gdb/testsuite/gdb.base/watch-cond.exp

   1 # Copyright 2010-2012 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 #
  17 # Tests involving watchpoint conditions with local expressions.
  18 #
  19
  20 set testfile "watch-cond"
  21 set srcfile ${testfile}.c
  22 set binfile ${objdir}/${subdir}/${testfile}
  23
  24 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
  25     untested ${testfile}.exp
  26     return -1
  27 }
  28
  29 # Disable hardware watchpoints if necessary.
  30 if [target_info exists gdb,no_hardware_watchpoints] {
  31     gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  32 }
  33
  34 if ![runto_main] then {
  35     fail "Can't run to main"
  36     return
  37 }
  38
  39 gdb_test "watch global if q > 10" \
  40     "atchpoint .*: global" \
  41     "set write watchpoint on global variable, local condition"
  42
  43 gdb_test "continue" \
  44     "Old value = 10.*New value = 11.*" \
  45     "watchpoint with global expression, local condition evaluates in correct frame"
  46
  47 clean_restart ${testfile}
  48
  49 # Disable hardware watchpoints if necessary.
  50 if [target_info exists gdb,no_hardware_watchpoints] {
  51     gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  52 }
  53
  54 if ![runto_main] then {
  55     fail "Can't run to main"
  56     return
  57 }
  58
  59 gdb_test "watch q if q > 10" \
  60     "atchpoint .*: q" \
  61     "set write watchpoint on local variable, local condition"
  62
  63 gdb_test "continue" \
  64     "Old value = 10.*New value = 11.*" \
  65     "watchpoint with local expression, local condition evaluates in correct frame"
  66
  67 clean_restart ${testfile}
  68
  69 # Disable hardware watchpoints if necessary.
  70 if [target_info exists gdb,no_hardware_watchpoints] {
  71     gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  72 }
  73
  74 if ![runto_main] then {
  75     fail "Can't run to main"
  76     return
  77 }
  78
  79 gdb_test "watch global2" \
  80     "atchpoint.*" \
  81     "set write watchpoint on global2 variable"
  82
  83 gdb_test "continue" \
  84     "Old value = 0.*New value = 1.*" \
  85     "watchpoint on global2 variable triggers"
  86
  87 gdb_test_no_output "condition 2 *foo > 10" \
  88     "condition of watchpoint 2 changes"
  89
  90 gdb_test "continue" \
  91     ".*condition cannot be tested in the current scope.*Old value = 1.*New value = 2.*" \
  92     "watchpoint stops with untestable local expression"