gdb/testsuite/gdb.cp/class2.exp

   1 # Copyright 2003-2013 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 3 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, see <http://www.gnu.org/licenses/>.
  15
  16 if { [skip_cplus_tests] } { continue }
  17
  18
  19 standard_testfile .cc
  20
  21 # Create and source the file that provides information about the compiler
  22 # used to compile the test case.
  23 if [get_compiler_info "c++"] {
  24     return -1
  25 }
  26
  27 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
  28     return -1
  29 }
  30
  31 # Start with "set print object off".
  32
  33 gdb_test_no_output "set print object off"
  34
  35 if ![runto_main] then {
  36     perror "couldn't run to main"
  37     continue
  38 }
  39
  40 get_debug_format
  41
  42 gdb_test "break [gdb_get_line_number "marker return 0"]" \
  43     "Breakpoint.*at.* file .*" ""
  44
  45 gdb_test "continue" "Breakpoint .* at .*" ""
  46
  47 # Access the "A" object.
  48
  49 gdb_test "print alpha" \
  50     "= {.*a1 = 100.*}" \
  51     "print alpha at marker return 0"
  52
  53 # Access the "B" object.
  54
  55 gdb_test "print beta" \
  56     "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
  57     "print beta at marker return 0"
  58
  59 # Access the "A" object through an "A *" pointer.
  60
  61 gdb_test_multiple "print * aap" "print * aap at marker return 0" {
  62     -re "= {.*a1 = 100.*}\r\n$gdb_prompt $" {
  63         # gcc 2.95.3 -gstabs+
  64         # gcc 3.3.2 -gdwarf-2
  65         # gcc 3.3.2 -gstabs+
  66         pass "print * aap at marker return 0"
  67     }
  68     -re "= {.*a1 = .*}\r\n$gdb_prompt $" {
  69         if { [test_compiler_info gcc-2-*] && [test_debug_format "DWARF 2"] } {
  70             # gcc 2.95.3 -gdwarf-2
  71             setup_kfail "gdb/1465" "*-*-*"
  72         }
  73         fail "print * aap at marker return 0"
  74     }
  75 }
  76
  77 # Access the "B" object through a "B *" pointer.
  78
  79 gdb_test "print * bbp" \
  80     "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
  81     "print * bbp at marker return 0"
  82
  83 # Access the "B" object through an "A *" pointer.
  84 # This should print using the "A" type.
  85
  86 gdb_test_multiple "print * abp" "print * abp at marker return 0, s-p-o off" {
  87     -re "= {.*a1 = 200.*b1 = .*b2 = .*}\r\n$gdb_prompt $" {
  88         # This would violate the documentation for "set print object off".
  89         fail "print * abp at marker return 0, s-p-o off"
  90     }
  91     -re "= {.*a1 = 200.*}\r\n$gdb_prompt $" {
  92         pass "print * abp at marker return 0, s-p-o off"
  93     }
  94 }
  95
  96 # Access the "B" object through a "B *" pointer expression.
  97 # This should print using the "B" type.
  98
  99 gdb_test "print * (B *) abp" \
 100     "= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
 101     "print * (B *) abp at marker return 0"
 102
 103 # Printing the value of an object containing no data fields:
 104
 105 gdb_test "p e" "= \{<No data fields>\}" "print object with no data fields"
 106
 107 # Printing NULL pointers with "set print object on"
 108
 109 gdb_test_no_output "set print object on"
 110 gdb_test "p acp" "= \\(C \\*\\) ${hex}"
 111 gdb_test "p acp->c1" "\\(A \\*\\) 0x0"
 112 gdb_test "p acp->c2" "\\(A \\*\\) ${hex}f"
 113
 114 # Regression test for PR c++/15401.
 115 # Check that the type printed is a reference.
 116 gdb_test "p aref" " = \\(A \\&\\) .*"