gdb/testsuite/gdb.base/exprs.exp

   1 #   Copyright 1988-2013 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Rob Savoye. (rob@cygnus.com)
  17
  18 #
  19 # test running programs
  20 #
  21
  22 set testfile "exprs"
  23 set srcfile ${testfile}.c
  24 set binfile ${objdir}/${subdir}/${testfile}
  25 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  26      untested exprs.exp
  27      return -1
  28 }
  29
  30 if [get_compiler_info] {
  31     return -1
  32 }
  33
  34 gdb_exit
  35 gdb_start
  36 gdb_reinitialize_dir $srcdir/$subdir
  37 gdb_load ${binfile}
  38
  39 #
  40 # set it up at a breakpoint so we can play with the variable values
  41 #
  42
  43 if ![runto_main] then {
  44     perror "couldn't run to breakpoint"
  45     continue
  46 }
  47
  48 proc test_expr { args } {
  49     if { [llength $args] % 2 } {
  50         warning "an even # of arguments should be passed to test_expr"
  51     }
  52     set last_ent [expr [llength $args] - 1];
  53     set testname [lindex $args $last_ent];
  54     if [gdb_test [lindex $args 0] ".*" "$testname (setup)"] {
  55         gdb_suppress_tests;
  56     }
  57     for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
  58         if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
  59             gdb_suppress_tests;
  60         }
  61     }
  62     gdb_stop_suppressing_tests;
  63 }
  64 #
  65 # test expressions with "char" types
  66 #
  67 test_expr "set variable v_char=127" "print v_char == 0" "\\$\[0-9\]* = $false"  "print v_char == 127" "\\$\[0-9\]* = $true"  "print char =="
  68 test_expr "set variable v_char=127" "print v_char != 0" "\\$\[0-9\]* = $true"  "print v_char != 127" "\\$\[0-9\]* = $false"  "print char !="
  69 test_expr "set variable v_char=127" "print v_char < 0" "\\$\[0-9\]* = $false"  "print v_char < 127" "\\$\[0-9\]* = $false"  "print char <"
  70 test_expr "set variable v_char=127" "print v_char > 0" "\\$\[0-9\]* = $true"  "print v_char > 127" "\\$\[0-9\]* = $false"  "print char >"
  71 #
  72 # test expressions with "signed char" types
  73 #
  74 test_expr "set variable v_signed_char=127" "print v_signed_char == 0" "\\$\[0-9\]* = $false"  "print v_signed_char == 127" "\\$\[0-9\]* = $true"  "print signed char =="
  75 test_expr "set variable v_signed_char=127" "print v_signed_char != 0" "\\$\[0-9\]* = $true"  "print v_signed_char != 127" "\\$\[0-9\]* = $false"  "print signed char !="
  76 test_expr "set variable v_signed_char=127" "print v_signed_char < 0" "\\$\[0-9\]* = $false"  "print v_signed_char < 127" "\\$\[0-9\]* = $false"  "print signed char <"
  77 test_expr "set variable v_signed_char=127" "print v_signed_char > 0" "\\$\[0-9\]* = $true"  "print v_signed_char > 127" "\\$\[0-9\]* = $false"  "print signed char >"
  78 # make char a minus
  79 test_expr "set variable v_signed_char=-1" "print v_signed_char == 0" "\\$\[0-9\]* = $false"  "print v_signed_char == -1" "\\$\[0-9\]* = $true"  "print signed char == (minus)"
  80 test_expr "set variable v_signed_char=-1" "print v_signed_char != 0" "\\$\[0-9\]* = $true"  "print v_signed_char != -1" "\\$\[0-9\]* = $false"  "print signed char != (minus)"
  81 test_expr "set variable v_signed_char=-1" "print v_signed_char < 0" "\\$\[0-9\]* = $true"  "print v_signed_char < 127" "\\$\[0-9\]* = $true"  "print signed char < (minus)"
  82 test_expr "set variable v_signed_char=-1" "print v_signed_char > 0" "\\$\[0-9\]* = $false"  "print v_signed_char > 127" "\\$\[0-9\]* = $false"  "print signed char > (minus)"
  83 #
  84 # test expressions with "unsigned char" types
  85 #
  86 test_expr "set variable v_unsigned_char=127" "print v_unsigned_char == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_char == 127" "\\$\[0-9\]* = $true"  "print unsigned char =="
  87 test_expr "set variable v_unsigned_char=127" "print v_unsigned_char != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_char != 127" "\\$\[0-9\]* = $false"  "print unsigned char !="
  88 test_expr "set variable v_unsigned_char=127" "print v_unsigned_char < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_char < 127" "\\$\[0-9\]* = $false"  "print unsigned char <"
  89 test_expr "set variable v_unsigned_char=127" "print v_unsigned_char > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_char > 127" "\\$\[0-9\]* = $false"  "print unsigned char >"
  90 # make char a minus
  91 test_expr "set variable v_unsigned_char=~0" "print v_unsigned_char == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_char == ~0" "\\$\[0-9\]* = $false"  "print v_unsigned_char == (unsigned char)~0" "\\$\[0-9\]* = $true" "print unsigned char == (~0)"
  92 test_expr "set variable v_unsigned_char=~0" "print v_unsigned_char != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_char != (unsigned char)~0" "\\$\[0-9\]* = $false"  "print v_unsigned_char != ~0" "\\$\[0-9\]* = $true" "print unsigned char != (~0)"
  93 test_expr "set variable v_unsigned_char=~0" "print v_unsigned_char < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_char < 127" "\\$\[0-9\]* = $false"  "print unsigned char < (~0)"
  94 test_expr "set variable v_unsigned_char=~0" "print v_unsigned_char > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_char > 127" "\\$\[0-9\]* = $true"  "print unsigned char > (~0)"
  95 #
  96 # test expressions with "short" types
  97 #
  98 test_expr "set variable v_short=0x7FFF" "print v_short == 0" "\\$\[0-9\]* = $false"  "print v_short == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed short =="
  99 test_expr "set variable v_short=0x7FFF" "print v_short != 0" "\\$\[0-9\]* = $true"  "print v_short != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed short !="
 100 test_expr "set variable v_short=0x7FFF" "print v_short < 0" "\\$\[0-9\]* = $false"  "print v_short < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed short <"
 101 test_expr "set variable v_short=0x7FFF" "print v_short > 0" "\\$\[0-9\]* = $true"  "print v_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed short >"
 102 # make short a minus
 103 test_expr "set variable v_short=-1" "print v_short == 0" "\\$\[0-9\]* = $false"  "print v_short == -1" "\\$\[0-9\]* = $true"  "print signed short == (minus)"
 104 test_expr "set variable v_short=-1" "print v_short != 0" "\\$\[0-9\]* = $true"  "print v_short != -1" "\\$\[0-9\]* = $false"  "print signed short != (minus)"
 105 test_expr "set variable v_short=-1" "print v_short < 0" "\\$\[0-9\]* = $true"  "print v_short < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed short < (minus)"
 106 test_expr "set variable v_short=-1" "print v_short > 0" "\\$\[0-9\]* = $false"  "print v_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed short > (minus)"
 107 #
 108 # test expressions with "signed short" types
 109 #
 110 test_expr "set variable v_signed_short=0x7FFF" "print v_signed_short == 0" "\\$\[0-9\]* = $false"  "print v_signed_short == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed short =="
 111 test_expr "set variable v_signed_short=0x7FFF" "print v_signed_short != 0" "\\$\[0-9\]* = $true"  "print v_signed_short != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed short !="
 112 test_expr "set variable v_signed_short=0x7FFF" "print v_signed_short < 0" "\\$\[0-9\]* = $false"  "print v_signed_short < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed short <"
 113 test_expr "set variable v_signed_short=0x7FFF" "print v_signed_short > 0" "\\$\[0-9\]* = $true"  "print v_signed_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed short >"
 114 # make short a minus
 115 test_expr "set variable v_signed_short=-1" "print v_signed_short == 0" "\\$\[0-9\]* = $false"  "print v_signed_short == -1" "\\$\[0-9\]* = $true"  "print signed signed short == (minus)"
 116 test_expr "set variable v_signed_short=-1" "print v_signed_short != 0" "\\$\[0-9\]* = $true"  "print v_signed_short != -1" "\\$\[0-9\]* = $false"  "print signed signed short != (minus)"
 117 test_expr "set variable v_signed_short=-1" "print v_signed_short < 0" "\\$\[0-9\]* = $true"  "print v_signed_short < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed short < (minus)"
 118 test_expr "set variable v_signed_short=-1" "print v_signed_short > 0" "\\$\[0-9\]* = $false"  "print v_signed_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed short > (minus)"
 119 #
 120 # test expressions with "unsigned short" types
 121 #
 122 test_expr "set variable v_unsigned_short=0x7FFF" "print v_unsigned_short == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_short == 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned short =="
 123 test_expr "set variable v_unsigned_short=0x7FFF" "print v_unsigned_short != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_short != 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned short !="
 124 test_expr "set variable v_unsigned_short=0x7FFF" "print v_unsigned_short < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_short < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned short <"
 125 test_expr "set variable v_unsigned_short=0x7FFF" "print v_unsigned_short > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_short > 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned short >"
 126 # make short a minus
 127 test_expr "set variable v_unsigned_short=~0" "print v_unsigned_short == 0" "\\$\[0-9\]* = $false"  "print sizeof (v_unsigned_short) < sizeof (~0) && v_unsigned_short == ~0" "\\$\[0-9\]* = $false"  "print v_unsigned_short == (unsigned short)~0" "\\$\[0-9\]* = $true"  "print unsigned short == (~0)"
 128 test_expr "set variable v_unsigned_short=~0" "print v_unsigned_short != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_short != (unsigned short)~0" "\\$\[0-9\]* = $false"  "print unsigned short != (~0)"
 129 test_expr "set variable v_unsigned_short=~0" "print v_unsigned_short < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_short < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned short < (~0)"
 130 test_expr "set variable v_unsigned_short=~0" "print v_unsigned_short > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_short > 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned short > (~0)"
 131 #
 132 # test expressions with "int" types
 133 #
 134 test_expr "set variable v_int=0x7FFF" "print v_int == 0" "\\$\[0-9\]* = $false"  "print v_int == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed int =="
 135 test_expr "set variable v_int=0x7FFF" "print v_int != 0" "\\$\[0-9\]* = $true"  "print v_int != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed int !="
 136 test_expr "set variable v_int=0x7FFF" "print v_int < 0" "\\$\[0-9\]* = $false"  "print v_int < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed int <"
 137 test_expr "set variable v_int=0x7FFF" "print v_int > 0" "\\$\[0-9\]* = $true"  "print v_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed int >"
 138 # make int a minus
 139 test_expr "set variable v_int=-1" "print v_int == 0" "\\$\[0-9\]* = $false"  "print v_int == -1" "\\$\[0-9\]* = $true"  "print signed int == (minus)"
 140 test_expr "set variable v_int=-1" "print v_int != 0" "\\$\[0-9\]* = $true"  "print v_int != -1" "\\$\[0-9\]* = $false"  "print signed int != (minus)"
 141 test_expr "set variable v_int=-1" "print v_int < 0" "\\$\[0-9\]* = $true"  "print v_int < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed int < (minus)"
 142 test_expr "set variable v_int=-1" "print v_int > 0" "\\$\[0-9\]* = $false"  "print v_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed int > (minus)"
 143 #
 144 # test expressions with "signed int" types
 145 #
 146 test_expr "set variable v_signed_int=0x7FFF" "print v_signed_int == 0" "\\$\[0-9\]* = $false"  "print v_signed_int == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed int =="
 147 test_expr "set variable v_signed_int=0x7FFF" "print v_signed_int != 0" "\\$\[0-9\]* = $true"  "print v_signed_int != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed int !="
 148 test_expr "set variable v_signed_int=0x7FFF" "print v_signed_int < 0" "\\$\[0-9\]* = $false"  "print v_signed_int < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed int <"
 149 test_expr "set variable v_signed_int=0x7FFF" "print v_signed_int > 0" "\\$\[0-9\]* = $true"  "print v_signed_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed int >"
 150 # make int a minus
 151 test_expr "set variable v_signed_int=-1" "print v_signed_int == 0" "\\$\[0-9\]* = $false"  "print v_signed_int == -1" "\\$\[0-9\]* = $true"  "print signed signed int == (minus)"
 152 test_expr "set variable v_signed_int=-1" "print v_signed_int != 0" "\\$\[0-9\]* = $true"  "print v_signed_int != -1" "\\$\[0-9\]* = $false"  "print signed signed int != (minus)"
 153 test_expr "set variable v_signed_int=-1" "print v_signed_int < 0" "\\$\[0-9\]* = $true"  "print v_signed_int < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed int < (minus)"
 154 test_expr "set variable v_signed_int=-1" "print v_signed_int > 0" "\\$\[0-9\]* = $false"  "print v_signed_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed int > (minus)"
 155 #
 156 # test expressions with "unsigned int" types
 157 #
 158 test_expr "set variable v_unsigned_int=0x7FFF" "print v_unsigned_int == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_int == 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned int =="
 159 test_expr "set variable v_unsigned_int=0x7FFF" "print v_unsigned_int != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_int != 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned int !="
 160 test_expr "set variable v_unsigned_int=0x7FFF" "print v_unsigned_int < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_int < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned int <"
 161 test_expr "set variable v_unsigned_int=0x7FFF" "print v_unsigned_int > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_int > 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned int >"
 162 # make int a minus
 163 test_expr "set variable v_unsigned_int=~0" "print v_unsigned_int == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_int == ~0" "\\$\[0-9\]* = $true"  "print v_unsigned_int == (unsigned int)~0" "\\$\[0-9\]* = $true"  "print unsigned int == (~0)"
 164 test_expr "set variable v_unsigned_int=~0" "print v_unsigned_int != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_int != (unsigned int)~0" "\\$\[0-9\]* = $false"  "print unsigned int != (~0)"
 165 test_expr "set variable v_unsigned_int=~0" "print v_unsigned_int < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_int < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned int < (~0)"
 166 test_expr "set variable v_unsigned_int=~0" "print v_unsigned_int > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_int > 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned int > (~0)"
 167 #
 168 # test expressions with "long" types
 169 #
 170 test_expr "set variable v_long=0x7FFF" "print v_long == 0" "\\$\[0-9\]* = $false"  "print v_long == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed long =="
 171 test_expr "set variable v_long=0x7FFF" "print v_long != 0" "\\$\[0-9\]* = $true"  "print v_long != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed long !="
 172 test_expr "set variable v_long=0x7FFF" "print v_long < 0" "\\$\[0-9\]* = $false"  "print v_long < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed long <"
 173 test_expr "set variable v_long=0x7FFF" "print v_long > 0" "\\$\[0-9\]* = $true"  "print v_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed long >"
 174 # make long a minus
 175 test_expr "set variable v_long=-1" "print v_long == 0" "\\$\[0-9\]* = $false"  "print v_long == -1" "\\$\[0-9\]* = $true"  "print signed long == (minus)"
 176 test_expr "set variable v_long=-1" "print v_long != 0" "\\$\[0-9\]* = $true"  "print v_long != -1" "\\$\[0-9\]* = $false"  "print signed long != (minus)"
 177 test_expr "set variable v_long=-1" "print v_long < 0" "\\$\[0-9\]* = $true"  "print v_long < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed long < (minus)"
 178 test_expr "set variable v_long=-1" "print v_long > 0" "\\$\[0-9\]* = $false"  "print v_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed long > (minus)"
 179 #
 180 # test expressions with "signed long" types
 181 #
 182 test_expr "set variable v_signed_long=0x7FFF" "print v_signed_long == 0" "\\$\[0-9\]* = $false"  "print v_signed_long == 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed long =="
 183 test_expr "set variable v_signed_long=0x7FFF" "print v_signed_long != 0" "\\$\[0-9\]* = $true"  "print v_signed_long != 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed long !="
 184 test_expr "set variable v_signed_long=0x7FFF" "print v_signed_long < 0" "\\$\[0-9\]* = $false"  "print v_signed_long < 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed long <"
 185 test_expr "set variable v_signed_long=0x7FFF" "print v_signed_long > 0" "\\$\[0-9\]* = $true"  "print v_signed_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed long >"
 186 # make long a minus
 187 test_expr "set variable v_signed_long=-1" "print v_signed_long == 0" "\\$\[0-9\]* = $false"  "print v_signed_long == -1" "\\$\[0-9\]* = $true"  "print signed signed long == (minus)"
 188 test_expr "set variable v_signed_long=-1" "print v_signed_long != 0" "\\$\[0-9\]* = $true"  "print v_signed_long != -1" "\\$\[0-9\]* = $false"  "print signed signed long != (minus)"
 189 test_expr "set variable v_signed_long=-1" "print v_signed_long < 0" "\\$\[0-9\]* = $true"  "print v_signed_long < 0x7FFF" "\\$\[0-9\]* = $true"  "print signed signed long < (minus)"
 190 test_expr "set variable v_signed_long=-1" "print v_signed_long > 0" "\\$\[0-9\]* = $false"  "print v_signed_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print signed signed long > (minus)"
 191 #
 192 # test expressions with "unsigned long" types
 193 #
 194 test_expr "set variable v_unsigned_long=0x7FFF" "print v_unsigned_long == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_long == 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned long =="
 195 test_expr "set variable v_unsigned_long=0x7FFF" "print v_unsigned_long != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_long != 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned long !="
 196 test_expr "set variable v_unsigned_long=0x7FFF" "print v_unsigned_long < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_long < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned long <"
 197 test_expr "set variable v_unsigned_long=0x7FFF" "print v_unsigned_long > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_long > 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned long >"
 198 # make long a minus
 199 test_expr "set variable v_unsigned_long=~0" "print v_unsigned_long == 0" "\\$\[0-9\]* = $false"  "print v_unsigned_long == ~0" "\\$\[0-9\]* = $true"  "print v_unsigned_long == (unsigned long)~0" "\\$\[0-9\]* = $true"  "print unsigned long == (~0)"
 200 test_expr "set variable v_unsigned_long=~0" "print v_unsigned_long != 0" "\\$\[0-9\]* = $true"  "print v_unsigned_long != (unsigned long)~0" "\\$\[0-9\]* = $false"  "print unsigned long != (~0)"
 201 test_expr "set variable v_unsigned_long=~0" "print v_unsigned_long < 0" "\\$\[0-9\]* = $false"  "print v_unsigned_long < 0x7FFF" "\\$\[0-9\]* = $false"  "print unsigned long < (~0)"
 202 test_expr "set variable v_unsigned_long=~0" "print v_unsigned_long > 0" "\\$\[0-9\]* = $true"  "print v_unsigned_long > 0x7FFF" "\\$\[0-9\]* = $true"  "print unsigned long > (~0)"
 203 #
 204 # Test expressions with casts to a pointer.
 205 # NB: Some architectures convert a ``NULL'' pointer into
 206 #     something else. Don't simply test for 0.
 207 #
 208 test_expr "set variable v_signed_char = 0" "print (void*)v_signed_char" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_char"
 209 test_expr "set variable v_signed_short = 0" "print (void*)v_signed_short" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_short"
 210 test_expr "set variable v_signed_int = 0" "print (void*)v_signed_int" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_int"
 211 test_expr "set variable v_signed_long = 0" "print (void*)v_signed_long" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_signed_long"
 212 test_expr "set variable v_unsigned_char = 0" "print (void*)v_unsigned_char" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_unsigned_char"
 213 test_expr "set variable v_unsigned_short = 0" "print (void*)v_unsigned_short" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_unsigned_short"
 214 test_expr "set variable v_unsigned_int = 0" "print (void*)v_unsigned_int" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_unsigned_int"
 215 test_expr "set variable v_unsigned_long = 0" "print (void*)v_unsigned_long" "\\$\[0-9\]* = .void \\*. $hex" "print (void*)v_unsigned_long"
 216 #
 217 # Test expressions with pointers out of range
 218 #
 219 # NB: For some architectures, all of sizeof(long),
 220 #     sizeof(long long) and sizeof(void*) are
 221 #     the same size so this test can not work.
 222 #
 223 gdb_test_multiple "print sizeof (long long) > sizeof (long)" \
 224     "sizeof long long > sizeof long" {
 225     -re "\\$\[0-9\]* = $true.*$gdb_prompt" {
 226         set ok 1
 227         pass "sizeof (long long) > sizeof (long) (true)"
 228     }
 229     -re "\\$\[0-9\]* = $false.*$gdb_prompt" {
 230         set ok 0
 231         pass "sizeof (long long) > sizeof (long) (false)"
 232     }
 233 }
 234 if [expr ! $ok] { setup_xfail "*-*-*" }
 235 gdb_test "print (void*) ((long long) (unsigned long) -1 + 1)" \
 236         "warning: value truncated.*" "truncate (void*) 0x00000000ffffffff + 1"
 237 if [expr ! $ok] { setup_xfail "*-*-*" }
 238 gdb_test "print (void*) (~((long long)(unsigned long) -1) - 1)" \
 239         "warning: value truncated.*" "truncate (void*) 0xffffffff00000000 - 1"
 240
 241 # String concatentation.
 242 test_expr "print \"x\" \"y\"" "\\$\[0-9\]* = \"xy\""
 243 test_expr "print \"x\" \"y\" \"z\"" "\\$\[0-9\]* = \"xyz\""
 244
 245 # Enum formatting tests.
 246 test_expr "print red" "\\$\[0-9\]* = red"
 247 gdb_test "set output-radix 8" ".*"
 248 test_expr "print red" "\\$\[0-9\]* = red"
 249 test_expr "print/d red" "\\$\[0-9\]* = 0"
 250 gdb_test "set output-radix 10" ".*"
 251
 252 # Pre-/post in-/decrement tests.
 253 gdb_test "set variable v_int = 1" ""
 254 gdb_test "print v_int++" "\\$\[0-9\]* = 1"
 255 gdb_test "print ++v_int" "\\$\[0-9\]* = 3"
 256 gdb_test "print v_int--" "\\$\[0-9\]* = 3"
 257 gdb_test "print --v_int" "\\$\[0-9\]* = 1"
 258 gdb_test "print v_int++ = 5" "Left operand of assignment is not an lvalue."
 259 gdb_test "print v_int-- = 5" "Left operand of assignment is not an lvalue."
 260
 261 # initialized array
 262 gdb_test {print v_int_array_init} { = \{10, 20\}}
 263 gdb_test {print *v_int_array_init@1} { = \{10\}}
 264 gdb_test {print *v_int_array_init@2} { = \{10, 20\}}
 265 gdb_test {print v_int_array_init[0]@1} { = \{10\}}
 266 gdb_test {print v_int_array_init[0]@2} { = \{10, 20\}}
 267 gdb_test {print v_int_array_init[1]@1} { = \{20\}}
 268
 269 # gdb's {} extension
 270 gdb_test_no_output "set variable v_short_array\[0\] = 42"
 271 gdb_test "print {short} v_short_array" "$decimal = 42"
 272
 273 # Regression tests for cast to void.
 274 gdb_test "print (void) v_int_pointer" " = void"
 275 gdb_test "print & (void) v_char" "value not located in memory."
 276
 277 # Regression test for "&&".
 278 gdb_test "print null_t_struct && null_t_struct->v_int_member == 0" \
 279     " = 0"