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quorum/swarm/network/stream/intervals/intervals_test.go

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// Copyright 2018 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 intervals
import "testing"
// Test tests Interval methods Add, Next and Last for various
// initial state.
func Test(t *testing.T) {
for i, tc := range []struct {
startLimit uint64
initial [][2]uint64
start uint64
end uint64
expected string
nextStart uint64
nextEnd uint64
last uint64
}{
{
initial: nil,
start: 0,
end: 0,
expected: "[[0 0]]",
nextStart: 1,
nextEnd: 0,
last: 0,
},
{
initial: nil,
start: 0,
end: 10,
expected: "[[0 10]]",
nextStart: 11,
nextEnd: 0,
last: 10,
},
{
initial: nil,
start: 5,
end: 15,
expected: "[[5 15]]",
nextStart: 0,
nextEnd: 4,
last: 15,
},
{
initial: [][2]uint64{{0, 0}},
start: 0,
end: 0,
expected: "[[0 0]]",
nextStart: 1,
nextEnd: 0,
last: 0,
},
{
initial: [][2]uint64{{0, 0}},
start: 5,
end: 15,
expected: "[[0 0] [5 15]]",
nextStart: 1,
nextEnd: 4,
last: 15,
},
{
initial: [][2]uint64{{5, 15}},
start: 5,
end: 15,
expected: "[[5 15]]",
nextStart: 0,
nextEnd: 4,
last: 15,
},
{
initial: [][2]uint64{{5, 15}},
start: 5,
end: 20,
expected: "[[5 20]]",
nextStart: 0,
nextEnd: 4,
last: 20,
},
{
initial: [][2]uint64{{5, 15}},
start: 10,
end: 20,
expected: "[[5 20]]",
nextStart: 0,
nextEnd: 4,
last: 20,
},
{
initial: [][2]uint64{{5, 15}},
start: 0,
end: 20,
expected: "[[0 20]]",
nextStart: 21,
nextEnd: 0,
last: 20,
},
{
initial: [][2]uint64{{5, 15}},
start: 2,
end: 10,
expected: "[[2 15]]",
nextStart: 0,
nextEnd: 1,
last: 15,
},
{
initial: [][2]uint64{{5, 15}},
start: 2,
end: 4,
expected: "[[2 15]]",
nextStart: 0,
nextEnd: 1,
last: 15,
},
{
initial: [][2]uint64{{5, 15}},
start: 2,
end: 5,
expected: "[[2 15]]",
nextStart: 0,
nextEnd: 1,
last: 15,
},
{
initial: [][2]uint64{{5, 15}},
start: 2,
end: 3,
expected: "[[2 3] [5 15]]",
nextStart: 0,
nextEnd: 1,
last: 15,
},
{
initial: [][2]uint64{{5, 15}},
start: 2,
end: 4,
expected: "[[2 15]]",
nextStart: 0,
nextEnd: 1,
last: 15,
},
{
initial: [][2]uint64{{0, 1}, {5, 15}},
start: 2,
end: 4,
expected: "[[0 15]]",
nextStart: 16,
nextEnd: 0,
last: 15,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}},
start: 2,
end: 10,
expected: "[[0 10] [15 20]]",
nextStart: 11,
nextEnd: 14,
last: 20,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}},
start: 8,
end: 18,
expected: "[[0 5] [8 20]]",
nextStart: 6,
nextEnd: 7,
last: 20,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}},
start: 2,
end: 17,
expected: "[[0 20]]",
nextStart: 21,
nextEnd: 0,
last: 20,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}},
start: 2,
end: 25,
expected: "[[0 25]]",
nextStart: 26,
nextEnd: 0,
last: 25,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}},
start: 5,
end: 14,
expected: "[[0 20]]",
nextStart: 21,
nextEnd: 0,
last: 20,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}},
start: 6,
end: 14,
expected: "[[0 20]]",
nextStart: 21,
nextEnd: 0,
last: 20,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}, {30, 40}},
start: 6,
end: 29,
expected: "[[0 40]]",
nextStart: 41,
nextEnd: 0,
last: 40,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}, {30, 40}, {50, 60}},
start: 3,
end: 55,
expected: "[[0 60]]",
nextStart: 61,
nextEnd: 0,
last: 60,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}, {30, 40}, {50, 60}},
start: 21,
end: 49,
expected: "[[0 5] [15 60]]",
nextStart: 6,
nextEnd: 14,
last: 60,
},
{
initial: [][2]uint64{{0, 5}, {15, 20}, {30, 40}, {50, 60}},
start: 0,
end: 100,
expected: "[[0 100]]",
nextStart: 101,
nextEnd: 0,
last: 100,
},
{
startLimit: 100,
initial: nil,
start: 0,
end: 0,
expected: "[]",
nextStart: 100,
nextEnd: 0,
last: 0,
},
{
startLimit: 100,
initial: nil,
start: 20,
end: 30,
expected: "[]",
nextStart: 100,
nextEnd: 0,
last: 0,
},
{
startLimit: 100,
initial: nil,
start: 50,
end: 100,
expected: "[[100 100]]",
nextStart: 101,
nextEnd: 0,
last: 100,
},
{
startLimit: 100,
initial: nil,
start: 50,
end: 110,
expected: "[[100 110]]",
nextStart: 111,
nextEnd: 0,
last: 110,
},
{
startLimit: 100,
initial: nil,
start: 120,
end: 130,
expected: "[[120 130]]",
nextStart: 100,
nextEnd: 119,
last: 130,
},
{
startLimit: 100,
initial: nil,
start: 120,
end: 130,
expected: "[[120 130]]",
nextStart: 100,
nextEnd: 119,
last: 130,
},
} {
intervals := NewIntervals(tc.startLimit)
intervals.ranges = tc.initial
intervals.Add(tc.start, tc.end)
got := intervals.String()
if got != tc.expected {
t.Errorf("interval #%d: expected %s, got %s", i, tc.expected, got)
}
nextStart, nextEnd := intervals.Next()
if nextStart != tc.nextStart {
t.Errorf("interval #%d, expected next start %d, got %d", i, tc.nextStart, nextStart)
}
if nextEnd != tc.nextEnd {
t.Errorf("interval #%d, expected next end %d, got %d", i, tc.nextEnd, nextEnd)
}
last := intervals.Last()
if last != tc.last {
t.Errorf("interval #%d, expected last %d, got %d", i, tc.last, last)
}
}
}
func TestMerge(t *testing.T) {
for i, tc := range []struct {
initial [][2]uint64
merge [][2]uint64
expected string
}{
{
initial: nil,
merge: nil,
expected: "[]",
},
{
initial: [][2]uint64{{10, 20}},
merge: nil,
expected: "[[10 20]]",
},
{
initial: nil,
merge: [][2]uint64{{15, 25}},
expected: "[[15 25]]",
},
{
initial: [][2]uint64{{0, 100}},
merge: [][2]uint64{{150, 250}},
expected: "[[0 100] [150 250]]",
},
{
initial: [][2]uint64{{0, 100}},
merge: [][2]uint64{{101, 250}},
expected: "[[0 250]]",
},
{
initial: [][2]uint64{{0, 10}, {30, 40}},
merge: [][2]uint64{{20, 25}, {41, 50}},
expected: "[[0 10] [20 25] [30 50]]",
},
{
initial: [][2]uint64{{0, 5}, {15, 20}, {30, 40}, {50, 60}},
merge: [][2]uint64{{6, 25}},
expected: "[[0 25] [30 40] [50 60]]",
},
} {
intervals := NewIntervals(0)
intervals.ranges = tc.initial
m := NewIntervals(0)
m.ranges = tc.merge
intervals.Merge(m)
got := intervals.String()
if got != tc.expected {
t.Errorf("interval #%d: expected %s, got %s", i, tc.expected, got)
}
}
}
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