tests/phpunit/CRM/Utils/NumberTest.php

   1 <?php
   2 require_once 'CiviTest/CiviUnitTestCase.php';
   3
   4 /**
   5  * Class CRM_Utils_NumberTest
   6  */
   7 class CRM_Utils_NumberTest extends CiviUnitTestCase {
   8
   9   /**
  10    * @return array
  11    */
  12   public function randomDecimalCases() {
  13     $cases = array();
  14     // array(array $precision, int $expectedMinInclusive, int $expectedMaxExclusive)
  15     $cases[] = array(array(1, 0), 0, 10);
  16     $cases[] = array(array(5, 2), 0, 1000);
  17     $cases[] = array(array(10, 8), 0, 100);
  18     return $cases;
  19   }
  20
  21   /**
  22    * @param array $precision
  23    * @param int $expectedMinInclusive
  24    * @param int $expectedMaxExclusive
  25    * @dataProvider randomDecimalCases
  26    */
  27   public function testCreateRandomDecimal($precision, $expectedMinInclusive, $expectedMaxExclusive) {
  28     list ($sigFigs, $decFigs) = $precision;
  29     for ($i = 0; $i < 10; $i++) {
  30       $decimal = CRM_Utils_Number::createRandomDecimal($precision);
  31       // print "Assert $decimal between $expectedMinInclusive and $expectedMaxExclusive\n";
  32       $this->assertTrue(($expectedMinInclusive <= $decimal) && ($decimal < $expectedMaxExclusive), "Assert $decimal between $expectedMinInclusive and $expectedMaxExclusive");
  33       if (strpos($decimal, '.') === FALSE) {
  34         $decimal .= '.';
  35       }
  36       list ($before, $after) = explode('.', $decimal);
  37       $this->assertTrue(strlen($before) + strlen($after) <= $sigFigs, "Assert $decimal [$before;$after] has <= $sigFigs sigFigs");
  38       $this->assertTrue(strlen($after) <= $decFigs, "Assert $decimal [$before;$after] has <= $decFigs decFigs");
  39     }
  40   }
  41
  42   /**
  43    * @return array
  44    */
  45   public function truncDecimalCases() {
  46     $cases = array();
  47     // array($value, $precision, $expectedValue)
  48     $cases[] = array(523, array(1,0), 5);
  49     $cases[] = array(523, array(5,2), 523);
  50     $cases[] = array(523, array(10,8), 52.3);
  51     $cases[] = array(12345, array(3,3), 0.123);
  52     $cases[] = array(0.12345, array(10,0), 12345);
  53     $cases[] = array(-123.45, array(4,2), -12.34);
  54     return $cases;
  55   }
  56
  57   /**
  58    * @param $value
  59    * @param $precision
  60    * @param $expectedValue
  61    * @dataProvider truncDecimalCases
  62    */
  63   public function testCreateTruncatedDecimal($value, $precision, $expectedValue) {
  64     list ($sigFigs, $decFigs) = $precision;
  65     $this->assertEquals($expectedValue, CRM_Utils_Number::createTruncatedDecimal($value, $precision),
  66       "assert createTruncatedValue($value, ($sigFigs,$decFigs)) == $expectedValue"
  67     );
  68   }
  69 }