package acmedns

import (
	"encoding/json"
	"testing"
)

func TestCidrSlice(t *testing.T) {
	for i, test := range []struct {
		input       Cidrslice
		expectedErr bool
		expectedLen int
	}{
		{[]string{"192.168.1.0/24"}, false, 1},
		{[]string{"shoulderror"}, true, 0},
		{[]string{"2001:db8:aaaaa::"}, true, 0},
		{[]string{"192.168.1.0/24", "2001:db8::/32"}, false, 2},
	} {
		err := test.input.IsValid()
		if test.expectedErr && err == nil {
			t.Errorf("Expected test %d to generate IsValid() error but it didn't", i)
		}
		if !test.expectedErr && err != nil {
			t.Errorf("Expected test %d to pass IsValid() but it generated an error %s", i, err)
		}
		outSlice := []string{}
		err = json.Unmarshal([]byte(test.input.JSON()), &outSlice)
		if err != nil {
			t.Errorf("Unexpected error when unmarshaling Cidrslice JSON: %s", err)
		}
		if len(outSlice) != test.expectedLen {
			t.Errorf("Expected cidrslice JSON to be of length %d, but got %d instead for test %d", test.expectedLen, len(outSlice), i)
		}
	}
}