gdb/testsuite/gdb.base/dfp-exprs.exp

# Copyright (C) 2007 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 3 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, see <http://www.gnu.org/licenses/>.

# This file was written by Wu Zhou. (woodzltc@cn.ibm.com)

# This file is part of the gdb testsuite.  It contains test for evaluating
# simple decimal floating point (DFP) expression.

if $tracelevel then {
	strace $tracelevel
}

proc test_dfp_literals_accepted {} {

    # Test various dfp values, covering 32-bit, 64-bit and 128-bit ones

    # _Decimal32 constants, which can support up to 7 digits
    gdb_test "p 1.2df" " = 1.2"
    gdb_test "p -1.2df" " = -1.2"
    gdb_test "p 1.234567df" " = 1.234567"
    gdb_test "p -1.234567df" " = -1.234567"
    gdb_test "p 1234567.df" " = 1234567"
    gdb_test "p -1234567.df" " = -1234567"

    gdb_test "p 1.2E1df" " = 12"
    gdb_test "p 1.2E10df" " = 1.2E\\+10"
    gdb_test "p 1.2E-10df" " = 1.2E-10"

    # The largest exponent for 32-bit dfp value is 96.
    gdb_test "p 1.2E96df" " = 1.200000E\\+96"

    # _Decimal64 constants, which can support up to 16 digits
    gdb_test "p 1.2dd" " = 1.2"
    gdb_test "p -1.2dd" " = -1.2"
    gdb_test "p 1.234567890123456dd" " = 1.234567890123456"
    gdb_test "p -1.234567890123456dd" " = -1.234567890123456"
    gdb_test "p 1234567890123456.dd" " = 1234567890123456"
    gdb_test "p -1234567890123456.dd" " = -1234567890123456"

    gdb_test "p 1.2E1dd" " = 12"
    gdb_test "p 1.2E10dd" " = 1.2E\\+10"
    gdb_test "p 1.2E-10dd" " = 1.2E-10"

    # The largest exponent for 64-bit dfp value is 384.
    gdb_test "p 1.2E384dd" " = 1.200000000000000E\\+384"

    # _Decimal128 constants, which can support up to 34 digits
    gdb_test "p 1.2dl" " = 1.2"
    gdb_test "p -1.2dl" " = -1.2"
    gdb_test "p 1.234567890123456789012345678901234dl" " = 1.234567890123456789012345678901234"
    gdb_test "p -1.234567890123456789012345678901234dl" " = -1.234567890123456789012345678901234"
    gdb_test "p 1234567890123456789012345678901234.dl" " = 1234567890123456789012345678901234"
    gdb_test "p -1234567890123456789012345678901234.dl" " = -1234567890123456789012345678901234"

    gdb_test "p 1.2E1dl" " = 12"
    gdb_test "p 1.2E10dl" " = 1.2E\\+10"
    gdb_test "p 1.2E-10dl" " = 1.2E-10"

    # The largest exponent for 128-bit dfp value is 6144.
    gdb_test "p 1.2E6144dl" " = 1.200000000000000000000000000000000E\\+6144"
}

proc test_dfp_arithmetic_expressions {} {

# Arithmetic operations for DFP types are not yet implemented in GDB.
# These tests are to verify that they will generate expected error messages.

   gdb_test "p 1.4df + 1.2df" "Argument to arithmetic operation not a number or boolean.*"
   gdb_test "p 1.4df - 1.2df" ".*Argument to arithmetic operation not a number or boolean.*"
   gdb_test "p 1.4df * 1.2df" "Argument to arithmetic operation not a number or boolean.*"
   gdb_test "p 1.4df / 1.2df" "Argument to arithmetic operation not a number or boolean.*"

}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

test_dfp_literals_accepted
test_dfp_arithmetic_expressions