silverstripe-framework/tests/model/CurrencyTest.php

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<?php
/**
* @package sapphire
* @subpackage tests
*/
class CurrencyTest extends SapphireTest {
function testNiceFormatting() {
// Test a bunch of different data values and results in Nice() and Whole()
$tests = array(
// Test basic operation
'$50.00' => array('$50.00', '$50'),
// Test removal of junk text
'this is -50.29 dollars' => array('($50.29)', '($50)'),
'this is -50.79 dollars' => array('($50.79)', '($51)'),
'this is 50.79 dollars' => array('$50.79', '$51'),
// Test negative numbers
'-1000' => array('($1,000.00)','($1,000)'),
'-$2,000' => array('($2,000.00)', '($2,000)'),
// Test thousands comma
'5000' => array('$5,000.00', '$5,000'),
// Test scientific notation
'5.68434188608E-14' => array('$0.00', '$0'),
'5.68434188608E7' => array('$56,843,418.86', '$56,843,419'),
"Sometimes Es are still bad: 51 dollars, even though they\'re used in scientific notation" => array('$51.00', '$51'),
"What about 5.68434188608E7 in the middle of a string" => array('$56,843,418.86', '$56,843,419'),
);
foreach($tests as $value => $niceValues) {
$c = new Currency('MyField');
$c->setValue($value);
$this->assertEquals($niceValues[0], $c->Nice());
$this->assertEquals($niceValues[1], $c->Whole());
}
}
}