MAX_SINT="2147483647"
MIN_SINT="-2147483648"

(( FAIL = 0 ))
(( PASS = 0 ))


run_test () {
  echo "Running $1"
  `$1 &>/dev/null`
  if [ $? -eq 1 ]; then
    echo "Failed"
    (( FAIL++ ))
  else
    echo "Passed"
    (( PASS++ ))
  fi
}

################################################################################
#Integer Add                                                                   #
################################################################################

#Test random add
run_test "./math-int add 1 2 3"
#Same as above with arguments reversed
run_test "./math-int add 2 1 3"
#Test negative plus positive
run_test "./math-int add -5 10 5"
#Test negative plus negative
run_test "./math-int add -1 -4 -5"

################################################################################
#Integer Multiply                                                              #
################################################################################

#Test random multiply
run_test "./math-int mul 4 5 20"
#Test multiply by 0
run_test "./math-int mul 8 0 0"
#Test multiply negative by positive
run_test "./math-int mul -3 8 -24"
#Test multiply negative by negative
run_test "./math-int mul -12 -6 72"

################################################################################
#Integer divide                                                                #
################################################################################

#Test even divide
run_test "./math-int div 20 5 4"
#Test divide with remainder
run_test "./math-int div 23 5 4"
#Test divide by 1
run_test "./math-int div 30 1 30"
#Test divide by -1
run_test "./math-int div 57 -1 -57"
#Test divide by a negative number
run_test "./math-int div 10 -2 -5"
#Test divide by a negative number with remainder
run_test "./math-int div 17 -3 -5"
#Test divide a negative number
run_test "./math-int div -28 2 -14"
#Test divide a negative number with remainder
run_test "./math-int div -8 3 -2"
#Two negative args
run_test "./math-int div -25 -5 5"
#Two nefative args with remainder
run_test "./math-int div -24 -5 4"

################################################################################
#Integer Modulo                                                                #
################################################################################

#Test Modulo is zero
run_test "./math-int mod 18 6 0"
#Test Modulo is non-zero
run_test "./math-int mod 59 12 11"
#Test arg0 negative modulo is zero
run_test "./math-int mod -20 5 0"
#Test arg0 negative modulo is non-zero (In the real world -18 % 5 = 2)
run_test "./math-int mod -18 5 -3"
#Test arg1 negative modulo is zero
run_test "./math-int mod 50 -10 0"
#Test arg1 negative modulo is non-zero (In the real world 16 % -3 = -2)
run_test "./math-int mod 16 -3 1"
#Test arg1 = MAX_SINT
run_test "./math-int mod ${MAX_SINT} 12345 9172"
#Test arg1 = MIN_SINT (In the real world MIN_SING % 476 = 348)
run_test "./math-int mod ${MIN_SINT} 476 -128"
#Test arg0 < arg1
run_test "./math-int mod 10 20 10"

#Test division paths with a constant divisor that are optimized with shifts
#(The second argument to these tests is ignored)
#Constant non-power of two divisor, modulo is zero
run_test "./math-int mod_nine 18 9 0"
#Constant non-power of two divisor, modulo is non-zero
run_test "./math-int mod_nine 23 9 5"
#Constant power of two divisor, modulo is zero
run_test "./math-int mod_four 20 4 0"
#Constant power of two divisor, modulo is non-zero
run_test "./math-int mod_four 5 4 1"

echo "$PASS passes, $FAIL fails"