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<?php
/**
* @file
* Test the Scanner. This requires the InputStream tests are all good.
*/
namespace HTML5\Tests;
use \HTML5\InputStream;
use \HTML5\Parser\Scanner;
require_once 'TestCase.php';
class ScannerTest extends TestCase {
/**
* A canary test to make sure the basics are setup and working.
*/
public function testConstruct() {
$is = new InputStream("abc");
$s = new Scanner($is);
$this->assertInstanceOf('\HTML5\Parser\Scanner', $s);
}
public function testNext() {
$s = new Scanner(new InputStream("abc"));
$this->assertEquals('a', $s->next());
$this->assertEquals('b', $s->next());
$this->assertEquals('c', $s->next());
}
public function testPosition() {
$s = new Scanner(new InputStream("abc"));
$this->assertEquals(0, $s->position());
$s->next();
$this->assertEquals(1, $s->position());
}
public function testPeek() {
$s = new Scanner(new InputStream("abc"));
// The scanner is currently pointed before a.
$this->assertEquals('b', $s->peek());
$s->next();
$this->assertEquals('c', $s->peek());
}
public function testCurrent() {
$s = new Scanner(new InputStream("abc"));
// Before scanning the string begins the current is empty.
$this->assertEquals('', $s->current());
$c = $s->next();
$this->assertEquals($c, $s->current());
// Test movement through the string.
$c = $s->next();
$this->assertEquals($c, $s->current());
}
}
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