#!/bin/sh

# Every test file must start with a line formatted as follows:
#   #:<exit code>:<additional makel command line options>

set -e
exec >&2

exit2str () {
    if test $1 = 0; then
        printf '%s\n' 'all good'
    else
        sed -n 's/^ *#define *EXIT_\([^ ]*\) *'"$1"' *$/ (\1)/p' < common.h | tr '[A-Z]' '[a-z]'
    fi
}

nfails=0

for f in tests/*.mk; do
    header="$(head -n 1 < "$f")"
    expected=$(printf '%s' "$header" | cut -d : -f 2)
    options="$(printf '%s' "$header" | cut -d : -f 3-)"

    set +e
    ./makel -f "$f" $options >/dev/null 2>/dev/null
    got=$?
    set -e

    expstr="$(exit2str $expected)"
    gotstr="$(exit2str $got)"

    if test $got -lt $expected; then
        printf '%s: %s\n' "$f" "defect was not detected (expected ${expected}${expstr}, got ${got}${gotstr})"
        : $(( nfails++ ))
    elif test $got -gt $expected; then
        printf '%s: %s\n' "$f" "found more serious defects than expected (expected ${expected}${expstr}, got ${got}${gotstr})"
        : $(( nfails++ ))
    fi
done

if test $nfails -gt 0; then
    printf '%s\n' '----------'
    printf '%s\n' "${nfails} tests returned different exit codes than expected."
    exit 1
fi