gdb/testsuite/gdb.cp/misc.exp

   1 # Copyright 1992, 1994, 1995, 1996, 1997, 1999, 2002, 2007, 2008
   2 # 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 Fred Fish. (fnf@cygnus.com)
  18
  19 if $tracelevel then {
  20         strace $tracelevel
  21 }
  22
  23 if { [skip_cplus_tests] } { continue }
  24
  25 set testfile "misc"
  26 set srcfile ${testfile}.cc
  27 set binfile ${objdir}/${subdir}/${testfile}
  28 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  29      untested misc.exp
  30      return -1
  31 }
  32
  33 #
  34 # Deduce language of main()
  35 #
  36
  37 proc deduce_language_of_main {} {
  38     global gdb_prompt
  39
  40     # See what language gdb thinks main() is, prior to reading full symbols.
  41     # I think this fails for COFF targets.
  42     send_gdb "show language\n"
  43     gdb_expect {
  44         -re ".* source language is \"auto; currently c\[+\]+\".*$gdb_prompt $" {
  45             pass "deduced language is C++, before full symbols"
  46         }
  47         -re ".*$gdb_prompt $" {
  48             fail "source language not correct for C++ (psymtabs only)"
  49             return
  50         }
  51         timeout {
  52             fail "can't show language (timeout)"
  53             return
  54         }
  55     }
  56
  57     runto_main
  58
  59     # See if our idea of the language has changed.
  60
  61     send_gdb "show language\n"
  62     gdb_expect {
  63         -re ".* source language is \"auto; currently c\[+\]+\".*$gdb_prompt $" {
  64             pass "deduced language is C++, after full symbols"
  65         }
  66         -re ".*$gdb_prompt $" {
  67             fail "source language not correct for C++ (full symbols)"
  68             return
  69         }
  70         timeout {
  71             fail "can't show language (timeout)"
  72             return
  73         }
  74     }
  75 }
  76
  77 proc test_expr { args } {
  78     if { [llength $args] % 2 } {
  79         warning "an even # of arguments should be passed to test_expr"
  80     }
  81     set last_ent [expr [llength $args] - 1];
  82     set testname [lindex $args $last_ent];
  83     if [gdb_test [lindex $args 0] "" "$testname (setup)"] {
  84         gdb_suppress_tests;
  85     }
  86     for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
  87         if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
  88             gdb_suppress_tests;
  89         }
  90     }
  91     gdb_stop_suppressing_tests;
  92 }
  93
  94 proc do_tests {} {
  95     global prms_id
  96     global bug_id
  97     global subdir
  98     global objdir
  99     global srcdir
 100     global binfile
 101     global gdb_prompt
 102
 103     set prms_id 0
 104     set bug_id 0
 105
 106     # Start with a fresh gdb.
 107
 108     gdb_exit
 109     gdb_start
 110     gdb_reinitialize_dir $srcdir/$subdir
 111     gdb_load $binfile
 112
 113     deduce_language_of_main
 114     # Check for fixes for PRs 8916 and 8630
 115     gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
 116 }
 117
 118 do_tests
 119
 120 test_expr "set language c++" \
 121     "print 1 == 1" "print.*\\$\[0-9\]* = true" \
 122     "print 1 == 2" "print.*\\$\[0-9\]* = false" \
 123     "print as bool"
 124
 125 # Test bool type printing, etc.
 126 # Note: Language is already set to C++ above!
 127 gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
 128
 129 # set a bool variable
 130 test_expr "set variable v_bool = true" \
 131     "print v_bool" "\\$\[0-9\]* = true" \
 132     "set a bool var"
 133
 134 # next print an array of bool
 135 gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
 136
 137 # set elements of a bool array
 138 test_expr "set variable v_bool_array\[1\] = true" \
 139     "print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
 140     "set a bool array elem"
 141
 142 # bool constants
 143 gdb_test "print true" "\\$\[0-9\]* = true" "print true"
 144 gdb_test "print false" "\\$\[0-9\]* = false" "print false"
 145
 146 # arithmetic conversions
 147 gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
 148 gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
 149 gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
 150 gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
 151 gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
 152 gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
 153 gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
 154 gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
 155 gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
 156 gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"