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

   1 # Copyright (C) 2009-2024 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 require allow_python_tests
  22
  23 standard_testfile
  24
  25 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  26     return -1
  27 }
  28
  29 gdb_test_multiline "install new_thread event handler" \
  30     "python" "" \
  31     "seen_a_thread = False" "" \
  32     "def thread_handler(evt):" "" \
  33     "  if (evt.inferior_thread is not None" "" \
  34     "      and isinstance (evt.inferior_thread, gdb.InferiorThread)):" "" \
  35     "    global seen_a_thread" "" \
  36     "    seen_a_thread = True" "" \
  37     "gdb.events.new_thread.connect(thread_handler)" "" \
  38     "end" ""
  39
  40 # The following tests require execution.
  41
  42 if {![runto_main]} {
  43     return 0
  44 }
  45
  46 gdb_test "python print(seen_a_thread)" "True"
  47
  48 # Test basic gdb.Inferior attributes and methods.
  49
  50 # Make sure that InferiorThread.inferior returns a new reference (see PR 21213).
  51
  52 gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 1" 1
  53 gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 2" 1
  54 gdb_test_no_output "python import gc; gc.collect()" "call Python garbage collection"
  55 gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 3" 1
  56 gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 4" 1
  57
  58
  59 gdb_py_test_silent_cmd "python t0 = gdb.selected_thread ()" "test gdb.selected_thread" 1
  60 gdb_test "python print (t0)" \
  61     "<gdb.InferiorThread id=${decimal}\\.${decimal} target-id=\"\[^\r\n\]*\">"
  62 gdb_test "python print ('result = %s' % t0.num)" " = 1" "test InferiorThread.num"
  63 gdb_test "python print ('result = %s' % t0.global_num)" " = 1" "test InferiorThread.global_num"
  64 gdb_test "python print ('result = %s' % str (t0.ptid))" " = \\(\[0-9\]+, \[0-9\]+, \[0-9\]+\\)" "test InferiorThread.ptid"
  65
  66 # Test the InferiorThread.ptid_string attribute.  We don't test the
  67 # actual string contents as they vary based on target, but we check
  68 # that we get back a non-empty string.
  69 gdb_test "python print(type(t0.ptid_string))" "<class 'str'>" \
  70     "check that InferiorThread.ptid_string is a string"
  71 gdb_test "python print(t0.ptid_string)" ".+" \
  72     "check that InferiorThread.ptid_string is non-empty"
  73
  74 gdb_py_test_silent_cmd "python i0 = t0.inferior" "test InferiorThread.inferior" 1
  75 gdb_test "python print ('result = %s' % i0.num)" " = 1" "test Inferior.num"
  76
  77 gdb_py_test_silent_cmd "python name = gdb.selected_thread().name" \
  78     "get supplied name of current thread" 1
  79 gdb_py_test_silent_cmd "python gdb.selected_thread().name = 'hibob'" \
  80     "set name of current thread" 1
  81 gdb_test "python print (gdb.selected_thread().name)" "hibob" \
  82     "check name of current thread"
  83 gdb_py_test_silent_cmd "python gdb.selected_thread().name = None" \
  84     "reset name of current thread" 1
  85 gdb_test "python print (gdb.selected_thread().name == name)" "True" \
  86     "check name of current thread again"
  87
  88 gdb_test_no_output "python details = gdb.selected_thread().details" \
  89     "record the thread details string"
  90 gdb_test "python print(details is None or isinstance(details, str))" "True" \
  91     "check that the details has an acceptable type"
  92
  93 gdb_test "python print ('result = %s' % t0.is_stopped ())" " = True" "test InferiorThread.is_stopped"
  94 gdb_test "python print ('result = %s' % t0.is_running ())" " = False" "test InferiorThread.is_running"
  95 gdb_test "python print ('result = %s' % t0.is_exited ())" " = False" "test InferiorThread.is_exited"
  96
  97 # Test InferiorThread is_valid.  This must always be the last test in
  98 # this testcase as it kills the inferior.
  99
 100 gdb_test "python print ('result = %s' % t0.is_valid ())" " = True" "test InferiorThread.is_valid"
 101 gdb_test_no_output "kill inferior 1" "kill inferior 1"
 102 gdb_test "python print ('result = %s' % t0.is_valid ())" " = False" \
 103     "test InferiorThread.is_valid after thread has been killed"