virtbase.exp revision 1.1
1# Copyright 2010-2014 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. 17 18if { [skip_cplus_tests] } { continue } 19 20standard_testfile .cc 21 22if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} { 23 return -1 24} 25 26if {![runto_main]} then { 27 perror "couldn't run to breakpoint" 28 continue 29} 30 31gdb_breakpoint [gdb_get_line_number "breakpoint 1"] 32gdb_continue_to_breakpoint "first breakpoint" 33 34# In PR 11226, we failed to print x correctly in the "print *this" 35# case. 36gdb_test "print *this" " = {<mc::Base> = {x = 2}, _vptr.Middle = $hex, y = 3}" 37gdb_test "print x" " = 2" "print x in get_y" 38 39gdb_breakpoint [gdb_get_line_number "breakpoint 2"] 40gdb_continue_to_breakpoint "second breakpoint" 41 42# In PR 11226, we could not find x here. 43gdb_test "print x" " = 2" "print x in get_z" 44 45gdb_breakpoint [gdb_get_line_number "breakpoint 3"] 46gdb_continue_to_breakpoint "third breakpoint" 47 48# In PR 9629, we failed to print v correctly here. 49gdb_test "print *(D *) e" " = {<C> = {v = 11}, _vptr.D = $hex}" 50 51# A regression test reported to Red Hat bugzilla, see: 52# https://bugzilla.redhat.com/show_bug.cgi?id=560741 53gdb_test_no_output "set print object on" 54gdb_test "print/x b->mA" " = 0xaaaaaaaa" 55 56# A regression test reported to Red Hat bugzilla, see: 57# https://bugzilla.redhat.com/show_bug.cgi?id=606660 58# `set print object on' is expected. 59gdb_test "print rtti_data" " = .*, data = 1\}" 60 61# Printing a pointer into a virtual base of a larger object used to do 62# pointer adjusment directly into the value being printed, in-place 63# (and did it wrong, too). Print the pointer, and then access the 64# value history to check the pointer value is not changed. If it had 65# been changed, then we'd not be able to find the real type anymore. 66gdb_test "print virtual_middle_b" \ 67 " = \\(Virtual \\*\\) $hex <virtual_o>" \ 68 "print pointer to virtual base at non-zero offset of larger object" 69gdb_test "print $" \ 70 " = \\(Virtual \\*\\) $hex <virtual_o>" \ 71 "print same pointer from history value" 72gdb_test "print *$$" \ 73 " = \\(Virtual\\) {<VirtualMiddleA> = {<VirtualBase> = {_vptr.VirtualBase = ${hex}( <vtable for Virtual.*>)?, x = 0}, _vptr.VirtualMiddleA = ${hex}( <vtable for Virtual.*>)?, y = \\{0 <repeats 300 times>\\}}, <VirtualMiddleB> = {_vptr.VirtualMiddleB = ${hex}( <vtable for Virtual.*>)?, y = 0}, _vptr.Virtual = ${hex}( <vtable for Virtual.*>)?, z = 0}" \ 74 "print whole pointed-to object, starting from the virtual base pointer" 75