// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package testutil

import (
	"testing"

	"github.com/ethereum/go-ethereum/swarm/chunk"
)

// CheckTag checks the first tag in the api struct to be in a certain state
func CheckTag(t *testing.T, tag *chunk.Tag, split, stored, seen, total int64) {
	t.Helper()
	if tag == nil {
		t.Fatal("no tag found")
	}

	tSplit := tag.Get(chunk.StateSplit)
	if tSplit != split {
		t.Fatalf("should have had split chunks, got %d want %d", tSplit, split)
	}

	tSeen := tag.Get(chunk.StateSeen)
	if tSeen != seen {
		t.Fatalf("should have had seen chunks, got %d want %d", tSeen, seen)
	}

	tStored := tag.Get(chunk.StateStored)
	if tStored != stored {
		t.Fatalf("mismatch stored chunks, got %d want %d", tStored, stored)
	}

	tTotal := tag.Total()
	if tTotal != total {
		t.Fatalf("mismatch total chunks, got %d want %d", tTotal, total)
	}
}