package cp437tree import ( "testing" ) func Test_Main(t *testing.T) { tree := Tree{ Text: "1", Children: []Tree{ { Text: "2", Children: []Tree{ { Text: "3", }, { Text: "4", }, { Text: "5", }, { Text: "6", }, { Text: "7", Children: []Tree{ { Text: "8", }, }, }, }, }, { Text: "9", }, { Text: "10", Children: []Tree{ { Text: "11", Children: []Tree{ { Text: "12", Children: []Tree{ { Text: "13", Children: []Tree{ { Text: "14", Children: []Tree{ { Text: "15", }, }, }, }, }, }, }, }, }, }, }, }, } t.Error(tree) }