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

# Copyright (C) 2009-2021 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 part of the GDB testsuite.  It tests the mechanism
# exposing inferior threads to Python.

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 }

gdb_test_multiline "install new_thread event handler" \
    "python" "" \
    "seen_a_thread = False" "" \
    "def thread_handler(evt):" "" \
    "  if evt.inferior_thread is not None:" "" \
    "    global seen_a_thread" "" \
    "    seen_a_thread = True" "" \
    "gdb.events.new_thread.connect(thread_handler)" "" \
    "end" ""

# The following tests require execution.

if ![runto_main] then {
    return 0
}

gdb_test "python print(seen_a_thread)" "True"

# Test basic gdb.Inferior attributes and methods.

# Make sure that InferiorThread.inferior returns a new reference (see PR 21213).

gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 1" 1
gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 2" 1
gdb_test_no_output "python import gc; gc.collect()" "call Python garbage collection"
gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 3" 1
gdb_py_test_silent_cmd "python gdb.selected_thread ().inferior" "test InferiorThread.inferior 4" 1


gdb_py_test_silent_cmd "python t0 = gdb.selected_thread ()" "test gdb.selected_thread" 1
gdb_test "python print (t0)" "\\<gdb.InferiorThread object at 0x\[\[:xdigit:\]\]+>" "verify InferiorThread object"
gdb_test "python print ('result = %s' % t0.num)" " = 1" "test InferiorThread.num"
gdb_test "python print ('result = %s' % t0.global_num)" " = 1" "test InferiorThread.global_num"
gdb_test "python print ('result = %s' % str (t0.ptid))" " = \\(\[0-9\]+, \[0-9\]+, \[0-9\]+\\)" "test InferiorThread.ptid"

gdb_py_test_silent_cmd "python i0 = t0.inferior" "test InferiorThread.inferior" 1
gdb_test "python print ('result = %s' % i0.num)" " = 1" "test Inferior.num"

gdb_py_test_silent_cmd "python name = gdb.selected_thread().name" \
    "get supplied name of current thread" 1
gdb_py_test_silent_cmd "python gdb.selected_thread().name = 'hibob'" \
    "set name of current thread" 1
gdb_test "python print (gdb.selected_thread().name)" "hibob" \
    "check name of current thread"
gdb_py_test_silent_cmd "python gdb.selected_thread().name = None" \
    "reset name of current thread" 1
gdb_test "python print (gdb.selected_thread().name == name)" "True" \
    "check name of current thread again"

gdb_test "python print ('result = %s' % t0.is_stopped ())" " = True" "test InferiorThread.is_stopped"
gdb_test "python print ('result = %s' % t0.is_running ())" " = False" "test InferiorThread.is_running"
gdb_test "python print ('result = %s' % t0.is_exited ())" " = False" "test InferiorThread.is_exited"

# Test InferiorThread is_valid.  This must always be the last test in
# this testcase as it kills the inferior.

gdb_test "python print ('result = %s' % t0.is_valid ())" " = True" "test InferiorThread.is_valid"
gdb_test_no_output "kill inferior 1" "kill inferior 1"
gdb_test "python print ('result = %s' % t0.is_valid ())" " = False" \
    "test InferiorThread.is_valid after thread has been killed"