logical.exp   [plain text]

# Copyright 1998, 1999 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 correctenss of logical 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."
    }

if [get_compiler_info ${binfile}] {
    return -1;
}

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=0" "" "set variable x=0"
gdb_test "set variable y=0" "" "set variable y=0"
gdb_test "set variable z=0" "" "set variable z=0"

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


# truth tables for && , || , !  

send_gdb "print x && y\n"
gdb_expect {
    -re ".*$false.*$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 ".*$false.*$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\n"
gdb_expect {
    -re ".*$true.*$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" }    
  }

gdb_test "set variable y=1" "" "set variable y=1"

send_gdb "print x && y\n"
gdb_expect {
    -re ".*$false.*$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 ".*$true.*$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" }    
  }

gdb_test "set variable x=1" "" "set variable x=1"

send_gdb "print x && y\n"
gdb_expect {
    -re ".*$true.*$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 ".*$true.*$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\n"
gdb_expect {
    -re ".*$false.*$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" }    
  }

gdb_test "set variable y=0" "" "set variable y=0"

send_gdb "print x && y\n"
gdb_expect {
    -re ".*$false.*$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 ".*$true.*$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" }    
  }


# end truth tables for &&, ||, !


# test associativity of && , || , !

gdb_test "set variable x=0" "" "set variable x=0"
gdb_test "set variable y=0" "" "set variable y=0"
gdb_test "set variable z=0" "" "set variable z=0"

send_gdb "print x && y && z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x &&  y && z (000)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x && y && z (000) " }
    timeout           { fail "(timeout) print value of x && y && z (000) " }    
  }

send_gdb "print x || y || z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x || y || z (000)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x || y || z (000)" }
    timeout           { fail "(timeout) print value of x || y || z (000) " }    
  }

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


gdb_test "set variable y=1" "" "set variable y=1"

send_gdb "print x && y && z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x &&  y && z (010)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x && y && z (010) " }
    timeout           { fail "(timeout) print value of x && y && z (010) " }    
  }

send_gdb "print x || y || z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y || z (010)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x || y || z (010)" }
    timeout           { fail "(timeout) print value of x || y || z (010) " }    
  }


gdb_test "set variable z=1" "" "set variable z=1"

send_gdb "print x && y && z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x &&  y && z (011)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x && y && z (011) " }
    timeout           { fail "(timeout) print value of x && y && z (011) " }    
  }

send_gdb "print x || y || z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y || z (011)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x || y || z (011)" }
    timeout           { fail "(timeout) print value of x || y || z (011) " }    
  }


gdb_test "set variable x=1" "" "set variable x=1"

send_gdb "print x && y && z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x &&  y && z (111)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x && y && z (111) " }
    timeout           { fail "(timeout) print value of x && y && z (111) " }    
  }

send_gdb "print x || y || z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y || z (111)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x || y || z (111)" }
    timeout           { fail "(timeout) print value of x || y || z (111) " }    
  }

send_gdb "print !!x\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of !!x (1)"
      }
    -re ".*$gdb_prompt $" { fail "print value of !!x (1)" }
    timeout           { fail "(timeout) print value of !!x (1) " }    
  }


gdb_test "set variable z=0" "" "set variable z=0"

send_gdb "print x && y && z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x &&  y && z (110)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x && y && z (110) " }
    timeout           { fail "(timeout) print value of x && y && z (110) " }    
  }

send_gdb "print x || y || z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y || z (110)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x || y || z (110)" }
    timeout           { fail "(timeout) print value of x || y || z (110) " }    
  }




gdb_test "set variable y=0" "" "set variable y=0"

send_gdb "print x && y && z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x &&  y && z (100)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x && y && z (100) " }
    timeout           { fail "(timeout) print value of x && y && z (100) " }    
  }

send_gdb "print x || y || z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y || z (100)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x || y || z (100)" }
    timeout           { fail "(timeout) print value of x || y || z (100) " }    
  }




gdb_test "set variable z=1" "" "set variable z=1"

send_gdb "print x && y && z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x &&  y && z (101)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x && y && z (101) " }
    timeout           { fail "(timeout) print value of x && y && z (101) " }    
  }

send_gdb "print x || y || z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y || z (101)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x || y || z (101)" }
    timeout           { fail "(timeout) print value of x || y || z (101) " }    
  }


gdb_test "set variable x=0" "" "set variable x=0"

send_gdb "print x && y && z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x &&  y && z (001)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x && y && z (001) " }
    timeout           { fail "(timeout) print value of x && y && z (001) " }    
  }

send_gdb "print x || y || z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y || z (001)"
      }
    -re ".*$gdb_prompt $" { fail "print value of x || y || z (001)" }
    timeout           { fail "(timeout) print value of x || y || z (001) " }    
  }




# test precedence of &&, || ,! 


send_gdb "print !x && y\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of !x && y  (00)"
      }
    -re ".*$gdb_prompt $" { fail "print value of  !x && y (00)" }
    timeout           { fail "(timeout) print value of !x && y (00) " }    
  }


gdb_test "set variable x=1" "" "set variable x=1"


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




gdb_test "set variable y=1" "" "set variable y=1"

send_gdb "print !x || y\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of !x || y  (11)"
      }
    -re ".*$gdb_prompt $" { fail "print value of  !x || y (11)" }
    timeout           { fail "(timeout) print value of !x || y (11) " }    
  }


gdb_test "set variable x=0" "" "set variable x=0"


send_gdb "print !x || y\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of !x || y  (01)"
      }
    -re ".*$gdb_prompt $" { fail "print value of  !x || y (01)" }
    timeout           { fail "(timeout) print value of !x || y (01) " }    
  }



gdb_test "set variable x=1" "" "set variable x=1"
gdb_test "set variable z=0" "" "set variable z=0"

send_gdb "print x || y && z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y && z  (110)"
      }
    -re ".*$gdb_prompt $" { fail "print value of  x || y && z (110)" }
    timeout           { fail "(timeout) print value of x || y && z (110) " }    
  }


gdb_test "set variable y=0" "" "set variable y=0"


send_gdb "print x || y && z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x || y && z (100)"
      }
    -re ".*$gdb_prompt $" { fail "print value of  x || y && z (100)" }
    timeout           { fail "(timeout) print value of x || y && z (100) " }    
  }



gdb_test "set variable x=0" "" "set variable x=0"

send_gdb "print x || !y && z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        
         gdb_test "set variable x=1" "" "set variable x=1"
         send_gdb "print x || !y && z\n"
         gdb_expect {
             -re ".*$true.*$gdb_prompt $" {
                  pass "print value of x || !y && z "
             }
             -re ".*$gdb_prompt $" { fail "print value of  x || !y && z" }
             timeout           { fail "(timeout) print value of x || !y && z " }    
           }
    }       
    -re ".*$gdb_prompt $" { fail "print value of  x || y && z " }
    timeout           { fail "(timeout) print value of x || y && z " }    
 }





gdb_test "set variable x=1" "" "set variable x=1"
gdb_test "set variable y=2" "" "set variable y=2"
gdb_test "set variable w=3" "" "set variable w=3"
gdb_test "set variable z=3" "" "set variable z=3"


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


gdb_test "set variable x=1" "" "set variable x=1"
gdb_test "set variable y=2" "" "set variable y=2"
gdb_test "set variable w=1" "" "set variable w=1"
gdb_test "set variable z=3" "" "set variable z=3"


send_gdb "print x >= y && w != z\n"
gdb_expect {
    -re ".*$false.*$gdb_prompt $" {
        pass "print value of x >= y || w != z"
      }
    -re ".*$gdb_prompt $" { fail "print value of  x >= y || w != z" }
    timeout           { fail "(timeout) print value of x >= y || w != z " }    
  }



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


send_gdb "print ! x > y || w + z\n"
gdb_expect {
    -re ".*$true.*$gdb_prompt $" {
        pass "print value of x > y || w != z"
      }
    -re ".*$gdb_prompt $" { fail "print value of  x > y || w != z" }
    timeout           { fail "(timeout) print value of x > y || w != z " }    
  }