assertTrue(class_exists('VSecurity')); } public function testBasicInputValidation() { $this->assertEquals(123, VSecurity::validateInput('123', 'int')); $this->assertNull(VSecurity::validateInput('abc', 'int')); } public function testCSRFTokenGeneration() { $token = VSecurity::generateCSRFToken('test'); $this->assertIsString($token); $this->assertEquals(64, strlen($token)); } }