expectException(\InvalidArgumentException::class); RecursiveUtf8Validator::validateRows([ (object) [ 'name' => 'test 1', 'value' => 'something', ], (object) [ 'name' => 'test 2', 'value' => "some\xa1\xa2thing", ], ]); } public function testAcceptValidUtf8Characters() { $this->assertTrue(RecursiveUtf8Validator::validateRows([ (object) [ 'name' => 'test 1', 'value' => "Some 🍻", ], (object) [ 'name' => 'test 2', 'value' => [ (object) [ 'its' => true, ['💩'] ] ], ], ])); } }