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[3.1.1] Implement more robust imagecrash protection for CSS width/height.

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- Change API for HTMLPurifier_AttrDef_CSS_Length
- Implement HTMLPurifier_AttrDef_Switch class
- Implement HTMLPurifier_Length->compareTo, and make make() accept object instances

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1754 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2008-05-21 01:56:48 +00:00
parent c3fab7200e
commit 1a95852007
15 changed files with 208 additions and 27 deletions
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21
tests/HTMLPurifier/LengthTest.php
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@@ -47,4 +47,25 @@ class HTMLPurifier_LengthTest extends HTMLPurifier_Harness
$this->assertValidate('3miles', false);
}
/**
* @param $s1 First string to compare
* @param $s2 Second string to compare
* @param $expect 0 for $s1 == $s2, 1 for $s1 > $s2 and -1 for $s1 < $s2
*/
protected function assertComparison($s1, $s2, $expect = 0) {
$l1 = HTMLPurifier_Length::make($s1);
$l2 = HTMLPurifier_Length::make($s2);
$r1 = $l1->compareTo($l2);
$r2 = $l2->compareTo($l1);
$this->assertIdentical($r1 == 0 ? 0 : ($r1 > 0 ? 1 : -1), $expect);
$this->assertIdentical($r2 == 0 ? 0 : ($r2 > 0 ? 1 : -1), - $expect);
}
function testCompareTo() {
$this->assertComparison('12in', '12in');
$this->assertComparison('12in', '12mm', 1);
$this->assertComparison('1px', '1mm', -1);
$this->assertComparison(str_repeat('2', 38) . 'in', '100px', 1);
}
}