1# This testcase is part of GDB, the GNU debugger.
2
3# Copyright 1998, 1999, 2004 Free Software Foundation, Inc.
4
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 2 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18
19# This file was written by Elena Zannoni (ezannoni@cygnus.com)
20
21# Tests for correctenss of logical operators, associativity and
22# precedence with integer type variables
23
24
25if $tracelevel then {
26    strace $tracelevel
27}
28
29#
30# test running programs
31#
32set prms_id 0
33set bug_id 0
34
35set testfile "int-type"
36set srcfile ${testfile}.c
37set binfile ${objdir}/${subdir}/${testfile}
38
39if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
40    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
41}
42
43if [get_compiler_info ${binfile}] {
44    return -1;
45}
46
47gdb_exit
48gdb_start
49gdb_reinitialize_dir $srcdir/$subdir
50gdb_load ${binfile}
51
52
53#
54# set it up at a breakpoint so we can play with the variable values
55#
56
57if ![runto_main] then {
58    perror "couldn't run to breakpoint"
59    continue
60}
61
62proc evaluate { vars ops } {
63    for {set vari 0} {$vari < [llength $vars]} {incr vari} {
64	set var [lindex $vars $vari]
65	for {set opi 0} {$opi < [llength $ops]} {incr opi} {
66	    set op [lindex [lindex $ops $opi] 0]
67	    set val [lindex [lindex $ops $opi] [expr $vari + 1]]
68	    gdb_test "print $var, $op" " = $val" "evaluate $op; variables $var; expecting $val"
69	}
70    }
71}
72
73# Unary
74
75evaluate {
76    {x = 0} {x = 1}
77} {
78    { {x}   0 1 }
79    { {!x}  1 0 }
80    { {!!x} 0 1 }
81}
82
83# Binary (with unary)
84
85evaluate {
86    {x = 0, y = 0} {x = 0, y = 1} {x = 1, y = 0} {x = 1, y = 1}
87} {
88    { {x && y}   0 0 0 1 }
89    { {!x && y}  0 1 0 0 }
90    { {x && !y}  0 0 1 0 }
91    { {!x && !y} 1 0 0 0 }
92
93    { {x || y}   0 1 1 1 }
94    { {!x || y}  1 1 0 1 }
95    { {x || !y}  1 0 1 1 }
96    { {!x || !y} 1 1 1 0 }
97
98    { {x < y}    0 1 0 0 }
99    { {x <= y}   1 1 0 1 }
100    { {x == y}   1 0 0 1 }
101    { {x != y}   0 1 1 0 }
102    { {x >= y}   1 0 1 1 }
103    { {x > y}    0 0 1 0 }
104}
105
106# Full table of &&, || combinations, followed by random mix of unary ops
107
108evaluate {
109    {x = 0, y = 0, z = 0} {x = 0, y = 0, z = 1} {x = 0, y = 1, z = 0} {x = 0, y = 1, z = 1}
110    {x = 1, y = 0, z = 0} {x = 1, y = 0, z = 1} {x = 1, y = 1, z = 0} {x = 1, y = 1, z = 1}
111} {
112    { {x && y && z}    0 0 0 0  0 0 0 1 }
113    { {x || y && z}    0 0 0 1  1 1 1 1 }
114    { {x && y || z}    0 1 0 1  0 1 1 1 }
115    { {x || y || z}    0 1 1 1  1 1 1 1 }
116
117    { {x || !y && z}   0 1 0 0  1 1 1 1 }
118    { {!x || y && z}   1 1 1 1  0 0 0 1 }
119    { {!x || y && !z}  1 1 1 1  0 0 1 0 }
120}
121
122# More complex operations
123
124evaluate {
125    {x = 1, y = 2, w = 3, z = 3}
126    {x = 1, y = 2, w = 1, z = 3}
127    {x = 2, y = 2, w = 2, z = 3}
128} {
129    { {x > y || w == z}   1 0 0 }
130    { {x >= y && w != z}  0 0 1 }
131    { {! x > y || w + z}  1 1 1 }
132}
133