// Author:  cirakg & claude ai
// Summary: Small helpers shared by the Monkey C unit tests (reading vector rows, reporting mismatches).

import Toybox.Lang;
import Toybox.Test;

(:test)
module TestSupport {

    // One row of a TestVectors table.
    function row(table as Array, index as Number) as Array {
        return table[index] as Array;
    }

    function str(r as Array, column as Number) as String {
        return r[column] as String;
    }

    function bytes(r as Array, column as Number) as ByteArray {
        return Bytes.fromHex(r[column] as String);
    }

    function num(r as Array, column as Number) as Number {
        return r[column] as Number;
    }

    // Numbers above 2^31 are stored as Long literals in the tables.
    function long(r as Array, column as Number) as Long {
        return (r[column] as Number or Long).toLong();
    }

    function alg(r as Array, column as Number) as Hashes.Algorithm {
        return r[column] as Hashes.Algorithm;
    }

    // Compare bytes; log both sides on mismatch. Returns true when equal.
    function sameBytes(logger as Test.Logger, what as String, actual as ByteArray, expected as ByteArray) as Boolean {
        if (Bytes.equal(actual, expected)) {
            return true;
        }
        logger.error(what + ": got " + Bytes.toHex(actual) + ", expected " + Bytes.toHex(expected));
        return false;
    }

    // Compare strings; log both sides on mismatch.
    function sameString(logger as Test.Logger, what as String, actual as String, expected as String) as Boolean {
        if (actual.equals(expected)) {
            return true;
        }
        logger.error(what + ": got '" + actual + "', expected '" + expected + "'");
        return false;
    }
}