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#   Copyright (C) 1997, 1998
#   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

# display.exp   Test display commands
#               Also do some printing stuff for coverage's sake.
#
if $tracelevel then {
        strace $tracelevel
}

set testfile display
set srcfile  ${srcdir}/${subdir}/${testfile}.c
set binfile  ${objdir}/${subdir}/${testfile}



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


# use this to debug:
#log_user 1

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

# Some coverage stuff
#
gdb_test "kill" ".*The program is not being run.*"
gdb_test "detach" ".*"
gdb_test "run" ".*"

gdb_load ${binfile}
gdb_test "kill" ".*"
gdb_test "detach" ".*"

# Ok, on to real life
#

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}

if ![runto_main] then {
    fail "Could not run to main - other tests will fail."
    continue
}

gdb_test "b 14" ".*Breakpoint 2.*" "break do_loops"
gdb_test "c"          ".*Breakpoint 2, do_loops.*" "get to do_loops"

# Create stopping points.
#
gdb_test "wat sum"    ".*\[Ww\]atchpoint 3: sum.*" "set watch"
gdb_test "b 19"       ".*Breakpoint 4.*" "break 19"

# Create displays for those points
#
gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
gdb_test "disp i" ".*1: i = 0.*" "display i"
gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
gdb_test "disp/i &k" ".*3: x/i &k  $hex:.*" "display &k"
gdb_test "disp/f sum" ".*4: /f sum = 0.*" "display/f sum"
gdb_test "disp/s &sum" ".*5: x/s &sum  $hex.*sum.:.*" "display/s &sum"

# Hit the displays
#
gdb_test "c" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f sum = 1.40129846e.45\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0\r\n\[1-9\]*: i = 0.*" "first disp"
gdb_test "c" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f sum = 2.80259693e.45\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0.*\[1-9\]*: i = 0.*" "second disp"

gdb_test "enab  disp 6" ".*No display number 6..*" "catch err"
gdb_test "disab disp 1" ".*" "disab disp 1"
gdb_test "disab disp 2" ".*" "disab disp 2"
gdb_test "enab disp 1"  ".*" "re-enab"
gdb_test "enab disp 1"  ".*" "re-enab of enab"
gdb_test "undisp 5"     ".*" "undisp"
gdb_test "i disp"       ".*Auto-display expressions now in effect.*y  /f sum.*y  /1bi &k.*n  /x j.*y  i.*" "info disp"

gdb_test "c" ".*\[Ww\]atch.*4.20389539e-45.*.*i = 0.*" "next hit"

send_gdb "undisp\n"
gdb_expect {
    -re ".*Delete all auto-display expressions.*y or n. $" {
        send_gdb "y\n"
        gdb_expect {
            -re "y\r\n$gdb_prompt $" {
                pass "undisp all"
            }
            -re ".*$gdb_prompt $" {
                fail "some un-helpful response"
            }
            -re ".*Delete all.*$" {
                fail "re-ask question"
            }
            timeout { fail "timeout" }
        }
    }
    -re ".*$gdb_prompt $" {
        fail "undisp all"
    }
    timeout { fail "timeout" }
}

gdb_test "disab 3" ".*.*" "disab 3"
gdb_test "c" ".*Breakpoint 4.*" "watch off"

# Now the printf tests
#
# The "finish" command may leave us mid-line in the caller on some
# targets, including but not limited to the m68k, i386 & PA.  So we
# have to arrange to step until we hit the line with the call to
# "do_vars".
send_gdb "finish\n"
gdb_expect {
    -re ".*do_loops\\(\\);.*$gdb_prompt $" {
        send_gdb "step\n"
        exp_continue
    }
    -re ".*do_vars.*$gdb_prompt $" {
        pass "finish"
    }
    -re ".*$gdb_prompt $" {
        fail "finish"
        gdb_suppress_tests
    }
    timeout  {
        fail "(timeout) finish"
        gdb_suppress_tests
    }
}

gdb_test "s" ".*do_vars.*.*27.*"
gdb_test "tb 37" ".*Breakpoint 5 a.*"
gdb_test "c" ".*do_vars.*37.*37.*"

# Beat on printf a bit
#
gdb_test "printf" ".*Argument required.*"
gdb_test "printf %d" ".*Bad format string, missing.*"
gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
gdb_test "printf \"\"" ".*" "re-set term"
gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"

# play with "p", too
#
gdb_test "p/r j" ".*Undefined output format.*"
gdb_test "p j" ".*" "debug test output"

# x/0 j doesn't produce any output and terminates PA64 process when testing
if [istarget "hppa2.0w-hp-hpux11*"] {
    xfail "'x/0 j' terminates PA64 process - skipped test point"
} else {
    gdb_test "x/0 j" ".*"
}
if [istarget "hppa*-hp-hpux*"] {
    # on HP-UX you could access the first page without getting an error
    gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
}
gdb_test "p/0 j" ".*Item count other than 1 is meaningless.*" "p/0 j"
gdb_test "p/s sum" ".*Format letter.*is meaningless.*" " no s"
gdb_test "p/i sum" ".*Format letter.*is meaningless.*.*" "no i"
gdb_test "p/a &sum" ".*= $hex.*<sum>.*"
# If the constant below is larger than the length of main, then
# this test will (incorrectly) fail.  So use a small number.
gdb_test "p/a main+4" ".*= $hex.*<.*>.*"
gdb_test "p/a \$pc" ".*= $hex.*<do_vars+.*>.*"
gdb_test "p/a &&j" ".*A .* error in expression.*"

# Done!
#
gdb_exit
return 0