Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 79 insertions, 0 deletions

diff --git a/ext/date/tests/examine_diff.inc b/ext/date/tests/examine_diff.inc
new file mode 100644
index 0000000..c3dcba9
--- /dev/null
+++ b/ext/date/tests/examine_diff.inc
@@ -0,0 +1,79 @@
+<?php
+
+/**
+ * Helper for the DateTime diff/days/math tests
+ *
+ * @author Daniel Convissor <danielc@analysisandsolutions.com>
+ */
+
+/**#@+
+ * Which test segments should be displayed?
+ */
+define('PHPT_DATETIME_SHOW_DIFF', 1);
+define('PHPT_DATETIME_SHOW_DAYS', 2);
+define('PHPT_DATETIME_SHOW_ADD', 3);
+define('PHPT_DATETIME_SHOW_SUB', 4);
+/**#@-*/
+
+/**
+ * Provides a consistent interface for executing date diff/add/sub tests
+ *
+ * @param string|DateTime $end_date  the end date in YYYY-MM-DD format
+ *                        (can include time HH:MM:SS) or a DateTime object
+ * @param string|DateTime $start_date  the start date in YYYY-MM-DD format
+ *                        (can include time HH:MM:SS) or a DateTime object
+ * @param string $expect_spec  the expected result of the tests, in the
+ *               special interval specification used for this test suite.
+ *               This spec includes a "+" or "-" after the "P" in order to
+ *               indicate which direction to go.
+ * @param int $expect_days  the number of days to compare with the
+ *            interval's "days" property
+ * @param bool $absolute  should the result always be a positive number?
+ *
+ * @return void
+ */
+function examine_diff($end_date, $start_date, $expect_spec, $expect_days, $absolute = false) {
+	if (is_string($start_date)) {
+		$start = new DateTime($start_date);
+	} else {
+		$start = $start_date;
+	}
+	$start_date = $start->format('Y-m-d H:i:s T');
+
+	if (is_string($end_date)) {
+		$end = new DateTime($end_date);
+	} else {
+		$end = $end_date;
+	}
+	$end_date = $end->format('Y-m-d H:i:s T');
+
+	$expect_interval = new DateInterval('P' . substr($expect_spec, 2));
+	if (substr($expect_spec, 1, 1) == '-') {
+		$expect_interval->invert = true;
+	}
+
+	if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_DIFF) {
+		$result_interval = $start->diff($end, $absolute);
+		$result_spec = $result_interval->format('P%R%yY%mM%dDT%hH%iM%sS');
+		echo "DIFF: $end_date - $start_date = **$result_spec**\n";
+		// echo "DIFF: $end_date - $start_date = **$expect_spec**\n";
+	}
+	if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_DAYS) {
+		$result_interval = $start->diff($end, $absolute);
+		$result_days = $result_interval->format('%a');
+		echo "DAYS: **$result_days**\n";
+		// echo "DAYS: **$expect_days**\n";
+	}
+	if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_ADD) {
+		$start->add($expect_interval);
+		$result_end_date = $start->format('Y-m-d H:i:s T');
+		echo "ADD: $start_date + $expect_spec = **$result_end_date**\n";
+		// echo "ADD: $start_date + $expect_spec = **$end_date**\n";
+	}
+	if (PHPT_DATETIME_SHOW == PHPT_DATETIME_SHOW_SUB) {
+		$end->sub($expect_interval);
+		$result_start_date = $end->format('Y-m-d H:i:s T');
+		echo "SUB: $end_date - $expect_spec = **$result_start_date**\n";
+		// echo "SUB: $end_date - $expect_spec = **$start_date**\n";
+	}
+}