[RFC] new GDB server testcase

[Manoj Iyer]

I wrote a testcase for testing basic gdbserver functionality over TCP
connection. I will add more cases like step, print, etc once the testcase
is approved.

========================================================================


2005-05-04  Manoj Iyer  <manjo@austin.ibm.com>

        * gdb.server/basictest.c: New testcase
        * gdb.server/basictest.exp: New testcase

============= basictest.c =========================
/* File: test basic remote debug functionality through TCP connection.       */
/* Author: Manoj Iyer <manjo@austin.ibm.com>                                 */

#include <stdio.h>
#include <stdlib.h>


static void
function3()
{
	printf("In function 3\n");
	exit(0);
}


static void
function2()
{
	function3();
}


static void
function1()
{
	function2();
}

main()
{
    printf("hello gdb\n");
    function1();
}

======================================================================

======================= basictest.exp ===============================
# This testcase is part of GDB, the GNU debugger.

# Copyright 2005 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Test the remote TCP debug functionality of GDB.
# Author: Manoj Iyer <manjo@austin.ibm.com>

load_lib gdbserver-support.exp

set testfile "basictest"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

gdb_exit
global gdbport

set ret [gdbserver_spawn $binfile ""]
set gdbport [lindex $ret 1]

gdb_start

send_gdb "file $binfile \n "

gdb_target_cmd "remote" $gdbport

send_gdb "list \n"
gdb_expect {
	-re ".*function1.*main.*\{.*printf.*$gdb_prompt $" {
	pass "list commands can display source code" }
	timeout { fail "list command failed to display source code" }
}

gdb_test "br main" "Breakpoint 1.*at.* file .*$srcfile, line \[0-9\]+.*"

gdb_test "continue" ".*Continuing\\..*Breakpoint \[0-9\]+, main.*at .*$srcfile:\[0-9\].*"

gdb_test "br function3" "Breakpoint 2.*at.* file .*$srcfile, line \[0-9\]+.*"

gdb_test "continue" ".*Continuing\\..*Breakpoint \[0-9\]+, function3.*at .*$srcfile:\[0-9\].*"

send_gdb "backtrace\n"
gdb_expect_list "backtrace" ".*$gdb_prompt $" {
    "#0.*function3.*at .*basictest.c:\[0-9\]+"
    "#1.*function2.*at .*basictest.c:\[0-9\]+"
    "#2.*function1.*at .*basictest.c:\[0-9\]+"
    "#3.*main.*at .*basictest.c:\[0-9\]+"
}

============================ basictest.exp ====================
-----
manjo
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ Cogito ergo sum +
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-------------- next part --------------
# This testcase is part of GDB, the GNU debugger.

# Copyright 2005 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Test the remote TCP debug functionality of GDB.
# Author: Manoj Iyer <manjo@austin.ibm.com>

load_lib gdbserver-support.exp

set testfile "basictest"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}

gdb_exit
global gdbport

set ret [gdbserver_spawn $binfile ""]
set gdbport [lindex $ret 1]

gdb_start

send_gdb "file $binfile \n "

gdb_target_cmd "remote" $gdbport

send_gdb "list \n"
gdb_expect {
	-re ".*function1.*main.*\{.*printf.*$gdb_prompt $" {
	pass "list commands can display source code" }
	timeout { fail "list command failed to display source code" }
}

gdb_test "br main" "Breakpoint 1.*at.* file .*$srcfile, line \[0-9\]+.*"

gdb_test "continue" ".*Continuing\\..*Breakpoint \[0-9\]+, main.*at .*$srcfile:\[0-9\].*"

gdb_test "br function3" "Breakpoint 2.*at.* file .*$srcfile, line \[0-9\]+.*"

gdb_test "continue" ".*Continuing\\..*Breakpoint \[0-9\]+, function3.*at .*$srcfile:\[0-9\].*"

send_gdb "backtrace\n"
gdb_expect_list "backtrace" ".*$gdb_prompt $" {
    "#0.*function3.*at .*basictest.c:\[0-9\]+"
    "#1.*function2.*at .*basictest.c:\[0-9\]+"
    "#2.*function1.*at .*basictest.c:\[0-9\]+"
    "#3.*main.*at .*basictest.c:\[0-9\]+"
}
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