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Add unit test for gring
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179
g/container/gring/gring_unit_test.go
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179
g/container/gring/gring_unit_test.go
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package gring_test
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import (
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"container/ring"
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"github.com/gogf/gf/g/container/gring"
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"github.com/gogf/gf/g/test/gtest"
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"testing"
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)
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type Student struct {
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position int
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name string
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upgrade bool
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}
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func TestRing_Val(t *testing.T) {
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gtest.Case(t, func() {
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//定义cap 为3的ring类型数据
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r := gring.New(3, true)
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//分别给3个元素初始化赋值
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r.Put(&Student{1,"jimmy", true})
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r.Put(&Student{2,"tom", true})
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r.Put(&Student{3,"alon", false})
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//元素取值并判断和预设值是否相等
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gtest.AssertEQ(r.Val().(*Student).name,"jimmy")
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//从当前位置往后移两个元素
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r.Move(2)
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gtest.AssertEQ(r.Val().(*Student).name,"alon")
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if r.Val().(*Student).upgrade == false {
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r.Val().(*Student).upgrade = true
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//更新元素值
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r.Set(&Student{3, "jack", true})
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}
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})
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}
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func TestRing_CapLen(t *testing.T) {
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gtest.Case(t, func() {
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r := gring.New(10)
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r.Put("goframe")
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//cap长度 10
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gtest.AssertEQ(r.Cap(), 10)
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//已有数据项 1
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gtest.AssertEQ(r.Len(), 1)
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})
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}
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func TestRing_Position(t *testing.T) {
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gtest.Case(t, func() {
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r := gring.New(2)
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r.Put(1)
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r.Put(2)
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//往后移动1个元素
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r.Next()
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gtest.AssertEQ(r.Val(),2)
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//往前移动1个元素
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r.Prev()
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gtest.AssertEQ(r.Val(),1)
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})
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}
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func TestRing_Link(t *testing.T) {
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gtest.Case(t, func() {
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r := gring.New(3)
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r.Put(1)
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r.Put(2)
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r.Put(3)
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s := gring.New(2)
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s.Put("a")
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s.Put("b")
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rs := r.Link(s)
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gtest.AssertEQ(rs.Move(2).Val(), "b")
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})
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}
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func TestRing_Unlink(t *testing.T) {
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gtest.Case(t, func() {
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r := gring.New(5)
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for i := 0; i< 5; i++ {
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r.Put(i+1)
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}
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// 1 2 3 4 5
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// 删除当前位置往后的2个数据,返回被删除的数据
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s := r.Unlink(2) // 2 3
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gtest.AssertEQ(s.Val(), 2)
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})
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}
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func TestRing_Slice(t *testing.T) {
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gtest.Case(t, func() {
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ringLen := 5
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r := gring.New(ringLen)
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for i := 0; i< ringLen; i++ {
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r.Put(i+1)
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}
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r.Move(2) // 3
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array := r.SliceNext() // [3 4 5 1 2]
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gtest.AssertEQ(array[0], 3)
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gtest.AssertEQ(len(array), 5)
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//判断array是否等于[3 4 5 1 2]
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ra := []int{3,4,5,1,2}
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eq := true
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for i, v := range array {
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if v != ra[i] {
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eq = false
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}
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}
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gtest.AssertEQ(eq, true)
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//第3个元素设为nil
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r.Set(nil)
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array2 := r.SliceNext() //[4 5 1 2]
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//返回当前位置往后不为空的元素数组,长度为4
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gtest.AssertEQ(len(array2), 4)
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array3 := r.SlicePrev() //[2 1 5 4]
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//数组array3第一个元素为2
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gtest.AssertEQ(array3[0], 2)
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//数组长度4
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gtest.AssertEQ(len(array3), 4)
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})
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}
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func TestRing_RLockIterator(t *testing.T) {
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gtest.Case(t, func() {
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ringLen := 5
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r := gring.New(ringLen)
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for i := 0; i< ringLen; i++ {
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r.Put(i+1)
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}
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var i,j int
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//回调函数返回true,RLockIteratorNext遍历5次
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r.RLockIteratorNext(func(value interface{}) bool {
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i++;
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return true
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})
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gtest.AssertEQ(i, 5)
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//RLockIteratorPrev遍历3次返回 false,退出遍历
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r.RLockIteratorPrev(func(value interface{}) bool {
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if j++; j < 3 {
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return true
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}
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return false
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})
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gtest.AssertEQ(j, 3)
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})
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}
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func TestRing_LockIterator(t *testing.T) {
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gtest.Case(t, func() {
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ringLen := 5
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r := gring.New(ringLen)
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for i := 0; i< ringLen; i++ {
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r.Put(i+1)
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}
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var i,j int
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r.LockIteratorNext(func(item *ring.Ring) bool {
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i++;
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return true
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})
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gtest.AssertEQ(i, 5)
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r.LockIteratorPrev(func(item *ring.Ring) bool {
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if j++; j < 3 {
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return true
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}
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return false
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})
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gtest.AssertEQ(j, 3)
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})
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}
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