Fix inheritance

Author: tvdijen

src/Type/PositiveIntegerValue.php

@@ -10,7 +10,7 @@
 /**
  * @package simplesaml/xml-common
  */
-class PositiveIntegerValue extends IntegerValue
+class PositiveIntegerValue extends NonNegativeIntegerValue
 {
     /** @var string */
     public const SCHEMA_TYPE = 'positiveInteger';

src/Type/UnsignedByteValue.php

@@ -10,7 +10,7 @@
 /**
  * @package simplesaml/xml-common
  */
-class UnsignedByteValue extends IntegerValue
+class UnsignedByteValue extends NonNegativeIntegerValue
 {
     /** @var string */
     public const SCHEMA_TYPE = 'unsignedByte';

src/Type/UnsignedIntValue.php

@@ -10,7 +10,7 @@
 /**
  * @package simplesaml/xml-common
  */
-class UnsignedIntValue extends IntegerValue
+class UnsignedIntValue extends NonNegativeIntegerValue
 {
     /** @var string */
     public const SCHEMA_TYPE = 'unsignedInt';

src/Type/UnsignedLongValue.php

@@ -10,7 +10,7 @@
 /**
  * @package simplesaml/xml-common
  */
-class UnsignedLongValue extends IntegerValue
+class UnsignedLongValue extends NonNegativeIntegerValue
 {
     /** @var string */
     public const SCHEMA_TYPE = 'unsignedLong';

src/Type/UnsignedShortValue.php

@@ -10,7 +10,7 @@
 /**
  * @package simplesaml/xml-common
  */
-class UnsignedShortValue extends IntegerValue
+class UnsignedShortValue extends NonNegativeIntegerValue
 {
     /** @var string */
     public const SCHEMA_TYPE = 'unsignedShort';