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