diff --git a/.idea/php-test-framework.xml b/.idea/php-test-framework.xml
index 9e52408..8df1288 100644
--- a/.idea/php-test-framework.xml
+++ b/.idea/php-test-framework.xml
@@ -5,7 +5,7 @@
       <tool tool_name="PHPUnit">
         <cache>
           <versions>
-            <info id="локальныйD:\Program Files\PHPStorm dependens\PHPUnit\phpunit.phar" version="11.5.6" />
+            <info id="локальныйD:\Internet\php\tools\phpunit\phpunit_2.phar" version="11.5.6" />
           </versions>
         </cache>
       </tool>
diff --git a/.idea/php.xml b/.idea/php.xml
index 957357b..7321c98 100644
--- a/.idea/php.xml
+++ b/.idea/php.xml
@@ -46,7 +46,7 @@
   </component>
   <component name="PhpUnit">
     <phpunit_settings>
-      <PhpUnitSettings load_method="PHPUNIT_PHAR" custom_loader_path="$PROJECT_DIR$/vendor/autoload.php" phpunit_phar_path="$PROJECT_DIR$/../../Program Files/PHPStorm dependens/PHPUnit/phpunit.phar" />
+      <PhpUnitSettings load_method="PHPUNIT_PHAR" custom_loader_path="$PROJECT_DIR$/vendor/autoload.php" phpunit_phar_path="D:/Internet/php/tools/phpunit/phpunit_2.phar" />
     </phpunit_settings>
   </component>
   <component name="PsalmOptionsConfiguration">
diff --git a/.idea/phpunit.xml b/.idea/phpunit.xml
index 4f8104c..395ca1f 100644
--- a/.idea/phpunit.xml
+++ b/.idea/phpunit.xml
@@ -3,7 +3,7 @@
   <component name="PHPUnit">
     <option name="directories">
       <list>
-        <option value="$PROJECT_DIR$/tests" />
+        <option value="E:\MyComponents\anb_php_components_pack\tests" />
       </list>
     </option>
   </component>
diff --git a/sources/traits/ObjectArray/ObjectArrayBasicTrait.php b/sources/traits/ObjectArray/ObjectArrayBasicTrait.php
index b427d23..3e3683f 100644
--- a/sources/traits/ObjectArray/ObjectArrayBasicTrait.php
+++ b/sources/traits/ObjectArray/ObjectArrayBasicTrait.php
@@ -27,7 +27,7 @@ trait ObjectArrayBasicTrait
      */
     public function offsetGet (mixed $offset): mixed
     {
-        return $this->container[$offset] ?? null;
+        return $this->Container[$offset] ?? null;
     }
 
     /**
diff --git a/sources/traits/ObjectArray/ObjectArraySearchAndSortTrait.php b/sources/traits/ObjectArray/ObjectArraySearchAndSortTrait.php
index 861c99d..ac87ab6 100644
--- a/sources/traits/ObjectArray/ObjectArraySearchAndSortTrait.php
+++ b/sources/traits/ObjectArray/ObjectArraySearchAndSortTrait.php
@@ -66,9 +66,9 @@ trait ObjectArraySearchAndSortTrait
      * @param string $objectProperty Имя свойства объекта
      * @param bool $descending Направление сортировки
      *
-     * @return array Отсортированный массив объектов
+     * @return void
      */
-    public function Sort (string $objectProperty, bool $descending = false): array
+    public function Sort (string $objectProperty, bool $descending = false): void
     {
         // Создаём результирующий массив
         $result = array_merge($this->Container, []);
@@ -80,8 +80,8 @@ trait ObjectArraySearchAndSortTrait
                 ? $a->$objectProperty <=> $b->$objectProperty
                 : $b->$objectProperty <=> $a->$objectProperty);
 
-        // Возвращаем результат
-        return $result;
+        // Присваиваем результат
+        $this->Container = $result;
     }
 
     /**
diff --git a/tests/classes/ClassMapperTest.php b/tests/classes/ClassMapperTest.php
index fe283d7..1efbada 100644
--- a/tests/classes/ClassMapperTest.php
+++ b/tests/classes/ClassMapperTest.php
@@ -25,6 +25,8 @@ class ClassMapperTest extends TestCase
 
     private function PrepareForTest (): void
     {
+        require_once __DIR__ . '/../data/A.php';
+        require_once __DIR__ . '/../data/B.php';
         require_once __DIR__ . '/../../sources/classes/classMapper.php';
     }
-}
+}
\ No newline at end of file
diff --git a/tests/classes/ObjectArrayTest.php b/tests/classes/ObjectArrayTest.php
new file mode 100644
index 0000000..8d8ac0f
--- /dev/null
+++ b/tests/classes/ObjectArrayTest.php
@@ -0,0 +1,167 @@
+<?php
+
+namespace goodboyalex\php_components_pack\tests\classes;
+
+use goodboyalex\php_components_pack\classes\ObjectArray;
+use goodboyalex\php_components_pack\tests\data\A;
+use PHPUnit\Framework\TestCase;
+
+class ObjectArrayTest extends TestCase
+{
+    public function testSort ()
+    {
+        $this->PrepareForTest();
+
+        $array = [
+            new A("a", 3, true),
+            new A("c", 2, false),
+            new A("b", 1, true),
+        ];
+
+        $a_Array = new ObjectArray($array);
+        $b_Array = new ObjectArray($array);
+
+        $a_Array->Sort('a');
+        $b_Array->Sort('b');
+
+        $this->assertEquals('a', $a_Array[0]->a);
+        $this->assertEquals('b', $a_Array[1]->a);
+        $this->assertEquals('c', $a_Array[2]->a);
+
+        $this->assertEquals('1', $b_Array[0]->b);
+        $this->assertEquals('2', $b_Array[1]->b);
+        $this->assertEquals('3', $b_Array[2]->b);
+
+    }
+
+    private function PrepareForTest (): void
+    {
+        require_once __DIR__ . '/../data/A.php';
+        require_once __DIR__ . '/../data/B.php';
+        require_once __DIR__ . '/../../sources/interfaces/ISerializable.php';
+        require_once __DIR__ . '/../../sources/traits/ObjectArray/ObjectArrayBasicTrait.php';
+        require_once __DIR__ . '/../../sources/traits/ObjectArray/ObjectArrayConstantsTrait.php';
+        require_once __DIR__ . '/../../sources/traits/ObjectArray/ObjectArrayLINQTrait.php';
+        require_once __DIR__ . '/../../sources/traits/ObjectArray/ObjectArraySearchAndSortTrait.php';
+        require_once __DIR__ . '/../../sources/classes/ObjectArray.php';
+    }
+
+    public function testSearch ()
+    {
+        $this->PrepareForTest();
+
+        $array = [
+            new A("a", 3, true),
+            new A("c", 2, false),
+            new A("b", 1, true),
+        ];
+
+        $a_Array = new ObjectArray($array);
+
+        $sr = $a_Array->Search('a', 'c');
+
+        $this->assertEquals(2, $sr->b);
+    }
+
+    public function testGetRows ()
+    {
+        $this->PrepareForTest();
+
+        $array = [
+            new A("a", 3, true),
+            new A("c", 2, false),
+            new A("b", 1, true),
+        ];
+
+        $a_Array = new ObjectArray($array);
+
+        $sr = $a_Array->GetRows(fn (A $a): bool => $a->b < 3);
+
+        $sr->Sort("b");
+
+        $this->assertCount(2, $sr);
+        $this->assertEquals('1', $sr[0]->b);
+        $this->assertEquals('2', $sr[1]->b);
+    }
+
+    public function testGetValue ()
+    {
+        $this->PrepareForTest();
+
+        $array = [
+            new A("a", 3, true),
+            new A("c", 2, false),
+            new A("b", 1, true),
+        ];
+
+        $a_Array = new ObjectArray($array);
+        $sr = $a_Array->GetValue("b", fn (A $a): bool => $a->b < 2);
+
+        $this->assertNotNull($sr);
+        $this->assertEquals(1, $sr);
+    }
+
+    public function testCount ()
+    {
+        $this->PrepareForTest();
+
+        $array = [
+            new A("a", 3, true),
+            new A("c", 2, false),
+            new A("b", 1, true),
+        ];
+
+        $a_Array = new ObjectArray($array);
+
+        $cnt = $a_Array->Count();
+        $this->assertEquals(3, $cnt);
+
+        $cnt = $a_Array->Count(fn (A $a): bool => $a->b < 3);
+        $this->assertEquals(2, $cnt);
+    }
+
+    public function testDelete ()
+    {
+
+    }
+
+    public function testMaxBy ()
+    {
+
+    }
+
+    public function testGetColumn ()
+    {
+
+    }
+
+    public function testToArray ()
+    {
+
+    }
+
+    public function testMinBy ()
+    {
+
+    }
+
+    public function testIsExist ()
+    {
+
+    }
+
+    public function testSortCallback ()
+    {
+
+    }
+
+    public function testUpdate ()
+    {
+
+    }
+
+    public function testGetRow ()
+    {
+
+    }
+}
\ No newline at end of file
diff --git a/tests/data/A.php b/tests/data/A.php
index 384d64a..097740f 100644
--- a/tests/data/A.php
+++ b/tests/data/A.php
@@ -7,4 +7,11 @@ class A
     public string $a;
     public int $b;
     public bool $c;
+
+    public function __construct (string $a = "", int $b = 0, bool $c = false)
+    {
+        $this->a = $a;
+        $this->b = $b;
+        $this->c = $c;
+    }
 }
\ No newline at end of file