gdb/testsuite/gdb.base/exprs.exp

   1 #   Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 2000,
   2 #   2001, 2003, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Rob Savoye. (rob@cygnus.com)
  18
  19 if $tracelevel {
  20     strace $tracelevel
  21 }
  22
  23 #
  24 # test running programs
  25 #
  26
  27 set testfile "exprs"
  28 set srcfile ${testfile}.c
  29 set binfile ${objdir}/${subdir}/${testfile}
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  31      untested exprs.exp
  32      return -1
  33 }
  34
  35 if [get_compiler_info ${binfile}] {
  36     return -1;
  37 }
  38
  39 gdb_exit
  40 gdb_start
  41 gdb_reinitialize_dir $srcdir/$subdir
  42 gdb_load ${binfile}
  43
  44 #
  45 # set it up at a breakpoint so we can play with the variable values
  46 #
  47
  48 if ![runto_main] then {
  49     perror "couldn't run to breakpoint"
  50     continue
  51 }
  52
  53 proc test_expr { args } {
  54     if { [llength $args] % 2 } {
  55         warning "an even # of arguments should be passed to test_expr"
  56     }
  57     set last_ent [expr [llength $args] - 1];
  58     set testname [lindex $args $last_ent];
  59     if [gdb_test [lindex $args 0] ".*" "$testname (setup)"] {
  60         gdb_suppress_tests;
  61     }
  62     for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
  63         if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
  64             gdb_suppress_tests;
  65         }
  66     }
  67     gdb_stop_suppressing_tests;
  68 }
  69 #
  70 # test expressions with "char" types
  71 #
  72 test_expr "set variable v_char=127" "print v_char == 0" "\\$\[0-9\]* = $false"  "print v_char == 127" "\\$\[0-9\]* = $true"  "print char =="
  73 test_expr "set variable v_char=127" "print v_char != 0" "\\$\[0-9\]* = $true"  "print v_char != 127" "\\$\[0-9\]* = $false"  "print char !="
  74 test_expr "set variable v_char=127" "print v_char < 0" "\\$\[0-9\]* = $false"  "print v_char < 127" "\\$\[0-9\]* = $false"  "print char <"
  75 test_expr "set variable v_char=127" "print v_char > 0" "\\$\[0-9\]* = $true"  "print v_char > 127" "\\$\[0-9\]* = $false"  "print char >"
  76 #
  77 # test expressions with "signed char" types
  78 #
  79 test_expr "set variable v_signed_char=127" "print v_signed_char == 0" "\\$\[0-9\]* = $false"  "print v_signed_char == 127" "\\$\[0-9\]* = $true"  "print signed char =="
  80 test_expr "set variable v_signed_char=127" "print v_signed_char != 0" "\\$\[0-9\]* = $true"  "print v_signed_char != 127" "\\$\[0-9\]* = $false"  "print signed char !="
  81 test_expr "set variable v_signed_char=127" "print v_signed_char < 0" "\\$\[0-9\]* = $false"  "print v_signed_char < 127" "\\$\[0-9\]* = $false"  "print signed char <"
  82 test_expr "set variable v_signed_char=127" "print v_signed_char > 0" "\\$\[0-9\]* = $true"  "print v_signed_char > 127" "\\$\[0-9\]* = $false"  "print signed char >"
  83 # make char a minus
  84 test_expr "set variable v_signed_char=-1" "print v_signed_char == 0" "\\$\[0-9\]* = $false"  "print v_signed_char == -1" "\\$\[0-9\]* = $true"  "print signed char == (minus)"
  85 test_expr "set variable v_signed_char=-1" "print v_signed_char != 0" "\\$\[0-9\]* = $true"  "print v_signed_char != -1" "\\$\[0-9\]* = $false"  "print signed char != (minus)"
  86 test_expr "set variable v_signed_char=-1" "print v_signed_char < 0" "\\$\[0-9\]* = $true"  "print v_signed_char < 127" "\\$\[0-9\]* = $true"  "print signed char < (minus)"
  87 test_expr "set variable v_signed_char=-1" "print v_signed_char > 0" "\\$\[0-9\]* = $false"  "print v_signed_char > 127" "\\$\[0-9\]* = $false"  "print signed char > (minus)"
  88 #
  89 # test expressions with "unsigned char" types
  90 #
  91 test_expr "set variable v_unsigned_char=127" "print v_unsigned_char == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_char == 127" "\\$\[0-9\]* = $true"  "print unsigned char =="
  92 test_expr "set variable v_unsigned_char=127" "print v_unsigned_char != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_char != 127" "\\$\[0-9\]* = $false"  "print unsigned char !="
  93 test_expr "set variable v_unsigned_char=127" "print v_unsigned_char < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_char < 127" "\\$\[0-9\]* = $false"  "print unsigned char <"
  94 test_expr "set variable v_unsigned_char=127" "print v_unsigned_char > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_char > 127" "\\$\[0-9\]* = $false"  "print unsigned char >"
  95 # make char a minus
  96 test_expr "set variable v_unsigned_char=~0" "print v_unsigned_char == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_char == ~0" "\\$\[0-9\]* = $false"  "print v_unsigned_char == (unsigned char)~0" "\\$\[0-9\]* = $true" "print unsigned char == (~0)"
  97 test_expr "set variable v_unsigned_char=~0" "print v_unsigned_char != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_char != (unsigned char)~0" "\\$\[0-9\]* = $false"  "print v_unsigned_char != ~0" "\\$\[0-9\]* = $true" "print unsigned char != (~0)"
  98 test_expr "set variable v_unsigned_char=~0" "print v_unsigned_char < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_char < 127" "\\$\[0-9\]* = $false"  "print unsigned char < (~0)"
  99 test_expr "set variable v_unsigned_char=~0" "print v_unsigned_char > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_char > 127" "\\$\[0-9\]* = $true"  "print unsigned char > (~0)"
 100 #
 101 # test expressions with "short" types
 102 #
 103 test_expr "set variable v_short=0x7FFF" "print v_short == 0" "\\$\[0-9\]* = $false"  "print v_short == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed short =="
 104 test_expr "set variable v_short=0x7FFF" "print v_short != 0" "\\$\[0-9\]* = $true"  "print v_short != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed short !="
 105 test_expr "set variable v_short=0x7FFF" "print v_short < 0" "\\$\[0-9\]* = $false"  "print v_short < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed short <"
 106 test_expr "set variable v_short=0x7FFF" "print v_short > 0" "\\$\[0-9\]* = $true"  "print v_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed short >"
 107 # make short a minus
 108 test_expr "set variable v_short=-1" "print v_short == 0" "\\$\[0-9\]* = $false"  "print v_short == -1" "\\$\[0-9\]* = $true"  "print signed short == (minus)"
 109 test_expr "set variable v_short=-1" "print v_short != 0" "\\$\[0-9\]* = $true"  "print v_short != -1" "\\$\[0-9\]* = $false"  "print signed short != (minus)"
 110 test_expr "set variable v_short=-1" "print v_short < 0" "\\$\[0-9\]* = $true"  "print v_short < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed short < (minus)"
 111 test_expr "set variable v_short=-1" "print v_short > 0" "\\$\[0-9\]* = $false"  "print v_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed short > (minus)"
 112 #
 113 # test expressions with "signed short" types
 114 #
 115 test_expr "set variable v_signed_short=0x7FFF" "print v_signed_short == 0" "\\$\[0-9\]* = $false"  "print v_signed_short == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed short =="
 116 test_expr "set variable v_signed_short=0x7FFF" "print v_signed_short != 0" "\\$\[0-9\]* = $true"  "print v_signed_short != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed short !="
 117 test_expr "set variable v_signed_short=0x7FFF" "print v_signed_short < 0" "\\$\[0-9\]* = $false"  "print v_signed_short < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed short <"
 118 test_expr "set variable v_signed_short=0x7FFF" "print v_signed_short > 0" "\\$\[0-9\]* = $true"  "print v_signed_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed short >"
 119 # make short a minus
 120 test_expr "set variable v_signed_short=-1" "print v_signed_short == 0" "\\$\[0-9\]* = $false"  "print v_signed_short == -1" "\\$\[0-9\]* = $true"  "print signed signed short == (minus)"
 121 test_expr "set variable v_signed_short=-1" "print v_signed_short != 0" "\\$\[0-9\]* = $true"  "print v_signed_short != -1" "\\$\[0-9\]* = $false"  "print signed signed short != (minus)"
 122 test_expr "set variable v_signed_short=-1" "print v_signed_short < 0" "\\$\[0-9\]* = $true"  "print v_signed_short < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed short < (minus)"
 123 test_expr "set variable v_signed_short=-1" "print v_signed_short > 0" "\\$\[0-9\]* = $false"  "print v_signed_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed short > (minus)"
 124 #
 125 # test expressions with "unsigned short" types
 126 #
 127 test_expr "set variable v_unsigned_short=0x7FFF" "print v_unsigned_short == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_short == 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned short =="
 128 test_expr "set variable v_unsigned_short=0x7FFF" "print v_unsigned_short != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_short != 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned short !="
 129 test_expr "set variable v_unsigned_short=0x7FFF" "print v_unsigned_short < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_short < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned short <"
 130 test_expr "set variable v_unsigned_short=0x7FFF" "print v_unsigned_short > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned short >"
 131 # make short a minus
 132 test_expr "set variable v_unsigned_short=~0" "print v_unsigned_short == 0" "\\$\[0-9\]* = $false"  "print sizeof (v_unsigned_short) < sizeof (~0) && v_unsigned_short == ~0" "\\$\[0-9\]* = $false"  "print v_unsigned_short == (unsigned short)~0" "\\$\[0-9\]* = $true"  "print unsigned short == (~0)"
 133 test_expr "set variable v_unsigned_short=~0" "print v_unsigned_short != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_short != (unsigned short)~0" "\\$\[0-9\]* = $false"  "print unsigned short != (~0)"
 134 test_expr "set variable v_unsigned_short=~0" "print v_unsigned_short < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_short < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned short < (~0)"
 135 test_expr "set variable v_unsigned_short=~0" "print v_unsigned_short > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_short > 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned short > (~0)"
 136 #
 137 # test expressions with "int" types
 138 #
 139 test_expr "set variable v_int=0x7FFF" "print v_int == 0" "\\$\[0-9\]* = $false"  "print v_int == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed int =="
 140 test_expr "set variable v_int=0x7FFF" "print v_int != 0" "\\$\[0-9\]* = $true"  "print v_int != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed int !="
 141 test_expr "set variable v_int=0x7FFF" "print v_int < 0" "\\$\[0-9\]* = $false"  "print v_int < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed int <"
 142 test_expr "set variable v_int=0x7FFF" "print v_int > 0" "\\$\[0-9\]* = $true"  "print v_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed int >"
 143 # make int a minus
 144 test_expr "set variable v_int=-1" "print v_int == 0" "\\$\[0-9\]* = $false"  "print v_int == -1" "\\$\[0-9\]* = $true"  "print signed int == (minus)"
 145 test_expr "set variable v_int=-1" "print v_int != 0" "\\$\[0-9\]* = $true"  "print v_int != -1" "\\$\[0-9\]* = $false"  "print signed int != (minus)"
 146 test_expr "set variable v_int=-1" "print v_int < 0" "\\$\[0-9\]* = $true"  "print v_int < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed int < (minus)"
 147 test_expr "set variable v_int=-1" "print v_int > 0" "\\$\[0-9\]* = $false"  "print v_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed int > (minus)"
 148 #
 149 # test expressions with "signed int" types
 150 #
 151 test_expr "set variable v_signed_int=0x7FFF" "print v_signed_int == 0" "\\$\[0-9\]* = $false"  "print v_signed_int == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed int =="
 152 test_expr "set variable v_signed_int=0x7FFF" "print v_signed_int != 0" "\\$\[0-9\]* = $true"  "print v_signed_int != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed int !="
 153 test_expr "set variable v_signed_int=0x7FFF" "print v_signed_int < 0" "\\$\[0-9\]* = $false"  "print v_signed_int < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed int <"
 154 test_expr "set variable v_signed_int=0x7FFF" "print v_signed_int > 0" "\\$\[0-9\]* = $true"  "print v_signed_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed int >"
 155 # make int a minus
 156 test_expr "set variable v_signed_int=-1" "print v_signed_int == 0" "\\$\[0-9\]* = $false"  "print v_signed_int == -1" "\\$\[0-9\]* = $true"  "print signed signed int == (minus)"
 157 test_expr "set variable v_signed_int=-1" "print v_signed_int != 0" "\\$\[0-9\]* = $true"  "print v_signed_int != -1" "\\$\[0-9\]* = $false"  "print signed signed int != (minus)"
 158 test_expr "set variable v_signed_int=-1" "print v_signed_int < 0" "\\$\[0-9\]* = $true"  "print v_signed_int < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed int < (minus)"
 159 test_expr "set variable v_signed_int=-1" "print v_signed_int > 0" "\\$\[0-9\]* = $false"  "print v_signed_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed int > (minus)"
 160 #
 161 # test expressions with "unsigned int" types
 162 #
 163 test_expr "set variable v_unsigned_int=0x7FFF" "print v_unsigned_int == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_int == 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned int =="
 164 test_expr "set variable v_unsigned_int=0x7FFF" "print v_unsigned_int != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_int != 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned int !="
 165 test_expr "set variable v_unsigned_int=0x7FFF" "print v_unsigned_int < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_int < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned int <"
 166 test_expr "set variable v_unsigned_int=0x7FFF" "print v_unsigned_int > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned int >"
 167 # make int a minus
 168 test_expr "set variable v_unsigned_int=~0" "print v_unsigned_int == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_int == ~0" "\\$\[0-9\]* = $true"  "print v_unsigned_int == (unsigned int)~0" "\\$\[0-9\]* = $true"  "print unsigned int == (~0)"
 169 test_expr "set variable v_unsigned_int=~0" "print v_unsigned_int != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_int != (unsigned int)~0" "\\$\[0-9\]* = $false"  "print unsigned int != (~0)"
 170 test_expr "set variable v_unsigned_int=~0" "print v_unsigned_int < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_int < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned int < (~0)"
 171 test_expr "set variable v_unsigned_int=~0" "print v_unsigned_int > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_int > 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned int > (~0)"
 172 #
 173 # test expressions with "long" types
 174 #
 175 test_expr "set variable v_long=0x7FFF" "print v_long == 0" "\\$\[0-9\]* = $false"  "print v_long == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed long =="
 176 test_expr "set variable v_long=0x7FFF" "print v_long != 0" "\\$\[0-9\]* = $true"  "print v_long != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed long !="
 177 test_expr "set variable v_long=0x7FFF" "print v_long < 0" "\\$\[0-9\]* = $false"  "print v_long < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed long <"
 178 test_expr "set variable v_long=0x7FFF" "print v_long > 0" "\\$\[0-9\]* = $true"  "print v_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed long >"
 179 # make long a minus
 180 test_expr "set variable v_long=-1" "print v_long == 0" "\\$\[0-9\]* = $false"  "print v_long == -1" "\\$\[0-9\]* = $true"  "print signed long == (minus)"
 181 test_expr "set variable v_long=-1" "print v_long != 0" "\\$\[0-9\]* = $true"  "print v_long != -1" "\\$\[0-9\]* = $false"  "print signed long != (minus)"
 182 test_expr "set variable v_long=-1" "print v_long < 0" "\\$\[0-9\]* = $true"  "print v_long < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed long < (minus)"
 183 test_expr "set variable v_long=-1" "print v_long > 0" "\\$\[0-9\]* = $false"  "print v_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed long > (minus)"
 184 #
 185 # test expressions with "signed long" types
 186 #
 187 test_expr "set variable v_signed_long=0x7FFF" "print v_signed_long == 0" "\\$\[0-9\]* = $false"  "print v_signed_long == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed long =="
 188 test_expr "set variable v_signed_long=0x7FFF" "print v_signed_long != 0" "\\$\[0-9\]* = $true"  "print v_signed_long != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed long !="
 189 test_expr "set variable v_signed_long=0x7FFF" "print v_signed_long < 0" "\\$\[0-9\]* = $false"  "print v_signed_long < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed long <"
 190 test_expr "set variable v_signed_long=0x7FFF" "print v_signed_long > 0" "\\$\[0-9\]* = $true"  "print v_signed_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed long >"
 191 # make long a minus
 192 test_expr "set variable v_signed_long=-1" "print v_signed_long == 0" "\\$\[0-9\]* = $false"  "print v_signed_long == -1" "\\$\[0-9\]* = $true"  "print signed signed long == (minus)"
 193 test_expr "set variable v_signed_long=-1" "print v_signed_long != 0" "\\$\[0-9\]* = $true"  "print v_signed_long != -1" "\\$\[0-9\]* = $false"  "print signed signed long != (minus)"
 194 test_expr "set variable v_signed_long=-1" "print v_signed_long < 0" "\\$\[0-9\]* = $true"  "print v_signed_long < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed long < (minus)"
 195 test_expr "set variable v_signed_long=-1" "print v_signed_long > 0" "\\$\[0-9\]* = $false"  "print v_signed_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed long > (minus)"
 196 #
 197 # test expressions with "unsigned long" types
 198 #
 199 test_expr "set variable v_unsigned_long=0x7FFF" "print v_unsigned_long == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_long == 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned long =="
 200 test_expr "set variable v_unsigned_long=0x7FFF" "print v_unsigned_long != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_long != 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned long !="
 201 test_expr "set variable v_unsigned_long=0x7FFF" "print v_unsigned_long < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_long < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned long <"
 202 test_expr "set variable v_unsigned_long=0x7FFF" "print v_unsigned_long > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned long >"
 203 # make long a minus
 204 test_expr "set variable v_unsigned_long=~0" "print v_unsigned_long == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_long == ~0" "\\$\[0-9\]* = $true"  "print v_unsigned_long == (unsigned long)~0" "\\$\[0-9\]* = $true"  "print unsigned long == (~0)"
 205 test_expr "set variable v_unsigned_long=~0" "print v_unsigned_long != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_long != (unsigned long)~0" "\\$\[0-9\]* = $false"  "print unsigned long != (~0)"
 206 test_expr "set variable v_unsigned_long=~0" "print v_unsigned_long < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_long < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned long < (~0)"
 207 test_expr "set variable v_unsigned_long=~0" "print v_unsigned_long > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_long > 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned long > (~0)"
 208 #
 209 # Test expressions with casts to a pointer.
 210 # NB: Some architectures convert a ``NULL'' pointer into
 211 #     something else. Don't simply test for 0.
 212 #
 213 test_expr "set variable v_signed_char = 0" "print (void*)v_signed_char" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_char"
 214 test_expr "set variable v_signed_short = 0" "print (void*)v_signed_short" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_short"
 215 test_expr "set variable v_signed_int = 0" "print (void*)v_signed_int" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_int"
 216 test_expr "set variable v_signed_long = 0" "print (void*)v_signed_long" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_long"
 217 test_expr "set variable v_unsigned_char = 0" "print (void*)v_unsigned_char" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_unsigned_char"
 218 test_expr "set variable v_unsigned_short = 0" "print (void*)v_unsigned_short" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_unsigned_short"
 219 test_expr "set variable v_unsigned_int = 0" "print (void*)v_unsigned_int" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_unsigned_int"
 220 test_expr "set variable v_unsigned_long = 0" "print (void*)v_unsigned_long" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_unsigned_long"
 221 #
 222 # Test expressions with pointers out of range
 223 #
 224 # NB: For some architectures, all of sizeof(long),
 225 #     sizeof(long long) and sizeof(void*) are
 226 #     the same size so this test can not work.
 227 #
 228 gdb_test_multiple "print sizeof (long long) > sizeof (long)" \
 229     "sizeof long long > sizeof long" {
 230     -re "\\$\[0-9\]* = $true.*$gdb_prompt" {
 231         set ok 1
 232         pass "sizeof (long long) > sizeof (long) (true)"
 233     }
 234     -re "\\$\[0-9\]* = $false.*$gdb_prompt" {
 235         set ok 0
 236         pass "sizeof (long long) > sizeof (long) (false)"
 237     }
 238 }
 239 if [expr ! $ok] { setup_xfail "*-*-*" }
 240 gdb_test "print (void*) ((long long) (unsigned long) -1 + 1)" \
 241         "warning: value truncated.*" "truncate (void*) 0x00000000ffffffff + 1"
 242 if [expr ! $ok] { setup_xfail "*-*-*" }
 243 gdb_test "print (void*) (~((long long)(unsigned long) -1) - 1)" \
 244         "warning: value truncated.*" "truncate (void*) 0xffffffff00000000 - 1"
 245
 246 # String concatentation.
 247 test_expr "print \"x\" \"y\"" "\\$\[0-9\]* = \"xy\""
 248 test_expr "print \"x\" \"y\" \"z\"" "\\$\[0-9\]* = \"xyz\""
 249
 250 # Enum formatting tests.
 251 test_expr "print red" "\\$\[0-9\]* = red"
 252 gdb_test "set output-radix 8" ".*"
 253 test_expr "print red" "\\$\[0-9\]* = red"
 254 test_expr "print/d red" "\\$\[0-9\]* = 0"
 255 gdb_test "set output-radix 10" ".*"
 256
 257 # Pre-/post in-/decrement tests.
 258 gdb_test "set variable v_int = 1" ""
 259 gdb_test "print v_int++" "\\$\[0-9\]* = 1"
 260 gdb_test "print ++v_int" "\\$\[0-9\]* = 3"
 261 gdb_test "print v_int--" "\\$\[0-9\]* = 3"
 262 gdb_test "print --v_int" "\\$\[0-9\]* = 1"
 263 gdb_test "print v_int++ = 5" "Left operand of assignment is not an lvalue."
 264 gdb_test "print v_int-- = 5" "Left operand of assignment is not an lvalue."