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335 lines
8.2 KiB
Go
335 lines
8.2 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 treebidimap
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import (
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"fmt"
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"github.com/emirpasic/gods/utils"
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"testing"
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)
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func TestMapPut(t *testing.T) {
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m := NewWith(utils.IntComparator, utils.StringComparator)
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m.Put(5, "e")
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m.Put(6, "f")
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m.Put(7, "g")
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m.Put(3, "c")
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m.Put(4, "d")
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m.Put(1, "x")
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m.Put(2, "b")
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m.Put(1, "a") //overwrite
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if actualValue := m.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 := m.Keys(), []interface{}{1, 2, 3, 4, 5, 6, 7}; !sameElements(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 := m.Values(), []interface{}{"a", "b", "c", "d", "e", "f", "g"}; !sameElements(actualValue, expectedValue) {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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// key,expectedValue,expectedFound
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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 := m.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 TestMapRemove(t *testing.T) {
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m := NewWith(utils.IntComparator, utils.StringComparator)
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m.Put(5, "e")
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m.Put(6, "f")
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m.Put(7, "g")
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m.Put(3, "c")
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m.Put(4, "d")
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m.Put(1, "x")
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m.Put(2, "b")
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m.Put(1, "a") //overwrite
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m.Remove(5)
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m.Remove(6)
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m.Remove(7)
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m.Remove(8)
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m.Remove(5)
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if actualValue, expectedValue := m.Keys(), []interface{}{1, 2, 3, 4}; !sameElements(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 := m.Values(), []interface{}{"a", "b", "c", "d"}; !sameElements(actualValue, expectedValue) {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue := m.Size(); actualValue != 4 {
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t.Errorf("Got %v expected %v", actualValue, 4)
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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 := m.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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m.Remove(1)
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m.Remove(4)
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m.Remove(2)
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m.Remove(3)
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m.Remove(2)
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m.Remove(2)
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if actualValue, expectedValue := fmt.Sprintf("%s", m.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", m.Values()), "[]"; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if actualValue := m.Size(); actualValue != 0 {
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t.Errorf("Got %v expected %v", actualValue, 0)
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}
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if actualValue := m.Empty(); actualValue != true {
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t.Errorf("Got %v expected %v", actualValue, true)
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}
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}
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func TestMapGetKey(t *testing.T) {
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m := NewWith(utils.IntComparator, utils.StringComparator)
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m.Put(5, "e")
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m.Put(6, "f")
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m.Put(7, "g")
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m.Put(3, "c")
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m.Put(4, "d")
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m.Put(1, "x")
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m.Put(2, "b")
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m.Put(1, "a") //overwrite
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// key,expectedValue,expectedFound
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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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{nil, "x", false},
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}
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for _, test := range tests1 {
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// retrievals
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actualValue, actualFound := m.GetKey(test[1])
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if actualValue != test[0] || actualFound != test[2] {
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t.Errorf("Got %v expected %v", actualValue, test[0])
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}
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}
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}
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func sameElements(a []interface{}, b []interface{}) bool {
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if len(a) != len(b) {
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return false
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}
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for _, av := range a {
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found := false
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for _, bv := range b {
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if av == bv {
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found = true
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break
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}
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}
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if !found {
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return false
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}
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}
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return true
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}
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func TestMapIteratorNextOnEmpty(t *testing.T) {
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m := NewWithStringComparators()
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it := m.Iterator()
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it = m.Iterator()
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for it.Next() {
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t.Errorf("Shouldn't iterate on empty map")
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}
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}
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func TestMapIteratorPrevOnEmpty(t *testing.T) {
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m := NewWithStringComparators()
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it := m.Iterator()
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it = m.Iterator()
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for it.Prev() {
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t.Errorf("Shouldn't iterate on empty map")
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}
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}
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func TestMapIteratorNext(t *testing.T) {
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m := NewWith(utils.StringComparator, utils.IntComparator)
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m.Put("c", 3)
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m.Put("a", 1)
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m.Put("b", 2)
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it := m.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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value := it.Value()
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switch key {
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case "a":
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if actualValue, expectedValue := value, 1; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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case "b":
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if actualValue, expectedValue := value, 2; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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case "c":
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if actualValue, expectedValue := value, 3; 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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t.Errorf("Too many")
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}
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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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if actualValue, expectedValue := count, 3; 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 TestMapIteratorPrev(t *testing.T) {
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m := NewWith(utils.StringComparator, utils.IntComparator)
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m.Put("c", 3)
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m.Put("a", 1)
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m.Put("b", 2)
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it := m.Iterator()
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for it.Next() {
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}
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countDown := m.Size()
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for it.Prev() {
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key := it.Key()
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value := it.Value()
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switch key {
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case "a":
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if actualValue, expectedValue := value, 1; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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case "b":
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if actualValue, expectedValue := value, 2; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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case "c":
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if actualValue, expectedValue := value, 3; 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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t.Errorf("Too many")
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}
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if actualValue, expectedValue := value, countDown; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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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("Got %v expected %v", actualValue, expectedValue)
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}
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}
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func TestMapIteratorBegin(t *testing.T) {
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m := NewWith(utils.IntComparator, utils.StringComparator)
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it := m.Iterator()
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it.Begin()
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m.Put(3, "c")
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m.Put(1, "a")
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m.Put(2, "b")
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for it.Next() {
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}
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it.Begin()
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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 TestMapTreeIteratorEnd(t *testing.T) {
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m := NewWith(utils.IntComparator, utils.StringComparator)
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it := m.Iterator()
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m.Put(3, "c")
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m.Put(1, "a")
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m.Put(2, "b")
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it.End()
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it.Prev()
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if key, value := it.Key(), it.Value(); key != 3 || value != "c" {
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t.Errorf("Got %v,%v expected %v,%v", key, value, 3, "c")
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}
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}
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func TestMapIteratorFirst(t *testing.T) {
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m := NewWith(utils.IntComparator, utils.StringComparator)
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m.Put(3, "c")
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m.Put(1, "a")
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m.Put(2, "b")
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it := m.Iterator()
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if actualValue, expectedValue := it.First(), true; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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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 TestMapIteratorLast(t *testing.T) {
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m := NewWith(utils.IntComparator, utils.StringComparator)
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m.Put(3, "c")
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m.Put(1, "a")
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m.Put(2, "b")
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it := m.Iterator()
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if actualValue, expectedValue := it.Last(), true; actualValue != expectedValue {
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t.Errorf("Got %v expected %v", actualValue, expectedValue)
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}
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if key, value := it.Key(), it.Value(); key != 3 || value != "c" {
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t.Errorf("Got %v,%v expected %v,%v", key, value, 3, "c")
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}
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}
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func BenchmarkMap(b *testing.B) {
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for i := 0; i < b.N; i++ {
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m := NewWithIntComparators()
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for n := 0; n < 1000; n++ {
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m.Put(n, n)
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}
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for n := 0; n < 1000; n++ {
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m.Remove(n)
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}
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}
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}
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