binutils-gdb/gdb/testsuite/gdb.base/arithmet.exp

# Copyright (C) 1998 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 Elena Zannoni (ezannoni@cygnus.com)

# This file is part of the gdb testsuite
#
# tests for correctness of arithmetic operators, associativity and precedence
# with integer type variables
# 

if $tracelevel then {
	strace $tracelevel
	}

#
# test running programs
#
set prms_id 0
set bug_id 0

set testfile "int-type"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
    }

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}


#
# 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 "set variable x=14" "" "set variable x=14"
gdb_test "set variable y=2" "" "set variable y=2"
gdb_test "set variable z=2" "" "set variable z=2"
gdb_test "set variable w=3" "" "set variable w=3"

send_gdb "print x\n"
gdb_expect {
    -re ".*14.*$gdb_prompt $" {
        pass "print value of x"
      }
    -re ".*$gdb_prompt $" { fail "print value of x" }
    timeout           { fail "(timeout) print value of x" }    
  }


send_gdb "print y\n"
gdb_expect {
    -re ".*2.*$gdb_prompt $" {
        pass "print value of y"
      }
    -re ".*$gdb_prompt $" { fail "print value of y" }
    timeout           { fail "(timeout) print value of y" }    
  }

send_gdb "print z\n"
gdb_expect {
    -re ".*2.*$gdb_prompt $" {
        pass "print value of z"
      }
    -re ".*$gdb_prompt $" { fail "print value of z" }
    timeout           { fail "(timeout) print value of z" }    
  }

send_gdb "print w\n"
gdb_expect {
    -re ".*3.*$gdb_prompt $" {
        pass "print value of w"
      }
    -re ".*$gdb_prompt $" { fail "print value of w" }
    timeout           { fail "(timeout) print value of w" }    
  }



send_gdb "print x+y\n"
gdb_expect {
    -re ".*16.*$gdb_prompt $" {
        pass "print value of x+y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x+y" }
    timeout           { fail "(timeout) print value of x+y" }    
  }

send_gdb "print x-y\n"
gdb_expect {
    -re ".*12.*$gdb_prompt $" {
        pass "print value of x-y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x-y" }
    timeout           { fail "(timeout) print value of x-y" }    
  }

send_gdb "print x*y\n"
gdb_expect {
    -re ".*28.*$gdb_prompt $" {
        pass "print value of x*y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x*y" }
    timeout           { fail "(timeout) print value of x*y" }    
  }

send_gdb "print x/y\n"
gdb_expect {
    -re ".*7.*$gdb_prompt $" {
        pass "print value of x/y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x/y" }
    timeout           { fail "(timeout) print value of x/y" }    
  }

send_gdb "print x%y\n"
gdb_expect {
    -re ".*0.*$gdb_prompt $" {
        pass "print value of x%y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x%y" }
    timeout           { fail "(timeout) print value of x%y" }    
  }



# Test associativity of +, -, *, % ,/


send_gdb "print x+y+z\n"
gdb_expect {
    -re ".*18.*$gdb_prompt $" {
        pass "print value of x+y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x+y" }
    timeout           { fail "(timeout) print value of x+y" }    
  }

send_gdb "print x-y-z\n"
gdb_expect {
    -re ".*10.*$gdb_prompt $" {
        pass "print value of x-y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x-y" }
    timeout           { fail "(timeout) print value of x-y" }    
  }

send_gdb "print x*y*z\n"
gdb_expect {
    -re ".*56.*$gdb_prompt $" {
        pass "print value of x*y"
      }
    -re 8".*$gdb_prompt $" { fail "print value of x*y" }
    timeout           { fail "(timeout) print value of x*y" }    
  }

send_gdb "print x/y/z\n"
gdb_expect {
    -re ".*3.*$gdb_prompt $" {
        pass "print value of x/y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x/y" }
    timeout           { fail "(timeout) print value of x/y" }    
  }

send_gdb "print x%y%z\n"
gdb_expect {
    -re ".*0.*$gdb_prompt $" {
        pass "print value of x%y"
      }
    -re ".*$gdb_prompt $" { fail "print value of x%y" }
    timeout           { fail "(timeout) print value of x%y" }    
  }


# test precedence rules on pairs of arithmetic operators

gdb_test "set variable x=10" "" "set variable x"
gdb_test "set variable y=4" ""  "set variable y"
gdb_test "set variable z=2" ""  "set variable z"



# x  y z
# 10 4 2
send_gdb "print x+y-z\n"
gdb_expect {
    -re ".*12.*$gdb_prompt $" {
        pass "print value of x+y-z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x+y-z" }
    timeout           { fail "(timeout) print value of x+y-z" }    
  }

# 10 4 2
send_gdb "print x+y*z\n"
gdb_expect {
    -re ".*18.*$gdb_prompt $" {
        pass "print value of x+y*z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x+y*z" }
    timeout           { fail "(timeout) print value of x+y*z" }    
  }


gdb_test "set variable z=3" "" "set variable z"


# 10 4 3
send_gdb "print x+y%z\n"
gdb_expect {
    -re ".*11.*$gdb_prompt $" {
        pass "print value of x+y%z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x+y%z" }
    timeout           { fail "(timeout) print value of x+y%z" }    
  }


# 10 4 3
send_gdb "print x+y/z\n"
gdb_expect {
    -re ".*11.*$gdb_prompt $" {
        pass "print value of x+y/z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x+y/z" }
    timeout           { fail "(timeout) print value of x+y/z" }    
  }

gdb_test "set variable z=2" "" " set variable z"


# 10 4 2
send_gdb "print x-y*z\n"
gdb_expect {
    -re ".*2.*$gdb_prompt $" {
        pass "print value of x-y*z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x-y*z" }
    timeout           { fail "(timeout) print value of x-y*z" }    
  }

# 10 4 2
send_gdb "print x-y%z\n"
gdb_expect {
    -re ".*10.*$gdb_prompt $" {
        pass "print value of x-y%z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x-y%z" }
    timeout           { fail "(timeout) print value of x-y%z" }    
  }


# 10 4 2
send_gdb "print x-y/z\n"
gdb_expect {
    -re ".*8.*$gdb_prompt $" {
        pass "print value of x-y/z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x-y/z" }
    timeout           { fail "(timeout) print value of x-y/z" }    
  }

# 10 4 2
send_gdb "print x*y/z\n"
gdb_expect {
    -re ".*20.*$gdb_prompt $" {
        pass "print value of x*y/z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x*y/z" }
    timeout           { fail "(timeout) print value of x*y/z" }    
  }

gdb_test "set variable z=3" "" "set z to 3"

# 10 4 3
send_gdb "print x*y%z\n"
gdb_expect {
    -re ".*1.*$gdb_prompt $" {
        pass "print value of x*y%z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x*y%z" }
    timeout           { fail "(timeout) print value of x*y%z" }    
  }

# 10 4 3
send_gdb "print x/y%z\n"
gdb_expect {
    -re ".*2\r\n$gdb_prompt $" {
        pass "print value of x/y%z"
      }
    -re ".*$gdb_prompt $" { fail "print value of x/y%z" }
    timeout           { fail "(timeout) print value of x/y%z" }    
  }

        

# test use of parenthesis to enforce different order of evaluation

# 10 4 3 
send_gdb "print x-(y+z)\n"
gdb_expect {
    -re ".*3\r\n$gdb_prompt $" {
        pass "print value of x-(y+z)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x-(y+z)" }
    timeout           { fail "(timeout) print value of x-(y+z)" }    
  }


# 10 4 3
send_gdb "print x/(y*z)\n"
gdb_expect {
    -re ".*0\r\n$gdb_prompt $" {
        pass "print value of x/(y*z)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x/(y*z)" }
    timeout           { fail "(timeout) print value of x/(y*z)" }    
  }

# 10 4 3
send_gdb "print x-(y/z)\n"
gdb_expect {
    -re ".*9\r\n$gdb_prompt $" {
        pass "print value of x-(y/z)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x-(y/z)" }
    timeout           { fail "(timeout) print value of x-(y/z)" }    
  }


# 10 4 3
send_gdb "print (x+y)*z\n"
gdb_expect {
    -re ".*42\r\n$gdb_prompt $" {
        pass "print value of (x+y)*z"
      }
    -re ".*$gdb_prompt $" { fail "print value of (x+y)*z" }
    timeout           { fail "(timeout) print value of (x+y)*z" }    
  }