tests/phpunit/CRM/Utils/NumberTest.php

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