Fixes Parsing errors when name is an empty object

Fixes #138

Author: arietimmerman

src/Attribute/Complex.php

@@ -215,6 +215,11 @@ public function replace($value, Model &$object, Path $path = null, $removeIfNotS
             return;
         }
 
+        // if value is empty, nothing to do
+        if (empty($value)) {
+            return;
+        }
+
         // if there is no path, keys of value are attribute paths
         foreach ($value as $key => $v) {
             if (is_numeric($key)) {

tests/BasicTest.php

@@ -524,4 +524,37 @@ public function testTotalResultsOnly(){
         $response = $this->get('/scim/v2/Users?count=0');
         $this->assertTrue(true);
     }
+
+    public function testPostTopLevelEmptyName()
+    {
+        $response = $this->post('/scim/v2/Users', [
+            // "id" => 1,
+            "schemas" => [
+                "urn:ietf:params:scim:schemas:core:2.0:User",
+            ],
+            "name" => [],
+            "userName" => "Dr. Marie Jo",
+            "password" => "Password123",
+            "emails" => [
+                [
+                    "value" => "[email protected]",
+                    "type" => "primary",
+                    "primary" => true
+                ]
+            ]
+
+        ]);
+
+        $this->assertEquals(
+            201,
+            $response->baseResponse->getStatusCode(),
+            'Wrong status: ' . $response->baseResponse->content()
+        );
+
+        $json = $response->json();
+
+        $this->assertArrayHasKey('urn:ietf:params:scim:schemas:core:2.0:User', $json);
+        $this->assertEquals('[email protected]', $json['urn:ietf:params:scim:schemas:core:2.0:User']['emails'][0]['value']);
+        $this->assertEquals('Dr. Marie Jo', $json['urn:ietf:params:scim:schemas:core:2.0:User']['userName']);
+    }
 }