diff --git a/Tests/RadixConverterTest.php b/Tests/RadixConverterTest.php
deleted file mode 100644
index 885056a..0000000
--- a/Tests/RadixConverterTest.php
+++ /dev/null
@@ -1,339 +0,0 @@
-<?php
-/**
- * Volcanus libraries for PHP
- *
- * @copyright 2011-2013 k-holy <k.holy74@gmail.com>
- * @license The MIT License (MIT)
- */
-namespace Volcanus\RadixConverter\Tests;
-
-use Volcanus\RadixConverter\RadixConverter;
-
-/**
- * RadixConverterTest
- *
- * @author k.holy74@gmail.com
- */
-class RadixConverterTest extends \PHPUnit_Framework_TestCase
-{
-
-	public function setUp()
-	{
-		$this->converter = new RadixConverter();
-	}
-
-	public function testValueForEncode()
-	{
-		$this->converter->value(99);
-		$this->assertEquals(99, $this->converter->value());
-	}
-
-	public function testValueForDecode()
-	{
-		$this->converter->value('ABC');
-		$this->assertEquals('ABC', $this->converter->value());
-	}
-
-	public function testEncode()
-	{
-		$this->assertEquals('0', $this->converter->encode(0)->value());
-		$this->assertEquals('1', $this->converter->encode(1)->value());
-		$this->assertEquals('a', $this->converter->encode(10)->value());
-		$this->assertEquals('10', $this->converter->encode(62)->value());
-		$this->assertEquals('47', $this->converter->encode(255)->value());
-		$this->assertEquals('h31', $this->converter->encode(65535)->value());
-		$this->assertEquals('2lkCB1', $this->converter->encode(2147483647)->value());
-	}
-
-	public function testDecode()
-	{
-		$this->assertEquals(0, $this->converter->decode('0')->value());
-		$this->assertEquals(1, $this->converter->decode('1')->value());
-		$this->assertEquals(10, $this->converter->decode('a')->value());
-		$this->assertEquals(62, $this->converter->decode('10')->value());
-		$this->assertEquals(255, $this->converter->decode('47')->value());
-		$this->assertEquals(65535, $this->converter->decode('h31')->value());
-		$this->assertEquals(2147483647, $this->converter->decode('2lkCB1')->value());
-	}
-
-	public function testEncodeByCallStatic()
-	{
-		$this->assertEquals('0', RadixConverter::encode(0));
-		$this->assertEquals('1', RadixConverter::encode(1));
-		$this->assertEquals('a', RadixConverter::encode(10));
-		$this->assertEquals('10', RadixConverter::encode(62));
-		$this->assertEquals('47', RadixConverter::encode(255));
-		$this->assertEquals('h31', RadixConverter::encode(65535));
-		$this->assertEquals('2lkCB1', RadixConverter::encode(2147483647));
-	}
-
-	public function testDecodeByCallStatic()
-	{
-		$this->assertEquals(0, RadixConverter::decode('0'));
-		$this->assertEquals(1, RadixConverter::decode('1'));
-		$this->assertEquals(10, RadixConverter::decode('a'));
-		$this->assertEquals(62, RadixConverter::decode('10'));
-		$this->assertEquals(255, RadixConverter::decode('47'));
-		$this->assertEquals(65535, RadixConverter::decode('h31'));
-		$this->assertEquals(2147483647, RadixConverter::decode('2lkCB1'));
-	}
-
-	/**
-	 * @requires extension bcmath
-	 */
-	public function testEncodeAcceptLongOn32Bit()
-	{
-		$this->converter->config('acceptLong', true);
-		$this->assertEquals('2lkCB2', $this->converter->encode('2147483648')->value());
-	}
-
-	/**
-	 * @requires extension bcmath
-	 */
-	public function testDecodeAcceptLongOn32Bit()
-	{
-		$this->converter->config('acceptLong', true);
-		$this->assertEquals('2147483648', $this->converter->decode('2lkCB2')->value());
-	}
-
-	/**
-	 * @requires extension bcmath
-	 */
-	public function testEncodeAcceptLongOn64Bit()
-	{
-		$this->converter->config('acceptLong', true);
-		$this->assertEquals('aZl8N0y58M8', $this->converter->encode('9223372036854775808')->value());
-	}
-
-	/**
-	 * @requires extension bcmath
-	 */
-	public function testDecodeAcceptLongOn64Bit()
-	{
-		$this->converter->config('acceptLong', true);
-		$this->assertEquals('9223372036854775808', $this->converter->decode('aZl8N0y58M8')->value());
-	}
-
-	/**
-	 * @expectedException \InvalidArgumentException
-	 */
-	public function testRaiseExceptionWhenNotAcceptLong()
-	{
-		$this->converter->config('acceptLong', false)->encode(strval(PHP_INT_MAX + 1));
-	}
-
-	public function testToString()
-	{
-		$this->assertEquals('10', (string)$this->converter->encode(62));
-		$this->assertEquals('62', (string)$this->converter->decode('10'));
-	}
-
-	public function testBinaryEncode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_BINARY);
-		$this->assertEquals('0', $this->converter->encode(0)->value());
-		$this->assertEquals('1', $this->converter->encode(1)->value());
-		$this->assertEquals('10', $this->converter->encode(2)->value());
-		$this->assertEquals('1010', $this->converter->encode(10)->value());
-		$this->assertEquals('11111111', $this->converter->encode(255)->value());
-		$this->assertEquals('1111111111111111', $this->converter->encode(65535)->value());
-		$this->assertEquals('1111111111111111111111111111111', $this->converter->encode(2147483647)->value());
-	}
-
-	public function testBinaryDecode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_BINARY);
-		$this->assertEquals(0, $this->converter->decode('0')->value());
-		$this->assertEquals(1, $this->converter->decode('1')->value());
-		$this->assertEquals(2, $this->converter->decode('10')->value());
-		$this->assertEquals(10, $this->converter->decode('1010')->value());
-		$this->assertEquals(255, $this->converter->decode('11111111')->value());
-		$this->assertEquals(65535, $this->converter->decode('1111111111111111')->value());
-		$this->assertEquals(2147483647, $this->converter->decode('1111111111111111111111111111111')->value());
-	}
-
-	public function testOctalEncode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_OCTAL);
-		$this->assertEquals('0', $this->converter->encode(0)->value());
-		$this->assertEquals('1', $this->converter->encode(1)->value());
-		$this->assertEquals('10', $this->converter->encode(8)->value());
-		$this->assertEquals('12', $this->converter->encode(10)->value());
-		$this->assertEquals('377', $this->converter->encode(255)->value());
-		$this->assertEquals('177777', $this->converter->encode(65535)->value());
-		$this->assertEquals('17777777777', $this->converter->encode(2147483647)->value());
-	}
-
-	public function testOctalDecode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_OCTAL);
-		$this->assertEquals(0, $this->converter->decode('0')->value());
-		$this->assertEquals(1, $this->converter->decode('1')->value());
-		$this->assertEquals(8, $this->converter->decode('10')->value());
-		$this->assertEquals(10, $this->converter->decode('12')->value());
-		$this->assertEquals(255, $this->converter->decode('377')->value());
-		$this->assertEquals(65535, $this->converter->decode('177777')->value());
-		$this->assertEquals(2147483647, $this->converter->decode('17777777777')->value());
-	}
-
-	public function testDecimalEncode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_DECIMAL);
-		$this->assertEquals('0', $this->converter->encode(0)->value());
-		$this->assertEquals('1', $this->converter->encode(1)->value());
-		$this->assertEquals('10', $this->converter->encode(10)->value());
-		$this->assertEquals('255', $this->converter->encode(255)->value());
-		$this->assertEquals('65535', $this->converter->encode(65535)->value());
-		$this->assertEquals('2147483647', $this->converter->encode(2147483647)->value());
-	}
-
-	public function testDecimalDecode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_DECIMAL);
-		$this->assertEquals(0, $this->converter->decode('0')->value());
-		$this->assertEquals(1, $this->converter->decode('1')->value());
-		$this->assertEquals(10, $this->converter->decode('10')->value());
-		$this->assertEquals(255, $this->converter->decode('255')->value());
-		$this->assertEquals(65535, $this->converter->decode('65535')->value());
-		$this->assertEquals(2147483647, $this->converter->decode('2147483647')->value());
-	}
-
-	public function testHexadecimalEncode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_HEXADECIMAL);
-		$this->assertEquals('0', $this->converter->encode(0)->value());
-		$this->assertEquals('1', $this->converter->encode(1)->value());
-		$this->assertEquals('a', $this->converter->encode(10)->value());
-		$this->assertEquals('10', $this->converter->encode(16)->value());
-		$this->assertEquals('ff', $this->converter->encode(255)->value());
-		$this->assertEquals('ffff', $this->converter->encode(65535)->value());
-		$this->assertEquals('7fffffff', $this->converter->encode(2147483647)->value());
-	}
-
-	public function testHexadecimalDecode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_HEXADECIMAL);
-		$this->assertEquals(0, $this->converter->decode('0')->value());
-		$this->assertEquals(1, $this->converter->decode('1')->value());
-		$this->assertEquals(10, $this->converter->decode('a')->value());
-		$this->assertEquals(16, $this->converter->decode('10')->value());
-		$this->assertEquals(255, $this->converter->decode('ff')->value());
-		$this->assertEquals(65535, $this->converter->decode('ffff')->value());
-		$this->assertEquals(2147483647, $this->converter->decode('7fffffff')->value());
-	}
-
-	public function testAlphanumeric36Encode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_ALPHANUMERIC_36);
-		$this->assertEquals('0', $this->converter->encode(0)->value());
-		$this->assertEquals('1', $this->converter->encode(1)->value());
-		$this->assertEquals('a', $this->converter->encode(10)->value());
-		$this->assertEquals('10', $this->converter->encode(36)->value());
-		$this->assertEquals('73', $this->converter->encode(255)->value());
-		$this->assertEquals('1ekf', $this->converter->encode(65535)->value());
-		$this->assertEquals('zik0zj', $this->converter->encode(2147483647)->value());
-	}
-
-	public function testAlphanumeric36Decode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_ALPHANUMERIC_36);
-		$this->assertEquals(0, $this->converter->decode('0')->value());
-		$this->assertEquals(1, $this->converter->decode('1')->value());
-		$this->assertEquals(10, $this->converter->decode('a')->value());
-		$this->assertEquals(36, $this->converter->decode('10')->value());
-		$this->assertEquals(255, $this->converter->decode('73')->value());
-		$this->assertEquals(65535, $this->converter->decode('1ekf')->value());
-		$this->assertEquals(2147483647, $this->converter->decode('zik0zj')->value());
-	}
-
-	public function testAlphanumeric62Encode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_ALPHANUMERIC_62);
-		$this->assertEquals('0', $this->converter->encode(0)->value());
-		$this->assertEquals('1', $this->converter->encode(1)->value());
-		$this->assertEquals('a', $this->converter->encode(10)->value());
-		$this->assertEquals('10', $this->converter->encode(62)->value());
-		$this->assertEquals('47', $this->converter->encode(255)->value());
-		$this->assertEquals('h31', $this->converter->encode(65535)->value());
-		$this->assertEquals('2lkCB1', $this->converter->encode(2147483647)->value());
-	}
-
-	public function testAlphanumeric62Decode()
-	{
-		$this->converter->config('map', RadixConverter::MAP_ALPHANUMERIC_62);
-		$this->assertEquals(0, $this->converter->decode('0')->value());
-		$this->assertEquals(1, $this->converter->decode('1')->value());
-		$this->assertEquals(10, $this->converter->decode('a')->value());
-		$this->assertEquals(62, $this->converter->decode('10')->value());
-		$this->assertEquals(255, $this->converter->decode('47')->value());
-		$this->assertEquals(65535, $this->converter->decode('h31')->value());
-		$this->assertEquals(2147483647, $this->converter->decode('2lkCB1')->value());
-	}
-
-	public function testEncodeByCustomizedMap()
-	{
-		$this->converter->config('map', 'OKNU');
-		$this->assertEquals('O', $this->converter->encode(0)->value());
-		$this->assertEquals('KO', $this->converter->encode(4)->value());
-		$this->assertEquals('KOO', $this->converter->encode(16)->value());
-		$this->assertEquals('UNKO', $this->converter->encode(228)->value());
-	}
-
-	public function testDecodeByCustomizedMap()
-	{
-		$this->converter->config('map', 'OKNU');
-		$this->assertEquals(0, $this->converter->decode('O')->value());
-		$this->assertEquals(4, $this->converter->decode('KO')->value());
-		$this->assertEquals(16, $this->converter->decode('KOO')->value());
-		$this->assertEquals(228, $this->converter->decode('UNKO')->value());
-	}
-
-	/**
-	 * @expectedException \InvalidArgumentException
-	 */
-	public function testRaiseExceptionWhenCustomizedMapContainsSameCharacter()
-	{
-		$this->converter->config('map', '00123456789');
-	}
-
-	public function testEncodeByCallStaticWithMap()
-	{
-		$this->assertEquals('10', RadixConverter::encode(2, RadixConverter::MAP_BINARY));
-		$this->assertEquals('10', RadixConverter::encode(8, RadixConverter::MAP_OCTAL));
-		$this->assertEquals('10', RadixConverter::encode(10, RadixConverter::MAP_DECIMAL));
-		$this->assertEquals('10', RadixConverter::encode(16, RadixConverter::MAP_HEXADECIMAL));
-		$this->assertEquals('10', RadixConverter::encode(36, RadixConverter::MAP_ALPHANUMERIC_36));
-		$this->assertEquals('10', RadixConverter::encode(62, RadixConverter::MAP_ALPHANUMERIC_62));
-		$this->assertEquals('UNKO', RadixConverter::encode(228, 'OKNU'));
-	}
-
-	public function testDecodeByCallStaticWithMap()
-	{
-		$this->assertEquals(2, RadixConverter::decode('10', RadixConverter::MAP_BINARY));
-		$this->assertEquals(8, RadixConverter::decode('10', RadixConverter::MAP_OCTAL));
-		$this->assertEquals(10, RadixConverter::decode('10', RadixConverter::MAP_DECIMAL));
-		$this->assertEquals(16, RadixConverter::decode('10', RadixConverter::MAP_HEXADECIMAL));
-		$this->assertEquals(36, RadixConverter::decode('10', RadixConverter::MAP_ALPHANUMERIC_36));
-		$this->assertEquals(62, RadixConverter::decode('10', RadixConverter::MAP_ALPHANUMERIC_62));
-		$this->assertEquals(228, RadixConverter::decode('UNKO', 'OKNU'));
-	}
-
-	/**
-	 * @requires extension bcmath
-	 */
-	public function testEncodeByCallStaticWithMapAndAcceptLong()
-	{
-		$this->assertEquals('2lkCB2', RadixConverter::encode('2147483648', RadixConverter::MAP_ALPHANUMERIC_62, true));
-		$this->assertEquals('aZl8N0y58M8', RadixConverter::encode('9223372036854775808', RadixConverter::MAP_ALPHANUMERIC_62, true));
-	}
-
-	/**
-	 * @requires extension bcmath
-	 */
-	public function testDecodeByCallStaticWithMapAndAcceptLong()
-	{
-		$this->assertEquals('2147483648', RadixConverter::decode('2lkCB2', RadixConverter::MAP_ALPHANUMERIC_62, true));
-		$this->assertEquals('9223372036854775808', RadixConverter::decode('aZl8N0y58M8', RadixConverter::MAP_ALPHANUMERIC_62, true));
-	}
-
-}
diff --git a/Tests/bootstrap.php b/Tests/bootstrap.php
deleted file mode 100644
index 79e8a02..0000000
--- a/Tests/bootstrap.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-/**
- * Volcanus libraries for PHP
- *
- * @copyright 2011-2013 k-holy <k.holy74@gmail.com>
- * @license The MIT License (MIT)
- */
-spl_autoload_register(function($className) {
-	$namespace = 'Volcanus\RadixConverter';
-	if (0 === strpos(ltrim($className, DIRECTORY_SEPARATOR), $namespace)) {
-		$path = realpath(__DIR__ . '/..') . substr(
-			str_replace('\\', DIRECTORY_SEPARATOR, $className),
-			strlen($namespace)
-		).'.php';
-		if (file_exists($path)) {
-			return include $path;
-		}
-	}
-	return false;
-}, true, true);