[VarDumper] add caster for IntlTimeZone

Author: jschaedl

src/Symfony/Component/VarDumper/Caster/IntlCaster.php

@@ -106,6 +106,23 @@ public static function castNumberFormatter(\NumberFormatter $c, array $a, Stub $
         return self::castError($c, $a);
     }
 
+    public static function castIntlTimeZone(\IntlTimeZone $c, array $a, Stub $stub, $isNested)
+    {
+        $a += array(
+            Caster::PREFIX_VIRTUAL.'display_name' => $c->getDisplayName(),
+            Caster::PREFIX_VIRTUAL.'id' => $c->getID(),
+            Caster::PREFIX_VIRTUAL.'raw_offset' => $c->getRawOffset(),
+        );
+
+        if ($c->useDaylightTime()) {
+            $a += array(
+                Caster::PREFIX_VIRTUAL.'dst_savings' => $c->getDSTSavings(),
+            );
+        }
+
+        return self::castError($c, $a);
+    }
+
     private static function castError($c, array $a): array
     {
         if ($errorCode = $c->getErrorCode()) {

src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php

@@ -119,6 +119,7 @@ abstract class AbstractCloner implements ClonerInterface
 
         'MessageFormatter' => array('Symfony\Component\VarDumper\Caster\IntlCaster', 'castMessageFormatter'),
         'NumberFormatter' => array('Symfony\Component\VarDumper\Caster\IntlCaster', 'castNumberFormatter'),
+        'IntlTimeZone' => array('Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlTimeZone'),
 
         ':curl' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castCurl'),
         ':dba' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'),

src/Symfony/Component/VarDumper/Tests/Caster/IntlCasterTest.php

@@ -147,6 +147,44 @@ public function testCastNumberFormatter()
     MONETARY_GROUPING_SEPARATOR_SYMBOL: "$expectedSymbol18"
   }
 }
+EOTXT;
+        $this->assertDumpEquals($expected, $var);
+    }
+
+    public function testCastIntlTimeZoneWithDST()
+    {
+        $var = \IntlTimeZone::createTimeZone('America/Los_Angeles');
+
+        $expectedDisplayName = $var->getDisplayName();
+        $expectedDSTSavings = $var->getDSTSavings();
+        $expectedID = $var->getID();
+        $expectedRawOffset = $var->getRawOffset();
+
+        $expected = <<<EOTXT
+IntlTimeZone {
+  display_name: "$expectedDisplayName"
+  id: "$expectedID"
+  raw_offset: $expectedRawOffset
+  dst_savings: $expectedDSTSavings
+}
+EOTXT;
+        $this->assertDumpEquals($expected, $var);
+    }
+
+    public function testCastIntlTimeZoneWithoutDST()
+    {
+        $var = \IntlTimeZone::createTimeZone('Asia/Bangkok');
+
+        $expectedDisplayName = $var->getDisplayName();
+        $expectedID = $var->getID();
+        $expectedRawOffset = $var->getRawOffset();
+
+        $expected = <<<EOTXT
+IntlTimeZone {
+  display_name: "$expectedDisplayName"
+  id: "$expectedID"
+  raw_offset: $expectedRawOffset
+}
 EOTXT;
         $this->assertDumpEquals($expected, $var);
     }