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

# Copyright (C) 2008-2021 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 values to Python.

if { [skip_cplus_tests] } { continue }

standard_testfile .cc
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
	  {debug c++}] != "" } {
    untested "failed to compile"
    return -1
}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

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

proc test_template_arg {exefile type} {
    global testfile srcdir subdir srcfile
    if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${exefile}" \
		executable \
	  	[list debug c++ additional_flags="-DTYPE=$type"]] != "" } {
	untested $type
	return -1
    }
    gdb_load ${exefile}
    if ![runto_main ] then {
	perror "couldn't run to breakpoint"
	return
    }
    # There is no executable code in main(), so we are where we want to be
    gdb_test "print (foo)" ".*" \
	"print (foo) in template test of $type"
    gdb_test_no_output "python foo = gdb.history(0)" \
	"fetch foo from gdb.history(0) in template test of $type"

    # Replace '*' with '\*' in regex.
    regsub -all {\*} $type {\*} t
    gdb_test "python print (foo.type.template_argument(0))" $t $type

    gdb_test "python print(foo.type.template_argument(-1))" \
	"Template argument number must be non-negative\r\nError while executing Python code." \
	"negative template argument number in template test of $type"
}

test_template_arg "${binfile}-ci" "const int"
test_template_arg "${binfile}-vi" "volatile int"
test_template_arg "${binfile}-cir" "const int &"
test_template_arg "${binfile}-vir" "volatile int &"
test_template_arg "${binfile}-vipc" "volatile int * const"
test_template_arg "${binfile}-vipcp" "volatile int * const *"
test_template_arg "${binfile}-cipv" "const int * volatile"
test_template_arg "${binfile}-cipvpcpvp" "const int * volatile * const * volatile *"