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# Copyright (C) 1994, 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 adapted from Chill tests by Stan Shebs (shebs@cygnus.com).

if $tracelevel then {
        strace $tracelevel
}

set prms_id 0
set bug_id 0

# Set the current language to fortran.  This counts as a test.  If it
# fails, then we skip the other tests.

proc set_lang_fortran {} {
    global gdb_prompt
    
    if [gdb_test "set language fortran" ""] {
        return 0;
    }

    if ![gdb_test "show language" ".* source language is \"fortran\".*"] {
        return 1;
    } else {
        return 0;
    }
}

proc test_integer_literals_accepted {} {
    global gdb_prompt

    # Test various decimal values.

    gdb_test "p 123" " = 123"
    gdb_test "p -123" " = -123"
}

proc test_character_literals_accepted {} {
    global gdb_prompt

    # Test various character values.

    gdb_test "p 'a'" " = 'a'"
}

proc test_integer_literals_rejected {} {
    global gdb_prompt

    test_print_reject "p _"
}

proc test_logical_literals_accepted {} {
    global gdb_prompt

    # Test the only possible values for a logical, TRUE and FALSE.

    gdb_test "p .TRUE." " = .TRUE."
    gdb_test "p .FALSE." " = .FALSE."
}

proc test_float_literals_accepted {} {
    global gdb_prompt

    # Test various floating point formats

    gdb_test "p .44 .LT. .45" " = .TRUE."
    gdb_test "p .44 .GT. .45" " = .FALSE."
    gdb_test "p 0.44 .LT. 0.45" " = .TRUE."
    gdb_test "p 0.44 .GT. 0.45" " = .FALSE."
    gdb_test "p 44. .LT. 45." " = .TRUE."
    gdb_test "p 44. .GT. 45." " = .FALSE."
    gdb_test "p 44.0 .LT. 45.0" " = .TRUE."
    gdb_test "p 44.0 .GT. 45.0" " = .FALSE."
    gdb_test "p 10D20 .LT. 10D21" " = .TRUE."
    gdb_test "p 10D20 .GT. 10D21" " = .FALSE."
    gdb_test "p 10d20 .LT. 10d21" " = .TRUE."
    gdb_test "p 10d20 .GT. 10d21" " = .FALSE."
    gdb_test "p 10E20 .LT. 10E21" " = .TRUE."
    gdb_test "p 10E20 .GT. 10E21" " = .FALSE."
    gdb_test "p 10e20 .LT. 10e21" " = .TRUE."
    gdb_test "p 10e20 .GT. 10e21" " = .FALSE."
    gdb_test "p 10.D20 .LT. 10.D21" " = .TRUE."
    gdb_test "p 10.D20 .GT. 10.D21" " = .FALSE."
    gdb_test "p 10.d20 .LT. 10.d21" " = .TRUE."
    gdb_test "p 10.d20 .GT. 10.d21" " = .FALSE."
    gdb_test "p 10.E20 .LT. 10.E21" " = .TRUE."
    gdb_test "p 10.E20 .GT. 10.E21" " = .FALSE."
    gdb_test "p 10.e20 .LT. 10.e21" " = .TRUE."
    gdb_test "p 10.e20 .GT. 10.e21" " = .FALSE."
    gdb_test "p 10.0D20 .LT. 10.0D21" " = .TRUE."
    gdb_test "p 10.0D20 .GT. 10.0D21" " = .FALSE."
    gdb_test "p 10.0d20 .LT. 10.0d21" " = .TRUE."
    gdb_test "p 10.0d20 .GT. 10.0d21" " = .FALSE."
    gdb_test "p 10.0E20 .LT. 10.0E21" " = .TRUE."
    gdb_test "p 10.0E20 .GT. 10.0E21" " = .FALSE."
    gdb_test "p 10.0e20 .LT. 10.0e21" " = .TRUE."
    gdb_test "p 10.0e20 .GT. 10.0e21" " = .FALSE."
    gdb_test "p 10.0D+20 .LT. 10.0D+21" " = .TRUE."
    gdb_test "p 10.0D+20 .GT. 10.0D+21" " = .FALSE."
    gdb_test "p 10.0d+20 .LT. 10.0d+21" " = .TRUE."
    gdb_test "p 10.0d+20 .GT. 10.0d+21" " = .FALSE."
    gdb_test "p 10.0E+20 .LT. 10.0E+21" " = .TRUE."
    gdb_test "p 10.0E+20 .GT. 10.0E+21" " = .FALSE."
    gdb_test "p 10.0e+20 .LT. 10.0e+21" " = .TRUE."
    gdb_test "p 10.0e+20 .GT. 10.0e+21" " = .FALSE."
    gdb_test "p 10.0D-11 .LT. 10.0D-10" " = .TRUE."
    gdb_test "p 10.0D-11 .GT. 10.0D-10" " = .FALSE."
    gdb_test "p 10.0d-11 .LT. 10.0d-10" " = .TRUE."
    gdb_test "p 10.0d-11 .GT. 10.0d-10" " = .FALSE."
    gdb_test "p 10.0E-11 .LT. 10.0E-10" " = .TRUE."
    gdb_test "p 10.0E-11 .GT. 10.0E-10" " = .FALSE."
    gdb_test "p 10.0e-11 .LT. 10.0e-10" " = .TRUE."
    gdb_test "p 10.0e-11 .GT. 10.0e-10" " = .FALSE."
}

proc test_convenience_variables {} {
    global gdb_prompt

    gdb_test "set \$foo = 101"  " = 101\[\r\n\]*" \
        "Set a new convenience variable"

    gdb_test "print \$foo"              " = 101" \
        "Print contents of new convenience variable"

    gdb_test "set \$foo = 301"  " = 301\[\r\n\]*" \
        "Set convenience variable to a new value"

    gdb_test "print \$foo"              " = 301" \
        "Print new contents of convenience variable"

    gdb_test "set \$_ = 11"             " = 11\[\r\n\]*" \
        "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"
}

proc test_arithmetic_expressions {} {
    global gdb_prompt

    # Test unary minus with various operands

#    gdb_test "p -(TRUE)"       " = -1" "unary minus applied to bool"
#    gdb_test "p -('a')"        " = xxx"        "unary minus applied to char"
    gdb_test "p -(1)"           " = -1" "unary minus applied to int"
    gdb_test "p -(1.0)" " = -1" "unary minus applied to real"

    # Test addition with various operands

    gdb_test "p .TRUE. + 1"     " = 2"  "bool plus int"
    gdb_test "p 1 + 1"          " = 2"  "int plus int"
    gdb_test "p 1.0 + 1"        " = 2"  "real plus int"
    gdb_test "p 1.0 + 2.0"      " = 3"  "real plus real"

    # Test subtraction with various operands

    gdb_test "p .TRUE. - 1"     " = 0"  "bool minus int"
    gdb_test "p 3 - 1"          " = 2"  "int minus int"
    gdb_test "p 3.0 - 1"        " = 2"  "real minus int"
    gdb_test "p 5.0 - 2.0"      " = 3"  "real minus real"

    # Test multiplication with various operands

    gdb_test "p .TRUE. * 1"     " = 1"  "bool times int"
    gdb_test "p 2 * 3"          " = 6"  "int times int"
    gdb_test "p 2.0 * 3"        " = 6"  "real times int"
    gdb_test "p 2.0 * 3.0"      " = 6"  "real times real"

    # Test division with various operands

    gdb_test "p .TRUE. / 1"     " = 1"  "bool divided by int"
    gdb_test "p 6 / 3"          " = 2"  "int divided by int"
    gdb_test "p 6.0 / 3"        " = 2"  "real divided by int"
    gdb_test "p 6.0 / 3.0"      " = 2"  "real divided by real"

    # Test modulo with various operands

}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

gdb_test "set print sevenbit-strings" ""

if [set_lang_fortran] then {
    test_value_history
    test_convenience_variables
    test_integer_literals_accepted
    test_integer_literals_rejected
    test_logical_literals_accepted
    test_character_literals_accepted
    test_float_literals_accepted
    test_arithmetic_expressions
} else {
    warning "$test_name tests suppressed." 0
}