class2.exp revision 1.1 
1# Copyright 2003-2014 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
16if { [skip_cplus_tests] } { continue }
17
18
19standard_testfile .cc
20
21# Create and source the file that provides information about the compiler
22# used to compile the test case.
23if [get_compiler_info "c++"] {
24    return -1
25}
26
27if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
28    return -1
29}
30
31# Start with "set print object off".
32
33gdb_test_no_output "set print object off"
34
35if ![runto_main] then {
36    perror "couldn't run to main"
37    continue
38}
39
40get_debug_format
41
42gdb_test "break [gdb_get_line_number "marker return 0"]" \
43    "Breakpoint.*at.* file .*" ""
44
45gdb_test "continue" "Breakpoint .* at .*" ""
46
47# Access the "A" object.
48
49gdb_test "print alpha" \
50    "= {.*a1 = 100.*}" \
51    "print alpha at marker return 0"
52
53# Access the "B" object.
54
55gdb_test "print beta" \
56    "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
57    "print beta at marker return 0"
58
59# Access the "A" object through an "A *" pointer.
60
61gdb_test_multiple "print * aap" "print * aap at marker return 0" {
62    -re "= {.*a1 = 100.*}\r\n$gdb_prompt $" {
63	# gcc 2.95.3 -gstabs+
64	# gcc 3.3.2 -gdwarf-2
65	# gcc 3.3.2 -gstabs+
66	pass "print * aap at marker return 0"
67    }
68    -re "= {.*a1 = .*}\r\n$gdb_prompt $" {
69	if { [test_compiler_info gcc-2-*] && [test_debug_format "DWARF 2"] } {
70	    # gcc 2.95.3 -gdwarf-2
71	    setup_kfail "gdb/1465" "*-*-*"
72	}
73	fail "print * aap at marker return 0"
74    }
75}
76
77# Access the "B" object through a "B *" pointer.
78
79gdb_test "print * bbp" \
80    "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
81    "print * bbp at marker return 0"
82
83# Access the "B" object through an "A *" pointer.
84# This should print using the "A" type.
85
86gdb_test_multiple "print * abp" "print * abp at marker return 0, s-p-o off" {
87    -re "= {.*a1 = 200.*b1 = .*b2 = .*}\r\n$gdb_prompt $" {
88	# This would violate the documentation for "set print object off".
89	fail "print * abp at marker return 0, s-p-o off"
90    }
91    -re "= {.*a1 = 200.*}\r\n$gdb_prompt $" {
92	pass "print * abp at marker return 0, s-p-o off"
93    }
94}
95
96# Access the "B" object through a "B *" pointer expression.
97# This should print using the "B" type.
98
99gdb_test "print * (B *) abp" \
100    "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
101    "print * (B *) abp at marker return 0"
102
103# Printing the value of an object containing no data fields:
104
105gdb_test "p e" "= \{<No data fields>\}" "print object with no data fields"
106
107# Printing NULL pointers with "set print object on"
108
109gdb_test_no_output "set print object on"
110gdb_test "p acp" "= \\(C \\*\\) ${hex}"
111gdb_test "p acp->c1" "\\(A \\*\\) 0x0"
112gdb_test "p acp->c2" "\\(A \\*\\) ${hex}f"
113
114# Regression test for PR c++/15401.
115# Check that the type printed is a reference.
116gdb_test "p aref" " = \\(A \\&\\) .*"
117