www.aleph1.co.uk Git - yaffs-website/blob - vendor/masterminds/html5/test/HTML5/Parser/ScannerTest.php

   1 <?php
   2 /**
   3  * @file
   4  * Test the Scanner. This requires the InputStream tests are all good.
   5  */
   6 namespace Masterminds\HTML5\Tests\Parser;
   7
   8 use Masterminds\HTML5\Parser\StringInputStream;
   9 use Masterminds\HTML5\Parser\Scanner;
  10
  11 class ScannerTest extends \Masterminds\HTML5\Tests\TestCase
  12 {
  13
  14     /**
  15      * A canary test to make sure the basics are setup and working.
  16      */
  17     public function testConstruct()
  18     {
  19         $is = new StringInputStream("abc");
  20         $s = new Scanner($is);
  21
  22         $this->assertInstanceOf('\Masterminds\HTML5\Parser\Scanner', $s);
  23     }
  24
  25     public function testNext()
  26     {
  27         $s = new Scanner(new StringInputStream("abc"));
  28
  29         $this->assertEquals('b', $s->next());
  30         $this->assertEquals('c', $s->next());
  31     }
  32
  33     public function testPosition()
  34     {
  35         $s = new Scanner(new StringInputStream("abc"));
  36
  37         $this->assertEquals(0, $s->position());
  38
  39         $s->next();
  40         $this->assertEquals(1, $s->position());
  41     }
  42
  43     public function testPeek()
  44     {
  45         $s = new Scanner(new StringInputStream("abc"));
  46
  47         $this->assertEquals('b', $s->peek());
  48
  49         $s->next();
  50         $this->assertEquals('c', $s->peek());
  51     }
  52
  53     public function testCurrent()
  54     {
  55         $s = new Scanner(new StringInputStream("abc"));
  56
  57         // Before scanning the string begins the current is empty.
  58         $this->assertEquals('a', $s->current());
  59
  60         $c = $s->next();
  61         $this->assertEquals('b', $s->current());
  62
  63         // Test movement through the string.
  64         $c = $s->next();
  65         $this->assertEquals('c', $s->current());
  66     }
  67
  68     public function testUnconsume()
  69     {
  70         $s = new Scanner(new StringInputStream("abcdefghijklmnopqrst"));
  71
  72         // Get initial position.
  73         $s->next();
  74         $start = $s->position();
  75
  76         // Move forward a bunch of positions.
  77         $amount = 7;
  78         for ($i = 0; $i < $amount; $i ++) {
  79             $s->next();
  80         }
  81
  82         // Roll back the amount we moved forward.
  83         $s->unconsume($amount);
  84
  85         $this->assertEquals($start, $s->position());
  86     }
  87
  88     public function testGetHex()
  89     {
  90         $s = new Scanner(new StringInputStream("ab13ck45DE*"));
  91
  92         $this->assertEquals('ab13c', $s->getHex());
  93
  94         $s->next();
  95         $this->assertEquals('45DE', $s->getHex());
  96     }
  97
  98     public function testGetAsciiAlpha()
  99     {
 100         $s = new Scanner(new StringInputStream("abcdef1%mnop*"));
 101
 102         $this->assertEquals('abcdef', $s->getAsciiAlpha());
 103
 104         // Move past the 1% to scan the next group of text.
 105         $s->next();
 106         $s->next();
 107         $this->assertEquals('mnop', $s->getAsciiAlpha());
 108     }
 109
 110     public function testGetAsciiAlphaNum()
 111     {
 112         $s = new Scanner(new StringInputStream("abcdef1ghpo#mn94op"));
 113
 114         $this->assertEquals('abcdef1ghpo', $s->getAsciiAlphaNum());
 115
 116         // Move past the # to scan the next group of text.
 117         $s->next();
 118         $this->assertEquals('mn94op', $s->getAsciiAlphaNum());
 119     }
 120
 121     public function testGetNumeric()
 122     {
 123         $s = new Scanner(new StringInputStream("1784a 45 9867 #"));
 124
 125         $this->assertEquals('1784', $s->getNumeric());
 126
 127         // Move past the 'a ' to scan the next group of text.
 128         $s->next();
 129         $s->next();
 130         $this->assertEquals('45', $s->getNumeric());
 131     }
 132
 133     public function testCurrentLine()
 134     {
 135         $s = new Scanner(new StringInputStream("1784a\n45\n9867 #\nThis is a test."));
 136
 137         $this->assertEquals(1, $s->currentLine());
 138
 139         // Move to the next line.
 140         $s->getAsciiAlphaNum();
 141         $s->next();
 142         $this->assertEquals(2, $s->currentLine());
 143     }
 144
 145     public function testColumnOffset()
 146     {
 147         $s = new Scanner(new StringInputStream("1784a a\n45 9867 #\nThis is a test."));
 148
 149         // Move the pointer to the space.
 150         $s->getAsciiAlphaNum();
 151         $this->assertEquals(5, $s->columnOffset());
 152
 153         // We move the pointer ahead. There must be a better way to do this.
 154         $s->next();
 155         $s->next();
 156         $s->next();
 157         $s->next();
 158         $s->next();
 159         $s->next();
 160         $this->assertEquals(3, $s->columnOffset());
 161     }
 162
 163     public function testRemainingChars()
 164     {
 165         $string = "\n45\n9867 #\nThis is a test.";
 166         $s = new Scanner(new StringInputStream("1784a\n45\n9867 #\nThis is a test."));
 167
 168         $s->getAsciiAlphaNum();
 169         $this->assertEquals($string, $s->remainingChars());
 170     }
 171 }