aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.cp/class2.exp
blob: c5a3e4da54aad2551c37dd37cbfb7308e64a4feb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
# Copyright 2003-2017 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/>.

if { [skip_cplus_tests] } { continue }


standard_testfile .cc

# Create and source the file that provides information about the compiler
# used to compile the test case.
if [get_compiler_info "c++"] {
    return -1
}

if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
    return -1
}

# Start with "set print object off" and "set print symbol off".

gdb_test_no_output "set print object off"
gdb_test_no_output "set print symbol off"

if ![runto_main] then {
    perror "couldn't run to main"
    continue
}

get_debug_format

gdb_test "break [gdb_get_line_number "marker return 0"]" \
    "Breakpoint.*at.* file .*" ""

gdb_test "continue" "Breakpoint .* at .*" ""

# Access the "A" object.

gdb_test "print alpha" \
    "= {.*a1 = 100.*}" \
    "print alpha at marker return 0"

# Access the "B" object.

gdb_test "print beta" \
    "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
    "print beta at marker return 0"

# Access the "A" object through an "A *" pointer.

gdb_test_multiple "print * aap" "print * aap at marker return 0" {
    -re "= {.*a1 = 100.*}\r\n$gdb_prompt $" {
	# gcc 2.95.3 -gstabs+
	# gcc 3.3.2 -gdwarf-2
	# gcc 3.3.2 -gstabs+
	pass "print * aap at marker return 0"
    }
    -re "= {.*a1 = .*}\r\n$gdb_prompt $" {
	if { [test_compiler_info gcc-2-*] && [test_debug_format "DWARF 2"] } {
	    # gcc 2.95.3 -gdwarf-2
	    setup_kfail "gdb/1465" "*-*-*"
	}
	fail "print * aap at marker return 0"
    }
}

# Access the "B" object through a "B *" pointer.

gdb_test "print * bbp" \
    "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
    "print * bbp at marker return 0"

# Access the "B" object through an "A *" pointer.
# This should print using the "A" type.

gdb_test_multiple "print * abp" "print * abp at marker return 0, s-p-o off" {
    -re "= {.*a1 = 200.*b1 = .*b2 = .*}\r\n$gdb_prompt $" {
	# This would violate the documentation for "set print object off".
	fail "print * abp at marker return 0, s-p-o off"
    }
    -re "= {.*a1 = 200.*}\r\n$gdb_prompt $" {
	pass "print * abp at marker return 0, s-p-o off"
    }
}

# Access the "B" object through a "B *" pointer expression.
# This should print using the "B" type.

gdb_test "print * (B *) abp" \
    "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
    "print * (B *) abp at marker return 0"

# Print the "D" object.

gdb_test "print delta" \
    "= {.*d1 = 400}" \
    "print delta with \"print object\" off"

# Printing the value of an object containing no data fields:

gdb_test "p e" "= \{<No data fields>\}" "print object with no data fields"

# Printing NULL pointers with "set print object on".

gdb_test_no_output "set print object on"
gdb_test "p acp" "= \\(C \\*\\) ${hex}"
gdb_test "p acp->c1" "\\(A \\*\\) 0x0"
gdb_test "p acp->c2" "\\(A \\*\\) ${hex}f"

# Print the "D" object with "set print object on".
# There's no difference in output, but this exercises vtable lookup
# with a typedef'd baseclass.

gdb_test "print delta" \
    "= {.*d1 = 400}" \
    "print delta with \"print object\" on"

# Regression test for PR c++/15401.
# Check that the type printed is a reference.
gdb_test "p aref" " = \\(A \\&\\) .*"