aboutsummaryrefslogtreecommitdiffstats
path: root/lib/htmlpurifier/tests/HTMLPurifier/UnitConverterTest.php
blob: 3dc1e2afa8fa006588670dd06cfe6e5bd5426ee0 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
<?php

class HTMLPurifier_UnitConverterTest extends HTMLPurifier_Harness
{

    protected function assertConversion($input, $expect, $unit = null, $test_negative = true) {
        $length = HTMLPurifier_Length::make($input);
        if ($expect !== false) $expectl = HTMLPurifier_Length::make($expect);
        else $expectl = false;
        $to_unit = $unit !== null ? $unit : $expectl->getUnit();

        $converter = new HTMLPurifier_UnitConverter(4, 10);
        $result = $converter->convert($length, $to_unit);
        if (!$result || !$expectl) $this->assertIdentical($result, $expectl);
        else $this->assertIdentical($result->toString(), $expectl->toString());

        $converter = new HTMLPurifier_UnitConverter(4, 10, true);
        $result = $converter->convert($length, $to_unit);
        if (!$result || !$expectl) $this->assertIdentical($result, $expectl);
        else $this->assertIdentical($result->toString(), $expectl->toString(), 'BCMath substitute: %s');

        if ($test_negative) {
            $this->assertConversion(
                "-$input",
                $expect === false ? false : "-$expect",
                $unit,
                false
            );
        }
    }

    function testFail() {
        $this->assertConversion('1in', false, 'foo');
        $this->assertConversion('1foo', false, 'in');
    }

    function testZero() {
        $this->assertConversion('0', '0', 'in', false);
        $this->assertConversion('-0', '0', 'in', false);
        $this->assertConversion('0in', '0', 'in', false);
        $this->assertConversion('-0in', '0', 'in', false);
        $this->assertConversion('0in', '0', 'pt', false);
        $this->assertConversion('-0in', '0', 'pt', false);
    }

    function testEnglish() {
        $this->assertConversion('1in', '6pc');
        $this->assertConversion('6pc', '1in');

        $this->assertConversion('1in', '72pt');
        $this->assertConversion('72pt', '1in');

        $this->assertConversion('1pc', '12pt');
        $this->assertConversion('12pt', '1pc');

        $this->assertConversion('1pt', '0.01389in');
        $this->assertConversion('1.000pt', '0.01389in');
        $this->assertConversion('100000pt', '1389in');

        $this->assertConversion('1in', '96px');
        $this->assertConversion('96px', '1in');
    }

    function testMetric() {
        $this->assertConversion('1cm', '10mm');
        $this->assertConversion('10mm', '1cm');
        $this->assertConversion('1mm', '0.1cm');
        $this->assertConversion('100mm', '10cm');
    }

    function testEnglishMetric() {
        $this->assertConversion('2.835pt', '1mm');
        $this->assertConversion('1mm', '2.835pt');
        $this->assertConversion('0.3937in', '1cm');
    }

    function testRoundingMinPrecision() {
        // One sig-fig, modified to be four, conversion rounds up
        $this->assertConversion('100pt', '1.389in');
        $this->assertConversion('1000pt', '13.89in');
        $this->assertConversion('10000pt', '138.9in');
        $this->assertConversion('100000pt', '1389in');
        $this->assertConversion('1000000pt', '13890in');
    }

    function testRoundingUserPrecision() {
        // Five sig-figs, conversion rounds down
        $this->assertConversion('11112000pt', '154330in');
        $this->assertConversion('1111200pt', '15433in');
        $this->assertConversion('111120pt', '1543.3in');
        $this->assertConversion('11112pt', '154.33in');
        $this->assertConversion('1111.2pt', '15.433in');
        $this->assertConversion('111.12pt', '1.5433in');
        $this->assertConversion('11.112pt', '0.15433in');
    }

    function testRoundingBigNumber() {
        $this->assertConversion('444400000000000000000000in', '42660000000000000000000000px');
    }

    protected function assertSigFig($n, $sigfigs) {
        $converter = new HTMLPurifier_UnitConverter();
        $result = $converter->getSigFigs($n);
        $this->assertIdentical($result, $sigfigs);
    }

    function test_getSigFigs() {
        $this->assertSigFig('0', 0);
        $this->assertSigFig('1', 1);
        $this->assertSigFig('-1', 1);
        $this->assertSigFig('+1', 1);
        $this->assertSigFig('01', 1);
        $this->assertSigFig('001', 1);
        $this->assertSigFig('12', 2);
        $this->assertSigFig('012', 2);
        $this->assertSigFig('10', 1);
        $this->assertSigFig('10.', 2);
        $this->assertSigFig('100.', 3);
        $this->assertSigFig('103', 3);
        $this->assertSigFig('130', 2);
        $this->assertSigFig('.1', 1);
        $this->assertSigFig('0.1', 1);
        $this->assertSigFig('00.1', 1);
        $this->assertSigFig('0.01', 1);
        $this->assertSigFig('0.010', 2);
        $this->assertSigFig('0.012', 2);
    }

}

// vim: et sw=4 sts=4