gdb/testsuite/gdb.cp/ambiguous.exp

   1 # Copyright 1998-1999, 2003-2004, 2007-2012 Free Software Foundation,
   2 # 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 is part of the gdb testsuite
  18
  19 # tests relating to ambiguous class members
  20 # Written by Satish Pai <pai@apollo.hp.com> 1997-07-28
  21
  22 # This file is part of the gdb testsuite
  23
  24 #
  25 # test running programs
  26 #
  27
  28
  29 if { [skip_cplus_tests] } { continue }
  30
  31 set testfile "ambiguous"
  32 set srcfile ${testfile}.cc
  33 set binfile ${objdir}/${subdir}/${testfile}
  34
  35 if [get_compiler_info ${binfile} "c++"] {
  36     return -1;
  37 }
  38
  39 if { [test_compiler_info gcc-*] } then { continue }
  40
  41 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  42      untested ambiguous.exp
  43      return -1
  44 }
  45
  46
  47 gdb_exit
  48 gdb_start
  49 gdb_reinitialize_dir $srcdir/$subdir
  50 gdb_load ${binfile}
  51
  52
  53 #
  54 # set it up at a breakpoint so we can play with the variable values
  55 #
  56 if ![runto_main] then {
  57     perror "couldn't run to breakpoint"
  58     continue
  59 }
  60
  61 send_gdb "break marker1\n" ; gdb_expect -re ".*$gdb_prompt $"
  62     send_gdb "cont\n"
  63     gdb_expect {
  64         -re "Break.* marker1 \\(\\) at .*:$decimal.*$gdb_prompt $" {
  65             send_gdb "up\n"
  66             gdb_expect {
  67                 -re ".*$gdb_prompt $" { pass "up from marker1" }
  68                 timeout { fail "up from marker1" }
  69             }
  70         }
  71         -re "$gdb_prompt $" { fail "continue to marker1"  }
  72         timeout { fail "(timeout) continue to marker1"  }
  73     }
  74
  75 # print out various class objects' members.  The values aren't
  76 # important, just check that the warning is emitted at the
  77 # right times.
  78
  79 # X is derived from A1 and A2; both A1 and A2 have a member 'x'
  80 send_gdb "print x.x\n"
  81 gdb_expect {
  82    -re "warning: x ambiguous; using X::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  83        pass "print x.x"
  84    }
  85    -re "warning: x ambiguous; using X::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  86        pass "print x.x"
  87    }
  88    -re ".*$gdb_prompt $" { fail "print x.x" }
  89    timeout { fail "(timeout) print x.x" }
  90 }
  91
  92
  93 # N is derived from A1 and A2, but not immediately -- two steps
  94 # up in the hierarchy. Both A1 and A2 have a member 'x'.
  95 send_gdb "print n.x\n"
  96 gdb_expect {
  97    -re "warning: x ambiguous; using N::M::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  98        pass "print n.x"
  99    }
 100    -re "warning: x ambiguous; using N::L::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 101        pass "print n.x"
 102    }
 103    -re ".*$gdb_prompt $" { fail "print n.x" }
 104    timeout { fail "(timeout) print n.x" }
 105 }
 106
 107 # J is derived from A1 twice.  A1 has a member x.
 108 send_gdb "print j.x\n"
 109 gdb_expect {
 110    -re "warning: x ambiguous; using J::L::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 111        pass "print j.x"
 112    }
 113    -re "warning: x ambiguous; using J::K::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 114        pass "print j.x"
 115    }
 116    -re ".*$gdb_prompt $" { fail "print j.x" }
 117    timeout { fail "(timeout) print j.x" }
 118 }
 119
 120 # JV is derived from A1 but A1 is a virtual base. Should not
 121 # report an ambiguity in this case.
 122 send_gdb "print jv.x\n"
 123 gdb_expect {
 124    -re "warning: x ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 125        fail "print jv.x (ambiguity reported)"
 126    }
 127    -re "\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" { pass "print jv.x" }
 128    -re ".*$gdb_prompt $" { fail "print jv.x (??)" }
 129    timeout { fail "(timeout) print jv.x" }
 130 }
 131
 132 # JVA1 is derived from A1; A1 occurs as a virtual base in two
 133 # ancestors, and as a non-virtual immediate base. Ambiguity must
 134 # be reported.
 135 send_gdb "print jva1.x\n"
 136 gdb_expect {
 137    -re "warning: x ambiguous; using JVA1::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 138        pass "print jva1.x"
 139    }
 140    -re "warning: x ambiguous; using JVA1::KV::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 141        pass "print jva1.x"
 142    }
 143    -re ".*$gdb_prompt $" { fail "print jva1.x" }
 144    timeout { fail "(timeout) print jva1.x" }
 145 }
 146
 147 # JVA2 is derived from A1 & A2; A1 occurs as a virtual base in two
 148 # ancestors, and A2 is a non-virtual immediate base. Ambiguity must
 149 # be reported as A1 and A2 both have a member 'x'.
 150 send_gdb "print jva2.x\n"
 151 gdb_expect {
 152    -re "warning: x ambiguous; using JVA2::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 153        pass "print jva2.x"
 154    }
 155    -re "warning: x ambiguous; using JVA2::KV::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 156        pass "print jva2.x"
 157    }
 158    -re ".*$gdb_prompt $" { fail "print jva2.x" }
 159    timeout { fail "(timeout) print jva2.x" }
 160 }
 161
 162 # JVA1V is derived from A1; A1 occurs as a virtual base in two
 163 # ancestors, and also as a virtual immediate base. Ambiguity must
 164 # not be reported.
 165 send_gdb "print jva1v.x\n"
 166 gdb_expect {
 167    -re "warning: x ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 168        fail "print jva1v.x (ambiguity reported)"
 169    }
 170    -re "\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" { pass "print jva1v.x" }
 171    -re ".*$gdb_prompt $" { fail "print jva1v.x (??)" }
 172    timeout { fail "(timeout) print jva1v.x" }
 173 }
 174
 175 # Now check for ambiguous bases.
 176
 177 # J is derived from A1 twice; report ambiguity if a J is
 178 # cast to an A1.
 179 send_gdb "print (A1)j\n"
 180 gdb_expect {
 181    -re "warning: A1 ambiguous; using J::L::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 182        pass "print (A1)j"
 183    }
 184    -re "warning: A1 ambiguous; using J::K::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 185        pass "print (A1)j"
 186    }
 187    -re ".*$gdb_prompt $" { fail "print (A1)j" }
 188    timeout { fail "(timeout) print (A1)j" }
 189 }
 190
 191 # JV is derived from A1 twice, but A1 is a virtual base; should
 192 # not report ambiguity when a JV is cast to an A1.
 193 send_gdb "print (A1)jv\n"
 194 gdb_expect {
 195    -re "warning: A1 ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 196        fail "print (A1)jv (ambiguity reported)"
 197    }
 198    -re "\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" { pass "print (A1)jv" }
 199    -re ".*$gdb_prompt $" { fail "print (A1)jv (??)" }
 200    timeout { fail "(timeout) print (A1)jv" }
 201 }
 202
 203 # JVA1 is derived from A1; A1 is a virtual base and also a
 204 # non-virtual base.  Must report ambiguity if a JVA1 is cast to an A1.
 205 send_gdb "print (A1)jva1\n"
 206 gdb_expect {
 207    -re "warning: A1 ambiguous; using JVA1::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 208        pass "print (A1)jva1"
 209    }
 210    -re "warning: A1 ambiguous; using JVA1::KV::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 211        pass "print (A1)jva1"
 212    }
 213    -re ".*$gdb_prompt $" { fail "print (A1)jva1" }
 214    timeout { fail "(timeout) print (A1)jva1" }
 215 }
 216
 217 # JVA1V is derived from A1; A1 is a virtual base indirectly
 218 # and also directly; must not report ambiguity when a JVA1V is cast to an A1.
 219 send_gdb "print (A1)jva1v\n"
 220 gdb_expect {
 221    -re "warning: A1 ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 222        fail "print (A1)jva1v (ambiguity reported)"
 223    }
 224    -re "\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" { pass "print (A1)jva1v"
 225    }
 226    -re ".*$gdb_prompt $" { fail "print (A1)jva1v (??)" }
 227    timeout { fail "(timeout) print (A1)jva1v" }
 228 }
 229