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https://github.com/seaweedfs/seaweedfs.git
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74 lines
1.2 KiB
Go
74 lines
1.2 KiB
Go
package skiplist
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import (
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"math/rand"
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"strconv"
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"testing"
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)
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const (
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maxNameCount = 100
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)
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func String(x int) string {
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return strconv.Itoa(x)
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}
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func TestNameList(t *testing.T) {
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list := newNameList(memStore, 7)
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for i := 0; i < maxNameCount; i++ {
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list.WriteName(String(i))
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}
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counter := 0
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list.ListNames("", func(name string) bool {
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counter++
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print(name, " ")
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return true
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})
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if counter != maxNameCount {
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t.Fail()
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}
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// list.skipList.println()
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deleteBase := 5
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deleteCount := maxNameCount - 3*deleteBase
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for i := deleteBase; i < deleteBase+deleteCount; i++ {
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list.DeleteName(String(i))
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}
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counter = 0
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list.ListNames("", func(name string) bool {
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counter++
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return true
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})
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// list.skipList.println()
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if counter != maxNameCount-deleteCount {
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t.Fail()
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}
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// randomized deletion
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list = newNameList(memStore, 7)
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// Delete elements at random positions in the list.
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rList := rand.Perm(maxN)
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for _, i := range rList {
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list.WriteName(String(i))
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}
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for _, i := range rList {
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list.DeleteName(String(i))
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}
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counter = 0
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list.ListNames("", func(name string) bool {
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counter++
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print(name, " ")
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return true
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})
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if counter != 0 {
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t.Fail()
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}
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}
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