diff --git a/src/Rs/Json/Patch/Operations/Test.php b/src/Rs/Json/Patch/Operations/Test.php
index 6ef8cbf..c66d27e 100755
--- a/src/Rs/Json/Patch/Operations/Test.php
+++ b/src/Rs/Json/Patch/Operations/Test.php
@@ -41,15 +41,15 @@ public function perform($targetDocument)
 
         try {
             $get = $pointer->get($this->getPath());
+            // Pointer::get() method can return mixed result, we should force type to array for json string
+            if($this->isValidJsonString($get)) {
+                $get = json_decode($get, true);
+            }
         } catch (NonexistentValueReferencedException $e) {
             $get = null;
         }
 
-        if (is_string($this->getValue())) {
-            $value = json_decode($this->getValue(), true);
-        } else {
-            $value = $this->getValue();
-        }
+        $value = is_object($this->getValue())? (array) $this->getValue() : $this->getValue();
 
         if (is_array($value) && is_array($get)) {
             asort($get);
@@ -60,4 +60,20 @@ public function perform($targetDocument)
 
         return $get === $this->getValue();
     }
+
+    /**
+     * Method check if string is valid JSON string
+     *
+     * @param $string
+     * @return boolean
+     */
+    private function isValidJsonString($string)
+    {
+        if(is_string($string) && strlen($string)) {
+            // Decode and check last error
+            json_decode($string);
+            return json_last_error() === JSON_ERROR_NONE;
+        }
+        return false;
+    }
 }
diff --git a/tests/integration/Rs/Json/PatchTestTest.php b/tests/integration/Rs/Json/PatchTestTest.php
index 9176891..b9cb7ba 100755
--- a/tests/integration/Rs/Json/PatchTestTest.php
+++ b/tests/integration/Rs/Json/PatchTestTest.php
@@ -83,6 +83,33 @@ public function shouldThrowFailedTestExceptionWhenTestFailsForUnsuccessfulCompar
             $patchedDocument
         );
     }
+    /**
+     * @test
+     */
+    public function testSuccessfulComparison()
+    {
+        $expectedDocument = $targetDocument = json_encode(
+            [
+                'arrayField' => [
+                    ['name' => 'foo'],
+                    ['name' => 'bar']
+                ]
+            ]
+        );
+        $patchDocument = json_encode(
+            [
+                ['op' => 'test', 'path' => '/arrayField/0', 'value' => ['name' => 'foo']]
+            ]
+        );
+
+        $patch = new Patch($targetDocument, $patchDocument);
+        $patchedDocument = $patch->apply();
+
+        $this->assertJsonStringEqualsJsonString(
+            $expectedDocument,
+            $patchedDocument
+        );
+    }
     /**
      * @test
      * @expectedException Rs\Json\Pointer\InvalidPointerException
diff --git a/tests/unit/Rs/Json/Patch/Operations/TestTest.php b/tests/unit/Rs/Json/Patch/Operations/TestTest.php
index e507dd4..e172324 100755
--- a/tests/unit/Rs/Json/Patch/Operations/TestTest.php
+++ b/tests/unit/Rs/Json/Patch/Operations/TestTest.php
@@ -129,7 +129,7 @@ public function shouldReturnTrueForMatchingArrays()
     {
         $operation = new \stdClass;
         $operation->path = '/chars/array';
-        $operation->value = '["abc", "def"]';
+        $operation->value = array("abc", "def");
 
         $testOperation = new Test($operation);
 
@@ -142,7 +142,7 @@ public function shouldReturnFalseForNoneMatchingArrays()
     {
         $operation = new \stdClass;
         $operation->path = '/chars/array';
-        $operation->value = '["def", "hij"]';
+        $operation->value = array("def", "hij");
 
         $testOperation = new Test($operation);
 
@@ -305,11 +305,11 @@ public function matchingObjectProvider()
         return array(
             array(array(
                 'given-json' => '{"foo":"bar"}',
-                'test-operation' => (object) array('path' => '', 'value' => '{"foo":"bar"}'),
+                'test-operation' => (object) array('path' => '', 'value' => array("foo" => "bar")),
             )),
             array(array(
                 'given-json' => '{"foo":{"coo":{"koo":"roo","moo":"zoo"}}}',
-                'test-operation' => (object) array('path' => '/foo/coo', 'value' => '{"koo":"roo","moo":"zoo"}'),
+                'test-operation' => (object) array('path' => '/foo/coo', 'value' => array("koo" => "roo", "moo" => "zoo")),
             ))
         );
     }