Tidying

lib/DateTime.php

@@ -168,7 +168,7 @@ static public function now()
 	 */
 	public function __set($property, $value)
 	{
-		if (class_exists('ICanBoogie\PropertyNotWritable'))
+		if (class_exists(PropertyNotWritable::class))
 		{
 			throw new PropertyNotWritable([ $property, $this ]);
 		}

lib/DateTime/Shared.php

@@ -14,6 +14,17 @@
 use ICanBoogie\DateTime;
 
 /**
+ * @property-read int $year Year.
+ * @property-read int $month Month of the year.
+ * @property-read int $day Day of the month.
+ * @property-read int $hour Hour of the day.
+ * @property-read int $minute Minute of the hour.
+ * @property-read int $second Second of the minute.
+ *
+ * @property-read bool $is_empty `true` if the instance represents an empty date such as "0000-00-00" or "0000-00-00 00:00:00".
+ *
+ * @property-read string $as_iso8601 The instance formatted according to {@link ISO8601}.
+ *
  * @method string format_as_atom() format_as_atom() Formats the instance according to {@link ATOM}.
  * @method string format_as_cookie() format_as_cookie() Formats the instance according to {@link COOKIE}.
  * @method string format_as_iso8601() format_as_iso8601() Formats the instance according to {@link ISO8601}.
@@ -32,6 +43,25 @@
  */
 trait Shared
 {
+	/**
+	 * @return int
+	 */
+	abstract public function getTimestamp();
+
+	/**
+	 * @return \DateTimeZone
+	 */
+	abstract public function getTimezone();
+
+	/**
+	 * @param int $year
+	 * @param int $month
+	 * @param int $day
+	 *
+	 * @return \DateTime|\DateTimeImmutable
+	 */
+	abstract public function setDate($year, $month, $day);
+
 	/**
 	 * Creates a {@link DateTime} instance from a source.
 	 *

lib/TimeZone.php

@@ -98,7 +98,7 @@ public function __construct($timezone)
 
 		if ($name == 'utc')
 		{
-			$name = 'UTC';
+			$name = 'UTC'; // @codeCoverageIgnore
 		}
 
 		$this->name = $name;
@@ -140,14 +140,12 @@ public function __get($property)
 				return $this->getOffset($utc_time);
 		}
 
-		if (class_exists('ICanBoogie\PropertyNotDefined'))
+		if (class_exists(PropertyNotDefined::class))
 		{
 			throw new PropertyNotDefined([ $property, $this ]);
 		}
-		else
-		{
-			throw new \RuntimeException("Property no defined: $property.");
-		}
+
+		throw new \RuntimeException("Property no defined: $property."); // @codeCoverageIgnore
 	}
 
 	/**

lib/TimeZoneLocation.php

@@ -85,7 +85,7 @@ public function __get($property)
 			return $this->location[$property];
 		}
 
-		if (class_exists('ICanBoogie\PropertyNotDefined'))
+		if (class_exists(PropertyNotDefined::class))
 		{
 			throw new PropertyNotDefined([ $property, $this ]);
 		}
@@ -102,14 +102,12 @@ public function __get($property)
 	 */
 	public function __set($property, $value)
 	{
-		if (class_exists('ICanBoogie\PropertyNotWritable'))
+		if (class_exists(PropertyNotWritable::class))
 		{
 			throw new PropertyNotWritable([ $property, $this ]);
 		}
-		else
-		{
-			throw new \RuntimeException("Property is not writable: $property.");
-		}
+
+		throw new \RuntimeException("Property is not writable: $property."); // @codeCoverageIgnore
 	}
 
 	/**