Updated php_codesniffer dependency

Author: castarco

composer.json

@@ -21,7 +21,7 @@
 	},
 	"require-dev": {
 		"phpunit/phpunit": "3.7.*",
-		"squizlabs/php_codesniffer": "1.4.7",
+		"squizlabs/php_codesniffer": "1.5.1",
 		"satooshi/php-coveralls": "dev-master"
 	},
 	"minimum-stability": "stable",

tests/Litipk/BigNumbers/Decimal/DecimalSerializationTest.php

@@ -0,0 +1,21 @@
+<?php
+
+use Litipk\BigNumbers\Decimal as Decimal;
+
+class DecimalSerializationTest extends PHPUnit_Framework_TestCase
+{
+	public function testBaseCase ()
+	{
+		$one = Decimal::fromInteger(1);
+		$little = Decimal::fromString('0.0000000000001');
+
+		$serialized_one = serialize($one);
+		$unserialized_one = unserialize($serialized_one);
+
+		$serialized_little = serialize($little);
+		$unserialized_little = unserialize($serialized_little);
+
+		$this->assertTrue($one->equals($unserialized_one));
+		$this->assertTrue($little->equals($unserialized_little));
+	}
+}