old-cross-binutils/gdb/testsuite/gdb.base/ifelse.exp
Michael Snyder 35ec993ff8 2010-06-03 Michael Snyder <msnyder@vmware.com>
* gdb.base/commands.exp: Replace gdb_test with gdb_test_no_output.
	* gdb.base/display.exp: Ditto.
	* gdb.base/find.exp: Ditto.
	* gdb.base/ifelse.exp: Ditto.
	* gdb.base/multi-forks.exp: Ditto.
	* gdb.base/recurse.exp: Ditto.
	* gdb.base/setshow.exp: Ditto.
	* gdb.base/value-double-free.exp: Ditto.
	* gdb.base/watch-vfork.exp: Ditto.
	* gdb.base/watch_thread_num.exp: Ditto.
	* gdb.base/watchpoint-solib.exp: Ditto.
	* gdb.base/watchpoint.exp: Ditto.
	* gdb.base/watchpoints.exp: Ditto.

	* gdb.cp/classes.exp: Replace gdb_test with gdb_test_no_output.
	* gdb.cp/overload.exp: Ditto.
	* gdb.cp/virtfunc.exp: Ditto.

	* gdb.python/py-value.exp: Replace gdb_test with gdb_test_no_output.

	* gdb.reverse/watch-precsave.exp:
	Replace gdb_test with gdb_test_no_output.

	* gdb.threads/attach-into-signal.exp:
	Replace gdb_test with gdb_test_no_output.
	* gdb.threads/local-watch-wrong-thread.exp: Ditto.
	* gdb.threads/watchthreads.exp: Ditto.
	* gdb.threads/watchthreads2.exp: Ditto.

	* gdb.trace/deltrace.exp: Replace gdb_test with gdb_test_no_output.
	* gdb.trace/tfind.exp: Ditto.
2010-06-03 23:54:18 +00:00

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# Copyright 2006, 2007, 2008, 2009, 2010 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.
if $tracelevel then {
strace $tracelevel
}
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. Preceed 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" ""
# 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" ""
# 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" ""
# create
gdb_test "define abc\nif 1\nelse\nend\nend" "" "create define with empty else"
# call (note that condition is 1 so should pass)
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"