ACP2E-2134: VAT calculation wrong - price limited to 100,000,000 maximum based on currency

Author: viktym

app/code/Magento/Quote/etc/db_schema.xml

@@ -244,11 +244,11 @@
                 comment="Weight"/>
         <column xsi:type="decimal" name="qty" scale="4" precision="12" unsigned="false" nullable="false" default="0"
                 comment="Qty"/>
-        <column xsi:type="decimal" name="price" scale="4" precision="12" unsigned="false" nullable="false" default="0"
+        <column xsi:type="decimal" name="price" scale="4" precision="20" unsigned="false" nullable="false" default="0"
                 comment="Price"/>
-        <column xsi:type="decimal" name="base_price" scale="4" precision="12" unsigned="false" nullable="false"
+        <column xsi:type="decimal" name="base_price" scale="4" precision="20" unsigned="false" nullable="false"
                 default="0" comment="Base Price"/>
-        <column xsi:type="decimal" name="custom_price" scale="4" precision="12" unsigned="false" nullable="true"
+        <column xsi:type="decimal" name="custom_price" scale="4" precision="20" unsigned="false" nullable="true"
                 comment="Custom Price"/>
         <column xsi:type="decimal" name="discount_percent" scale="4" precision="12" unsigned="false" nullable="true"
                 default="0" comment="Discount Percent"/>

dev/tests/integration/testsuite/Magento/Quote/Model/QuoteTest.php

@@ -8,6 +8,7 @@
 namespace Magento\Quote\Model;
 
 use Magento\Catalog\Api\ProductRepositoryInterface;
+use Magento\Catalog\Test\Fixture\Product as ProductFixture;
 use Magento\Checkout\Model\Session as CheckoutSession;
 use Magento\Customer\Api\CustomerRepositoryInterface;
 use Magento\Customer\Api\Data\CustomerInterface;
@@ -25,6 +26,11 @@
 use Magento\Quote\Api\Data\CartInterface;
 use Magento\Quote\Api\Data\CartItemInterface;
 use Magento\Quote\Api\Data\CartItemInterfaceFactory;
+use Magento\Quote\Test\Fixture\AddProductToCart as AddProductToCartFixture;
+use Magento\Quote\Test\Fixture\GuestCart as GuestCartFixture;
+use Magento\TestFramework\Fixture\DataFixture;
+use Magento\TestFramework\Fixture\DataFixtureStorage;
+use Magento\TestFramework\Fixture\DataFixtureStorageManager;
 use Magento\TestFramework\Helper\Bootstrap;
 use Magento\TestFramework\Quote\Model\GetQuoteByReservedOrderId;
 use PHPUnit\Framework\TestCase;
@@ -81,6 +87,11 @@ class QuoteTest extends TestCase
     /** @var ExtensibleDataObjectConverter */
     private $extensibleDataObjectConverter;
 
+    /**
+     * @var DataFixtureStorage
+     */
+    private $fixtures;
+
     /**
      * @inheritdoc
      */
@@ -102,6 +113,7 @@ protected function setUp(): void
         $this->customerResourceModel = $this->objectManager->get(CustomerResourceModel::class);
         $this->groupFactory = $this->objectManager->get(GroupFactory::class);
         $this->extensibleDataObjectConverter = $this->objectManager->get(ExtensibleDataObjectConverter::class);
+        $this->fixtures = $this->objectManager->get(DataFixtureStorageManager::class)->getStorage();
     }
 
     /**
@@ -809,4 +821,23 @@ public function testIsMultiShippingModeEnabledAfterQuoteItemRemoved(): void
             );
         }
     }
+
+    #[
+        DataFixture(ProductFixture::class, ['price' => 922903400.00], as: 'product'),
+        DataFixture(GuestCartFixture::class, as: 'cart'),
+        DataFixture(
+            AddProductToCartFixture::class,
+            ['cart_id' => '$cart.id$', 'product_id' => '$product.id$', 'qty' => 1]
+        ),
+    ]
+    public function testQuoteItemWithPriceGreaterThan100Millions()
+    {
+        $product = $this->fixtures->get('product');
+        $cart = $this->fixtures->get('cart');
+        $item = $cart->getItemsCollection(false)->fetchItem();
+        $this->assertEquals(
+            round((float)$product->getPrice(), 2),
+            round((float)$item->getPrice(), 2)
+        );
+    }
 }