gdb/testsuite/gdb.python/py-autoloaded-pretty-printers-in-newobjfile-event.exp

# Copyright (C) 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 that Python pretty-printers
# defined in a Python script that is autoloaded are registered when an event
# handler for the new_objfile event is called.

load_lib gdb-python.exp

standard_testfile -main.cc

set srcfile_lib "${testfile}-lib.cc"
set python_event_handler_file "${srcdir}/${subdir}/${testfile}.py"
set libname "lib${testfile}"
set python_autoload_file "${srcdir}/${subdir}/${libname}.so-gdb.py"
set binfile_lib [standard_output_file "${libname}.so"]

# Start GDB first - needed for skip_python_tests.
clean_restart

# Skip all tests if Python scripting is not enabled.
if { [skip_python_tests] } { continue }

# Compile library.
if { [gdb_compile_shlib ${srcdir}/${subdir}/${srcfile_lib} ${binfile_lib} \
      {debug c++}] != "" } {
    return -1
}

# Compile main program.
if { [gdb_compile ${srcdir}/${subdir}/${srcfile} \
      ${binfile} \
      executable \
      [list debug c++ shlib=$binfile_lib]] != "" } {
    return -1
}

# Make the -gdb.py script available to gdb, it is automatically loaded by
# gdb if it is put in the same directory as the library.
set remote_python_autoload_file \
    [gdb_remote_download host $python_autoload_file]

gdb_test_no_output \
    "set auto-load safe-path ${remote_python_autoload_file}" \
    "set auto-load safe-path"

# Load the Python file that defines a handler for the new_objfile event.
set remote_python_event_handler_file\
    [gdb_remote_download host $python_event_handler_file]
gdb_test_no_output "source ${remote_python_event_handler_file}" "load python file"

gdb_load ${binfile}

gdb_test_no_output "set print pretty on"

if { ![runto_main] } {
    return
}

# Check that the new_objfile handler saw the pretty-printer.
gdb_test "print all_good" " = true"

# Check that the pretty-printer actually works.
gdb_test "info pretty-printer" "my_library.*MyClassTestLib.*"
gdb_breakpoint [gdb_get_line_number "break to inspect"]
gdb_test "continue" "Breakpoint $decimal, main .*"
gdb_test "print test" "MyClassTestLib object, id: 1.*"