gdb/testsuite/gdb.cp/misc.exp

   1 # Copyright 1992, 1994-1997, 1999, 2002, 2007-2012 Free Software
   2 # 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 { [skip_cplus_tests] } { continue }
  20
  21 set testfile "misc"
  22 set srcfile ${testfile}.cc
  23 set binfile ${objdir}/${subdir}/${testfile}
  24 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  25      untested misc.exp
  26      return -1
  27 }
  28
  29 #
  30 # Deduce language of main()
  31 #
  32
  33 proc deduce_language_of_main {} {
  34     global gdb_prompt
  35
  36     # See what language gdb thinks main() is, prior to reading full symbols.
  37     # I think this fails for COFF targets.
  38     gdb_test "show language" \
  39         "source language is \"auto; currently c\[+\]+\".*" \
  40         "deduced language is C++, before full symbols"
  41
  42     runto_main
  43
  44     # See if our idea of the language has changed.
  45
  46     gdb_test "show language" \
  47         "source language is \"auto; currently c\[+\]+\".*" \
  48         "deduced language is C++, after full symbols"
  49 }
  50
  51 proc test_expr { args } {
  52     if { [llength $args] % 2 } {
  53         warning "an even # of arguments should be passed to test_expr"
  54     }
  55     set last_ent [expr [llength $args] - 1];
  56     set testname [lindex $args $last_ent];
  57     if [gdb_test_no_output [lindex $args 0] "$testname (setup)"] {
  58         gdb_suppress_tests;
  59     }
  60     for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
  61         if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
  62             gdb_suppress_tests;
  63         }
  64     }
  65     gdb_stop_suppressing_tests;
  66 }
  67
  68 proc do_tests {} {
  69     global subdir
  70     global objdir
  71     global srcdir
  72     global binfile
  73     global gdb_prompt
  74
  75
  76     # Start with a fresh gdb.
  77
  78     gdb_exit
  79     gdb_start
  80     gdb_reinitialize_dir $srcdir/$subdir
  81     gdb_load $binfile
  82
  83     deduce_language_of_main
  84     # Check for fixes for PRs 8916 and 8630
  85     gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
  86 }
  87
  88 do_tests
  89
  90 test_expr "set language c++" \
  91     "print 1 == 1" "print.*\\$\[0-9\]* = true" \
  92     "print 1 == 2" "print.*\\$\[0-9\]* = false" \
  93     "print as bool"
  94
  95 # Test bool type printing, etc.
  96 # Note: Language is already set to C++ above!
  97 gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
  98
  99 # set a bool variable
 100 test_expr "set variable v_bool = true" \
 101     "print v_bool" "\\$\[0-9\]* = true" \
 102     "set a bool var"
 103
 104 # next print an array of bool
 105 gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
 106
 107 # set elements of a bool array
 108 test_expr "set variable v_bool_array\[1\] = true" \
 109     "print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
 110     "set a bool array elem"
 111
 112 # bool constants
 113 gdb_test "print true" "\\$\[0-9\]* = true" "print true"
 114 gdb_test "print false" "\\$\[0-9\]* = false" "print false"
 115
 116 # arithmetic conversions
 117 gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
 118 gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
 119 gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
 120 gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
 121 gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
 122 gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
 123 gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
 124 gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
 125 gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
 126 gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"