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