149 lines
2.5 KiB
Go
149 lines
2.5 KiB
Go
package plist
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import (
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"testing"
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"github.com/emirpasic/gods/utils"
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)
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func TestInsert(t *testing.T) {
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pl := New(utils.IntComparator)
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for i := 0; i < 10; i++ {
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pl.Push(i)
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}
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if pl.size != 10 {
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t.Error(pl.size)
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}
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if pl.String() != "9 8 7 6 5 4 3 2 1 0" {
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t.Error(pl.String())
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}
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if pl.RString() != "0 1 2 3 4 5 6 7 8 9" {
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t.Error(pl.RString())
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}
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for i := 0; i < 10; i++ {
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pl.Push(i)
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}
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if pl.String() != "9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 0 0" {
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t.Error(pl.String())
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}
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if pl.RString() != "0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9" {
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t.Error(pl.RString())
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}
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}
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func TestIterator(t *testing.T) {
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pl := New(utils.IntComparator)
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for i := 0; i < 10; i++ {
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pl.Push(i)
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}
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iter := pl.Iterator()
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for i := 0; iter.Next(); i++ {
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if iter.Value() != 9-i {
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t.Error("iter.Next() ", iter.Value(), "is not equal ", 9-i)
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}
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}
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if iter.cur != iter.pl.tail {
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t.Error("current point is not equal tail ", iter.pl.tail)
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}
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for i := 0; iter.Prev(); i++ {
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if iter.Value() != i {
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t.Error("iter.Prev() ", iter.Value(), "is not equal ", i)
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}
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}
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}
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func TestCircularIterator(t *testing.T) {
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pl := New(utils.IntComparator)
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for i := 0; i < 10; i++ {
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pl.Push(i)
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}
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iter := pl.CircularIterator()
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for i := 0; i != 10; i++ {
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iter.Next()
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if iter.Value() != 9-i {
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t.Error("iter.Next() ", iter.Value(), "is not equal ", 9-i)
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}
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}
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if iter.cur != iter.pl.tail.prev {
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t.Error("current point is not equal tail ", iter.pl.tail.prev)
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}
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if iter.Next() {
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if iter.Value() != 9 {
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t.Error("iter.Value() != ", iter.Value())
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}
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}
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iter.MoveToTail()
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for i := 0; i != 10; i++ {
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iter.Prev()
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if iter.Value() != i {
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t.Error("iter.Prev() ", iter.Value(), "is not equal ", i)
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}
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}
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if iter.cur != iter.pl.head.next {
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t.Error("current point is not equal tail ", iter.pl.tail.prev)
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}
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if iter.Prev() {
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if iter.Value() != 0 {
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t.Error("iter.Value() != ", iter.Value())
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}
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}
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}
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func TestGet(t *testing.T) {
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pl := New(utils.IntComparator)
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for i := 0; i < 10; i++ {
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pl.Push(i)
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}
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for _, v := range []int{0, 9, 5, 7} {
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if pl.Get(v) != (9 - v) {
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t.Error(v, "Get == ", pl.Get(v))
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}
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}
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func() {
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defer func() {
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if err := recover(); err == nil {
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t.Error("out index, but is not error")
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}
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}()
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pl.Get(10)
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}()
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}
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func TestRemove(t *testing.T) {
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pl := New(utils.IntComparator)
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for i := 0; i < 10; i++ {
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pl.Push(i)
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}
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pl.RemoveWithIndex(0)
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if pl.Get(0).(int) != 8 {
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t.Error(pl.Get(0))
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}
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pl.RemoveWithIndex(-1)
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if pl.Get(-1).(int) != 1 {
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t.Error(pl.Get(-1))
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}
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}
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