public function CommerceBaseTesterTestCase::testCurrencyRounding in Commerce Core 7

Test the currency value rounding.

File

tests/commerce_base.test, line 919

Defines abstract base test class for the Commerce module tests.

Class

CommerceBaseTesterTestCase

Test class to test the CommerceBaseTestCase functions. All testTestFoo functions have "testTest" in the name to indicate that they are verifying that a test is working. Somewhat "meta" to do this, but it eases test development.

Code

public function testCurrencyRounding() {

  // array( rounding_step => array( 'value' => 'expected result'));
  $rounding_numbers = array(
    '0.05' => array(
      '1' => '1',
      '5' => '5',
      '777' => '777',
      '1.22' => '1.20',
      '12.2249' => '12.20',
      '1200.225' => '1200.25',
      '0.2749' => '0.25',
      '490.275' => '490.30',
    ),
    '0.02' => array(
      '1' => '1',
      '777' => '777',
      '1.205' => '1.20',
      '12.20999' => '12.20',
      '1200.21' => '1200.22',
      '0.26999' => '0.26',
      '490.2712' => '490.28',
    ),
    '0.5' => array(
      '1' => '1',
      '5' => '5',
      '1.22' => '1',
      '12.2499' => '12',
      '1200.25' => '1200.5',
      '0.749' => '0.5',
      '490.75' => '491.0',
    ),
    '0.2' => array(
      '1' => '1',
      '777' => '777',
      '1.05' => '1',
      '12.0999' => '12',
      '1200.1' => '1200.2',
      '0.6999' => '0.6',
      '490.712' => '490.8',
    ),
  );
  foreach ($rounding_numbers as $rounding_step => $numbers) {
    foreach ($numbers as $input => $output) {
      $currency = array(
        'decimals' => 2,
        'rounding_step' => $rounding_step,
      );
      $result = commerce_currency_round($input, $currency);
      $this
        ->assertEqual($result, $output, t('Rounding !input to !output with the rounding step: !rounding_step', array(
        '!input' => $input,
        '!output' => $output,
        '!rounding_step' => $rounding_step,
      )));
    }
  }
}