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# Copyright (C) 1992, 1997 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

# This file was written by Fred Fish. (fnf@cygnus.com)

if $tracelevel then {

        strace $tracelevel

}

set prms_id 0

set bug_id 0

proc test_convenience_variables {} {

    global gdb_prompt

    gdb_test "set \$foo = 101"  "" \

        "Set a new convenience variable"

    gdb_test "print \$foo"              " = 101" \

        "Print contents of new convenience variable"

    gdb_test "set \$foo = 301"  "" \

        "Set convenience variable to a new value"

    gdb_test "print \$foo"              " = 301" \

        "Print new contents of convenience variable"

    gdb_test "set \$_ = 11"             "" \

        "Set convenience variable \$_"

    gdb_test "print \$_"                " = 11" \

        "Print contents of convenience variable \$_"

    gdb_test "print \$foo + 10" " = 311" \

        "Use convenience variable in arithmetic expression"

    gdb_test "print (\$foo = 32) + 4"   " = 36" \

        "Use convenience variable assignment in arithmetic expression"

    gdb_test "print \$bar"              " = void" \

        "Print contents of uninitialized convenience variable"

}

proc test_value_history {} {

    global gdb_prompt

    gdb_test "print 101"        "\\\$1 = 101" \

        "Set value-history\[1\] using \$1"

    gdb_test "print 102"        "\\\$2 = 102" \

        "Set value-history\[2\] using \$2"

    gdb_test "print 103"        "\\\$3 = 103" \

        "Set value-history\[3\] using \$3"

    gdb_test "print \$\$"       "\\\$4 = 102" \

        "Print value-history\[MAX-1\] using inplicit index \$\$"

    gdb_test "print \$\$"       "\\\$5 = 103" \

        "Print value-history\[MAX-1\] again using implicit index \$\$"

    gdb_test "print \$" "\\\$6 = 103" \

        "Print value-history\[MAX\] using implicit index \$"

    gdb_test "print \$\$2"      "\\\$7 = 102" \

        "Print value-history\[MAX-2\] using explicit index \$\$2"

    gdb_test "print \$0"        "\\\$8 = 102" \

        "Print value-history\[MAX\] using explicit index \$0"

    gdb_test "print 108"        "\\\$9 = 108"

    gdb_test "print \$\$0"      "\\\$10 = 108" \

        "Print value-history\[MAX\] using explicit index \$\$0"

    gdb_test "print \$1"        "\\\$11 = 101" \

        "Print value-history\[1\] using explicit index \$1"

    gdb_test "print \$2"        "\\\$12 = 102" \

        "Print value-history\[2\] using explicit index \$2"

    gdb_test "print \$3"        "\\\$13 = 103" \

        "Print value-history\[3\] using explicit index \$3"

    gdb_test "print \$-3"       "\\\$14 = 100" \

        "Print (value-history\[MAX\] - 3) using implicit index \$"

    gdb_test "print \$1 + 3"    "\\\$15 = 104" \

        "Use value-history element in arithmetic expression"

}

# Start with a fresh gdb.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

send_gdb "set print sevenbit-strings\n" ; gdb_expect -re ".*$gdb_prompt $"

test_value_history

test_convenience_variables