binutils-gdb/gdb/testsuite/gdb.base/ifelse.exp

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# Copyright 2006-2012 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/>.
# This test checks that the if .. else .. end construct works and may
# contain empty bodies without crashing.
gdb_exit
gdb_start
# First test that the if command works with an empty body
# Test with different conditions because the body is ignored
# if it is not executed.
# with true condition
set message "if 1 with empty body"
gdb_test_multiple "if 1\nend" $message {
-re "$gdb_prompt $" {pass $message}
eof {
fail "$message (crashed)"
gdb_exit
gdb_start
}
}
# with false condition
set message "if 0 with empty body"
gdb_test_multiple "if 0\nend" $message {
-re "$gdb_prompt $" {pass $message}
eof {
fail "$message (crashed)"
gdb_exit
gdb_start
}
}
# Second, do the same tests with an empty else body.
# This fails in GDB <=6.5
# Unfortunately it was an uninitialised memory problem so
# sometimes it just works. Precede it with an if else end with
# bodies and hopefully the memory with be dirty and the problem
# will show itself (this works at time of writing).
gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" \
"if true else false #1"
# with true condition
set message "if 1 .. else with empty body"
gdb_test_multiple "if 1\nelse\nend" $message {
-re "$gdb_prompt $" {pass $message}
eof {
fail "$message (crashed)"
gdb_exit
gdb_start
}
}
# dirty memory
gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" \
"if true else false #2"
# with false condition
set message "if 0 .. else with empty body"
gdb_test_multiple "if 0\nelse\nend" $message {
-re "$gdb_prompt $" {pass $message}
eof {
fail "$message (crashed)"
gdb_exit
gdb_start
}
}
gdb_test_no_output "set confirm off" ""
# Test that a define with an empty else can be replaced.
# If there is memory corruption then free will fail.
# dirty memory
gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" \
"if true else false #3"
# create
gdb_test "define abc\nif 1\nelse\nend\nend" "" "create define with empty else"
# call (note that condition is 1 so should pass)
2010-06-01 Michael Snyder <msnyder@vmware.com> * gdb.base/arithmet.exp: Use gdb_test_no_output. * gdb.base/arrayidx.exp: Ditto. * gdb.base/attach.exp: Ditto. * gdb.base/auxv.exp: Ditto. * gdb.base/bigcre.exp: Ditto. * gdb.base/break-always.exp: Ditto. * gdb.base/break-interp.exp: Ditto. * gdb.base/break.exp: Ditto. * gdb.base/breakpoint-shadow.exp: Ditto. * gdb.base/call-ar-st.exp: Ditto. * gdb.base/call-sc.exp: Ditto. * gdb.base/call-signal-resume.exp: Ditto. * gdb.base/callfuncs.exp: Ditto. * gdb.base/catch-syscall.exp: Ditto. * gdb.base/charset.exp: Ditto. * gdb.base/code-expr.exp: Ditto. * gdb.base/commands.exp: Ditto. * gdb.base/cond-expr.exp: Ditto. * gdb.base/condbreak.exp: Ditto. * gdb.base/cursal.exp: Ditto. * gdb.base/cvexpr.exp: Ditto. * gdb.base/default.exp: Ditto. * gdb.base/del.exp: Ditto. * gdb.base/detach.exp: Ditto. * gdb.base/display.exp: Ditto. * gdb.base/ena-dis-br.exp: Ditto. * gdb.base/eval-skip.exp: Ditto. * gdb.base/foll-fork.exp: Ditto. * gdb.base/foll-vfork.exp: Ditto. * gdb.base/frame-args.exp: Ditto. * gdb.base/funcargs.exp: Ditto. * gdb.base/gcore-buffer-overflow.exp: Ditto. * gdb.base/gdbvars.exp: Ditto. * gdb.base/help.exp: Ditto. * gdb.base/ifelse.exp: Ditto. * gdb.base/included.exp: Ditto. * gdb.base/list.exp: Ditto. * gdb.base/macscp.exp: Ditto. * gdb.base/maint.exp: Ditto. * gdb.base/multi-fork.exp: Ditto. * gdb.base/overlays.exp: Ditto. * gdb.base/page.exp: Ditto. * gdb.base/pending.exp: Ditto. * gdb.base/pointers.exp: Ditto. * gdb.base/pr11022.exp: Ditto. * gdb.base/prelink.exp: Ditto. * gdb.base/printcmds.exp: Ditto. * gdb.base/psymtab.exp: Ditto. * gdb.base/randomize.exp: Ditto. * gdb.base/relational.exp: Ditto. * gdb.base/relocate.exp: Ditto. * gdb.base/remote.exp: Ditto. * gdb.base/sepdebug.exp: Ditto. * gdb.base/set-lang-auto.exp: Ditto. * gdb.base/setshow.exp: Ditto. * gdb.base/setvar.exp: Ditto. * gdb.base/signals.exp: Ditto. * gdb.base/signull.exp: Ditto. * gdb.base/sigstep.exp: Ditto. * gdb.base/sizeof.exp: Ditto. * gdb.base/solib-disc.exp: Ditto. * gdb.base/store.exp: Ditto. * gdb.base/structs.exp: Ditto. * gdb.base/structs2.exp: Ditto. * gdb.base/subst.exp: Ditto. * gdb.base/term.exp: Ditto. * gdb.base/trace-commands.exp: Ditto. * gdb.base/unwindonsignal.exp: Ditto. * gdb.base/valgrind-db-attach.exp: Ditto. * gdb.base/varargs.exp: Ditto. * gdb.base/watch-cond.exp: Ditto. * gdb.base/watch_thread_num.exp: Ditto. * gdb.base/watchpoint-cond-gone.exp: Ditto. * gdb.base/watchpoint.exp: Ditto. * gdb.base/whatis-exp.exp: Ditto.
2010-06-01 23:29:21 +02:00
gdb_test_no_output "abc" "call original define"
# replace
set message "replace define with if .. else with empty body"
gdb_test_multiple "define abc\necho got here\\n\nend" $message {
-re "$gdb_prompt $" {pass $message}
eof {fail "$message (crashed)"}
}
# call
gdb_test "abc" "got here" "call replacement define"