github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/trie/node_test.go (about) 1 // This file is part of the go-sberex library. The go-sberex library is 2 // free software: you can redistribute it and/or modify it under the terms 3 // of the GNU Lesser General Public License as published by the Free 4 // Software Foundation, either version 3 of the License, or (at your option) 5 // any later version. 6 // 7 // The go-sberex library is distributed in the hope that it will be useful, 8 // but WITHOUT ANY WARRANTY; without even the implied warranty of 9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 10 // General Public License <http://www.gnu.org/licenses/> for more details. 11 12 package trie 13 14 import "testing" 15 16 func TestCanUnload(t *testing.T) { 17 tests := []struct { 18 flag nodeFlag 19 cachegen, cachelimit uint16 20 want bool 21 }{ 22 { 23 flag: nodeFlag{dirty: true, gen: 0}, 24 want: false, 25 }, 26 { 27 flag: nodeFlag{dirty: false, gen: 0}, 28 cachegen: 0, cachelimit: 0, 29 want: true, 30 }, 31 { 32 flag: nodeFlag{dirty: false, gen: 65534}, 33 cachegen: 65535, cachelimit: 1, 34 want: true, 35 }, 36 { 37 flag: nodeFlag{dirty: false, gen: 65534}, 38 cachegen: 0, cachelimit: 1, 39 want: true, 40 }, 41 { 42 flag: nodeFlag{dirty: false, gen: 1}, 43 cachegen: 65535, cachelimit: 1, 44 want: true, 45 }, 46 } 47 48 for _, test := range tests { 49 if got := test.flag.canUnload(test.cachegen, test.cachelimit); got != test.want { 50 t.Errorf("%+v\n got %t, want %t", test, got, test.want) 51 } 52 } 53 }