From 70a9bf863beb3fda30f90cb0bef0b75f29ba38cd Mon Sep 17 00:00:00 2001
From: Damyon Wiese <damyon.wiese@gmail.com>
Date: Tue, 2 Apr 2013 22:00:56 +0800
Subject: [PATCH] MDL-38840 Statslib - Fix failing unit tests on ci server (DST
 change)

---
 lib/tests/statslib_test.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/tests/statslib_test.php b/lib/tests/statslib_test.php
index 2e79f80fce1..48d1b9162b1 100644
--- a/lib/tests/statslib_test.php
+++ b/lib/tests/statslib_test.php
@@ -327,7 +327,8 @@ class statslib_daily_testcase extends advanced_testcase {
 
         $CFG->statsfirstrun = 'all';
         // Allow 1 second difference in case we cross a second boundary.
-        $this->assertLessThanOrEqual(1, stats_get_start_from('daily') - ($time - (3 * 24 * 3600)), 'All start time');
+        // Note: within 3 days of a DST change - -3 days != 3 * 24 hours (it may be more or less).
+        $this->assertLessThanOrEqual(1, stats_get_start_from('daily') - strtotime('-3 days', $time), 'All start time');
 
         $this->prepare_db($dataset[0], array('log'));
         $records = $DB->get_records('log');
@@ -335,7 +336,7 @@ class statslib_daily_testcase extends advanced_testcase {
         $this->assertEquals($day + 14410, stats_get_start_from('daily'), 'Log entry start');
 
         $CFG->statsfirstrun = 'none';
-        $this->assertLessThanOrEqual(1, stats_get_start_from('daily') - ($time - (3 * 24 * 3600)), 'None start time');
+        $this->assertLessThanOrEqual(1, stats_get_start_from('daily') - strtotime('-3 days', $time), 'None start time');
 
         $CFG->statsfirstrun = 14515200;
         $this->assertLessThanOrEqual(1, stats_get_start_from('daily') - ($time - (14515200)), 'Specified start time');