tests/HTMLPurifier/UnitConverterTest.php

   1 <?php
   2
   3 class HTMLPurifier_UnitConverterTest extends HTMLPurifier_Harness
   4 {
   5
   6     protected function assertConversion($input, $expect, $unit = null, $test_negative = true)
   7     {
   8         $length = HTMLPurifier_Length::make($input);
   9         if ($expect !== false) $expectl = HTMLPurifier_Length::make($expect);
  10         else $expectl = false;
  11         $to_unit = $unit !== null ? $unit : $expectl->getUnit();
  12
  13         $converter = new HTMLPurifier_UnitConverter(4, 10);
  14         $result = $converter->convert($length, $to_unit);
  15         if (!$result || !$expectl) $this->assertIdentical($result, $expectl);
  16         else $this->assertIdentical($result->toString(), $expectl->toString());
  17
  18         $converter = new HTMLPurifier_UnitConverter(4, 10, true);
  19         $result = $converter->convert($length, $to_unit);
  20         if (!$result || !$expectl) $this->assertIdentical($result, $expectl);
  21         else $this->assertIdentical($result->toString(), $expectl->toString(), 'BCMath substitute: %s');
  22
  23         if ($test_negative) {
  24             $this->assertConversion(
  25                 "-$input",
  26                 $expect === false ? false : "-$expect",
  27                 $unit,
  28                 false
  29             );
  30         }
  31     }
  32
  33     public function testFail()
  34     {
  35         $this->assertConversion('1in', false, 'foo');
  36         $this->assertConversion('1foo', false, 'in');
  37     }
  38
  39     public function testZero()
  40     {
  41         $this->assertConversion('0', '0', 'in', false);
  42         $this->assertConversion('-0', '0', 'in', false);
  43         $this->assertConversion('0in', '0', 'in', false);
  44         $this->assertConversion('-0in', '0', 'in', false);
  45         $this->assertConversion('0in', '0', 'pt', false);
  46         $this->assertConversion('-0in', '0', 'pt', false);
  47     }
  48
  49     public function testEnglish()
  50     {
  51         $this->assertConversion('1in', '6pc');
  52         $this->assertConversion('6pc', '1in');
  53
  54         $this->assertConversion('1in', '72pt');
  55         $this->assertConversion('72pt', '1in');
  56
  57         $this->assertConversion('1pc', '12pt');
  58         $this->assertConversion('12pt', '1pc');
  59
  60         $this->assertConversion('1pt', '0.01389in');
  61         $this->assertConversion('1.000pt', '0.01389in');
  62         $this->assertConversion('100000pt', '1389in');
  63
  64         $this->assertConversion('1in', '96px');
  65         $this->assertConversion('96px', '1in');
  66     }
  67
  68     public function testMetric()
  69     {
  70         $this->assertConversion('1cm', '10mm');
  71         $this->assertConversion('10mm', '1cm');
  72         $this->assertConversion('1mm', '0.1cm');
  73         $this->assertConversion('100mm', '10cm');
  74     }
  75
  76     public function testEnglishMetric()
  77     {
  78         $this->assertConversion('2.835pt', '1mm');
  79         $this->assertConversion('1mm', '2.835pt');
  80         $this->assertConversion('0.3937in', '1cm');
  81     }
  82
  83     public function testRoundingMinPrecision()
  84     {
  85         // One sig-fig, modified to be four, conversion rounds up
  86         $this->assertConversion('100pt', '1.389in');
  87         $this->assertConversion('1000pt', '13.89in');
  88         $this->assertConversion('10000pt', '138.9in');
  89         $this->assertConversion('100000pt', '1389in');
  90         $this->assertConversion('1000000pt', '13890in');
  91     }
  92
  93     public function testRoundingUserPrecision()
  94     {
  95         // Five sig-figs, conversion rounds down
  96         $this->assertConversion('11112000pt', '154330in');
  97         $this->assertConversion('1111200pt', '15433in');
  98         $this->assertConversion('111120pt', '1543.3in');
  99         $this->assertConversion('11112pt', '154.33in');
 100         $this->assertConversion('1111.2pt', '15.433in');
 101         $this->assertConversion('111.12pt', '1.5433in');
 102         $this->assertConversion('11.112pt', '0.15433in');
 103     }
 104
 105     public function testRoundingBigNumber()
 106     {
 107         $this->assertConversion('444400000000000000000000in', '42660000000000000000000000px');
 108     }
 109
 110     protected function assertSigFig($n, $sigfigs)
 111     {
 112         $converter = new HTMLPurifier_UnitConverter();
 113         $result = $converter->getSigFigs($n);
 114         $this->assertIdentical($result, $sigfigs);
 115     }
 116
 117     public function test_getSigFigs()
 118     {
 119         $this->assertSigFig('0', 0);
 120         $this->assertSigFig('1', 1);
 121         $this->assertSigFig('-1', 1);
 122         $this->assertSigFig('+1', 1);
 123         $this->assertSigFig('01', 1);
 124         $this->assertSigFig('001', 1);
 125         $this->assertSigFig('12', 2);
 126         $this->assertSigFig('012', 2);
 127         $this->assertSigFig('10', 1);
 128         $this->assertSigFig('10.', 2);
 129         $this->assertSigFig('100.', 3);
 130         $this->assertSigFig('103', 3);
 131         $this->assertSigFig('130', 2);
 132         $this->assertSigFig('.1', 1);
 133         $this->assertSigFig('0.1', 1);
 134         $this->assertSigFig('00.1', 1);
 135         $this->assertSigFig('0.01', 1);
 136         $this->assertSigFig('0.010', 2);
 137         $this->assertSigFig('0.012', 2);
 138     }
 139
 140 }
 141
 142 // vim: et sw=4 sts=4