#!/bin/bash

EXIT_CODE=0

run_test()
{
    echo -n " $1"
    out_tmp="$(mktemp)"
    ./ex24_iofunctions$1 < "$2" > "$out_tmp"
    diff_out="$(mktemp)"
    diff -u "$3" "$out_tmp" > "$diff_out"
    diff_count="$(cat "$diff_out" | wc -l)"
    if [[ "$?" == "0" ]] && [[ "$diff_count" == "0" ]]
    then
        echo " ... OK"
    else
        echo " ... FAIL"
        echo "    diff count => $diff_count"
        cat "$diff_out"
        EXIT_CODE=1
    fi
    rm -f "$2" "$out_tmp" "$diff_out"
}


tmp_01="$(mktemp)"
cat > "$tmp_01" <<EOF
2 8 n
EOF
expected_01="$(mktemp)"
cat > "$expected_01" <<EOF
Reading from stdin: <a:number> <b:number> <c:letter>
> Read in: a=2 b=8 c=n
EOF

tmp_02="$(mktemp)"
tmp_02in="$(mktemp)"
cat > "$tmp_02in" <<EOF
1 4 a
EOF
cat > "$tmp_02" <<EOF
$tmp_02in
EOF
expected_02="$(mktemp)"
cat > "$expected_02" <<EOF
Provide filename from which to inputs
> Reading from file: <a:number> <b:number> <c:letter>
Read in: a=1 b=4 c=a
EOF


run_test '01' "$tmp_01" "$expected_01"
run_test '02' "$tmp_02" "$expected_02"


exit $EXIT_CODE