gf/container/glist/glist_z_unit_test.go

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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
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package glist
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import (
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"container/list"
"github.com/gogf/gf/internal/json"
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"github.com/gogf/gf/test/gtest"
"github.com/gogf/gf/util/gconv"
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"testing"
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)
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func checkListLen(t *gtest.T, l *List, len int) bool {
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if n := l.Len(); n != len {
t.Errorf("l.Len() = %d, want %d", n, len)
return false
}
return true
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}
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func checkListPointers(t *gtest.T, l *List, es []*Element) {
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if !checkListLen(t, l, len(es)) {
return
}
l.RLockFunc(func(list *list.List) {
for i, e := 0, l.list.Front(); i < list.Len(); i, e = i+1, e.Next() {
if e.Prev() != es[i].Prev() {
t.Errorf("list[%d].Prev = %p, want %p", i, e.Prev(), es[i].Prev())
}
if e.Next() != es[i].Next() {
t.Errorf("list[%d].Next = %p, want %p", i, e.Next(), es[i].Next())
}
}
})
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}
func TestVar(t *testing.T) {
var l List
l.PushFront(1)
l.PushFront(2)
if v := l.PopBack(); v != 1 {
t.Errorf("EXPECT %v, GOT %v", 1, v)
} else {
//fmt.Println(v)
}
if v := l.PopBack(); v != 2 {
t.Errorf("EXPECT %v, GOT %v", 2, v)
} else {
//fmt.Println(v)
}
if v := l.PopBack(); v != nil {
t.Errorf("EXPECT %v, GOT %v", nil, v)
} else {
//fmt.Println(v)
}
l.PushBack(1)
l.PushBack(2)
if v := l.PopFront(); v != 1 {
t.Errorf("EXPECT %v, GOT %v", 1, v)
} else {
//fmt.Println(v)
}
if v := l.PopFront(); v != 2 {
t.Errorf("EXPECT %v, GOT %v", 2, v)
} else {
//fmt.Println(v)
}
if v := l.PopFront(); v != nil {
t.Errorf("EXPECT %v, GOT %v", nil, v)
} else {
//fmt.Println(v)
}
}
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func TestBasic(t *testing.T) {
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l := New()
l.PushFront(1)
l.PushFront(2)
if v := l.PopBack(); v != 1 {
t.Errorf("EXPECT %v, GOT %v", 1, v)
} else {
//fmt.Println(v)
}
if v := l.PopBack(); v != 2 {
t.Errorf("EXPECT %v, GOT %v", 2, v)
} else {
//fmt.Println(v)
}
if v := l.PopBack(); v != nil {
t.Errorf("EXPECT %v, GOT %v", nil, v)
} else {
//fmt.Println(v)
}
l.PushBack(1)
l.PushBack(2)
if v := l.PopFront(); v != 1 {
t.Errorf("EXPECT %v, GOT %v", 1, v)
} else {
//fmt.Println(v)
}
if v := l.PopFront(); v != 2 {
t.Errorf("EXPECT %v, GOT %v", 2, v)
} else {
//fmt.Println(v)
}
if v := l.PopFront(); v != nil {
t.Errorf("EXPECT %v, GOT %v", nil, v)
} else {
//fmt.Println(v)
}
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}
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func TestList(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
checkListPointers(t, l, []*Element{})
// Single element list
e := l.PushFront("a")
checkListPointers(t, l, []*Element{e})
l.MoveToFront(e)
checkListPointers(t, l, []*Element{e})
l.MoveToBack(e)
checkListPointers(t, l, []*Element{e})
l.Remove(e)
checkListPointers(t, l, []*Element{})
// Bigger list
e2 := l.PushFront(2)
e1 := l.PushFront(1)
e3 := l.PushBack(3)
e4 := l.PushBack("banana")
checkListPointers(t, l, []*Element{e1, e2, e3, e4})
l.Remove(e2)
checkListPointers(t, l, []*Element{e1, e3, e4})
l.MoveToFront(e3) // move from middle
checkListPointers(t, l, []*Element{e3, e1, e4})
l.MoveToFront(e1)
l.MoveToBack(e3) // move from middle
checkListPointers(t, l, []*Element{e1, e4, e3})
l.MoveToFront(e3) // move from back
checkListPointers(t, l, []*Element{e3, e1, e4})
l.MoveToFront(e3) // should be no-op
checkListPointers(t, l, []*Element{e3, e1, e4})
l.MoveToBack(e3) // move from front
checkListPointers(t, l, []*Element{e1, e4, e3})
l.MoveToBack(e3) // should be no-op
checkListPointers(t, l, []*Element{e1, e4, e3})
e2 = l.InsertBefore(e1, 2) // insert before front
checkListPointers(t, l, []*Element{e2, e1, e4, e3})
l.Remove(e2)
e2 = l.InsertBefore(e4, 2) // insert before middle
checkListPointers(t, l, []*Element{e1, e2, e4, e3})
l.Remove(e2)
e2 = l.InsertBefore(e3, 2) // insert before back
checkListPointers(t, l, []*Element{e1, e4, e2, e3})
l.Remove(e2)
e2 = l.InsertAfter(e1, 2) // insert after front
checkListPointers(t, l, []*Element{e1, e2, e4, e3})
l.Remove(e2)
e2 = l.InsertAfter(e4, 2) // insert after middle
checkListPointers(t, l, []*Element{e1, e4, e2, e3})
l.Remove(e2)
e2 = l.InsertAfter(e3, 2) // insert after back
checkListPointers(t, l, []*Element{e1, e4, e3, e2})
l.Remove(e2)
// Check standard iteration.
sum := 0
for e := l.Front(); e != nil; e = e.Next() {
if i, ok := e.Value.(int); ok {
sum += i
}
}
if sum != 4 {
t.Errorf("sum over l = %d, want 4", sum)
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}
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// Clear all elements by iterating
var next *Element
for e := l.Front(); e != nil; e = next {
next = e.Next()
l.Remove(e)
}
checkListPointers(t, l, []*Element{})
})
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}
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func checkList(t *gtest.T, l *List, es []interface{}) {
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if !checkListLen(t, l, len(es)) {
return
}
i := 0
for e := l.Front(); e != nil; e = e.Next() {
switch e.Value.(type) {
case int:
if le := e.Value.(int); le != es[i] {
t.Errorf("elt[%d].Value() = %v, want %v", i, le, es[i])
}
// default string
default:
if le := e.Value.(string); le != es[i] {
t.Errorf("elt[%v].Value() = %v, want %v", i, le, es[i])
}
}
i++
}
//for e := l.Front(); e != nil; e = e.Next() {
// le := e.Value.(int)
// if le != es[i] {
// t.Errorf("elt[%d].Value() = %v, want %v", i, le, es[i])
// }
// i++
//}
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}
func TestExtending(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l1 := New()
l2 := New()
l1.PushBack(1)
l1.PushBack(2)
l1.PushBack(3)
l2.PushBack(4)
l2.PushBack(5)
l3 := New()
l3.PushBackList(l1)
checkList(t, l3, []interface{}{1, 2, 3})
l3.PushBackList(l2)
checkList(t, l3, []interface{}{1, 2, 3, 4, 5})
l3 = New()
l3.PushFrontList(l2)
checkList(t, l3, []interface{}{4, 5})
l3.PushFrontList(l1)
checkList(t, l3, []interface{}{1, 2, 3, 4, 5})
checkList(t, l1, []interface{}{1, 2, 3})
checkList(t, l2, []interface{}{4, 5})
l3 = New()
l3.PushBackList(l1)
checkList(t, l3, []interface{}{1, 2, 3})
l3.PushBackList(l3)
checkList(t, l3, []interface{}{1, 2, 3, 1, 2, 3})
l3 = New()
l3.PushFrontList(l1)
checkList(t, l3, []interface{}{1, 2, 3})
l3.PushFrontList(l3)
checkList(t, l3, []interface{}{1, 2, 3, 1, 2, 3})
l3 = New()
l1.PushBackList(l3)
checkList(t, l1, []interface{}{1, 2, 3})
l1.PushFrontList(l3)
checkList(t, l1, []interface{}{1, 2, 3})
})
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}
func TestRemove(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
e1 := l.PushBack(1)
e2 := l.PushBack(2)
checkListPointers(t, l, []*Element{e1, e2})
//e := l.Front()
//l.Remove(e)
//checkListPointers(t, l, []*Element{e2})
//l.Remove(e)
//checkListPointers(t, l, []*Element{e2})
})
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}
func TestIssue4103(t *testing.T) {
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l1 := New()
l1.PushBack(1)
l1.PushBack(2)
l2 := New()
l2.PushBack(3)
l2.PushBack(4)
e := l1.Front()
l2.Remove(e) // l2 should not change because e is not an element of l2
if n := l2.Len(); n != 2 {
t.Errorf("l2.Len() = %d, want 2", n)
}
l1.InsertBefore(e, 8)
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if n := l1.Len(); n != 3 {
t.Errorf("l1.Len() = %d, want 3", n)
}
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}
func TestIssue6349(t *testing.T) {
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l := New()
l.PushBack(1)
l.PushBack(2)
e := l.Front()
l.Remove(e)
if e.Value != 1 {
t.Errorf("e.value = %d, want 1", e.Value)
}
//if e.Next() != nil {
// t.Errorf("e.Next() != nil")
//}
//if e.Prev() != nil {
// t.Errorf("e.Prev() != nil")
//}
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}
func TestMove(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
e1 := l.PushBack(1)
e2 := l.PushBack(2)
e3 := l.PushBack(3)
e4 := l.PushBack(4)
l.MoveAfter(e3, e3)
checkListPointers(t, l, []*Element{e1, e2, e3, e4})
l.MoveBefore(e2, e2)
checkListPointers(t, l, []*Element{e1, e2, e3, e4})
l.MoveAfter(e3, e2)
checkListPointers(t, l, []*Element{e1, e2, e3, e4})
l.MoveBefore(e2, e3)
checkListPointers(t, l, []*Element{e1, e2, e3, e4})
l.MoveBefore(e2, e4)
checkListPointers(t, l, []*Element{e1, e3, e2, e4})
e2, e3 = e3, e2
l.MoveBefore(e4, e1)
checkListPointers(t, l, []*Element{e4, e1, e2, e3})
e1, e2, e3, e4 = e4, e1, e2, e3
l.MoveAfter(e4, e1)
checkListPointers(t, l, []*Element{e1, e4, e2, e3})
e2, e3, e4 = e4, e2, e3
l.MoveAfter(e2, e3)
checkListPointers(t, l, []*Element{e1, e3, e2, e4})
e2, e3 = e3, e2
})
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}
// Test PushFront, PushBack, PushFrontList, PushBackList with uninitialized List
func TestZeroList(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
var l1 = New()
l1.PushFront(1)
checkList(t, l1, []interface{}{1})
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var l2 = New()
l2.PushBack(1)
checkList(t, l2, []interface{}{1})
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var l3 = New()
l3.PushFrontList(l1)
checkList(t, l3, []interface{}{1})
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var l4 = New()
l4.PushBackList(l2)
checkList(t, l4, []interface{}{1})
})
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}
// Test that a list l is not modified when calling InsertBefore with a mark that is not an element of l.
func TestInsertBeforeUnknownMark(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
l.PushBack(1)
l.PushBack(2)
l.PushBack(3)
l.InsertBefore(new(Element), 1)
checkList(t, l, []interface{}{1, 2, 3})
})
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}
// Test that a list l is not modified when calling InsertAfter with a mark that is not an element of l.
func TestInsertAfterUnknownMark(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
l.PushBack(1)
l.PushBack(2)
l.PushBack(3)
l.InsertAfter(new(Element), 1)
checkList(t, l, []interface{}{1, 2, 3})
})
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}
// Test that a list l is not modified when calling MoveAfter or MoveBefore with a mark that is not an element of l.
func TestMoveUnknownMark(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l1 := New()
e1 := l1.PushBack(1)
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l2 := New()
e2 := l2.PushBack(2)
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l1.MoveAfter(e1, e2)
checkList(t, l1, []interface{}{1})
checkList(t, l2, []interface{}{2})
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l1.MoveBefore(e1, e2)
checkList(t, l1, []interface{}{1})
checkList(t, l2, []interface{}{2})
})
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}
func TestList_RemoveAll(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
l.PushBack(1)
l.RemoveAll()
checkList(t, l, []interface{}{})
l.PushBack(2)
checkList(t, l, []interface{}{2})
})
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}
func TestList_PushFronts(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2}
l.PushFronts(a1)
checkList(t, l, []interface{}{2, 1})
a1 = []interface{}{3, 4, 5}
l.PushFronts(a1)
checkList(t, l, []interface{}{5, 4, 3, 2, 1})
})
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}
func TestList_PushBacks(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2}
l.PushBacks(a1)
checkList(t, l, []interface{}{1, 2})
a1 = []interface{}{3, 4, 5}
l.PushBacks(a1)
checkList(t, l, []interface{}{1, 2, 3, 4, 5})
})
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}
func TestList_PopBacks(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
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l := New()
a1 := []interface{}{1, 2, 3, 4}
a2 := []interface{}{"a", "c", "b", "e"}
l.PushFronts(a1)
i1 := l.PopBacks(2)
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t.Assert(i1, []interface{}{1, 2})
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l.PushBacks(a2) //4.3,a,c,b,e
i1 = l.PopBacks(3)
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t.Assert(i1, []interface{}{"e", "b", "c"})
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})
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}
func TestList_PopFronts(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
i1 := l.PopFronts(2)
t.Assert(i1, []interface{}{4, 3})
t.Assert(l.Len(), 2)
})
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}
func TestList_PopBackAll(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
i1 := l.PopBackAll()
t.Assert(i1, []interface{}{1, 2, 3, 4})
t.Assert(l.Len(), 0)
})
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}
func TestList_PopFrontAll(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
i1 := l.PopFrontAll()
t.Assert(i1, []interface{}{4, 3, 2, 1})
t.Assert(l.Len(), 0)
})
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}
func TestList_FrontAll(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
i1 := l.FrontAll()
t.Assert(i1, []interface{}{4, 3, 2, 1})
t.Assert(l.Len(), 4)
})
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}
func TestList_BackAll(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
i1 := l.BackAll()
t.Assert(i1, []interface{}{1, 2, 3, 4})
t.Assert(l.Len(), 4)
})
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}
func TestList_FrontValue(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
l2 := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
i1 := l.FrontValue()
t.Assert(gconv.Int(i1), 4)
t.Assert(l.Len(), 4)
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i1 = l2.FrontValue()
t.Assert(i1, nil)
})
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}
func TestList_BackValue(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
l2 := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
i1 := l.BackValue()
t.Assert(gconv.Int(i1), 1)
t.Assert(l.Len(), 4)
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i1 = l2.FrontValue()
t.Assert(i1, nil)
})
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}
func TestList_Back(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
e1 := l.Back()
t.Assert(e1.Value, 1)
t.Assert(l.Len(), 4)
})
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}
func TestList_Size(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
t.Assert(l.Size(), 4)
l.PopFront()
t.Assert(l.Size(), 3)
})
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}
func TestList_Removes(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
e1 := l.Back()
l.Removes([]*Element{e1})
t.Assert(l.Len(), 3)
e2 := l.Back()
l.Removes([]*Element{e2})
t.Assert(l.Len(), 2)
checkList(t, l, []interface{}{4, 3})
})
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}
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func TestList_Pop(t *testing.T) {
gtest.C(t, func(t *gtest.T) {
l := NewFrom([]interface{}{1, 2, 3, 4, 5, 6, 7, 8, 9})
t.Assert(l.PopBack(), 9)
t.Assert(l.PopBacks(2), []interface{}{8, 7})
t.Assert(l.PopFront(), 1)
t.Assert(l.PopFronts(2), []interface{}{2, 3})
})
}
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func TestList_Clear(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
l.Clear()
t.Assert(l.Len(), 0)
})
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}
func TestList_IteratorAsc(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 5, 6, 3, 4}
l.PushFronts(a1)
e1 := l.Back()
fun1 := func(e *Element) bool {
if gconv.Int(e1.Value) > 2 {
return true
}
return false
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}
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checkList(t, l, []interface{}{4, 3, 6, 5, 2, 1})
l.IteratorAsc(fun1)
checkList(t, l, []interface{}{4, 3, 6, 5, 2, 1})
})
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}
func TestList_IteratorDesc(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{1, 2, 3, 4}
l.PushFronts(a1)
e1 := l.Back()
fun1 := func(e *Element) bool {
if gconv.Int(e1.Value) > 6 {
return true
}
return false
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}
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l.IteratorDesc(fun1)
t.Assert(l.Len(), 4)
checkList(t, l, []interface{}{4, 3, 2, 1})
})
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}
func TestList_Iterator(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := New()
a1 := []interface{}{"a", "b", "c", "d", "e"}
l.PushFronts(a1)
e1 := l.Back()
fun1 := func(e *Element) bool {
if gconv.String(e1.Value) > "c" {
return true
}
return false
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}
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checkList(t, l, []interface{}{"e", "d", "c", "b", "a"})
l.Iterator(fun1)
checkList(t, l, []interface{}{"e", "d", "c", "b", "a"})
})
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}
func TestList_Join(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := NewFrom([]interface{}{1, 2, "a", `"b"`, `\c`})
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t.Assert(l.Join(","), `1,2,a,"b",\c`)
t.Assert(l.Join("."), `1.2.a."b".\c`)
})
}
func TestList_String(t *testing.T) {
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gtest.C(t, func(t *gtest.T) {
l := NewFrom([]interface{}{1, 2, "a", `"b"`, `\c`})
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t.Assert(l.String(), `[1,2,a,"b",\c]`)
})
}
func TestList_Json(t *testing.T) {
// Marshal
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gtest.C(t, func(t *gtest.T) {
a := []interface{}{"a", "b", "c"}
l := New()
l.PushBacks(a)
b1, err1 := json.Marshal(l)
b2, err2 := json.Marshal(a)
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t.Assert(err1, err2)
t.Assert(b1, b2)
})
// Unmarshal
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gtest.C(t, func(t *gtest.T) {
a := []interface{}{"a", "b", "c"}
l := New()
b, err := json.Marshal(a)
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t.Assert(err, nil)
err = json.Unmarshal(b, l)
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t.Assert(err, nil)
t.Assert(l.FrontAll(), a)
})
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gtest.C(t, func(t *gtest.T) {
var l List
a := []interface{}{"a", "b", "c"}
b, err := json.Marshal(a)
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t.Assert(err, nil)
err = json.Unmarshal(b, &l)
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t.Assert(err, nil)
t.Assert(l.FrontAll(), a)
})
}
func TestList_UnmarshalValue(t *testing.T) {
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type TList struct {
Name string
List *List
}
// JSON
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gtest.C(t, func(t *gtest.T) {
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var tlist *TList
err := gconv.Struct(map[string]interface{}{
"name": "john",
"list": []byte(`[1,2,3]`),
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}, &tlist)
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t.Assert(err, nil)
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t.Assert(tlist.Name, "john")
t.Assert(tlist.List.FrontAll(), []interface{}{1, 2, 3})
})
// Map
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gtest.C(t, func(t *gtest.T) {
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var tlist *TList
err := gconv.Struct(map[string]interface{}{
"name": "john",
"list": []interface{}{1, 2, 3},
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}, &tlist)
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t.Assert(err, nil)
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t.Assert(tlist.Name, "john")
t.Assert(tlist.List.FrontAll(), []interface{}{1, 2, 3})
})
}