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: }
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