Update docblock and test suite for development

Author: nyamsprod

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 All Notable changes to `Csv` will be documented in this file
+
 ## Next - TBD
 
 ### Added 

src/CharsetConverter.php

@@ -47,10 +47,7 @@ class CharsetConverter extends php_user_filter
     public $filtername;
 
     /**
-     * Contents of the params parameter passed to stream_filter_append
-     * or stream_filter_prepend functions.
-     *
-     * @var mixed
+     * @var mixed value passed to passed to stream_filter_append or stream_filter_prepend functions.
      */
     public $params;
 
@@ -194,8 +191,8 @@ public function __invoke(array $record): array
     /**
      * Walker method to convert the offset and the value of a CSV record field.
      *
-     * @param mixed $value
-     * @param mixed $offset
+     * @param mixed $value  can be a scalar type or null
+     * @param mixed $offset can be a string or an int
      */
     protected function encodeField(&$value, &$offset): void
     {

src/EncloseField.php

@@ -42,10 +42,7 @@ class EncloseField extends php_user_filter
     public $filtername;
 
     /**
-     * Contents of the params parameter passed to stream_filter_append
-     * or stream_filter_prepend functions.
-     *
-     * @var mixed
+     * @var mixed value passed to passed to stream_filter_append or stream_filter_prepend functions.
      */
     public $params;
 

src/RFC4180Field.php

@@ -50,10 +50,7 @@ class RFC4180Field extends php_user_filter
     public $filtername;
 
     /**
-     * Contents of the params parameter passed to stream_filter_append
-     * or stream_filter_prepend functions.
-     *
-     * @var mixed
+     * @var mixed value passed to passed to stream_filter_append or stream_filter_prepend functions.
      */
     public $params;
 

src/Stream.php

@@ -72,7 +72,7 @@ class Stream implements SeekableIterator
     /**
      * Current iterator value.
      *
-     * @var mixed
+     * @var mixed can be a null false or a scalar type value
      */
     protected $value;
 

tests/WriterTest.php

@@ -122,7 +122,7 @@ public function testInsertThrowsExceptionOnError(array $record): void
             self::expectExceptionMessage('Unable to write record to the CSV document');
         } else {
             self::expectException(Notice::class);
-            self::expectExceptionMessageRegExp('/write of \d+ bytes failed with errno=9 Bad file descriptor/');
+            self::expectExceptionMessageMatches('/write of \d+ bytes failed with errno=9 Bad file descriptor/');
         }
 
         Writer::createFromPath(__DIR__.'/data/foo.csv', 'r')->insertOne($record);