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

   1 # Copyright (C) 2009-2022 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 part of the GDB testsuite.  It tests the mechanism
  17 # exposing inferior threads to Python.
  18
  19 load_lib gdb-python.exp
  20
  21 standard_testfile
  22
  23 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  24     return -1
  25 }
  26
  27 # Start with a fresh gdb.
  28 clean_restart ${testfile}
  29
  30 # Skip all tests if Python scripting is not enabled.
  31 if { [skip_python_tests] } { continue }
  32
  33 gdb_test_multiline "install new_thread event handler" \
  34     "python" "" \
  35     "seen_a_thread = False" "" \
  36     "def thread_handler(evt):" "" \
  37     "  if evt.inferior_thread is not None:" "" \
  38     "    global seen_a_thread" "" \
  39     "    seen_a_thread = True" "" \
  40     "gdb.events.new_thread.connect(thread_handler)" "" \
  41     "end" ""
  42
  43 # The following tests require execution.
  44
  45 if ![runto_main] then {
  46     fail "can't run to main"
  47     return 0
  48 }
  49
  50 gdb_test "python print(seen_a_thread)" "True"
  51
  52 # Test basic gdb.Inferior attributes and methods.
  53
  54 # Make sure that InferiorThread.inferior returns a new reference (see PR 21213).
  55
  56 gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 1" 1
  57 gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 2" 1
  58 gdb_test_no_output "python import gc; gc.collect()" "call Python garbage collection"
  59 gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 3" 1
  60 gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 4" 1
  61
  62
  63 gdb_py_test_silent_cmd "python t0 = gdb.selected_thread ()" "test gdb.selected_thread" 1
  64 gdb_test "python print (t0)" "\\<gdb.InferiorThread object at 0x\[\[:xdigit:\]\]+>" "verify InferiorThread object"
  65 gdb_test "python print ('result = %s' % t0.num)" " = 1" "test InferiorThread.num"
  66 gdb_test "python print ('result = %s' % t0.global_num)" " = 1" "test InferiorThread.global_num"
  67 gdb_test "python print ('result = %s' % str (t0.ptid))" " = \\(\[0-9\]+, \[0-9\]+, \[0-9\]+\\)" "test InferiorThread.ptid"
  68
  69 gdb_py_test_silent_cmd "python i0 = t0.inferior" "test InferiorThread.inferior" 1
  70 gdb_test "python print ('result = %s' % i0.num)" " = 1" "test Inferior.num"
  71
  72 gdb_py_test_silent_cmd "python name = gdb.selected_thread().name" \
  73     "get supplied name of current thread" 1
  74 gdb_py_test_silent_cmd "python gdb.selected_thread().name = 'hibob'" \
  75     "set name of current thread" 1
  76 gdb_test "python print (gdb.selected_thread().name)" "hibob" \
  77     "check name of current thread"
  78 gdb_py_test_silent_cmd "python gdb.selected_thread().name = None" \
  79     "reset name of current thread" 1
  80 gdb_test "python print (gdb.selected_thread().name == name)" "True" \
  81     "check name of current thread again"
  82
  83 gdb_test "python print ('result = %s' % t0.is_stopped ())" " = True" "test InferiorThread.is_stopped"
  84 gdb_test "python print ('result = %s' % t0.is_running ())" " = False" "test InferiorThread.is_running"
  85 gdb_test "python print ('result = %s' % t0.is_exited ())" " = False" "test InferiorThread.is_exited"
  86
  87 # Test InferiorThread is_valid.  This must always be the last test in
  88 # this testcase as it kills the inferior.
  89
  90 gdb_test "python print ('result = %s' % t0.is_valid ())" " = True" "test InferiorThread.is_valid"
  91 gdb_test_no_output "kill inferior 1" "kill inferior 1"
  92 gdb_test "python print ('result = %s' % t0.is_valid ())" " = False" \
  93     "test InferiorThread.is_valid after thread has been killed"