gdb/testsuite/gdb.c++/misc.exp

   1 # Copyright (C) 1992, 1994, 1997 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Fred Fish. (fnf@cygnus.com)
  21
  22 if $tracelevel then {
  23         strace $tracelevel
  24 }
  25
  26 if { [skip_cplus_tests] } { continue }
  27
  28 set testfile "misc"
  29 set srcfile ${testfile}.cc
  30 set binfile ${objdir}/${subdir}/${testfile}
  31 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  32      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  33 }
  34
  35 #
  36 # Deduce language of main()
  37 #
  38
  39 proc deduce_language_of_main {} {
  40     global gdb_prompt
  41
  42     # See what language gdb thinks main() is, prior to reading full symbols.
  43     # I think this fails for COFF targets.
  44     setup_xfail "a29k-*-udi"
  45     send_gdb "show language\n"
  46     gdb_expect {
  47         -re ".* source language is \"auto; currently c\[+\]+\".*$gdb_prompt $" {
  48             pass "deduced language is C++, before full symbols"
  49         }
  50         -re ".*$gdb_prompt $" {
  51             fail "source language not correct for C++ (psymtabs only)"
  52             return
  53         }
  54         timeout {
  55             fail "can't show language (timeout)"
  56             return
  57         }
  58     }
  59
  60     runto_main
  61
  62     # See if our idea of the language has changed.
  63
  64     send_gdb "show language\n"
  65     gdb_expect {
  66         -re ".* source language is \"auto; currently c\[+\]+\".*$gdb_prompt $" {
  67             pass "deduced language is C++, after full symbols"
  68         }
  69         -re ".*$gdb_prompt $" {
  70             fail "source language not correct for C++ (full symbols)"
  71             return
  72         }
  73         timeout {
  74             fail "can't show language (timeout)"
  75             return
  76         }
  77     }
  78 }
  79
  80 proc test_expr { args } {
  81     if { [llength $args] % 2 } {
  82         warning "an even # of arguments should be passed to test_expr"
  83     }
  84     set last_ent [expr [llength $args] - 1];
  85     set testname [lindex $args $last_ent];
  86     if [gdb_test [lindex $args 0] "" "$testname (setup)"] {
  87         gdb_suppress_tests;
  88     }
  89     for {set x 1} {$x < $last_ent} {set x [expr $x + 2]} {
  90         if [gdb_test [lindex $args $x] [lindex $args [expr $x + 1]] "$testname ([lindex $args $x])"] {
  91             gdb_suppress_tests;
  92         }
  93     }
  94     gdb_stop_suppressing_tests;
  95 }
  96
  97 proc do_tests {} {
  98     global prms_id
  99     global bug_id
 100     global subdir
 101     global objdir
 102     global srcdir
 103     global binfile
 104     global gdb_prompt
 105
 106     set prms_id 0
 107     set bug_id 0
 108
 109     # Start with a fresh gdb.
 110
 111     gdb_exit
 112     gdb_start
 113     gdb_reinitialize_dir $srcdir/$subdir
 114     gdb_load $binfile
 115
 116     deduce_language_of_main
 117     # Check for fixes for PRs 8916 and 8630
 118     gdb_test "print s.a" ".* = 0" "print s.a for foo struct (known gcc 2.7.2 and earlier bug)"
 119 }
 120
 121 do_tests
 122
 123 test_expr "set language c++" \
 124     "print 1 == 1" "print.*\\$\[0-9\]* = true" \
 125     "print 1 == 2" "print.*\\$\[0-9\]* = false" \
 126     "print as bool"
 127
 128 # Test bool type printing, etc.
 129 # Note: Language is already set to C++ above!
 130 gdb_test "print v_bool" "\\$\[0-9\]* = false" "print a bool var"
 131
 132 # set a bool variable
 133 test_expr "set variable v_bool = true" \
 134     "print v_bool" "\\$\[0-9\]* = true" \
 135     "set a bool var"
 136
 137 # next print an array of bool
 138 gdb_test "print v_bool_array" "\\$\[0-9\]* = \\{false, false\\}" "print a bool array"
 139
 140 # set elements of a bool array
 141 test_expr "set variable v_bool_array\[1\] = true" \
 142     "print v_bool_array" "\\$\[0-9\]* = \\{false, true\\}" \
 143     "set a bool array elem"
 144
 145 # bool constants
 146 gdb_test "print true" "\\$\[0-9\]* = true" "print true"
 147 gdb_test "print false" "\\$\[0-9\]* = false" "print false"
 148
 149 # arithmetic conversions
 150 gdb_test "print 1 + true" "\\$\[0-9\]* = 2" "1 + true"
 151 gdb_test "print 3 + false" "\\$\[0-9\]* = 3" "3 + false"
 152 gdb_test "print 1 < 2 < 3" "\\$\[0-9\]* = true" "1 < 2 < 3"
 153 gdb_test "print 2 < 1 > 4" "\\$\[0-9\]* = false" "2 < 1 > 4"
 154 gdb_test "print (bool)43" "\\$\[0-9\]* = true" "(bool)43"
 155 gdb_test "print (bool)0" "\\$\[0-9\]* = false" "(bool)0"
 156 gdb_test "print (bool)17.93" "\\$\[0-9\]* = true" "(bool)17.93"
 157 gdb_test "print (bool)0.0" "\\$\[0-9\]* = false" "(bool)0.0"
 158 gdb_test "print (int)true" "\\$\[0-9\]* = 1" "(int)true"
 159 gdb_test "print (int)false" "\\$\[0-9\]* = 0" "(int)false"