gdb/testsuite/gdb.c++/ambiguous.exp

   1 # Copyright (C) 1998, 1999 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 is part of the gdb testsuite
  21
  22 # tests relating to ambiguous class members
  23 # Written by Satish Pai <pai@apollo.hp.com> 1997-07-28
  24
  25 # This file is part of the gdb testsuite
  26
  27 if $tracelevel then {
  28         strace $tracelevel
  29         }
  30
  31 #
  32 # test running programs
  33 #
  34
  35 set prms_id 0
  36 set bug_id 0
  37
  38 if { [skip_cplus_tests] } { continue }
  39
  40 set testfile "ambiguous"
  41 set srcfile ${testfile}.cc
  42 set binfile ${objdir}/${subdir}/${testfile}
  43
  44 if [get_compiler_info ${binfile} "c++"] {
  45     return -1;
  46 }
  47
  48 if { $gcc_compiled } then { continue }
  49
  50 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  51      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  52 }
  53
  54
  55 gdb_exit
  56 gdb_start
  57 gdb_reinitialize_dir $srcdir/$subdir
  58 gdb_load ${binfile}
  59
  60
  61 #
  62 # set it up at a breakpoint so we can play with the variable values
  63 #
  64 if ![runto_main] then {
  65     perror "couldn't run to breakpoint"
  66     continue
  67 }
  68
  69 send_gdb "break marker1\n" ; gdb_expect -re ".*$gdb_prompt $"
  70     send_gdb "cont\n"
  71     gdb_expect {
  72         -re "Break.* marker1 \\(\\) at .*:$decimal.*$gdb_prompt $" {
  73             send_gdb "up\n"
  74             gdb_expect {
  75                 -re ".*$gdb_prompt $" { pass "up from marker1" }
  76                 timeout { fail "up from marker1" }
  77             }
  78         }
  79         -re "$gdb_prompt $" { fail "continue to marker1"  }
  80         timeout { fail "(timeout) continue to marker1"  }
  81     }
  82
  83 # print out various class objects' members.  The values aren't
  84 # important, just check that the warning is emitted at the
  85 # right times.
  86
  87 # X is derived from A1 and A2; both A1 and A2 have a member 'x'
  88 send_gdb "print x.x\n"
  89 gdb_expect {
  90    -re "warning: x ambiguous; using X::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  91        pass "print x.x"
  92    }
  93    -re "warning: x ambiguous; using X::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  94        pass "print x.x"
  95    }
  96    -re ".*$gdb_prompt $" { fail "print x.x" }
  97    timeout { fail "(timeout) print x.x" }
  98 }
  99
 100
 101 # N is derived from A1 and A2, but not immediately -- two steps
 102 # up in the hierarchy. Both A1 and A2 have a member 'x'.
 103 send_gdb "print n.x\n"
 104 gdb_expect {
 105    -re "warning: x ambiguous; using N::M::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 106        pass "print n.x"
 107    }
 108    -re "warning: x ambiguous; using N::L::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 109        pass "print n.x"
 110    }
 111    -re ".*$gdb_prompt $" { fail "print n.x" }
 112    timeout { fail "(timeout) print n.x" }
 113 }
 114
 115 # J is derived from A1 twice.  A1 has a member x.
 116 send_gdb "print j.x\n"
 117 gdb_expect {
 118    -re "warning: x ambiguous; using J::L::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 119        pass "print j.x"
 120    }
 121    -re "warning: x ambiguous; using J::K::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 122        pass "print j.x"
 123    }
 124    -re ".*$gdb_prompt $" { fail "print j.x" }
 125    timeout { fail "(timeout) print j.x" }
 126 }
 127
 128 # JV is derived from A1 but A1 is a virtual base. Should not
 129 # report an ambiguity in this case.
 130 send_gdb "print jv.x\n"
 131 gdb_expect {
 132    -re "warning: x ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 133        fail "print jv.x (ambiguity reported)"
 134    }
 135    -re "\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" { pass "print jv.x" }
 136    -re ".*$gdb_prompt $" { fail "print jv.x (??)" }
 137    timeout { fail "(timeout) print jv.x" }
 138 }
 139
 140 # JVA1 is derived from A1; A1 occurs as a virtual base in two
 141 # ancestors, and as a non-virtual immediate base. Ambiguity must
 142 # be reported.
 143 send_gdb "print jva1.x\n"
 144 gdb_expect {
 145    -re "warning: x ambiguous; using JVA1::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 146        pass "print jva1.x"
 147    }
 148    -re "warning: x ambiguous; using JVA1::KV::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 149        pass "print jva1.x"
 150    }
 151    -re ".*$gdb_prompt $" { fail "print jva1.x" }
 152    timeout { fail "(timeout) print jva1.x" }
 153 }
 154
 155 # JVA2 is derived from A1 & A2; A1 occurs as a virtual base in two
 156 # ancestors, and A2 is a non-virtual immediate base. Ambiguity must
 157 # be reported as A1 and A2 both have a member 'x'.
 158 send_gdb "print jva2.x\n"
 159 gdb_expect {
 160    -re "warning: x ambiguous; using JVA2::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 161        pass "print jva2.x"
 162    }
 163    -re "warning: x ambiguous; using JVA2::KV::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 164        pass "print jva2.x"
 165    }
 166    -re ".*$gdb_prompt $" { fail "print jva2.x" }
 167    timeout { fail "(timeout) print jva2.x" }
 168 }
 169
 170 # JVA1V is derived from A1; A1 occurs as a virtual base in two
 171 # ancestors, and also as a virtual immediate base. Ambiguity must
 172 # not be reported.
 173 send_gdb "print jva1v.x\n"
 174 gdb_expect {
 175    -re "warning: x ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 176        fail "print jva1v.x (ambiguity reported)"
 177    }
 178    -re "\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" { pass "print jva1v.x" }
 179    -re ".*$gdb_prompt $" { fail "print jva1v.x (??)" }
 180    timeout { fail "(timeout) print jva1v.x" }
 181 }
 182
 183 # Now check for ambiguous bases.
 184
 185 # J is derived from A1 twice; report ambiguity if a J is
 186 # cast to an A1.
 187 send_gdb "print (A1)j\n"
 188 gdb_expect {
 189    -re "warning: A1 ambiguous; using J::L::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 190        pass "print (A1)j"
 191    }
 192    -re "warning: A1 ambiguous; using J::K::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 193        pass "print (A1)j"
 194    }
 195    -re ".*$gdb_prompt $" { fail "print (A1)j" }
 196    timeout { fail "(timeout) print (A1)j" }
 197 }
 198
 199 # JV is derived from A1 twice, but A1 is a virtual base; should
 200 # not report ambiguity when a JV is cast to an A1.
 201 send_gdb "print (A1)jv\n"
 202 gdb_expect {
 203    -re "warning: A1 ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 204        fail "print (A1)jv (ambiguity reported)"
 205    }
 206    -re "\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" { pass "print (A1)jv" }
 207    -re ".*$gdb_prompt $" { fail "print (A1)jv (??)" }
 208    timeout { fail "(timeout) print (A1)jv" }
 209 }
 210
 211 # JVA1 is derived from A1; A1 is a virtual base and also a
 212 # non-virtual base.  Must report ambiguity if a JVA1 is cast to an A1.
 213 send_gdb "print (A1)jva1\n"
 214 gdb_expect {
 215    -re "warning: A1 ambiguous; using JVA1::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 216        pass "print (A1)jva1"
 217    }
 218    -re "warning: A1 ambiguous; using JVA1::KV::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 219        pass "print (A1)jva1"
 220    }
 221    -re ".*$gdb_prompt $" { fail "print (A1)jva1" }
 222    timeout { fail "(timeout) print (A1)jva1" }
 223 }
 224
 225 # JVA1V is derived from A1; A1 is a virtual base indirectly
 226 # and also directly; must not report ambiguity when a JVA1V is cast to an A1.
 227 send_gdb "print (A1)jva1v\n"
 228 gdb_expect {
 229    -re "warning: A1 ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 230        fail "print (A1)jva1v (ambiguity reported)"
 231    }
 232    -re "\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" { pass "print (A1)jva1v"
 233    }
 234    -re ".*$gdb_prompt $" { fail "print (A1)jva1v (??)" }
 235    timeout { fail "(timeout) print (A1)jva1v" }
 236 }
 237