TEST _tax_uniqueness_test(void)
{
    s32 country_count = country::get_count();

    for (s32 i = 0; i < country_count; i++)
    {
        tax_rate* trb1 = (tax_rate*)memops::alloc(sizeof(tax_rate) * 500);
        u32 trc1 = country::get_available_tax_rates(country::get_code_by_index(i), trb1, 500);

        // check for duplicates in country.
        for (u32 x1 = 0; x1 < trc1; x1++)
        {
            for (u32 x2 = 0; x2 < trc1; x2++)
            {
                if (x1 == x2) continue;
                if (strops::equals(trb1[x1].internal_code, trb1[x2].internal_code)) {
                    FAIL();
                }
            }
        }

        // cross check with other countries.
        for (s32 x = 0; x < country_count; x++)
        {
            if (x==i) continue;
            tax_rate* trb2 = (tax_rate*)memops::alloc(sizeof(tax_rate) * 500);
            u32 trc2 = country::get_available_tax_rates(country::get_code_by_index(x), trb2, 500);

            for (u32 x1 = 0; x1 < trc1; x1++)
            {
                for (u32 x2 = 0; x2 < trc2; x2++)
                {
                    if (strops::equals(trb1[x1].internal_code, trb2[x2].internal_code)) {
                        FAIL();
                    }
                }
            }
        }
    }

    PASS();
}

SUITE(tax_generic_tests) {
    RUN_TEST(_tax_uniqueness_test);
}