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vendor/symfony/css-selector/Tests/Parser/ReaderTest.php

@@ -0,0 +1,102 @@
+<?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;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\CssSelector\Parser\Reader;
+
+class ReaderTest extends TestCase
+{
+    public function testIsEOF()
+    {
+        $reader = new Reader('');
+        $this->assertTrue($reader->isEOF());
+
+        $reader = new Reader('hello');
+        $this->assertFalse($reader->isEOF());
+
+        $this->assignPosition($reader, 2);
+        $this->assertFalse($reader->isEOF());
+
+        $this->assignPosition($reader, 5);
+        $this->assertTrue($reader->isEOF());
+    }
+
+    public function testGetRemainingLength()
+    {
+        $reader = new Reader('hello');
+        $this->assertEquals(5, $reader->getRemainingLength());
+
+        $this->assignPosition($reader, 2);
+        $this->assertEquals(3, $reader->getRemainingLength());
+
+        $this->assignPosition($reader, 5);
+        $this->assertEquals(0, $reader->getRemainingLength());
+    }
+
+    public function testGetSubstring()
+    {
+        $reader = new Reader('hello');
+        $this->assertEquals('he', $reader->getSubstring(2));
+        $this->assertEquals('el', $reader->getSubstring(2, 1));
+
+        $this->assignPosition($reader, 2);
+        $this->assertEquals('ll', $reader->getSubstring(2));
+        $this->assertEquals('lo', $reader->getSubstring(2, 1));
+    }
+
+    public function testGetOffset()
+    {
+        $reader = new Reader('hello');
+        $this->assertEquals(2, $reader->getOffset('ll'));
+        $this->assertFalse($reader->getOffset('w'));
+
+        $this->assignPosition($reader, 2);
+        $this->assertEquals(0, $reader->getOffset('ll'));
+        $this->assertFalse($reader->getOffset('he'));
+    }
+
+    public function testFindPattern()
+    {
+        $reader = new Reader('hello');
+
+        $this->assertFalse($reader->findPattern('/world/'));
+        $this->assertEquals(array('hello', 'h'), $reader->findPattern('/^([a-z]).*/'));
+
+        $this->assignPosition($reader, 2);
+        $this->assertFalse($reader->findPattern('/^h.*/'));
+        $this->assertEquals(array('llo'), $reader->findPattern('/^llo$/'));
+    }
+
+    public function testMoveForward()
+    {
+        $reader = new Reader('hello');
+        $this->assertEquals(0, $reader->getPosition());
+
+        $reader->moveForward(2);
+        $this->assertEquals(2, $reader->getPosition());
+    }
+
+    public function testToEnd()
+    {
+        $reader = new Reader('hello');
+        $reader->moveToEnd();
+        $this->assertTrue($reader->isEOF());
+    }
+
+    private function assignPosition(Reader $reader, $value)
+    {
+        $position = new \ReflectionProperty($reader, 'position');
+        $position->setAccessible(true);
+        $position->setValue($reader, $value);
+    }
+}