* switch to composer for qrcode and otp dependencies

* move most OTP-related stuff into userhelper
* remove old phpqrcode and otphp libraries

vendor/chillerlan/php-qrcode/tests/Helpers/PolynomialTest.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Class PolynomialTest
+ *
+ * @filesource   PolynomialTest.php
+ * @created      09.02.2016
+ * @package      chillerlan\QRCodeTest\Helpers
+ * @author       Smiley <smiley@chillerlan.net>
+ * @copyright    2015 Smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCodeTest\Helpers;
+
+use chillerlan\QRCode\Helpers\Polynomial;
+use chillerlan\QRCode\QRCodeException;
+use chillerlan\QRCodeTest\QRTestAbstract;
+
+class PolynomialTest extends QRTestAbstract{
+
+	/**
+	 * @var \chillerlan\QRCode\Helpers\Polynomial
+	 */
+	protected $polynomial;
+
+	protected function setUp():void{
+		$this->polynomial = new Polynomial;
+	}
+
+	public function testGexp(){
+		$this->assertSame(142, $this->polynomial->gexp(-1));
+		$this->assertSame(133, $this->polynomial->gexp(128));
+		$this->assertSame(2,   $this->polynomial->gexp(256));
+	}
+
+	public function testGlogException(){
+		$this->expectException(QRCodeException::class);
+		$this->expectExceptionMessage('log(0)');
+
+		$this->polynomial->glog(0);
+	}
+}