// Don't check writer if logging is disabled.
			if w == nil {
				return
			}

			if options.LogOptions.Path == "-" {
				assert.Equal(t, os.Stdout, w)
				assert.NoFileExists(t, options.LogOptions.Path)
			} else {
				assert.IsType(t, (*lumberjack.Logger)(nil), w)
				assert.FileExists(t, options.LogOptions.Path)
			}
		})
	}
}