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#   Copyright (C) 1999 2000 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.  

# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu

#
# Test essential Machine interface (MI) operations
#
# Verify that, using the MI, we can run a simple program and perform basic
# debugging activities like: insert breakpoints, run the program,
# step, next, continue until it ends and, last but not least, quit.
#
# The goal is not to test gdb functionality, which is done by other tests,
# but to verify the correct output response to MI operations.
#

load_lib mi-support.exp

gdb_exit
if [mi_gdb_start] {
    continue
}

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

mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}

proc test_watchpoint_creation_and_listing {} {
    global mi_gdb_prompt
    global srcfile
    global hex

    # Insert a watchpoint and list
    # Tests:
    # -break-watch C
    # -break-list

    mi_gdb_test "111-break-watch C" \
             "111\\^done,wpt=\{number=\"2\",exp=\"C\"\}" \
             "break-watch operation"

    mi_gdb_test "222-break-list" \
                "222\\^done,BreakpointTable=\{hdr=\{.*\},bkpt=\{number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"callee4\",file=\".*basics.c\",line=\"8\",times=\"1\"\},bkpt=\{number=\"2\",type=\".*watchpoint\",disp=\"keep\",enabled=\"y\",addr=\"\",what=\"C\",times=\"0\"\}\}" \
                "list of watchpoints"

}

# UNUSED at the time
proc test_awatch_creation_and_listing {} {
    global mi_gdb_prompt
    global srcfile
    global hex

    # Insert an access watchpoint and list it
    # Tests:
    # -break-watch -a A
    # -break-list

    mi_gdb_test "333-break-watch -a A" \
             "333\\^done,bkpt=\{number=\"1\",addr=\"$hex\",file=\".*basics.c\",line=\"32\"\}" \
             "break-watch -a operation"

    mi_gdb_test "444-break-list" \
                "444\\^done,BreakpointTable=\{hdr=\{.*\},bkpt=\{number=\"3\",type=\"watchpoint\",disp=\"del\",enabled=\"y\",addr=\"$hex\",func=\"main\",file=\".*basics.c\",line=\"32\",times=\"0\"\},.*\}\}" \
                "list of watchpoints awatch"

    mi_gdb_test "777-break-delete 3" \
            "777\\^done" \
            "delete access watchpoint"
}

# UNUSED at the time
proc test_rwatch_creation_and_listing {} {
    global mi_gdb_prompt
    global srcfile
    global hex

    # Insert a read watchpoint and list it.
    # Tests:
    # -break-insert -r B
    # -break-list

    mi_gdb_test "200-break-watch -r C" \
             "200\\^done,bkpt=\{number=\"5\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"callee4\",file=\".*basics.c\",line=\"32\",times=\"0\"\}" \
             "break-insert -r operation"

    mi_gdb_test "300-break-list" \
                "300\\^done,BreakpointTable=\{hdr=\{.*\},bkpt=\{number=\"5\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"main\",file=\".*basics.c\",line=\"32\",times=\"0\"\},.*\}\}" \
                "list of breakpoints"

    mi_gdb_test "177-break-delete 4" \
            "177\\^done" \
            "delete read watchpoint"
}

proc test_running_the_program {} {
    global mi_gdb_prompt
    global hex

    # Run the program without args, then specify srgs and rerun the program
    # Tests:
    # -exec-run

    mi_gdb_test "300-break-insert callee4" \
             "300\\^done,bkpt=\{number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"callee4\",file=\".*basics.c\",line=\"8\",times=\"0\"\}" \
             "insert breakpoint at callee4"

    # mi_gdb_test cannot be used for asynchronous commands because there are
    # two prompts involved and this can lead to a race condition.
    # The following is equivalent to a send_gdb "000-exec-run\n"
    mi_run_cmd
    # The running part has been checked already by mi_run_cmd
        gdb_expect {
            -re "\[\r\n\]*000\\*stopped,reason=\"breakpoint-hit\",bkptno=\"1\",thread-id=\"0\",frame=\{addr=\"$hex\",func=\"callee4\",args=\{\},file=\".*basics.c\",line=\"8\"\}\r\n$mi_gdb_prompt$" \
                    { pass "run to callee4" }
          -re ".*$mi_gdb_prompt$" {fail "run to callee4 (2)"}
          timeout {fail "run to callee4 (timeout 2)"}
        }
}

proc test_watchpoint_triggering {} {
    global mi_gdb_prompt
    global hex

    # Continue execution until the watchpoint is reached,  continue again, 
    # to see the watchpoint go out of scope.
    # Does:
    # -exec-continue (Here wp triggers)
    # -exec-continue (Here wp goes out of scope)

    send_gdb "222-exec-continue\n"
    gdb_expect {
      -re "222\\^running\r\n$mi_gdb_prompt" {
        gdb_expect {
            -re "222\\*stopped,reason=\"watchpoint-trigger\",wpt=\{number=\"2\",exp=\"C\"\},value=\{old=\".*\",new=\"3\"\},thread-id=\"0\",frame=\{addr=\"$hex\",func=\"callee4\",args=\{\},file=\".*basics.c\",line=\"13\"\}\r\n$mi_gdb_prompt$" {
            pass "watchpoint trigger"
          }
          -re ".*$mi_gdb_prompt$" {fail "watchpoint trigger (2)"}
          timeout {fail "watchpoint trigger (timeout 2)"}
        }
      }
      -re ".*$mi_gdb_prompt$" {fail "watchpoint trigger (1)"}
      timeout {fail "watchpoint trigger (timeout 1)"}
    }

    send_gdb "223-exec-continue\n"
    gdb_expect {
      -re "223\\^running\r\n$mi_gdb_prompt" {
        gdb_expect {
            -re "\[\r\n\]*223\\*stopped,reason=\"watchpoint-scope\",wpnum=\"2\",thread-id=\"0\",frame=\{addr=\"$hex\",func=\"callee3\",args=\{.*\},file=\".*basics.c\",line=\"18\"\}\r\n$mi_gdb_prompt$" {
            pass "wp out of scope"
          }
          -re ".*$mi_gdb_prompt$" {fail "wp out of scope (2)"}
          timeout {fail "wp out of scope (timeout 2)"}
        }
      }
      -re ".*$mi_gdb_prompt$" {fail "wp out of scope (1)"}
      timeout {fail "wp out of scope (timeout 1)"}
    }
}

test_running_the_program
test_watchpoint_creation_and_listing
#test_rwatch_creation_and_listing
#test_awatch_creation_and_listing
test_watchpoint_triggering

mi_gdb_exit
return 0

# Local variables: 
# change-log-default-name: "ChangeLog-mi"
# End: