mirror of
https://github.com/Luzifer/ansible-role-version.git
synced 2024-12-23 19:11:20 +00:00
742 lines
18 KiB
Go
742 lines
18 KiB
Go
// Copyright (c) 2015, Emir Pasic. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package redblacktree
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import (
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"fmt"
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"testing"
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)
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func TestRedBlackTreePut(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(5, "e")
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tree.Put(6, "f")
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tree.Put(7, "g")
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tree.Put(3, "c")
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tree.Put(4, "d")
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tree.Put(1, "x")
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tree.Put(2, "b")
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tree.Put(1, "a") //overwrite
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if actualValue := tree.Size(); actualValue != 7 {
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t.Errorf("Got %v expected %v", actualValue, 7)
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}
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if actualValue, expectedValue := fmt.Sprintf("%d%d%d%d%d%d%d", tree.Keys()...), "1234567"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue, expectedValue := fmt.Sprintf("%s%s%s%s%s%s%s", tree.Values()...), "abcdefg"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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tests1 := [][]interface{}{
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{1, "a", true},
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{2, "b", true},
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{3, "c", true},
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{4, "d", true},
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{5, "e", true},
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{6, "f", true},
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{7, "g", true},
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{8, nil, false},
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}
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for _, test := range tests1 {
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// retrievals
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actualValue, actualFound := tree.Get(test[0])
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if actualValue != test[1] || actualFound != test[2] {
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t.Errorf("Got %v expected %v", actualValue, test[1])
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}
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}
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}
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func TestRedBlackTreeRemove(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(5, "e")
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tree.Put(6, "f")
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tree.Put(7, "g")
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tree.Put(3, "c")
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tree.Put(4, "d")
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tree.Put(1, "x")
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tree.Put(2, "b")
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tree.Put(1, "a") //overwrite
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tree.Remove(5)
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tree.Remove(6)
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tree.Remove(7)
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tree.Remove(8)
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tree.Remove(5)
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if actualValue, expectedValue := fmt.Sprintf("%d%d%d%d", tree.Keys()...), "1234"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue, expectedValue := fmt.Sprintf("%s%s%s%s", tree.Values()...), "abcd"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue, expectedValue := fmt.Sprintf("%s%s%s%s", tree.Values()...), "abcd"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue := tree.Size(); actualValue != 4 {
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t.Errorf("Got %v expected %v", actualValue, 7)
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}
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tests2 := [][]interface{}{
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{1, "a", true},
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{2, "b", true},
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{3, "c", true},
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{4, "d", true},
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{5, nil, false},
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{6, nil, false},
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{7, nil, false},
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{8, nil, false},
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}
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for _, test := range tests2 {
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actualValue, actualFound := tree.Get(test[0])
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if actualValue != test[1] || actualFound != test[2] {
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t.Errorf("Got %v expected %v", actualValue, test[1])
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}
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}
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tree.Remove(1)
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tree.Remove(4)
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tree.Remove(2)
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tree.Remove(3)
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tree.Remove(2)
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tree.Remove(2)
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if actualValue, expectedValue := fmt.Sprintf("%s", tree.Keys()), "[]"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue, expectedValue := fmt.Sprintf("%s", tree.Values()), "[]"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if empty, size := tree.Empty(), tree.Size(); empty != true || size != -0 {
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t.Errorf("Got %v expected %v", empty, true)
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}
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}
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func TestRedBlackTreeLeftAndRight(t *testing.T) {
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tree := NewWithIntComparator()
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if actualValue := tree.Left(); actualValue != nil {
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t.Errorf("Got %v expected %v", actualValue, nil)
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}
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if actualValue := tree.Right(); actualValue != nil {
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t.Errorf("Got %v expected %v", actualValue, nil)
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}
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tree.Put(1, "a")
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tree.Put(5, "e")
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tree.Put(6, "f")
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tree.Put(7, "g")
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tree.Put(3, "c")
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tree.Put(4, "d")
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tree.Put(1, "x") // overwrite
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tree.Put(2, "b")
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if actualValue, expectedValue := fmt.Sprintf("%d", tree.Left().Key), "1"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue, expectedValue := fmt.Sprintf("%s", tree.Left().Value), "x"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue, expectedValue := fmt.Sprintf("%d", tree.Right().Key), "7"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue, expectedValue := fmt.Sprintf("%s", tree.Right().Value), "g"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeCeilingAndFloor(t *testing.T) {
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tree := NewWithIntComparator()
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if node, found := tree.Floor(0); node != nil || found {
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t.Errorf("Got %v expected %v", node, "<nil>")
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}
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if node, found := tree.Ceiling(0); node != nil || found {
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t.Errorf("Got %v expected %v", node, "<nil>")
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}
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tree.Put(5, "e")
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tree.Put(6, "f")
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tree.Put(7, "g")
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tree.Put(3, "c")
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tree.Put(4, "d")
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tree.Put(1, "x")
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tree.Put(2, "b")
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if node, found := tree.Floor(4); node.Key != 4 || !found {
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t.Errorf("Got %v expected %v", node.Key, 4)
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}
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if node, found := tree.Floor(0); node != nil || found {
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t.Errorf("Got %v expected %v", node, "<nil>")
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}
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if node, found := tree.Ceiling(4); node.Key != 4 || !found {
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t.Errorf("Got %v expected %v", node.Key, 4)
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}
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if node, found := tree.Ceiling(8); node != nil || found {
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t.Errorf("Got %v expected %v", node, "<nil>")
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}
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}
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func TestRedBlackTreeIteratorNextOnEmpty(t *testing.T) {
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tree := NewWithIntComparator()
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it := tree.Iterator()
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for it.Next() {
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t.Errorf("Shouldn't iterate on empty tree")
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}
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}
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func TestRedBlackTreeIteratorPrevOnEmpty(t *testing.T) {
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tree := NewWithIntComparator()
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it := tree.Iterator()
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for it.Prev() {
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t.Errorf("Shouldn't iterate on empty tree")
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}
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}
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func TestRedBlackTreeIterator1Next(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(5, "e")
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tree.Put(6, "f")
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tree.Put(7, "g")
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tree.Put(3, "c")
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tree.Put(4, "d")
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tree.Put(1, "x")
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tree.Put(2, "b")
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tree.Put(1, "a") //overwrite
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// │ ┌── 7
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// └── 6
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// │ ┌── 5
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// └── 4
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// │ ┌── 3
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// └── 2
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// └── 1
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it := tree.Iterator()
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count := 0
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for it.Next() {
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count++
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key := it.Key()
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switch key {
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case count:
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if actualValue, expectedValue := key, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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default:
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if actualValue, expectedValue := key, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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}
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if actualValue, expectedValue := count, tree.Size(); actualValue != expectedValue {
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t.Errorf("Size different. Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeIterator1Prev(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(5, "e")
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tree.Put(6, "f")
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tree.Put(7, "g")
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tree.Put(3, "c")
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tree.Put(4, "d")
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tree.Put(1, "x")
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tree.Put(2, "b")
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tree.Put(1, "a") //overwrite
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// │ ┌── 7
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// └── 6
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// │ ┌── 5
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// └── 4
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// │ ┌── 3
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// └── 2
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// └── 1
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it := tree.Iterator()
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for it.Next() {
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}
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countDown := tree.size
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for it.Prev() {
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key := it.Key()
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switch key {
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case countDown:
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if actualValue, expectedValue := key, countDown; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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default:
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if actualValue, expectedValue := key, countDown; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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countDown--
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}
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if actualValue, expectedValue := countDown, 0; actualValue != expectedValue {
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t.Errorf("Size different. Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeIterator2Next(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(3, "c")
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tree.Put(1, "a")
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tree.Put(2, "b")
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it := tree.Iterator()
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count := 0
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for it.Next() {
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count++
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key := it.Key()
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switch key {
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case count:
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if actualValue, expectedValue := key, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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default:
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if actualValue, expectedValue := key, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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}
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if actualValue, expectedValue := count, tree.Size(); actualValue != expectedValue {
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t.Errorf("Size different. Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeIterator2Prev(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(3, "c")
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tree.Put(1, "a")
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tree.Put(2, "b")
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it := tree.Iterator()
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for it.Next() {
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}
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countDown := tree.size
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for it.Prev() {
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key := it.Key()
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switch key {
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case countDown:
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if actualValue, expectedValue := key, countDown; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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default:
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if actualValue, expectedValue := key, countDown; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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countDown--
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}
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if actualValue, expectedValue := countDown, 0; actualValue != expectedValue {
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t.Errorf("Size different. Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeIterator3Next(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(1, "a")
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it := tree.Iterator()
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count := 0
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for it.Next() {
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count++
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key := it.Key()
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switch key {
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case count:
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if actualValue, expectedValue := key, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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default:
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if actualValue, expectedValue := key, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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}
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if actualValue, expectedValue := count, tree.Size(); actualValue != expectedValue {
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t.Errorf("Size different. Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeIterator3Prev(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(1, "a")
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it := tree.Iterator()
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for it.Next() {
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}
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countDown := tree.size
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for it.Prev() {
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key := it.Key()
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switch key {
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case countDown:
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if actualValue, expectedValue := key, countDown; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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default:
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if actualValue, expectedValue := key, countDown; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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countDown--
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}
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if actualValue, expectedValue := countDown, 0; actualValue != expectedValue {
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t.Errorf("Size different. Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeIterator4Next(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(13, 5)
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tree.Put(8, 3)
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tree.Put(17, 7)
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tree.Put(1, 1)
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tree.Put(11, 4)
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tree.Put(15, 6)
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tree.Put(25, 9)
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tree.Put(6, 2)
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tree.Put(22, 8)
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tree.Put(27, 10)
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// │ ┌── 27
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// │ ┌── 25
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// │ │ └── 22
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// │ ┌── 17
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// │ │ └── 15
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// └── 13
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// │ ┌── 11
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// └── 8
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// │ ┌── 6
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// └── 1
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it := tree.Iterator()
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count := 0
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for it.Next() {
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count++
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value := it.Value()
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switch value {
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case count:
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if actualValue, expectedValue := value, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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default:
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if actualValue, expectedValue := value, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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}
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if actualValue, expectedValue := count, tree.Size(); actualValue != expectedValue {
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t.Errorf("Size different. Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeIterator4Prev(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(13, 5)
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tree.Put(8, 3)
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tree.Put(17, 7)
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tree.Put(1, 1)
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tree.Put(11, 4)
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tree.Put(15, 6)
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tree.Put(25, 9)
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tree.Put(6, 2)
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tree.Put(22, 8)
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tree.Put(27, 10)
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// │ ┌── 27
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// │ ┌── 25
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// │ │ └── 22
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// │ ┌── 17
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// │ │ └── 15
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// └── 13
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// │ ┌── 11
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// └── 8
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// │ ┌── 6
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// └── 1
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it := tree.Iterator()
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count := tree.Size()
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for it.Next() {
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}
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for it.Prev() {
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value := it.Value()
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switch value {
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case count:
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if actualValue, expectedValue := value, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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default:
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if actualValue, expectedValue := value, count; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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}
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count--
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}
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if actualValue, expectedValue := count, 0; actualValue != expectedValue {
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t.Errorf("Size different. Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestRedBlackTreeIteratorBegin(t *testing.T) {
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tree := NewWithIntComparator()
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tree.Put(3, "c")
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tree.Put(1, "a")
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tree.Put(2, "b")
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it := tree.Iterator()
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if it.node != nil {
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t.Errorf("Got %v expected %v", it.node, nil)
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}
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it.Begin()
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if it.node != nil {
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t.Errorf("Got %v expected %v", it.node, nil)
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}
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for it.Next() {
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}
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it.Begin()
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if it.node != nil {
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t.Errorf("Got %v expected %v", it.node, nil)
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}
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it.Next()
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if key, value := it.Key(), it.Value(); key != 1 || value != "a" {
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t.Errorf("Got %v,%v expected %v,%v", key, value, 1, "a")
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}
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}
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func TestRedBlackTreeIteratorEnd(t *testing.T) {
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tree := NewWithIntComparator()
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it := tree.Iterator()
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if it.node != nil {
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t.Errorf("Got %v expected %v", it.node, nil)
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}
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it.End()
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if it.node != nil {
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t.Errorf("Got %v expected %v", it.node, nil)
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}
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tree.Put(3, "c")
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tree.Put(1, "a")
|
|
tree.Put(2, "b")
|
|
it.End()
|
|
if it.node != nil {
|
|
t.Errorf("Got %v expected %v", it.node, nil)
|
|
}
|
|
|
|
it.Prev()
|
|
if key, value := it.Key(), it.Value(); key != 3 || value != "c" {
|
|
t.Errorf("Got %v,%v expected %v,%v", key, value, 3, "c")
|
|
}
|
|
}
|
|
|
|
func TestRedBlackTreeIteratorFirst(t *testing.T) {
|
|
tree := NewWithIntComparator()
|
|
tree.Put(3, "c")
|
|
tree.Put(1, "a")
|
|
tree.Put(2, "b")
|
|
it := tree.Iterator()
|
|
if actualValue, expectedValue := it.First(), true; actualValue != expectedValue {
|
|
t.Errorf("Got %v expected %v", actualValue, expectedValue)
|
|
}
|
|
if key, value := it.Key(), it.Value(); key != 1 || value != "a" {
|
|
t.Errorf("Got %v,%v expected %v,%v", key, value, 1, "a")
|
|
}
|
|
}
|
|
|
|
func TestRedBlackTreeIteratorLast(t *testing.T) {
|
|
tree := NewWithIntComparator()
|
|
tree.Put(3, "c")
|
|
tree.Put(1, "a")
|
|
tree.Put(2, "b")
|
|
it := tree.Iterator()
|
|
if actualValue, expectedValue := it.Last(), true; actualValue != expectedValue {
|
|
t.Errorf("Got %v expected %v", actualValue, expectedValue)
|
|
}
|
|
if key, value := it.Key(), it.Value(); key != 3 || value != "c" {
|
|
t.Errorf("Got %v,%v expected %v,%v", key, value, 3, "c")
|
|
}
|
|
}
|
|
|
|
func TestRedBlackTreeSerialization(t *testing.T) {
|
|
tree := NewWithStringComparator()
|
|
tree.Put("c", "3")
|
|
tree.Put("b", "2")
|
|
tree.Put("a", "1")
|
|
|
|
var err error
|
|
assert := func() {
|
|
if actualValue, expectedValue := tree.Size(), 3; actualValue != expectedValue {
|
|
t.Errorf("Got %v expected %v", actualValue, expectedValue)
|
|
}
|
|
if actualValue := tree.Keys(); actualValue[0].(string) != "a" || actualValue[1].(string) != "b" || actualValue[2].(string) != "c" {
|
|
t.Errorf("Got %v expected %v", actualValue, "[a,b,c]")
|
|
}
|
|
if actualValue := tree.Values(); actualValue[0].(string) != "1" || actualValue[1].(string) != "2" || actualValue[2].(string) != "3" {
|
|
t.Errorf("Got %v expected %v", actualValue, "[1,2,3]")
|
|
}
|
|
if err != nil {
|
|
t.Errorf("Got error %v", err)
|
|
}
|
|
}
|
|
|
|
assert()
|
|
|
|
json, err := tree.ToJSON()
|
|
assert()
|
|
|
|
err = tree.FromJSON(json)
|
|
assert()
|
|
}
|
|
|
|
func benchmarkGet(b *testing.B, tree *Tree, size int) {
|
|
for i := 0; i < b.N; i++ {
|
|
for n := 0; n < size; n++ {
|
|
tree.Get(n)
|
|
}
|
|
}
|
|
}
|
|
|
|
func benchmarkPut(b *testing.B, tree *Tree, size int) {
|
|
for i := 0; i < b.N; i++ {
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
}
|
|
}
|
|
|
|
func benchmarkRemove(b *testing.B, tree *Tree, size int) {
|
|
for i := 0; i < b.N; i++ {
|
|
for n := 0; n < size; n++ {
|
|
tree.Remove(n)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkRedBlackTreeGet100(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 100
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkGet(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreeGet1000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 1000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkGet(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreeGet10000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 10000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkGet(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreeGet100000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 100000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkGet(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreePut100(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 100
|
|
tree := NewWithIntComparator()
|
|
b.StartTimer()
|
|
benchmarkPut(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreePut1000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 1000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkPut(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreePut10000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 10000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkPut(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreePut100000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 100000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkPut(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreeRemove100(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 100
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkRemove(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreeRemove1000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 1000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkRemove(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreeRemove10000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 10000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkRemove(b, tree, size)
|
|
}
|
|
|
|
func BenchmarkRedBlackTreeRemove100000(b *testing.B) {
|
|
b.StopTimer()
|
|
size := 100000
|
|
tree := NewWithIntComparator()
|
|
for n := 0; n < size; n++ {
|
|
tree.Put(n, struct{}{})
|
|
}
|
|
b.StartTimer()
|
|
benchmarkRemove(b, tree, size)
|
|
}
|