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
|
# This testcase is part of GDB, the GNU debugger.
# Copyright 1998, 1999, 2004, 2007, 2008, 2009, 2010, 2011
# 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/>.
# This file was written by Elena Zannoni (ezannoni@cygnus.com)
# Tests for correctenss of logical operators, associativity and
# precedence with integer type variables
if $tracelevel then {
strace $tracelevel
}
#
# test running programs
#
set testfile "int-type"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
untested logical.exp
return -1
}
if [get_compiler_info ${binfile}] {
return -1;
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
#
# set it up at a breakpoint so we can play with the variable values
#
if ![runto_main] then {
perror "couldn't run to breakpoint"
continue
}
proc evaluate { vars ops } {
for {set vari 0} {$vari < [llength $vars]} {incr vari} {
set var [lindex $vars $vari]
for {set opi 0} {$opi < [llength $ops]} {incr opi} {
set op [lindex [lindex $ops $opi] 0]
set val [lindex [lindex $ops $opi] [expr $vari + 1]]
gdb_test "print $var, $op" " = $val" "evaluate $op; variables $var; expecting $val"
}
}
}
# Unary
evaluate {
{x = 0} {x = 1}
} {
{ {x} 0 1 }
{ {!x} 1 0 }
{ {!!x} 0 1 }
}
# Binary (with unary)
evaluate {
{x = 0, y = 0} {x = 0, y = 1} {x = 1, y = 0} {x = 1, y = 1}
} {
{ {x && y} 0 0 0 1 }
{ {!x && y} 0 1 0 0 }
{ {x && !y} 0 0 1 0 }
{ {!x && !y} 1 0 0 0 }
{ {x || y} 0 1 1 1 }
{ {!x || y} 1 1 0 1 }
{ {x || !y} 1 0 1 1 }
{ {!x || !y} 1 1 1 0 }
{ {x < y} 0 1 0 0 }
{ {x <= y} 1 1 0 1 }
{ {x == y} 1 0 0 1 }
{ {x != y} 0 1 1 0 }
{ {x >= y} 1 0 1 1 }
{ {x > y} 0 0 1 0 }
}
# Full table of &&, || combinations, followed by random mix of unary ops
evaluate {
{x = 0, y = 0, z = 0} {x = 0, y = 0, z = 1} {x = 0, y = 1, z = 0} {x = 0, y = 1, z = 1}
{x = 1, y = 0, z = 0} {x = 1, y = 0, z = 1} {x = 1, y = 1, z = 0} {x = 1, y = 1, z = 1}
} {
{ {x && y && z} 0 0 0 0 0 0 0 1 }
{ {x || y && z} 0 0 0 1 1 1 1 1 }
{ {x && y || z} 0 1 0 1 0 1 1 1 }
{ {x || y || z} 0 1 1 1 1 1 1 1 }
{ {x || !y && z} 0 1 0 0 1 1 1 1 }
{ {!x || y && z} 1 1 1 1 0 0 0 1 }
{ {!x || y && !z} 1 1 1 1 0 0 1 0 }
}
# More complex operations
evaluate {
{x = 1, y = 2, w = 3, z = 3}
{x = 1, y = 2, w = 1, z = 3}
{x = 2, y = 2, w = 2, z = 3}
} {
{ {x > y || w == z} 1 0 0 }
{ {x >= y && w != z} 0 0 1 }
{ {! x > y || w + z} 1 1 1 }
}
|
