gdb/testsuite/gdb.cp/var-tag.exp

   1 # Copyright 2014 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 # Test expressions in which variable names shadow tag names.
  19
  20 if {[skip_cplus_tests]} { continue }
  21
  22 standard_testfile .cc
  23
  24 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
  25     return -1
  26 }
  27
  28 proc do_global_tests {lang} {
  29     if {$lang == "c"} {
  30         set invalid_print "No symbol \"%s\" in current context."
  31         set ptypefmt $invalid_print
  32     } else {
  33         set invalid_print "Attempt to use a type name as an expression"
  34         set ptypefmt "type = (class|enum|union|struct) %s {.*}"
  35     }
  36
  37     with_test_prefix $lang {
  38         gdb_test_no_output "set language $lang"
  39         gdb_test "ptype C" "type = class C {.*}"
  40         gdb_test "print E" "= a"
  41         gdb_test "ptype E" "type = enum E {.*}"
  42         gdb_test "print S" "= {<No data fields>}"
  43         gdb_test "ptype S" "type = struct S {.*}"
  44         gdb_test "print U" "= {.*}"
  45         gdb_test "ptype U" "type = union U {.*}"
  46         gdb_test "print cc" "= {.*}"
  47         gdb_test "ptype cc" "type = class CC {.*}"
  48         gdb_test "print CC" [format $invalid_print "CC"]
  49         gdb_test "ptype CC" [format $ptypefmt "CC"]
  50         gdb_test "print ss" "= {<No data fields>}"
  51         gdb_test "ptype ss" "type = struct SS {.*}"
  52         gdb_test "print SS" [format $invalid_print "SS"]
  53         gdb_test "ptype SS" [format $ptypefmt "SS"]
  54         gdb_test "print ee" "= .*"
  55         gdb_test "ptype ee" "type = enum EE {.*}"
  56         gdb_test "print EE" [format $invalid_print "EE"]
  57         gdb_test "ptype EE" [format $ptypefmt "EE"]
  58         gdb_test "print uu" "= {.*}"
  59         gdb_test "ptype uu" "type = union UU {.*}"
  60         gdb_test "print UU" [format $invalid_print  "UU"]
  61         gdb_test "ptype UU" [format $ptypefmt "UU"]
  62     }
  63 }
  64
  65 # First test expressions when there is no context.
  66 with_test_prefix "before start" {
  67     do_global_tests c++
  68     do_global_tests c
  69 }
  70
  71 # Run to main and test again.
  72 if {![runto_main]} {
  73     perror "couldn't run to main"
  74     continue
  75 }
  76
  77 with_test_prefix "in main" {
  78     do_global_tests c++
  79     do_global_tests c
  80 }
  81
  82 # Finally run to C::f and test again
  83 gdb_breakpoint "C::f"
  84 gdb_continue_to_breakpoint "continue to C::f"
  85 with_test_prefix "in C::f" {
  86     do_global_tests c++
  87     do_global_tests c
  88 }
  89
  90 # Another hard-to-guess-the-users-intent bug...
  91 # It would be really nice if we could query the user!
  92 with_test_prefix "global collision" {
  93     gdb_test_no_output "set language c++"
  94     setup_kfail "c++/16463" "*-*-*"
  95     gdb_test "print global" "= 3"
  96
  97     # ... with a simple workaround:
  98     gdb_test "print ::global" "= 3"
  99 }