assertTrue(is_bool($result)); // ... indicating failure $this->assertFalse($result); } public function testAutoloaderInvalidPHPExcelClass() { $className = 'PHPExcel_Invalid_Class'; $result = PHPExcel_Autoloader::Load($className); // Must return a boolean... $this->assertTrue(is_bool($result)); // ... indicating failure $this->assertFalse($result); } public function testAutoloadValidPHPExcelClass() { $className = 'PHPExcel_IOFactory'; $result = PHPExcel_Autoloader::Load($className); // Check that class has been loaded $this->assertTrue(class_exists($className)); } public function testAutoloadInstantiateSuccess() { $result = new PHPExcel_Calculation_Function(1, 2, 3); // Must return an object... $this->assertTrue(is_object($result)); // ... of the correct type $this->assertTrue(is_a($result, 'PHPExcel_Calculation_Function')); } }