summaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.base/cond-expr.exp
blob: 0eaa3a38e8886efebefb753fa9574186731550db (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
# Copyright 1998, 1999, 2007, 2008, 2009 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)

# This file is part of the gdb testsuite

#
# test of evaluation of conditional expressions, with constants and 
# variables. Using the print and the whatis command
# written with the only purpose in mind to cover the holes in the
# eval.c file
#
# source file "int-type.c"
#


if $tracelevel then {
        strace $tracelevel
}

# Check to see if we have an executable to test.  If not, then either we
# haven't tried to compile one, or the compilation failed for some reason.
# In either case, just notify the user and skip the tests in this file.

set testfile "int-type"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
     untested cond-expr.exp
     return -1
    }


gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}


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

send_gdb "print (2 ? 3 : 4)\n"
gdb_expect {
    -re ".\[0-9\]* = 3.*$gdb_prompt $" {
        pass "print value of cond expr (const true)"
      }
    -re ".*$gdb_prompt $" { fail "print value of cond expr (const true)" }
    timeout           { fail "(timeout) print value of cond expr (const true)" }
  }

send_gdb "print (0 ? 3 : 4)\n"
gdb_expect {
    -re ".\[0-9\]* = 4.*$gdb_prompt $" {
        pass "print value of cond expr (const false)"
      }
    -re ".*$gdb_prompt $" { fail "print value of cond expr (const false)" }
    timeout           { fail "(timeout) print value of cond expr (const false)" }
  }

gdb_test "set variable x=14" "" "set variable x=14"
gdb_test "set variable y=2" "" "set variable y=2"
gdb_test "set variable z=3" "" "set variable z=3"

send_gdb "print (x ? y : z)\n"
gdb_expect {
    -re ".\[0-9\]* = 2.*$gdb_prompt $" {
        pass "print value of cond expr (var true)"
      }
    -re ".*$gdb_prompt $" { fail "print value of cond expr (var true)" }
    timeout           { fail "(timeout) print value of cond expr (var true)" }
  }

gdb_test "set variable x=0" "" "set variable x=0"

send_gdb "print (x ? y : z)\n"
gdb_expect {
    -re ".\[0-9\]* = 3.*$gdb_prompt $" {
        pass "print value of cond expr (var false)"
      }
    -re ".*$gdb_prompt $" { fail "print value of cond expr (var false)" }
    timeout           { fail "(timeout) print value of cond expr (var false)" }
  }


send_gdb "whatis (0 ? 3 : 4)\n"
gdb_expect {
    -re "type = int.*$gdb_prompt $" {
        pass "print whatis of cond expr"
      }
    -re ".*$gdb_prompt $" { fail "print whatis of cond expr" }
    timeout           { fail "(timeout) print whatis of cond expr" }
  }