gdb/testsuite/gdb.hp/ambiguous.exp

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