gdb/testsuite/gdb.base/eval-avoid-side-effects.exp

   1 # Copyright 2013-2021 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 # Tests to cover evaluate_subexp and others with EVAL_AVOID_SIDE_EFFECTS
  17 # flag set.
  18
  19 standard_testfile int-type.c
  20
  21 if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
  22     return -1
  23 }
  24
  25 if ![runto_main] {
  26     return -1
  27 }
  28
  29 set sizeof_int [get_sizeof "int" 4]
  30
  31 gdb_test_no_output "set variable x=42" "set variable x=42"
  32
  33 gdb_test "print sizeof ++x" "= ${sizeof_int}" "test sizeof side effects"
  34 gdb_test "print x" "= 42" "sizeof has no side effects"
  35
  36 gdb_test "ptype ++x" "= int" "test ptype side effects"
  37 gdb_test "print x" "= 42" "ptype has no side effects"
  38
  39 gdb_test "whatis ++x" "= int" "test whatis side effects"
  40 gdb_test "print x" "= 42" "whatis has no side effects"