gdb/testsuite/gdb.cp/ambiguous.exp

   1 # Copyright 1998-2015 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 # This file is part of the gdb testsuite
  17
  18 # tests relating to ambiguous class members
  19 # Written by Satish Pai <pai@apollo.hp.com> 1997-07-28
  20
  21 # This file is part of the gdb testsuite
  22
  23 #
  24 # test running programs
  25 #
  26
  27
  28 if { [skip_cplus_tests] } { continue }
  29
  30 standard_testfile .cc
  31
  32 if [get_compiler_info "c++"] {
  33     return -1
  34 }
  35
  36 if { [test_compiler_info gcc-*] } then { continue }
  37
  38 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
  39     return -1
  40 }
  41
  42 #
  43 # set it up at a breakpoint so we can play with the variable values
  44 #
  45 if ![runto_main] then {
  46     perror "couldn't run to breakpoint"
  47     continue
  48 }
  49
  50 send_gdb "break marker1\n" ; gdb_expect -re ".*$gdb_prompt $"
  51     send_gdb "cont\n"
  52     gdb_expect {
  53         -re "Break.* marker1 \\(\\) at .*:$decimal.*$gdb_prompt $" {
  54             send_gdb "up\n"
  55             gdb_expect {
  56                 -re ".*$gdb_prompt $" { pass "up from marker1" }
  57                 timeout { fail "up from marker1" }
  58             }
  59         }
  60         -re "$gdb_prompt $" { fail "continue to marker1"  }
  61         timeout { fail "(timeout) continue to marker1"  }
  62     }
  63
  64 # print out various class objects' members.  The values aren't
  65 # important, just check that the warning is emitted at the
  66 # right times.
  67
  68 # X is derived from A1 and A2; both A1 and A2 have a member 'x'
  69 send_gdb "print x.x\n"
  70 gdb_expect {
  71    -re "warning: x ambiguous; using X::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  72        pass "print x.x"
  73    }
  74    -re "warning: x ambiguous; using X::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  75        pass "print x.x"
  76    }
  77    -re ".*$gdb_prompt $" { fail "print x.x" }
  78    timeout { fail "(timeout) print x.x" }
  79 }
  80
  81
  82 # N is derived from A1 and A2, but not immediately -- two steps
  83 # up in the hierarchy. Both A1 and A2 have a member 'x'.
  84 send_gdb "print n.x\n"
  85 gdb_expect {
  86    -re "warning: x ambiguous; using N::M::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  87        pass "print n.x"
  88    }
  89    -re "warning: x ambiguous; using N::L::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
  90        pass "print n.x"
  91    }
  92    -re ".*$gdb_prompt $" { fail "print n.x" }
  93    timeout { fail "(timeout) print n.x" }
  94 }
  95
  96 # J is derived from A1 twice.  A1 has a member x.
  97 send_gdb "print j.x\n"
  98 gdb_expect {
  99    -re "warning: x ambiguous; using J::L::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 100        pass "print j.x"
 101    }
 102    -re "warning: x ambiguous; using J::K::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 103        pass "print j.x"
 104    }
 105    -re ".*$gdb_prompt $" { fail "print j.x" }
 106    timeout { fail "(timeout) print j.x" }
 107 }
 108
 109 # JV is derived from A1 but A1 is a virtual base. Should not
 110 # report an ambiguity in this case.
 111 send_gdb "print jv.x\n"
 112 gdb_expect {
 113    -re "warning: x ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 114        fail "print jv.x (ambiguity reported)"
 115    }
 116    -re "\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" { pass "print jv.x" }
 117    -re ".*$gdb_prompt $" { fail "print jv.x (??)" }
 118    timeout { fail "(timeout) print jv.x" }
 119 }
 120
 121 # JVA1 is derived from A1; A1 occurs as a virtual base in two
 122 # ancestors, and as a non-virtual immediate base. Ambiguity must
 123 # be reported.
 124 send_gdb "print jva1.x\n"
 125 gdb_expect {
 126    -re "warning: x ambiguous; using JVA1::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 127        pass "print jva1.x"
 128    }
 129    -re "warning: x ambiguous; using JVA1::KV::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 130        pass "print jva1.x"
 131    }
 132    -re ".*$gdb_prompt $" { fail "print jva1.x" }
 133    timeout { fail "(timeout) print jva1.x" }
 134 }
 135
 136 # JVA2 is derived from A1 & A2; A1 occurs as a virtual base in two
 137 # ancestors, and A2 is a non-virtual immediate base. Ambiguity must
 138 # be reported as A1 and A2 both have a member 'x'.
 139 send_gdb "print jva2.x\n"
 140 gdb_expect {
 141    -re "warning: x ambiguous; using JVA2::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 142        pass "print jva2.x"
 143    }
 144    -re "warning: x ambiguous; using JVA2::KV::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 145        pass "print jva2.x"
 146    }
 147    -re ".*$gdb_prompt $" { fail "print jva2.x" }
 148    timeout { fail "(timeout) print jva2.x" }
 149 }
 150
 151 # JVA1V is derived from A1; A1 occurs as a virtual base in two
 152 # ancestors, and also as a virtual immediate base. Ambiguity must
 153 # not be reported.
 154 send_gdb "print jva1v.x\n"
 155 gdb_expect {
 156    -re "warning: x ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
 157        fail "print jva1v.x (ambiguity reported)"
 158    }
 159    -re "\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" { pass "print jva1v.x" }
 160    -re ".*$gdb_prompt $" { fail "print jva1v.x (??)" }
 161    timeout { fail "(timeout) print jva1v.x" }
 162 }
 163
 164 # Now check for ambiguous bases.
 165
 166 # J is derived from A1 twice; report ambiguity if a J is
 167 # cast to an A1.
 168 send_gdb "print (A1)j\n"
 169 gdb_expect {
 170    -re "warning: A1 ambiguous; using J::L::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 171        pass "print (A1)j"
 172    }
 173    -re "warning: A1 ambiguous; using J::K::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 174        pass "print (A1)j"
 175    }
 176    -re ".*$gdb_prompt $" { fail "print (A1)j" }
 177    timeout { fail "(timeout) print (A1)j" }
 178 }
 179
 180 # JV is derived from A1 twice, but A1 is a virtual base; should
 181 # not report ambiguity when a JV is cast to an A1.
 182 send_gdb "print (A1)jv\n"
 183 gdb_expect {
 184    -re "warning: A1 ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 185        fail "print (A1)jv (ambiguity reported)"
 186    }
 187    -re "\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" { pass "print (A1)jv" }
 188    -re ".*$gdb_prompt $" { fail "print (A1)jv (??)" }
 189    timeout { fail "(timeout) print (A1)jv" }
 190 }
 191
 192 # JVA1 is derived from A1; A1 is a virtual base and also a
 193 # non-virtual base.  Must report ambiguity if a JVA1 is cast to an A1.
 194 send_gdb "print (A1)jva1\n"
 195 gdb_expect {
 196    -re "warning: A1 ambiguous; using JVA1::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 197        pass "print (A1)jva1"
 198    }
 199    -re "warning: A1 ambiguous; using JVA1::KV::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 200        pass "print (A1)jva1"
 201    }
 202    -re ".*$gdb_prompt $" { fail "print (A1)jva1" }
 203    timeout { fail "(timeout) print (A1)jva1" }
 204 }
 205
 206 # JVA1V is derived from A1; A1 is a virtual base indirectly
 207 # and also directly; must not report ambiguity when a JVA1V is cast to an A1.
 208 send_gdb "print (A1)jva1v\n"
 209 gdb_expect {
 210    -re "warning: A1 ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
 211        fail "print (A1)jva1v (ambiguity reported)"
 212    }
 213    -re "\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" { pass "print (A1)jva1v"
 214    }
 215    -re ".*$gdb_prompt $" { fail "print (A1)jva1v (??)" }
 216    timeout { fail "(timeout) print (A1)jva1v" }
 217 }
 218