mirror of
https://github.com/emirpasic/gods
synced 2024-11-06 15:20:25 +00:00
139 lines
3.8 KiB
Go
139 lines
3.8 KiB
Go
/*
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Copyright (c) 2015, Emir Pasic
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package doublylinkedlist
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import (
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"github.com/emirpasic/gods/utils"
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"testing"
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)
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func TestDoublyLinkedList(t *testing.T) {
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list := New()
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list.Sort(utils.StringComparator)
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list.Add("g", "a")
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list.Append("b", "c", "d")
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list.Prepend("e", "f")
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shouldBe := []interface{}{"e", "f", "g", "a", "b", "c", "d"}
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for i, _ := range shouldBe {
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if value, ok := list.Get(i); value != shouldBe[i] || !ok {
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t.Errorf("List not populated in correct order. Expected: %v Got: %v", shouldBe, list.Values())
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}
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}
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list.Sort(utils.StringComparator)
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for i := 1; i < list.Size(); i++ {
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a, _ := list.Get(i - 1)
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b, _ := list.Get(i)
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if a.(string) > b.(string) {
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t.Errorf("Not sorted! %s > %s", a, b)
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}
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}
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list.Clear()
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if actualValue := list.Empty(); actualValue != true {
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t.Errorf("Got %v expected %v", actualValue, true)
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}
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if actualValue := list.Size(); actualValue != 0 {
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t.Errorf("Got %v expected %v", actualValue, 0)
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}
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list.Add("a")
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list.Add("b", "c")
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if actualValue := list.Empty(); actualValue != false {
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t.Errorf("Got %v expected %v", actualValue, false)
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}
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if actualValue := list.Size(); actualValue != 3 {
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t.Errorf("Got %v expected %v", actualValue, 3)
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}
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if actualValue, ok := list.Get(2); actualValue != "c" || !ok {
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t.Errorf("Got %v expected %v", actualValue, "c")
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}
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list.Remove(2)
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if actualValue, ok := list.Get(2); actualValue != nil || ok {
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t.Errorf("Got %v expected %v", actualValue, nil)
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}
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list.Remove(1)
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list.Remove(0)
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if actualValue := list.Empty(); actualValue != true {
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t.Errorf("Got %v expected %v", actualValue, true)
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}
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if actualValue := list.Size(); actualValue != 0 {
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t.Errorf("Got %v expected %v", actualValue, 0)
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}
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list.Add("a", "b", "c")
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//if actualValue := list.Contains("a", "b", "c"); actualValue != true {
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// t.Errorf("Got %v expected %v", actualValue, true)
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//}
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if actualValue := list.Contains("a", "b", "c", "d"); actualValue != false {
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t.Errorf("Got %v expected %v", actualValue, false)
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}
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list.Clear()
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//if actualValue := list.Contains("a"); actualValue != false {
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// t.Errorf("Got %v expected %v", actualValue, false)
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//}
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if actualValue, ok := list.Get(0); actualValue != nil || ok {
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t.Errorf("Got %v expected %v", actualValue, false)
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}
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if actualValue := list.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 BenchmarkDoublyLinkedList(b *testing.B) {
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for i := 0; i < b.N; i++ {
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list := New()
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for n := 0; n < 1000; n++ {
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list.Add(i)
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}
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for !list.Empty() {
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list.Remove(0)
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}
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}
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}
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