--- /dev/null
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\CssSelector\Tests\Parser\Handler;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\Token;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ */
+abstract class AbstractHandlerTest extends TestCase
+{
+ /** @dataProvider getHandleValueTestData */
+ public function testHandleValue($value, Token $expectedToken, $remainingContent)
+ {
+ $reader = new Reader($value);
+ $stream = new TokenStream();
+
+ $this->assertTrue($this->generateHandler()->handle($reader, $stream));
+ $this->assertEquals($expectedToken, $stream->getNext());
+ $this->assertRemainingContent($reader, $remainingContent);
+ }
+
+ /** @dataProvider getDontHandleValueTestData */
+ public function testDontHandleValue($value)
+ {
+ $reader = new Reader($value);
+ $stream = new TokenStream();
+
+ $this->assertFalse($this->generateHandler()->handle($reader, $stream));
+ $this->assertStreamEmpty($stream);
+ $this->assertRemainingContent($reader, $value);
+ }
+
+ abstract public function getHandleValueTestData();
+
+ abstract public function getDontHandleValueTestData();
+
+ abstract protected function generateHandler();
+
+ protected function assertStreamEmpty(TokenStream $stream)
+ {
+ $property = new \ReflectionProperty($stream, 'tokens');
+ $property->setAccessible(true);
+
+ $this->assertEquals(array(), $property->getValue($stream));
+ }
+
+ protected function assertRemainingContent(Reader $reader, $remainingContent)
+ {
+ if ('' === $remainingContent) {
+ $this->assertEquals(0, $reader->getRemainingLength());
+ $this->assertTrue($reader->isEOF());
+ } else {
+ $this->assertEquals(strlen($remainingContent), $reader->getRemainingLength());
+ $this->assertEquals(0, $reader->getOffset($remainingContent));
+ }
+ }
+}