focus/stack/liststack/stack_test.go

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new file: .gitignore new file: LICENSE new file: README.md new file: compare/compare.go new file: for_test.go new file: heap/heap.go new file: heap/heap_test.go new file: interface.go new file: lastack/lastack.go new file: lastack/lastack_test.go new file: list/list.go new file: list/list_test.go new file: map/hashmap/hashmap.go new file: map/hashmap/hashmap_test.go new file: priority_list/iterator.go new file: priority_list/priority_list.go new file: priority_list/priority_list_test.go new file: priority_queue/iterator.go new file: priority_queue/priority_queue.go new file: priority_queue/priority_queue_test.go new file: priority_queue/vbt.go new file: priority_queue/vbt_test.go new file: priority_queuekey/iterator.go new file: priority_queuekey/priority_queuekey.go new file: priority_queuekey/priority_queuekey_test.go new file: priority_queuekey/vbt.go new file: priority_queuekey/vbt_test.go new file: set/hashset/hashset.go new file: set/hashset/hashset_test.go new file: set/treeset/treeset.go new file: set/treeset/treeset_test.go new file: sparse_array/array2/array2.go new file: sparse_array/array2/array2_test.go new file: sparse_array/array3/array3.go new file: sparse_array/array3/array3_test.go new file: sparse_array/arrayn/arrayn.go new file: sparse_array/arrayn/arrayn_test.go new file: stack/stack.go new file: stack/stack_test.go new file: tree/avl/avl.go new file: tree/avl/avl_test.go new file: tree/avl/iterator.go new file: tree/avldup/avldup.go new file: tree/avldup/avldup_test.go new file: tree/avldup/iterator.go new file: tree/avlkey/avlkey.go new file: tree/avlkey/avlkey_test.go new file: tree/avlkey/iterator.go new file: tree/avlkeydup/avlkeydup.go new file: tree/avlkeydup/avlkeydup_test.go new file: tree/avlkeydup/iterator.go new file: tree/vbt/iterator.go new file: tree/vbt/vbt.go new file: tree/vbt/vbt_test.go new file: tree/vbtkey/iterator.go new file: tree/vbtkey/vbtkey.go new file: tree/vbtkey/vbtkey_test.go
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package lastack
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import "testing"
func TestBase(t *testing.T) {
s := New()
if !s.Empty() {
t.Error("stack not empty")
}
if s.Size() != 0 {
t.Error("size != 0")
}
if s.Values() != nil {
t.Error(s.Values())
}
}
func TestPush(t *testing.T) {
s := New()
for i := 0; i < 5; i++ {
s.Push(i)
}
if s.Empty() {
t.Error("stack is empty")
}
if s.Size() == 0 {
t.Error("size == 0")
}
if s.Values() == nil {
t.Error("Values() != nil")
}
if s.String() != "4 3 2 1 0" {
t.Error(s.String())
}
if v, ok := s.Peek(); ok {
if v != 4 {
t.Error("why top != 4")
}
} else {
t.Error("not ok")
}
if v, ok := s.Pop(); ok {
if v != 4 {
t.Error("why top != 4")
}
} else {
t.Error("not ok")
}
if s.Size() != 4 {
t.Error("pop a element, size: 5 - 1 = 4")
}
//
if v, ok := s.Pop(); ok {
if v != 3 {
t.Error("why top != 3")
}
} else {
t.Error("not ok")
}
if s.Size() != 3 {
t.Error("pop a element, size: 4 - 1 = 3")
}
for _, ok := s.Pop(); ok != false; _, ok = s.Pop() {
}
if !s.Empty() && s.Size() != 0 {
t.Error("pop all, stack should be empty")
}
for i := 0; i < 5; i++ {
s.Push(i)
}
if s.Size() != 5 {
t.Error("size != 5")
}
s.Clear()
if !s.Empty() && s.Size() != 0 {
t.Error("pop all, stack should be empty")
}
if v, ok := s.Peek(); v != nil || ok != false {
t.Error("should be v == nil and ok == false")
}
}
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// func BenchmarkPush(b *testing.B) {
// s := New()
// b.N = 200000
// for i := 0; i < b.N; i++ {
// v := randomdata.Number(0, 65535)
// s.Push(v)
// }
// }
// func BenchmarkGodsPush(b *testing.B) {
// s := arraystack.New()
// b.N = 200000
// for i := 0; i < b.N; i++ {
// v := randomdata.Number(0, 65535)
// s.Push(v)
// }
// }
// func BenchmarkPop(b *testing.B) {
// s := New()
// b.N = 200000
// for i := 0; i < b.N; i++ {
// v := randomdata.Number(0, 65535)
// s.Push(v)
// }
// b.ResetTimer()
// b.StartTimer()
// for i := 0; i < b.N; i++ {
// s.Pop()
// }
// }
// func BenchmarkGodsPop(b *testing.B) {
// s := arraystack.New()
// b.N = 200000
// for i := 0; i < b.N; i++ {
// v := randomdata.Number(0, 65535)
// s.Push(v)
// }
// b.ResetTimer()
// b.StartTimer()
// for i := 0; i < b.N; i++ {
// s.Pop()
// }
// }
// func BenchmarkValues(b *testing.B) {
// s := New()
// for i := 0; i < b.N; i++ {
// v := randomdata.Number(0, 65535)
// s.Push(v)
// }
// b.ResetTimer()
// b.StartTimer()
// for i := 0; i < b.N; i++ {
// s.Values()
// }
// }
// func BenchmarkGodsValues(b *testing.B) {
// s := arraystack.New()
// for i := 0; i < b.N; i++ {
// v := randomdata.Number(0, 65535)
// s.Push(v)
// }
// b.ResetTimer()
// b.StartTimer()
// for i := 0; i < b.N; i++ {
// s.Values()
// }
// }