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// Copyright 2016 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 trie
import "testing"
func TestCanUnload(t *testing.T) {
tests := []struct {
flag nodeFlag
cachegen, cachelimit uint16
want bool
}{
{
flag: nodeFlag{dirty: true, gen: 0},
want: false,
},
{
flag: nodeFlag{dirty: false, gen: 0},
cachegen: 0, cachelimit: 0,
want: true,
},
{
flag: nodeFlag{dirty: false, gen: 65534},
cachegen: 65535, cachelimit: 1,
want: true,
},
{
flag: nodeFlag{dirty: false, gen: 65534},
cachegen: 0, cachelimit: 1,
want: true,
},
{
flag: nodeFlag{dirty: false, gen: 1},
cachegen: 65535, cachelimit: 1,
want: true,
},
}
for _, test := range tests {
if got := test.flag.canUnload(test.cachegen, test.cachelimit); got != test.want {
t.Errorf("%+v\n got %t, want %t", test, got, test.want)
}
}
}
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