From f8290a8c59e1cf2bf7dfb656a8b722bc494286eb Mon Sep 17 00:00:00 2001
From: Willem Wollebrants <willem@studiow.be>
Date: Fri, 9 Dec 2016 11:44:39 +0100
Subject: [PATCH] Fix bug where Validator::withData would also erase all rules

---
 src/Valitron/Validator.php      | 2 +-
 tests/Valitron/ValidateTest.php | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/Valitron/Validator.php b/src/Valitron/Validator.php
index c5947ae..965c0f8 100644
--- a/src/Valitron/Validator.php
+++ b/src/Valitron/Validator.php
@@ -1204,8 +1204,8 @@ class Validator
     public function withData($data, $fields = array())
     {
         $clone = clone $this;
-        $clone->reset();
         $clone->_fields = !empty($fields) ? array_intersect_key($data, array_flip($fields)) : $data;
+        $clone->_errors = array();
         return $clone;
     }
 }
diff --git a/tests/Valitron/ValidateTest.php b/tests/Valitron/ValidateTest.php
index ceb10bb..4a91b33 100644
--- a/tests/Valitron/ValidateTest.php
+++ b/tests/Valitron/ValidateTest.php
@@ -1164,10 +1164,16 @@ class ValidateTest extends BaseTestCase
         //validation failed, so must have errors
         $this->assertFalse($v->validate());
         $this->assertNotEmpty($v->errors());
-        //create copy with different data
+
+        //create copy with valid data
         $v2 = $v->withData(array('name' => 'Chester Tester'));
         $this->assertTrue($v2->validate());
         $this->assertEmpty($v2->errors());
+
+        //create copy with invalid data
+        $v3 = $v->withData(array('firstname' => 'Chester'));
+        $this->assertFalse($v3->validate());
+        $this->assertNotEmpty($v3->errors());
     }
 }