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Finally stabilize the unit converter.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1750 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2008-05-20 21:23:38 +00:00
parent fda310f1e7
commit d8da5ff406
6 changed files with 160 additions and 41 deletions
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75
tests/HTMLPurifier/UnitConverterTest.php
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@@ -3,12 +3,35 @@
class HTMLPurifier_UnitConverterTest extends HTMLPurifier_Harness
{
protected function assertConversion($input, $expect) {
$input = HTMLPurifier_Length::make($input);
$expect = HTMLPurifier_Length::make($expect);
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;
$converter = new HTMLPurifier_UnitConverter();
$result = $converter->convert($input, $expect->unit);
$this->assertIdentical($result, $expect);
$result = $converter->convert($length, $unit !== null ? $unit : $expectl->getUnit());
$this->assertIdentical($result, $expectl);
if ($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() {
@@ -39,7 +62,8 @@ class HTMLPurifier_UnitConverterTest extends HTMLPurifier_Harness
$this->assertConversion('0.3937in', '1cm');
}
function testRounding() {
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');
@@ -47,4 +71,43 @@ class HTMLPurifier_UnitConverterTest extends HTMLPurifier_Harness
$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');
$this->assertConversion('11.112pt', '0.15433in');
}
protected function assertSigFig($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);
}
}