public function testHandle()
 {
     $e = new ErrorHandler(0);
     $this->assertFalse($e->handle(0, 'foo', 'foo.php', 12, 'foo'));
     $e = new ErrorHandler(3);
     $this->assertFalse($e->handle(4, 'foo', 'foo.php', 12, 'foo'));
     $e = new ErrorHandler(3);
     try {
         $e->handle(1, 'foo', 'foo.php', 12, 'foo');
     } catch (\ErrorException $e) {
         $this->assertSame('1: foo in foo.php line 12', $e->getMessage());
     }
 }