Subversion Repositories openrisc_2011-10-31

# Copyright 1998, 1999, 2007, 2008, 2009, 2010 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 .

# This file was written by Elena Zannoni (ezannoni@cygnus.com)

# This file is part of the gdb testsuite

#

# tests for correctenss of relational operators, associativity and precedence

# with integer type variables

#

if $tracelevel then {

        strace $tracelevel

        }

#

# test running programs

#

if { [prepare_for_testing relational.exp relational int-type.c {debug nowarnings}] } {

    return -1

}

if [get_compiler_info not-used] {

    return -1;

}

#

# set it up at a breakpoint so we can play with the variable values

#

if ![runto_main] then {

    perror "couldn't run to breakpoint"

    continue

}

#

# test expressions with "int" types

#

gdb_test_no_output "set variable x=14" "set variable x=14"

gdb_test_no_output "set variable y=2" "set variable y=2"

gdb_test_no_output "set variable z=2" "set variable z=2"

gdb_test_no_output "set variable w=3" "set variable w=3"

gdb_test "print x" " = 14" "print value of x"

gdb_test "print y" " = 2" "print value of y"

gdb_test "print z" " = 2" "print value of z"

gdb_test "print w" " = 3" "print value of w"

gdb_test "print x < y" "$false" "print value of x

gdb_test "print x <= y" "$false" "print value of x<=y"

gdb_test "print x > y" "$true" "print value of x>y"

gdb_test "print x >= y" "$true" "print value of x>=y"

gdb_test "print x == y" "$false" "print value of x==y"

gdb_test "print x != y" "$true" "print value of x!=y"

# Test associativity of <, >, <=, >=, ==, !=

gdb_test_no_output "set variable x=3" "set variable x"

gdb_test_no_output "set variable y=5" "set variable y"

gdb_test_no_output "set variable z=2" "set variable z"

gdb_test "print x < y < z" "$true" "print value of x

gdb_test "print x <= y <= z" "$true" "print value of x<=y<=z"

gdb_test "print x > y > z" "$false" "print value of x>y>z"

gdb_test "print x >= y >= z" "$false" "print value of x>=y>=z"

gdb_test_no_output "set variable x=2" "set variable x"

gdb_test_no_output "set variable y=2" "set variable y"

gdb_test_no_output "set variable z=1" "set variable z"

gdb_test "print x == y == z" "$true" "print value of x==y==z"

gdb_test_no_output "set variable z=0" "set variable z"

gdb_test "print x != y != z" "$false" "print value of x!=y!=z"

# test precedence rules on pairs of relational operators

gdb_test_no_output "set variable x=0" "set variable x"

gdb_test_no_output "set variable y=2" "set variable y"

gdb_test_no_output "set variable z=2" "set variable z"

gdb_test "print x < y == z" "$false" "print value of x

# 0  2  2

gdb_test "print x < y != z" "$true" "print value of x

gdb_test_no_output "set variable x=2" "set variable x"

gdb_test_no_output "set variable y=3" "set variable y"

gdb_test_no_output "set variable z=1" "set variable z"

# 2 3 1

gdb_test "print x < y <= z" "$true" "print value of x

# 2 3 1

gdb_test "print x < y >= z" "$true" "print value of x=z"

gdb_test_no_output "set variable z=0" " set variable z"

# 2 3 0

gdb_test "print x < y > z" "$true" "print value of xz"

gdb_test_no_output "set variable x=1" " set variable x"

# 1 3 0

gdb_test "print x > y >= z" "$true" "print value of x>y>=z"

gdb_test_no_output "set variable z=2" " set variable z"

# 1 3 2

gdb_test "print x > y == z" "$false" "print value of x>y==z"

gdb_test_no_output "set variable x=2" " set variable x"

gdb_test_no_output "set variable z=0" " set variable z"

# 2 3 0

gdb_test "print x > y != z" "$false" "print value of x>y!=z"

gdb_test_no_output "set variable x=4" "set x to 4"

# 4 3 0

gdb_test "print x > y <= z" "$false" "print value of x>y<=z"

# 4 3 0

gdb_test "print x >= y == z" "$false" "print value of x>=y==z"

gdb_test_no_output "set variable x=2" " set variable x"

# 2 3 0

gdb_test "print x >= y != z" "$false" "print value of x>=y!=z"

gdb_test_no_output "set variable x=0" " set variable x"

gdb_test_no_output "set variable z=4" " set variable z"

# 0 3 4

gdb_test "print x >= y <= z" "$true" "print value of x>=y<=z"

# 0 3 4

gdb_test "print x <= y == z" "$false" "print value of x<=y==z"

gdb_test_no_output "set variable x=2" " set variable x"

# 2 3 4

gdb_test "print x <= y != z" "$true" "print value of x<=y!=z"

# 2 3 4

gdb_test "print x == y != z" "$true" "print value of x==y!=z"

# test use of parenthesis to enforce different order of evaluation

gdb_test_no_output "set variable z=0" " set variable z"

# 2 3 0

gdb_test "print x >= (y < z)" "$true" "print value of x>=(y

# 2 3 0

gdb_test "print x >= (y != z)" "$true" "print value of x>=(y!=z)"

# 2 3 0

gdb_test "print x == (y == z)" "$false" "print value of x==(y==z)"

gdb_test_no_output "set variable x=1" " set variable x"

gdb_test_no_output "set variable z=4" " set variable z"

# 1 3 4

gdb_test "print (x == y) < z" "$true" "print value of (x==y)