useGross example

return CartPrice::TAX_STATE_FREE;
        }

        $country = $context->getShippingLocation()->getCountry();

        $isReachedCustomerTaxFreeAmount = $country->getCustomerTax()->getEnabled() && $this->isReachedCountryTaxFreeAmount($context, $country, $cartNetAmount);
        $isReachedCompanyTaxFreeAmount = $this->taxDetector->isCompanyTaxFree($context, $country) && $this->isReachedCountryTaxFreeAmount($context, $country, $cartNetAmount, CountryDefinition::TYPE_COMPANY_TAX_FREE);
        if ($isReachedCustomerTaxFreeAmount || $isReachedCompanyTaxFreeAmount) {
            return CartPrice::TAX_STATE_FREE;
        }

        if ($this->taxDetector->useGross($context)) {
            return CartPrice::TAX_STATE_GROSS;
        }

        return CartPrice::TAX_STATE_NET;
    }

    /** * @param array<string, string> $timestamps */
    private function updated(Cart $cart, array $timestamps): bool
    {
        

        return $this->isCompanyTaxFree($context, $shippingLocationCountry);
    }

    public function getTaxState(SalesChannelContext $context): string
    {
        if ($this->isNetDelivery($context)) {
            return CartPrice::TAX_STATE_FREE;
        }

        if ($this->useGross($context)) {
            return CartPrice::TAX_STATE_GROSS;
        }

        return CartPrice::TAX_STATE_NET;
    }

    public function isCompanyTaxFree(SalesChannelContext $context, CountryEntity $shippingLocationCountry): bool
    {
        $customer = $context->getCustomer();

        $countryCompanyTaxFree = $shippingLocationCountry->getCompanyTax()->getEnabled();

        

    use IntegrationTestBehaviour;

    public function testUseGrossPrices(): void
    {
        $context = $this->createMock(SalesChannelContext::class);
        $customerGroup = new CustomerGroupEntity();
        $customerGroup->setDisplayGross(true);
        $context->expects(static::once())->method('getCurrentCustomerGroup')->willReturn($customerGroup);

        $detector = $this->getContainer()->get(TaxDetector::class);
        static::assertTrue($detector->useGross($context));
    }

    public function testDoNotUseGrossPrices(): void
    {
        $context = $this->createMock(SalesChannelContext::class);
        $customerGroup = new CustomerGroupEntity();
        $customerGroup->setDisplayGross(false);
        $context->expects(static::once())->method('getCurrentCustomerGroup')->willReturn($customerGroup);

        $detector = $this->getContainer()->get(TaxDetector::class);
        static::assertFalse($detector->useGross($context));
    }