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// Copyright 2024 Google LLC. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package layout
import (
"fmt"
"testing"
)
func TestNodeCoordsToTileAddress(t *testing.T) {
for _, test := range []struct {
treeLevel uint64
treeIndex uint64
wantTileLevel uint64
wantTileIndex uint64
wantNodeLevel uint
wantNodeIndex uint64
}{
{
treeLevel: 0,
treeIndex: 0,
wantTileLevel: 0,
wantTileIndex: 0,
wantNodeLevel: 0,
wantNodeIndex: 0,
}, {
treeLevel: 0,
treeIndex: 255,
wantTileLevel: 0,
wantTileIndex: 0,
wantNodeLevel: 0,
wantNodeIndex: 255,
}, {
treeLevel: 0,
treeIndex: 256,
wantTileLevel: 0,
wantTileIndex: 1,
wantNodeLevel: 0,
wantNodeIndex: 0,
}, {
treeLevel: 1,
treeIndex: 0,
wantTileLevel: 0,
wantTileIndex: 0,
wantNodeLevel: 1,
wantNodeIndex: 0,
}, {
treeLevel: 8,
treeIndex: 0,
wantTileLevel: 1,
wantTileIndex: 0,
wantNodeLevel: 0,
wantNodeIndex: 0,
},
} {
t.Run(fmt.Sprintf("%d-%d", test.treeLevel, test.treeIndex), func(t *testing.T) {
tl, ti, nl, ni := NodeCoordsToTileAddress(test.treeLevel, test.treeIndex)
if got, want := tl, test.wantTileLevel; got != want {
t.Errorf("Got TileLevel %d want %d", got, want)
}
if got, want := ti, test.wantTileIndex; got != want {
t.Errorf("Got TileIndex %d want %d", got, want)
}
if got, want := nl, test.wantNodeLevel; got != want {
t.Errorf("Got NodeLevel %d want %d", got, want)
}
if got, want := ni, test.wantNodeIndex; got != want {
t.Errorf("Got NodeIndex %d want %d", got, want)
}
})
}
}
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