package types

import (
	"testing"

	"github.com/stretchr/testify/require"

	ethcmn "github.com/ethereum/go-ethereum/common"
)

func TestIsEmptyHash(t *testing.T) {
	testCases := []struct {
		name     string
		hash     string
		expEmpty bool
	}{
		{
			"empty string", "", true,
		},
		{
			"zero hash", ethcmn.Hash{}.String(), true,
		},

		{
			"non-empty hash", ethcmn.BytesToHash([]byte{1, 2, 3, 4}).String(), false,
		},
	}

	for _, tc := range testCases {
		require.Equal(t, tc.expEmpty, IsEmptyHash(tc.hash), tc.name)
	}
}

func TestIsZeroAddress(t *testing.T) {
	testCases := []struct {
		name     string
		address  string
		expEmpty bool
	}{
		{
			"empty string", "", true,
		},
		{
			"zero address", ethcmn.Address{}.String(), true,
		},

		{
			"non-empty address", ethcmn.BytesToAddress([]byte{1, 2, 3, 4}).String(), false,
		},
	}

	for _, tc := range testCases {
		require.Equal(t, tc.expEmpty, IsZeroAddress(tc.address), tc.name)
	}
}