1# Copyright (C) 2012-2020 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 rvalue reference values to Python. It is based on 18# gdb.python/py-value-cc.exp. 19 20if {[skip_cplus_tests]} { continue } 21 22standard_testfile .cc 23 24if {[prepare_for_testing $testfile.exp $testfile $srcfile \ 25 {debug c++ additional_flags="-std=c++11"}]} { 26 return -1 27} 28 29# Skip all tests if Python scripting is not enabled. 30if {[skip_python_tests]} { continue } 31 32if {![runto_main]} { 33 untested "couldn't run to main" 34 return -1 35} 36 37gdb_breakpoint [gdb_get_line_number "Break here."] 38gdb_continue_to_breakpoint "Break here" ".*Break here.*" 39 40gdb_test "python print (str(gdb.parse_and_eval(\"int_rref\").type))" "int &&" 41gdb_test "python print (str(gdb.parse_and_eval(\"int_rref\").referenced_value().type))" "int" 42gdb_test "python print (str(gdb.parse_and_eval(\"int_rref\").referenced_value()))" "10" 43 44gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_rref\").dereference().type))" "int" 45gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_rref\").referenced_value().type))" "int_ptr" 46gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_rref\").referenced_value().dereference()))" "10" 47gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_rref\").referenced_value().referenced_value()))" "10" 48 49gdb_test_no_output "python b = gdb.parse_and_eval('b')" "init b" 50gdb_test_no_output "python b_rref = gdb.parse_and_eval('b_rref')" "init b_rref" 51gdb_test_no_output "python b_fields = b.type.fields()" "init b_fields" 52 53gdb_test "python print(b_rref\[b_fields\[1\]\])" "98 'b'" "b_rref.a via field" 54gdb_test "python print(b_rref\[b_fields\[0\]\].type.target())" "A" \ 55 "type of b_rref's base class via field" 56gdb_test "python print(b_rref\[b_fields\[0\]\]\['a'\])" "100" \ 57 "b_rref.A::a via field" 58