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Annotation of embedaddon/php/ext/date/tests/examine_diff.inc, revision 1.1.1.1

1.1       misho       1: <?php
                      2: 
                      3: /**
                      4:  * Helper for the DateTime diff/days/math tests
                      5:  *
                      6:  * @author Daniel Convissor <danielc@analysisandsolutions.com>
                      7:  */
                      8: 
                      9: /**#@+
                     10:  * Which test segments should be displayed?
                     11:  */
                     12: define('PHPT_DATETIME_SHOW_DIFF', 1);
                     13: define('PHPT_DATETIME_SHOW_DAYS', 2);
                     14: define('PHPT_DATETIME_SHOW_ADD', 3);
                     15: define('PHPT_DATETIME_SHOW_SUB', 4);
                     16: /**#@-*/
                     17: 
                     18: /**
                     19:  * Provides a consistent interface for executing date diff/add/sub tests
                     20:  *
                     21:  * @param string|DateTime $end_date  the end date in YYYY-MM-DD format
                     22:  *                        (can include time HH:MM:SS) or a DateTime object
                     23:  * @param string|DateTime $start_date  the start date in YYYY-MM-DD format
                     24:  *                        (can include time HH:MM:SS) or a DateTime object
                     25:  * @param string $expect_spec  the expected result of the tests, in the
                     26:  *               special interval specification used for this test suite.
                     27:  *               This spec includes a "+" or "-" after the "P" in order to
                     28:  *               indicate which direction to go.
                     29:  * @param int $expect_days  the number of days to compare with the
                     30:  *            interval's "days" property
                     31:  * @param bool $absolute  should the result always be a positive number?
                     32:  *
                     33:  * @return void
                     34:  */
                     35: function examine_diff($end_date, $start_date, $expect_spec, $expect_days, $absolute = false) {
                     36:        if (is_string($start_date)) {
                     37:                $start = new DateTime($start_date);
                     38:        } else {
                     39:                $start = $start_date;
                     40:        }
                     41:        $start_date = $start->format('Y-m-d H:i:s T');
                     42: 
                     43:        if (is_string($end_date)) {
                     44:                $end = new DateTime($end_date);
                     45:        } else {
                     46:                $end = $end_date;
                     47:        }
                     48:        $end_date = $end->format('Y-m-d H:i:s T');
                     49: 
                     50:        $expect_interval = new DateInterval('P' . substr($expect_spec, 2));
                     51:        if (substr($expect_spec, 1, 1) == '-') {
                     52:                $expect_interval->invert = true;
                     53:        }
                     54: 
                     55:        if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_DIFF) {
                     56:                $result_interval = $start->diff($end, $absolute);
                     57:                $result_spec = $result_interval->format('P%R%yY%mM%dDT%hH%iM%sS');
                     58:                echo "DIFF: $end_date - $start_date = **$result_spec**\n";
                     59:                // echo "DIFF: $end_date - $start_date = **$expect_spec**\n";
                     60:        }
                     61:        if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_DAYS) {
                     62:                $result_interval = $start->diff($end, $absolute);
                     63:                $result_days = $result_interval->format('%a');
                     64:                echo "DAYS: **$result_days**\n";
                     65:                // echo "DAYS: **$expect_days**\n";
                     66:        }
                     67:        if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_ADD) {
                     68:                $start->add($expect_interval);
                     69:                $result_end_date = $start->format('Y-m-d H:i:s T');
                     70:                echo "ADD: $start_date + $expect_spec = **$result_end_date**\n";
                     71:                // echo "ADD: $start_date + $expect_spec = **$end_date**\n";
                     72:        }
                     73:        if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_SUB) {
                     74:                $end->sub($expect_interval);
                     75:                $result_start_date = $end->format('Y-m-d H:i:s T');
                     76:                echo "SUB: $end_date - $expect_spec = **$result_start_date**\n";
                     77:                // echo "SUB: $end_date - $expect_spec = **$start_date**\n";
                     78:        }
                     79: }