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