2019-05-08 02:42:51 +00:00
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package lastack
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import (
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"testing"
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"github.com/davecgh/go-spew/spew"
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)
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func TestPush(t *testing.T) {
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var result string
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s := New()
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result = spew.Sprint(s.Values())
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if result != "[]" {
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t.Error(result)
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}
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l := []int{10, 7, 3, 4, 5, 15}
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for _, v := range l {
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s.Push(v)
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}
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result = spew.Sprint(s.Values())
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if result != "[15 5 4 3 7 10]" {
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t.Error(result)
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}
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if v, ok := s.Peek(); ok {
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if v != 15 {
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t.Error(v)
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}
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}
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result = spew.Sprint(s.Values())
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if result != "[15 5 4 3 7 10]" {
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t.Error(result)
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}
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if v, ok := s.Pop(); ok {
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if v != 15 {
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t.Error(v)
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}
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}
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result = spew.Sprint(s.Values())
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if result != "[5 4 3 7 10]" {
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t.Error(result)
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}
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for s.Size() != 1 {
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s.Pop()
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}
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result = spew.Sprint(s.Values())
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if result != "[10]" {
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t.Error(result)
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}
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if v, ok := s.Pop(); ok {
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if v != 10 {
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t.Error(v)
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}
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}
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result = spew.Sprint(s.Values())
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if result != "[]" {
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t.Error(result)
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}
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}
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2019-05-08 09:33:58 +00:00
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func TestGet(t *testing.T) {
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2019-05-08 02:42:51 +00:00
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s := New()
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2019-05-08 09:33:58 +00:00
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l := []int{10, 7, 3, 4, 5, 15}
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for _, v := range l {
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2019-05-08 02:42:51 +00:00
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s.Push(v)
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}
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2019-05-08 09:33:58 +00:00
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if v, isfound := s.Get(0); isfound {
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if v != 15 {
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t.Error("15 is not equal to 15")
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}
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} else {
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t.Error("index 0 is not exists")
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2019-05-08 02:42:51 +00:00
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}
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2019-05-08 09:33:58 +00:00
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for i, tv := range l {
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if v, isfound := s.Get(len(l) - 1 - i); isfound {
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if v != tv {
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t.Error(v, "is not equal to", tv)
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}
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} else {
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t.Error("index 0 is not exists")
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}
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2019-05-08 02:42:51 +00:00
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}
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2019-05-08 09:33:58 +00:00
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for i, tv := range l[0 : len(l)-1] {
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if v, isfound := s.Get(len(l) - 1 - i); isfound {
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if v != tv {
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t.Error(v, "is not equal to", tv)
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}
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} else {
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t.Error("index 0 is not exists")
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}
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2019-05-08 02:42:51 +00:00
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}
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}
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2019-05-08 09:33:58 +00:00
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// func BenchmarkGet(b *testing.B) {
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// s := New()
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// b.N = 20000000
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// for i := 0; i < b.N; i++ {
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// v := randomdata.Number(0, 65535)
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// s.Push(v)
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// }
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// b.ResetTimer()
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// b.StartTimer()
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// for i := 0; i < b.N; i++ {
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// s.Get(i)
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// }
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// }
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// func BenchmarkPush(b *testing.B) {
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// s := New()
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// b.N = 20000000
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// for i := 0; i < b.N; i++ {
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// v := randomdata.Number(0, 65535)
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// s.Push(v)
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// }
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// }
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// func BenchmarkGodsPush(b *testing.B) {
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// s := arraystack.New()
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// b.N = 2000000
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// for i := 0; i < b.N; i++ {
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// v := randomdata.Number(0, 65535)
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// s.Push(v)
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// }
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// }
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// func BenchmarkPop(b *testing.B) {
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// s := New()
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// b.N = 2000000
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// for i := 0; i < b.N; i++ {
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// v := randomdata.Number(0, 65535)
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// s.Push(v)
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// }
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// b.ResetTimer()
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// b.StartTimer()
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// for i := 0; i < b.N; i++ {
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// s.Pop()
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// }
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// }
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// func BenchmarkGodsPop(b *testing.B) {
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// s := arraystack.New()
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// b.N = 2000000
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// for i := 0; i < b.N; i++ {
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// v := randomdata.Number(0, 65535)
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// s.Push(v)
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// }
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// b.ResetTimer()
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// b.StartTimer()
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// for i := 0; i < b.N; i++ {
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// s.Pop()
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// }
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// }
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// func BenchmarkValues(b *testing.B) {
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// s := New()
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// for i := 0; i < b.N; i++ {
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// v := randomdata.Number(0, 65535)
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// s.Push(v)
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// }
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// b.ResetTimer()
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// b.StartTimer()
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// for i := 0; i < b.N; i++ {
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// s.Values()
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// }
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// }
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// func BenchmarkGodsValues(b *testing.B) {
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// s := arraystack.New()
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// for i := 0; i < b.N; i++ {
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// v := randomdata.Number(0, 65535)
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// s.Push(v)
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// }
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// b.ResetTimer()
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// b.StartTimer()
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// for i := 0; i < b.N; i++ {
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// s.Values()
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// }
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// }
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