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<?php
/**
* @file
* Test the Scanner. This requires the InputStream tests are all good.
*/
namespace Masterminds\HTML5\Tests\Parser;
use Masterminds\HTML5\Parser\StringInputStream;
use Masterminds\HTML5\Parser\Scanner;
class ScannerTest extends \Masterminds\HTML5\Tests\TestCase
{
/**
* A canary test to make sure the basics are setup and working.
*/
public function testConstructDeprecated()
{
$is = new StringInputStream('abc');
$s = new Scanner($is);
$this->assertInstanceOf('\Masterminds\HTML5\Parser\Scanner', $s);
}
public function testConstruct()
{
$this->assertInstanceOf('\Masterminds\HTML5\Parser\Scanner', new Scanner('abc'));
}
public function testNextDeprecated()
{
$s = new Scanner(new StringInputStream('abc'));
$this->assertEquals('b', $s->next());
$this->assertEquals('c', $s->next());
}
public function testNext()
{
$s = new Scanner('abc');
$this->assertEquals('b', $s->next());
$this->assertEquals('c', $s->next());
}
public function testPosition()
{
$s = new Scanner('abc');
$this->assertEquals(0, $s->position());
$s->next();
$this->assertEquals(1, $s->position());
}
public function testPeek()
{
$s = new Scanner('abc');
$this->assertEquals('b', $s->peek());
$s->next();
$this->assertEquals('c', $s->peek());
}
public function testCurrent()
{
$s = new Scanner('abc');
// Before scanning the string begins the current is empty.
$this->assertEquals('a', $s->current());
$c = $s->next();
$this->assertEquals('b', $s->current());
// Test movement through the string.
$c = $s->next();
$this->assertEquals('c', $s->current());
}
public function testUnconsume()
{
$s = new Scanner('abcdefghijklmnopqrst');
// Get initial position.
$s->next();
$start = $s->position();
// Move forward a bunch of positions.
$amount = 7;
for ($i = 0; $i < $amount; ++$i) {
$s->next();
}
// Roll back the amount we moved forward.
$s->unconsume($amount);
$this->assertEquals($start, $s->position());
}
public function testGetHex()
{
$s = new Scanner('ab13ck45DE*');
$this->assertEquals('ab13c', $s->getHex());
$s->next();
$this->assertEquals('45DE', $s->getHex());
}
public function testGetAsciiAlpha()
{
$s = new Scanner('abcdef1%mnop*');
$this->assertEquals('abcdef', $s->getAsciiAlpha());
// Move past the 1% to scan the next group of text.
$s->next();
$s->next();
$this->assertEquals('mnop', $s->getAsciiAlpha());
}
public function testGetAsciiAlphaNum()
{
$s = new Scanner('abcdef1ghpo#mn94op');
$this->assertEquals('abcdef1ghpo', $s->getAsciiAlphaNum());
// Move past the # to scan the next group of text.
$s->next();
$this->assertEquals('mn94op', $s->getAsciiAlphaNum());
}
public function testGetNumeric()
{
$s = new Scanner('1784a 45 9867 #');
$this->assertEquals('1784', $s->getNumeric());
// Move past the 'a ' to scan the next group of text.
$s->next();
$s->next();
$this->assertEquals('45', $s->getNumeric());
}
public function testCurrentLine()
{
$s = new Scanner("1784a\n45\n9867 #\nThis is a test.");
$this->assertEquals(1, $s->currentLine());
// Move to the next line.
$s->getAsciiAlphaNum();
$s->next();
$this->assertEquals(2, $s->currentLine());
}
public function testColumnOffset()
{
$s = new Scanner("1784a a\n45 9867 #\nThis is a test.");
// Move the pointer to the space.
$s->getAsciiAlphaNum();
$this->assertEquals(5, $s->columnOffset());
// We move the pointer ahead. There must be a better way to do this.
$s->next();
$s->next();
$s->next();
$s->next();
$s->next();
$s->next();
$this->assertEquals(3, $s->columnOffset());
}
public function testRemainingChars()
{
$string = "\n45\n9867 #\nThis is a test.";
$s = new Scanner("1784a\n45\n9867 #\nThis is a test.");
$s->getAsciiAlphaNum();
$this->assertEquals($string, $s->remainingChars());
}
}
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