#   Copyright (C) 1988, 1990, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */

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

if $tracelevel then {
    strace $tracelevel
}

#
# test special commands (if, while, etc)
#
set prms_id 0
set bug_id 0

set binfile "run"

if ![file exists $objdir/$subdir/$binfile] then {
    perror "$objdir/$subdir/$binfile does not exist."
    return 0
}

gdb_exit
gdb_start
delete_breakpoints
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $objdir/$subdir/$binfile

proc gdbvar_simple_if_test {} {
    global prompt

    gdb_test "set \\\$foo = 0"
    # All this test should do is print 0xdeadbeef once.
    gdb_test "if \\\$foo == 1\\np/x 0xfeedface\\nelse\\np/x 0xdeadbeef\\nend" "\\\$\[0-9\]* = 0xdeadbeef" "gdbvar_simple_if_test #1"
    # All this test should do is print 0xfeedface once.
    gdb_test "if \\\$foo == 0\\np/x 0xfeedface\\nelse\\np/x 0xdeadbeef\\nend" "\\\$\[0-9\]* = 0xfeedface" "gdbvar_simple_if_test #2"
}

proc gdbvar_simple_while_test {} {
    global prompt

    gdb_test "set \\\$foo = 5"
    # This test should print 0xfeedface five times.
    gdb_test "while \\\$foo > 0\\np/x 0xfeedface\\nset \\\$foo -= 1\\nend" "\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface" "gdbvar_simple_while_test #1"
}

proc gdbvar_complex_if_while_test {} {
    global prompt

    gdb_test "set \\\$foo = 4"
    # This test should alternate between 0xdeadbeef and 0xfeedface two times.
    gdb_test "while \\\$foo > 0\\nset \\\$foo -= 1\\nif \(\\\$foo % 2\) == 1\\np/x 0xdeadbeef\\nelse\\np/x 0xfeedface\\nend\\nend" "\\\$\[0-9\]* = 0xdeadbeef\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xdeadbeef\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface" "gdbvar_complex_if_while_test #1"
}

proc progvar_simple_if_test {} {
    global prompt

    gdb_test "set args 5"
    if { ![runto factorial] } then { return }
    # All this test should do is print 0xdeadbeef once.
    gdb_test "if value == 1\\np/x 0xfeedface\\nelse\\np/x 0xdeadbeef\\nend" "\\\$\[0-9\]* = 0xdeadbeef" "progvar_simple_if_test #1"
    # All this test should do is print 0xfeedface once.
    gdb_test "if value == 5\\np/x 0xfeedface\\nelse\\np/x 0xdeadbeef\\nend" "\\\$\[0-9\]* = 0xfeedface" "progvar_simple_if_test #2"
}

proc progvar_simple_while_test {} {
    global prompt

    gdb_test "set args 5"
    if { ![runto factorial] } then { return }
    # This test should print 0xfeedface five times.
    gdb_test "while value > 0\\np/x 0xfeedface\\nset value -= 1\\nend" "\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface" "progvar_simple_while_test #1"
}

proc progvar_complex_if_while_test {} {
    global prompt

    gdb_test "set args 4"
    if { ![runto factorial] } then { return }
    # This test should alternate between 0xdeadbeef and 0xfeedface two times.
    gdb_test "while value > 0\\nset value -= 1\\nif \(value % 2\) == 1\\np/x 0xdeadbeef\\nelse\\np/x 0xfeedface\\nend\\nend" "\\\$\[0-9\]* = 0xdeadbeef\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xdeadbeef\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface" "progvar_complex_if_while_test #1"
}

proc if_while_breakpoint_command_test {} {
    global prompt

    gdb_test "set args 5"
    if { ![runto factorial] } then { return }
    delete_breakpoints
    gdb_test "break factorial" "Breakpoint.*at"
    # For some stupid reason doing this with a gdb_test timed out.  Weird.
    send "commands\n"
    expect {
	-re "End with" { }
        default { fail "(timeout or eof) commands" }
    }
    # This test should alternate between 0xdeadbeef and 0xfeedface two times.
    gdb_test "while value > 0\\nset value -= 1\\nif \(value % 2\) == 1\\np/x 0xdeadbeef\\nelse\\np/x 0xfeedface\\nend\\nend\\nend\\n" "" "commands"
    gdb_test "continue" "\\\$\[0-9\]* = 0xdeadbeef\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xdeadbeef\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface" "if_while_breakpoint_command_test #1"
   gdb_test "info break" "while.*set.*if.*p/x.*else.*p/x.*end.*" "info break"
}

# Test a simple user defined command (with arguments)
proc user_defined_command_test {} {
    global prompt

    gdb_test "set \\\$foo = 4"
    # For some stupid reason doing this with a gdb_test timed out.  Weird.
    send "define mycommand\n"
    expect {
	-re "End with" { }
        default { fail "(timeout or eof) enter user defined command" }
    }
    # This test should alternate between 0xdeadbeef and 0xfeedface two times.
    gdb_test "while \\\$arg0 > 0\\nset \\\$arg0 -= 1\\nif \(\\\$arg0 % 2\) == 1\\np/x 0xdeadbeef\\nelse\\np/x 0xfeedface\\nend\\nend\\nend\\n" ".*$prompt.*" "enter user defined command"

    gdb_test "mycommand \\\$foo" "\\\$\[0-9\]* = 0xdeadbeef\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface\[^\n\]*\n\\\$\[0-9\]* = 0xdeadbeef\[^\n\]*\n\\\$\[0-9\]* = 0xfeedface" "execute user defined command"
   gdb_test "show user mycommand" "while.*set.*if.*p/x.*else.*p/x.*end.*" "display user command"
}

gdbvar_simple_if_test
gdbvar_simple_while_test
gdbvar_complex_if_while_test
progvar_simple_if_test
progvar_simple_while_test
progvar_complex_if_while_test
if_while_breakpoint_command_test
user_defined_command_test