb_test "python print(conn)" \
  46     "<gdb.${connection_type} num=1, what=\"\[^\"\]+\">" \
  47     "print gdb.${connection_type} while it is still valid"
  48 gdb_test "python print(conn.is_valid())" "True" "is_valid returns True"
  49
  50 # Get the connection again, and ensure we get the exact same object.
  51 gdb_test_no_output "python conn2 = gdb.selected_inferior().connection"
  52 gdb_test "python print('Same object: %s' % (conn is conn2))" "True"
  53
  54 # Now invalidate the connection, and ensure that the is_valid method
  55 # starts to return False.
  56 gdb_test "info connections" "\r\n\\* 1 .*" \
  57     "info connections while the connection is still around"
  58 gdb_test "with confirm off -- kill" "" "kill inferior"
  59 gdb_test "disconnect"
  60 gdb_test "info connections" "No connections\\." \
  61     "info connections now all the connections have gone"
  62 gdb_test "python print(conn)" "<gdb.${connection_type} \\(invalid\\)>" \
  63     "print gdb.${connection_type} now its invalid"
  64 gdb_test "python print(conn.is_valid())" "False" "is_valid returns False"
  65
  66 # Now check that accessing properties of the invalid connection cases
  67 # an error.
  68 gdb_test "python print(conn.num)" \
  69     "RuntimeError: Connection no longer exists\\.\r\n.*"
  70 gdb_test "python print(conn.type)" \
  71     "RuntimeError: Connection no longer exists\\.\r\n.*"
  72 gdb_test "python print(conn.description)" \
  73     "RuntimeError: Connection no longer exists\\.\r\n.*"
  74 gdb_test "python print(conn.details)" \
  75     "RuntimeError: Connection no longer exists\\.\r\n.*"