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test: test eval routines with EVAL_AVOID_SIDE_EFFECTS flag set 

Ensure that certain commands (e.g. whatis/ptype) and sizeof intrinsic
have no side effects (variables cannot be altered).

2013-11-20  Sanimir Agovic  <sanimir.agovic@intel.com>

testsuite/
	* gdb.base/eval-avoid-side-effects.exp: New test.
This commit is contained in:
Sanimir Agovic 2013-11-20 13:45:36 +00:00
parent 6b1141e3f3
commit 10d8cbd222
2 changed files with 44 additions and 0 deletions
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gdb/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2013-11-20 Sanimir Agovic <sanimir.agovic@intel.com>
* gdb.base/eval-avoid-side-effects.exp: New file.
2013-11-20 Walfred Tedeschi <walfred.tedeschi@intel.com>
* gdb.arch/i386-mpx.c: New file

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gdb/testsuite/gdb.base/eval-avoid-side-effects.exp Normal file
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# Copyright 2013 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Tests to cover evaluate_subexp and others with EVAL_AVOID_SIDE_EFFECTS
# flag set.
standard_testfile int-type.c
if { [prepare_for_testing ${testfile}.exp $testfile $srcfile] } {
return -1
}
if ![runto_main] {
return -1
}
set sizeof_int [get_sizeof "int" 4]
gdb_test_no_output "set variable x=42" "set variable x=42"
gdb_test "print sizeof ++x" "= ${sizeof_int}" "test sizeof side effects"
gdb_test "print x" "= 42" "sizeof has no side effects"
gdb_test "ptype ++x" "= int" "test ptype side effects"
gdb_test "print x" "= 42" "ptype has no side effects"
gdb_test "whatis ++x" "= int" "test whatis side effects"
gdb_test "print x" "= 42" "whatis has no side effects"