package utils import "testing" func TestClen(t *testing.T) { normalString := append([]byte("abcd"), 0) type args struct { n []byte } tests := []struct { name string args args want int }{ {"empty string", args{}, 0}, {"normal string", args{normalString}, 4}, {"non null terminated string", args{[]byte("abcd")}, 4}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { if got := Clen(tt.args.n); got != tt.want { t.Errorf("Clen() = %v, want %v", got, tt.want) } }) } }