focus/sparse_array/arrayn/arrayn_test.go
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2019-05-08 10:42:51 +08:00

225 lines
3.8 KiB
Go

package arrayn
import (
"testing"
"github.com/Pallinder/go-randomdata"
"github.com/davecgh/go-spew/spew"
)
func testSet1(t *testing.T) {
arr := NewWithCap(2, 2, 2)
l := []int{0, 1, 7}
for _, v := range l {
arr.Set(v, v)
}
var result string
result = spew.Sprint(arr.Values())
if result != "[0 1 <nil> <nil> <nil> <nil> <nil> 7]" {
t.Error(result)
}
defer func() {
if err := recover(); err == nil {
t.Error("err == nil, but array the set is out of range")
}
}()
arr.Set(8, 8)
}
func testSet2(t *testing.T) {
arr := NewWithCap(2, 2, 3)
l := []int{0, 6, 5, 11}
for _, v := range l {
arr.Set(v, v)
}
var result string
result = spew.Sprint(arr.Values())
if result != "[0 <nil> <nil> <nil> <nil> 5 6 <nil> <nil> <nil> <nil> 11]" {
t.Error(arr.data)
t.Error(result)
}
defer func() {
if err := recover(); err == nil {
t.Error("err == nil, but array the set is out of range")
}
}()
arr.Set(12, 12)
}
func TestSet(t *testing.T) {
testSet1(t)
testSet2(t)
}
func testArray2Get1(t *testing.T) {
arr := New()
for i := 0; i < 64; i++ {
arr.Set(i, i)
}
for i := 0; i < 64; i++ {
if v, ok := arr.Get(i); ok {
if v != i {
t.Error("v is equal i, but", v, i)
}
} else {
t.Error("not ok is error")
}
}
if v, ok := arr.Get(8*8*8 - 1); ok {
t.Error(v)
}
defer func() {
if err := recover(); err == nil {
t.Error("err == nil, but array the get is out of range")
}
}()
arr.Get(8 * 8 * 8)
}
func testArray2Get2(t *testing.T) {
arr := NewWithCap(4, 3, 3)
for i := 0; i < 36; i++ {
arr.Set(i, i)
}
for i := 0; i < 36; i++ {
if v, ok := arr.Get(i); ok {
if v != i {
t.Error("v is equal i, but", v, i)
}
} else {
t.Error("not ok is error")
}
}
defer func() {
if err := recover(); err == nil {
t.Error("err == nil, but array the get is out of range")
}
}()
arr.Get(36)
}
func TestArray2Get(t *testing.T) {
testArray2Get1(t)
testArray2Get2(t)
}
func TestDel(t *testing.T) {
arr := NewWithCap(2, 2, 2, 3)
for i := 0; i < 12; i++ {
arr.Set(i, i)
}
arr.Set(23, 23)
for i := 0; i < 12; i++ {
arr.Del(i)
}
arr.Del(23)
var result string
result = spew.Sprint(arr.Values())
if result != "[<nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil>]" {
t.Error("result should be all is nil")
}
}
func TestArray2Grow(t *testing.T) {
arr := NewWithCap(4, 4)
l := []int{0, 6, 5, 15}
for _, v := range l {
arr.Set(v, v)
}
arr.Grow(1)
if v, ok := arr.Get(15); ok {
if v != 15 {
t.Error(v)
}
} else {
t.Error(v)
}
arr.Set(19, 19)
if v, ok := arr.Get(19); ok {
if v != 19 {
t.Error(v)
}
} else {
t.Error(v)
}
arr.Grow(-1)
var result string
result = spew.Sprint(arr.Values())
if result != "[0 <nil> <nil> <nil> <nil> 5 6 <nil> <nil> <nil> <nil> <nil> <nil> <nil> <nil> 15]" {
t.Error(result)
}
}
func BenchmarkGoMap(b *testing.B) {
m := make(map[int]bool)
b.N = 50000000
b.StopTimer()
var l []int
for i := 0; i < b.N/10; i++ {
l = append(l, randomdata.Number(0, 100000000))
}
b.StartTimer()
for c := 0; c < 10; c++ {
for i := 0; i < b.N/10; i++ {
m[l[i]] = true
}
}
}
func BenchmarkArrayNSet(b *testing.B) {
arr := NewWithCap(1000, 10, 10, 100)
b.N = 10000000
b.StopTimer()
var l []int
for i := 0; i < b.N/10; i++ {
l = append(l, randomdata.Number(0, 10000000))
}
b.StartTimer()
for c := 0; c < 10; c++ {
for i := 0; i < b.N/10; i++ {
arr.Set(l[i], i)
}
}
}
func BenchmarkArray3Set(b *testing.B) {
arr := NewWithCap(100, 100, 10)
b.N = 500000000
b.StopTimer()
var l []int
for i := 0; i < b.N/10; i++ {
l = append(l, randomdata.Number(0, 65535))
}
b.StartTimer()
for c := 0; c < 10; c++ {
for i := 0; i < b.N/10; i++ {
arr.Set(l[i], i)
}
}
}