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change: change update and insert function in link datastruture

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This commit is contained in:
dudaodong
2022-12-10 17:45:29 +08:00
parent 7d8d9c3543
commit 4e457ad672
6 changed files with 201 additions and 245 deletions
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38
datastructure/link/singlylink_test.go
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@@ -41,25 +41,12 @@ func TestSinglyLink_InsertAt(t *testing.T) {
link := NewSinglyLink[int]()
err := link.InsertAt(1, 1)
assert.IsNotNil(err)
link.InsertAt(1, 1) //do nothing
err = link.InsertAt(0, 1)
if err != nil {
t.FailNow()
}
err = link.InsertAt(1, 2)
if err != nil {
t.FailNow()
}
err = link.InsertAt(2, 4)
if err != nil {
t.FailNow()
}
err = link.InsertAt(2, 3)
if err != nil {
t.FailNow()
}
link.InsertAt(0, 1)
link.InsertAt(1, 2)
link.InsertAt(2, 4)
link.InsertAt(2, 3)
link.Print()
@@ -73,8 +60,8 @@ func TestSinglyLink_DeleteAtHead(t *testing.T) {
assert := internal.NewAssert(t, "TestSinglyLink_DeleteAtHead")
link := NewSinglyLink[int]()
err := link.DeleteAtHead()
assert.IsNotNil(err)
link.DeleteAtHead()
link.InsertAtTail(1)
link.InsertAtTail(2)
@@ -94,8 +81,6 @@ func TestSinglyLink_DeleteAtTail(t *testing.T) {
assert := internal.NewAssert(t, "TestSinglyLink_DeleteAtTail")
link := NewSinglyLink[int]()
err := link.DeleteAtTail()
assert.IsNotNil(err)
link.InsertAtTail(1)
link.InsertAtTail(2)
@@ -103,7 +88,6 @@ func TestSinglyLink_DeleteAtTail(t *testing.T) {
link.InsertAtTail(4)
link.DeleteAtTail()
link.Print()
expected := []int{1, 2, 3}
values := link.Values()
@@ -133,8 +117,6 @@ func TestSinglyLink_DeleteAt(t *testing.T) {
assert := internal.NewAssert(t, "TestSinglyLink_DeleteAt")
link := NewSinglyLink[int]()
err := link.DeleteAt(0)
assert.IsNotNil(err)
link.InsertAtTail(1)
link.InsertAtTail(2)
@@ -142,11 +124,7 @@ func TestSinglyLink_DeleteAt(t *testing.T) {
link.InsertAtTail(4)
link.InsertAtTail(5)
err = link.DeleteAt(5)
assert.IsNotNil(err)
err = link.DeleteAt(0)
assert.IsNil(err)
link.DeleteAt(0)
assert.Equal([]int{2, 3, 4, 5}, link.Values())
link.DeleteAt(3)