aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.base/gdbvars.exp
blob: 9678df6bb6e2d6a880c37fe4bb09dc908994ca13 (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
# Copyright (C) 1992, 1997 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

# This file was written by Fred Fish. (fnf@cygnus.com)

if $tracelevel then {
	strace $tracelevel
}

set prms_id 0
set bug_id 0

proc test_convenience_variables {} {
    global gdb_prompt

    gdb_test "set \$foo = 101"	"" \
	"Set a new convenience variable"

    gdb_test "print \$foo"		" = 101" \
	"Print contents of new convenience variable"

    gdb_test "set \$foo = 301"	"" \
	"Set convenience variable to a new value"

    gdb_test "print \$foo"		" = 301" \
	"Print new contents of convenience variable"

    gdb_test "set \$_ = 11"		"" \
	"Set convenience variable \$_"

    gdb_test "print \$_"		" = 11" \
	"Print contents of convenience variable \$_"

    gdb_test "print \$foo + 10"	" = 311" \
	"Use convenience variable in arithmetic expression"

    gdb_test "print (\$foo = 32) + 4"	" = 36" \
	"Use convenience variable assignment in arithmetic expression"

    gdb_test "print \$bar"		" = void" \
	"Print contents of uninitialized convenience variable"
}

proc test_value_history {} {
    global gdb_prompt

    gdb_test "print 101"	"\\\$1 = 101" \
	"Set value-history\[1\] using \$1"

    gdb_test "print 102" 	"\\\$2 = 102" \
	"Set value-history\[2\] using \$2"

    gdb_test "print 103"	"\\\$3 = 103" \
	"Set value-history\[3\] using \$3"

    gdb_test "print \$\$"	"\\\$4 = 102" \
	"Print value-history\[MAX-1\] using inplicit index \$\$"

    gdb_test "print \$\$"	"\\\$5 = 103" \
	"Print value-history\[MAX-1\] again using implicit index \$\$"

    gdb_test "print \$"	"\\\$6 = 103" \
	"Print value-history\[MAX\] using implicit index \$"

    gdb_test "print \$\$2"	"\\\$7 = 102" \
	"Print value-history\[MAX-2\] using explicit index \$\$2"

    gdb_test "print \$0"	"\\\$8 = 102" \
	"Print value-history\[MAX\] using explicit index \$0"

    gdb_test "print 108"	"\\\$9 = 108"

    gdb_test "print \$\$0"	"\\\$10 = 108" \
	"Print value-history\[MAX\] using explicit index \$\$0"

    gdb_test "print \$1"	"\\\$11 = 101" \
	"Print value-history\[1\] using explicit index \$1"

    gdb_test "print \$2"	"\\\$12 = 102" \
	"Print value-history\[2\] using explicit index \$2"

    gdb_test "print \$3"	"\\\$13 = 103" \
	"Print value-history\[3\] using explicit index \$3"

    gdb_test "print \$-3"	"\\\$14 = 100" \
	"Print (value-history\[MAX\] - 3) using implicit index \$"

    gdb_test "print \$1 + 3"	"\\\$15 = 104" \
	"Use value-history element in arithmetic expression"
}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

send_gdb "set print sevenbit-strings\n" ; gdb_expect -re ".*$gdb_prompt $"

test_value_history
test_convenience_variables