--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/sabre/vobject/tests/VObject/Component/VFreeBusyTest.php	Sat Jan 13 09:06:10 2018 -0500
@@ -0,0 +1,66 @@
+<?php
+
+namespace Sabre\VObject\Component;
+
+use Sabre\VObject;
+use Sabre\VObject\Reader;
+
+class VFreeBusyTest extends \PHPUnit_Framework_TestCase {
+
+    function testIsFree() {
+
+        $input = <<<BLA
+BEGIN:VCALENDAR
+BEGIN:VFREEBUSY
+FREEBUSY;FBTYPE=FREE:20120912T000500Z/PT1H
+FREEBUSY;FBTYPE=BUSY:20120912T010000Z/20120912T020000Z
+FREEBUSY;FBTYPE=BUSY-TENTATIVE:20120912T020000Z/20120912T030000Z
+FREEBUSY;FBTYPE=BUSY-UNAVAILABLE:20120912T030000Z/20120912T040000Z
+FREEBUSY;FBTYPE=BUSY:20120912T050000Z/20120912T060000Z,20120912T080000Z/20120912T090000Z
+FREEBUSY;FBTYPE=BUSY:20120912T100000Z/PT1H
+END:VFREEBUSY
+END:VCALENDAR
+BLA;
+
+        $obj = VObject\Reader::read($input);
+        $vfb = $obj->VFREEBUSY;
+
+        $tz = new \DateTimeZone('UTC');
+
+        $this->assertFalse($vfb->isFree(new \DateTime('2012-09-12 01:15:00', $tz), new \DateTime('2012-09-12 01:45:00', $tz)));
+        $this->assertFalse($vfb->isFree(new \DateTime('2012-09-12 08:05:00', $tz), new \DateTime('2012-09-12 08:10:00', $tz)));
+        $this->assertFalse($vfb->isFree(new \DateTime('2012-09-12 10:15:00', $tz), new \DateTime('2012-09-12 10:45:00', $tz)));
+
+        // Checking whether the end time is treated as non-inclusive
+        $this->assertTrue($vfb->isFree(new \DateTime('2012-09-12 09:00:00', $tz), new \DateTime('2012-09-12 09:15:00', $tz)));
+        $this->assertTrue($vfb->isFree(new \DateTime('2012-09-12 09:45:00', $tz), new \DateTime('2012-09-12 10:00:00', $tz)));
+        $this->assertTrue($vfb->isFree(new \DateTime('2012-09-12 11:00:00', $tz), new \DateTime('2012-09-12 12:00:00', $tz)));
+
+    }
+
+    public function testValidate() {
+
+        $input = <<<HI
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:YoYo
+BEGIN:VFREEBUSY
+UID:some-random-id
+DTSTAMP:20140402T180200Z
+END:VFREEBUSY
+END:VCALENDAR
+HI;
+
+        $obj = Reader::read($input);
+
+        $warnings = $obj->validate();
+        $messages = array();
+        foreach($warnings as $warning) {
+            $messages[] = $warning['message'];
+        }
+
+        $this->assertEquals(array(), $messages);
+
+    }
+
+}