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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2025 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package bimap_test
import (
"testing"
"github.com/snapcore/snapd/cluster/assemblestate/bimap"
"gopkg.in/check.v1"
)
type BimapSuite struct{}
var _ = check.Suite(&BimapSuite{})
func Test(t *testing.T) { check.TestingT(t) }
func (s *BimapSuite) TestAdd(c *check.C) {
bm := bimap.New[string, int]()
indexA := bm.Add("a")
c.Assert(indexA, check.Equals, 0)
indexB := bm.Add("b")
c.Assert(indexB, check.Equals, 1)
// adding another value doesn't invalidate other indexes
indexA = bm.Add("a")
c.Assert(indexA, check.Equals, 0)
c.Assert(len(bm.Values()), check.Equals, 2, check.Commentf("duplicate insert expanded slice"))
}
func (s *BimapSuite) TestIndexOfAndValue(c *check.C) {
bm := bimap.New[string, int]()
bm.Add("a")
idx, ok := bm.IndexOf("a")
c.Assert(ok, check.Equals, true)
c.Assert(idx, check.Equals, 0)
_, ok = bm.IndexOf("b")
c.Assert(ok, check.Equals, false)
}
func (s *BimapSuite) TestValue(c *check.C) {
bm := bimap.New[string, int]()
idx := bm.Add("a")
val := bm.Value(idx)
c.Assert(val, check.Equals, "a")
}
func (s *BimapSuite) TestValuesOrdering(c *check.C) {
expected := []string{"x", "y", "z"}
bm := bimap.New[string, int]()
for _, v := range expected {
bm.Add(v)
}
c.Assert(bm.Values(), check.DeepEquals, expected)
}
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