gdb/testsuite/gdb.cp/misc.exp

   1 # Copyright 1992, 1994, 1995, 1996, 1997, 1999, 2002, 2007, 2008, 2009, 2010
   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     gdb_test "show language" \
  43         "source language is \"auto; currently c\[+\]+\".*" \
  44         "deduced language is C++, before full symbols"
  45
  46     runto_main
  47
  48     # See if our idea of the language has changed.
  49
  50     gdb_test "show language" \
  51         "source language is \"auto; currently c\[+\]+\".*" \
  52         "deduced language is C++, after full symbols"
  53 }
  54
  55 proc test_expr { args } {
  56     if { [llength $args] % 2 } {
  57         warning "an even # of arguments should be passed to test_expr"
  58     }
  59     set last_ent [expr [llength $args] - 1];
  60     set testname [lindex $args $last_ent];
  61     if [gdb_test [lindex $args 0] "" "$testname (setup)"] {
  62         gdb_suppress_tests;
  63     }
  64     for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
  65         if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
  66             gdb_suppress_tests;
  67         }
  68     }
  69     gdb_stop_suppressing_tests;
  70 }
  71
  72 proc do_tests {} {
  73     global subdir
  74     global objdir
  75     global srcdir
  76     global binfile
  77     global gdb_prompt
  78
  79
  80     # Start with a fresh gdb.
  81
  82     gdb_exit
  83     gdb_start
  84     gdb_reinitialize_dir $srcdir/$subdir
  85     gdb_load $binfile
  86
  87     deduce_language_of_main
  88     # Check for fixes for PRs 8916 and 8630
  89     gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
  90 }
  91
  92 do_tests
  93
  94 test_expr "set language c++" \
  95     "print 1 == 1" "print.*\\$\[0-9\]* = true" \
  96     "print 1 == 2" "print.*\\$\[0-9\]* = false" \
  97     "print as bool"
  98
  99 # Test bool type printing, etc.
 100 # Note: Language is already set to C++ above!
 101 gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
 102
 103 # set a bool variable
 104 test_expr "set variable v_bool = true" \
 105     "print v_bool" "\\$\[0-9\]* = true" \
 106     "set a bool var"
 107
 108 # next print an array of bool
 109 gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
 110
 111 # set elements of a bool array
 112 test_expr "set variable v_bool_array\[1\] = true" \
 113     "print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
 114     "set a bool array elem"
 115
 116 # bool constants
 117 gdb_test "print true" "\\$\[0-9\]* = true" "print true"
 118 gdb_test "print false" "\\$\[0-9\]* = false" "print false"
 119
 120 # arithmetic conversions
 121 gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
 122 gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
 123 gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
 124 gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
 125 gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
 126 gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
 127 gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
 128 gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
 129 gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
 130 gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"