#!/bin/bash
PASSES=0
FAILS=0

pass() {
        echo "$1 test PASSED"
        ((PASSES++))
}

fail() {
        echo "$1 test FAILED"
        ((FAILS++))
}

check() {
        local output=$(./pebblisp "$2")
        if [ "$output" == "$3" ]; then
                pass $1
        else
                fail $1
                echo "  Expected '$3' but received '$output'"
        fi
}

check "PlainRet" "5" "5"
echo ""
check "Addition" "(+ 1093 102852)" "103945"
check "Multiply" "(*1000 10000)" "10000000"
check "Division" "(/ 6418425 65)" "98745"
echo ""
check "ChainAdd" "(+ 3917 17304 1293844 400 100000)" "1415465"
check "ChainMul" "(* 8263 23 123)" "23376027"
check "ChainDiv" "(/ 1493856 741 96 7)" "3"
echo ""
check "ListAddi" "(+ 5 (1 2 3 (+ 10 10)))" "( 6 7 8 25 )"
check "ListModu" "(% 5 (1 2 3 (* 11 11)))" "( 1 2 3 1 )"
check "ListsMul" "(* (10 20 30) (1 20 300))" "( 10 400 9000 )"
echo ""
check "GratrThn" "(> 23847123 19375933)" "T"
check "LessThan" "(< 23847123 19375933)" "F"
check "Equality" "(= 987654321 987654321 )" "T"
echo ""
check "IfReturn" "(if (T) 123456789 987654321)" "123456789"
check "IfRetTwo" "(if F 123456789 987654321)" "987654321"
check "EmptyCnd" "(if () T F)" "F"
# check "EtyLstLt" "(if (()) T F)" "T"
echo ""
check "RegLists" "(1 2 3 4 5)" "( 1 2 3 4 5 )"
check "EmptyLst" "()" "( )"
check "EmptLst2" "(                     )" "( )"
echo ""
check "DenseSpc" "(+1093 102852)" "103945"
check "WideSpac" "(     +     1093      102852       )" "103945"
check "VWidwSpc" "       (     +     1093      102852       )       " "103945"
echo ""
check "DemoFunc" "(spent 68)" "Tip: \$13.60"

echo ""

if [ "$FAILS" -ne "0" ]; then
        echo "$FAILS Tests Failed"
else
        echo "$FAILS Tests Failed"
fi

echo "$PASSES Tests Passed"