Tests for __set_state magic method

Tests for __set_state magic method for DateTime, DateTimeImmutable,
DateTimeZone and DatePeriod.

Author: MarkBaker

ext/date/tests/DatePeriod_set_state.phpt

@@ -0,0 +1,75 @@
+--TEST--
+Test __set_state magic method for recreating a DatePeriod object
+--CREDITS--
+Mark Baker [email protected] at the PHPNW2017 Conference for PHP Testfest 2017
+--FILE--
+<?php
+
+$datePeriodObject = new DatePeriod(
+    new DateTime('2017-10-06 23:30', new DateTimeZone('UTC')),
+    new DateInterval('PT1H30M'),
+    24
+);
+
+$datePeriodState = var_export($datePeriodObject, true);
+
+eval("\$datePeriodObjectNew = {$datePeriodState};");
+
+var_dump($datePeriodObjectNew);
+
+?>
+--EXPECTF--
+object(DatePeriod)#%d (6) {
+  ["start"]=>
+  object(DateTime)#%d (3) {
+    ["date"]=>
+    string(26) "2017-10-06 23:30:00.000000"
+    ["timezone_type"]=>
+    int(3)
+    ["timezone"]=>
+    string(3) "UTC"
+  }
+  ["current"]=>
+  NULL
+  ["end"]=>
+  NULL
+  ["interval"]=>
+  object(DateInterval)#%d (16) {
+    ["y"]=>
+    int(0)
+    ["m"]=>
+    int(0)
+    ["d"]=>
+    int(0)
+    ["h"]=>
+    int(1)
+    ["i"]=>
+    int(30)
+    ["s"]=>
+    int(0)
+    ["f"]=>
+    float(0)
+    ["weekday"]=>
+    int(0)
+    ["weekday_behavior"]=>
+    int(0)
+    ["first_last_day_of"]=>
+    int(0)
+    ["invert"]=>
+    int(0)
+    ["days"]=>
+    int(0)
+    ["special_type"]=>
+    int(0)
+    ["special_amount"]=>
+    int(0)
+    ["have_weekday_relative"]=>
+    int(0)
+    ["have_special_relative"]=>
+    int(0)
+  }
+  ["recurrences"]=>
+  int(25)
+  ["include_start_date"]=>
+  bool(true)
+}

ext/date/tests/DateTimeImmutable_set_state.phpt

@@ -0,0 +1,25 @@
+--TEST--
+Test __set_state magic method for recreating a DateTimeImmutable object
+--CREDITS--
+Mark Baker [email protected] at the PHPNW2017 Conference for PHP Testfest 2017
+--FILE--
+<?php
+
+$datettimeObject = new DateTimeImmutable('2017-10-06 23:30:00', new DateTimezone('UTC'));
+
+$datetimeState = var_export($datettimeObject, true);
+
+eval("\$datetimeObjectNew = {$datetimeState};");
+
+var_dump($datetimeObjectNew);
+
+?>
+--EXPECTF--
+object(DateTimeImmutable)#%d (3) {
+  ["date"]=>
+  string(26) "2017-10-06 23:30:00.000000"
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(3) "UTC"
+}

ext/date/tests/DateTimeZone_set_state.phpt

@@ -0,0 +1,23 @@
+--TEST--
+Test __set_state magic method for recreating a DateTimeZone object
+--CREDITS--
+Mark Baker [email protected] at the PHPNW2017 Conference for PHP Testfest 2017
+--FILE--
+<?php
+
+$datetimezoneObject = new DateTimezone('UTC');
+
+$datetimezoneState = var_export($datetimezoneObject, true);
+
+eval("\$datetimezoneObjectNew = {$datetimezoneState};");
+
+var_dump($datetimezoneObjectNew);
+
+?>
+--EXPECTF--
+object(DateTimeZone)#%d (2) {
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(3) "UTC"
+}

ext/date/tests/DateTime_set_state.phpt

@@ -0,0 +1,25 @@
+--TEST--
+Test __set_state magic method for recreating a DateTime object
+--CREDITS--
+Mark Baker [email protected] at the PHPNW2017 Conference for PHP Testfest 2017
+--FILE--
+<?php
+
+$datettimeObject = new DateTime('2017-10-06 23:30:00', new DateTimezone('UTC'));
+
+$datetimeState = var_export($datettimeObject, true);
+
+eval("\$datetimeObjectNew = {$datetimeState};");
+
+var_dump($datetimeObjectNew);
+
+?>
+--EXPECTF--
+object(DateTime)#%d (3) {
+  ["date"]=>
+  string(26) "2017-10-06 23:30:00.000000"
+  ["timezone_type"]=>
+  int(3)
+  ["timezone"]=>
+  string(3) "UTC"
+}