gdb/testsuite/gdb.cp/misc.exp

   1 # Copyright 1992, 1994, 1995, 1996, 1997, 1999, 2002, 2007
   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 2 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, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # This file was written by Fred Fish. (fnf@cygnus.com)
  19
  20 if $tracelevel then {
  21         strace $tracelevel
  22 }
  23
  24 if { [skip_cplus_tests] } { continue }
  25
  26 set testfile "misc"
  27 set srcfile ${testfile}.cc
  28 set binfile ${objdir}/${subdir}/${testfile}
  29 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  30      untested misc.exp
  31      return -1
  32 }
  33
  34 #
  35 # Deduce language of main()
  36 #
  37
  38 proc deduce_language_of_main {} {
  39     global gdb_prompt
  40
  41     # See what language gdb thinks main() is, prior to reading full symbols.
  42     # I think this fails for COFF targets.
  43     send_gdb "show language\n"
  44     gdb_expect {
  45         -re ".* source language is \"auto; currently c\[+\]+\".*$gdb_prompt $" {
  46             pass "deduced language is C++, before full symbols"
  47         }
  48         -re ".*$gdb_prompt $" {
  49             fail "source language not correct for C++ (psymtabs only)"
  50             return
  51         }
  52         timeout {
  53             fail "can't show language (timeout)"
  54             return
  55         }
  56     }
  57
  58     runto_main
  59
  60     # See if our idea of the language has changed.
  61
  62     send_gdb "show language\n"
  63     gdb_expect {
  64         -re ".* source language is \"auto; currently c\[+\]+\".*$gdb_prompt $" {
  65             pass "deduced language is C++, after full symbols"
  66         }
  67         -re ".*$gdb_prompt $" {
  68             fail "source language not correct for C++ (full symbols)"
  69             return
  70         }
  71         timeout {
  72             fail "can't show language (timeout)"
  73             return
  74         }
  75     }
  76 }
  77
  78 proc test_expr { args } {
  79     if { [llength $args] % 2 } {
  80         warning "an even # of arguments should be passed to test_expr"
  81     }
  82     set last_ent [expr [llength $args] - 1];
  83     set testname [lindex $args $last_ent];
  84     if [gdb_test [lindex $args 0] "" "$testname (setup)"] {
  85         gdb_suppress_tests;
  86     }
  87     for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
  88         if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
  89             gdb_suppress_tests;
  90         }
  91     }
  92     gdb_stop_suppressing_tests;
  93 }
  94
  95 proc do_tests {} {
  96     global prms_id
  97     global bug_id
  98     global subdir
  99     global objdir
 100     global srcdir
 101     global binfile
 102     global gdb_prompt
 103
 104     set prms_id 0
 105     set bug_id 0
 106
 107     # Start with a fresh gdb.
 108
 109     gdb_exit
 110     gdb_start
 111     gdb_reinitialize_dir $srcdir/$subdir
 112     gdb_load $binfile
 113
 114     deduce_language_of_main
 115     # Check for fixes for PRs 8916 and 8630
 116     gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
 117 }
 118
 119 do_tests
 120
 121 test_expr "set language c++" \
 122     "print 1 == 1" "print.*\\$\[0-9\]* = true" \
 123     "print 1 == 2" "print.*\\$\[0-9\]* = false" \
 124     "print as bool"
 125
 126 # Test bool type printing, etc.
 127 # Note: Language is already set to C++ above!
 128 gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
 129
 130 # set a bool variable
 131 test_expr "set variable v_bool = true" \
 132     "print v_bool" "\\$\[0-9\]* = true" \
 133     "set a bool var"
 134
 135 # next print an array of bool
 136 gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
 137
 138 # set elements of a bool array
 139 test_expr "set variable v_bool_array\[1\] = true" \
 140     "print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
 141     "set a bool array elem"
 142
 143 # bool constants
 144 gdb_test "print true" "\\$\[0-9\]* = true" "print true"
 145 gdb_test "print false" "\\$\[0-9\]* = false" "print false"
 146
 147 # arithmetic conversions
 148 gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
 149 gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
 150 gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
 151 gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
 152 gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
 153 gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
 154 gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
 155 gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
 156 gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
 157 gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"