My first commit of codes

vendor/mtdowling/cron-expression/tests/Cron/DayOfMonthFieldTest.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Cron\Tests;
+
+use Cron\DayOfMonthField;
+
+use DateTime;
+
+/**
+ * @author Michael Dowling <mtdowling@gmail.com>
+ */
+class DayOfMonthFieldTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @covers Cron\DayOfMonthField::validate
+     */
+    public function testValdatesField()
+    {
+        $f = new DayOfMonthField();
+        $this->assertTrue($f->validate('1'));
+        $this->assertTrue($f->validate('*'));
+        $this->assertTrue($f->validate('*/3,1,1-12'));
+        $this->assertTrue($f->validate('5W,L'));
+        $this->assertFalse($f->validate('1.'));
+    }
+
+    /**
+     * @covers Cron\DayOfMonthField::isSatisfiedBy
+     */
+    public function testChecksIfSatisfied()
+    {
+        $f = new DayOfMonthField();
+        $this->assertTrue($f->isSatisfiedBy(new DateTime(), '?'));
+    }
+
+    /**
+     * @covers Cron\DayOfMonthField::increment
+     */
+    public function testIncrementsDate()
+    {
+        $d = new DateTime('2011-03-15 11:15:00');
+        $f = new DayOfMonthField();
+        $f->increment($d);
+        $this->assertEquals('2011-03-16 00:00:00', $d->format('Y-m-d H:i:s'));
+
+        $d = new DateTime('2011-03-15 11:15:00');
+        $f->increment($d, true);
+        $this->assertEquals('2011-03-14 23:59:00', $d->format('Y-m-d H:i:s'));
+    }
+}