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gods/maps/hashbidimap/hashbidimap_test.go

361 lines
7.2 KiB
Go

// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package hashbidimap
import (
"encoding/json"
"fmt"
"testing"
)
func TestMapPut(t *testing.T) {
m := New()
m.Put(5, "e")
m.Put(6, "f")
m.Put(7, "g")
m.Put(3, "c")
m.Put(4, "d")
m.Put(1, "x")
m.Put(2, "b")
m.Put(1, "a") //overwrite
if actualValue := m.Size(); actualValue != 7 {
t.Errorf("Got %v expected %v", actualValue, 7)
}
if actualValue, expectedValue := m.Keys(), []interface{}{1, 2, 3, 4, 5, 6, 7}; !sameElements(actualValue, expectedValue) {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
if actualValue, expectedValue := m.Values(), []interface{}{"a", "b", "c", "d", "e", "f", "g"}; !sameElements(actualValue, expectedValue) {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
// key,expectedValue,expectedFound
tests1 := [][]interface{}{
{1, "a", true},
{2, "b", true},
{3, "c", true},
{4, "d", true},
{5, "e", true},
{6, "f", true},
{7, "g", true},
{8, nil, false},
}
for _, test := range tests1 {
// retrievals
actualValue, actualFound := m.Get(test[0])
if actualValue != test[1] || actualFound != test[2] {
t.Errorf("Got %v expected %v", actualValue, test[1])
}
}
}
func TestMapRemove(t *testing.T) {
m := New()
m.Put(5, "e")
m.Put(6, "f")
m.Put(7, "g")
m.Put(3, "c")
m.Put(4, "d")
m.Put(1, "x")
m.Put(2, "b")
m.Put(1, "a") //overwrite
m.Remove(5)
m.Remove(6)
m.Remove(7)
m.Remove(8)
m.Remove(5)
if actualValue, expectedValue := m.Keys(), []interface{}{1, 2, 3, 4}; !sameElements(actualValue, expectedValue) {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
if actualValue, expectedValue := m.Values(), []interface{}{"a", "b", "c", "d"}; !sameElements(actualValue, expectedValue) {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
if actualValue := m.Size(); actualValue != 4 {
t.Errorf("Got %v expected %v", actualValue, 4)
}
tests2 := [][]interface{}{
{1, "a", true},
{2, "b", true},
{3, "c", true},
{4, "d", true},
{5, nil, false},
{6, nil, false},
{7, nil, false},
{8, nil, false},
}
for _, test := range tests2 {
actualValue, actualFound := m.Get(test[0])
if actualValue != test[1] || actualFound != test[2] {
t.Errorf("Got %v expected %v", actualValue, test[1])
}
}
m.Remove(1)
m.Remove(4)
m.Remove(2)
m.Remove(3)
m.Remove(2)
m.Remove(2)
if actualValue, expectedValue := fmt.Sprintf("%s", m.Keys()), "[]"; actualValue != expectedValue {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
if actualValue, expectedValue := fmt.Sprintf("%s", m.Values()), "[]"; actualValue != expectedValue {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
if actualValue := m.Size(); actualValue != 0 {
t.Errorf("Got %v expected %v", actualValue, 0)
}
if actualValue := m.Empty(); actualValue != true {
t.Errorf("Got %v expected %v", actualValue, true)
}
}
func TestMapGetKey(t *testing.T) {
m := New()
m.Put(5, "e")
m.Put(6, "f")
m.Put(7, "g")
m.Put(3, "c")
m.Put(4, "d")
m.Put(1, "x")
m.Put(2, "b")
m.Put(1, "a") //overwrite
// key,expectedValue,expectedFound
tests1 := [][]interface{}{
{1, "a", true},
{2, "b", true},
{3, "c", true},
{4, "d", true},
{5, "e", true},
{6, "f", true},
{7, "g", true},
{nil, "x", false},
}
for _, test := range tests1 {
// retrievals
actualValue, actualFound := m.GetKey(test[1])
if actualValue != test[0] || actualFound != test[2] {
t.Errorf("Got %v expected %v", actualValue, test[0])
}
}
}
func TestMapSerialization(t *testing.T) {
m := New()
m.Put("a", 1.0)
m.Put("b", 2.0)
m.Put("c", 3.0)
var err error
assert := func() {
if actualValue, expectedValue := m.Keys(), []interface{}{"a", "b", "c"}; !sameElements(actualValue, expectedValue) {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
if actualValue, expectedValue := m.Values(), []interface{}{1.0, 2.0, 3.0}; !sameElements(actualValue, expectedValue) {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
if actualValue, expectedValue := m.Size(), 3; actualValue != expectedValue {
t.Errorf("Got %v expected %v", actualValue, expectedValue)
}
if err != nil {
t.Errorf("Got error %v", err)
}
}
assert()
bytes, err := m.ToJSON()
assert()
err = m.FromJSON(bytes)
assert()
bytes, err = json.Marshal([]interface{}{"a", "b", "c", m})
if err != nil {
t.Errorf("Got error %v", err)
}
}
func sameElements(a []interface{}, b []interface{}) bool {
if len(a) != len(b) {
return false
}
for _, av := range a {
found := false
for _, bv := range b {
if av == bv {
found = true
break
}
}
if !found {
return false
}
}
return true
}
func benchmarkGet(b *testing.B, m *Map, size int) {
for i := 0; i < b.N; i++ {
for n := 0; n < size; n++ {
m.Get(n)
}
}
}
func benchmarkPut(b *testing.B, m *Map, size int) {
for i := 0; i < b.N; i++ {
for n := 0; n < size; n++ {
m.Put(n, n)
}
}
}
func benchmarkRemove(b *testing.B, m *Map, size int) {
for i := 0; i < b.N; i++ {
for n := 0; n < size; n++ {
m.Remove(n)
}
}
}
func BenchmarkHashBidiMapGet100(b *testing.B) {
b.StopTimer()
size := 100
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkGet(b, m, size)
}
func BenchmarkHashBidiMapGet1000(b *testing.B) {
b.StopTimer()
size := 1000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkGet(b, m, size)
}
func BenchmarkHashBidiMapGet10000(b *testing.B) {
b.StopTimer()
size := 10000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkGet(b, m, size)
}
func BenchmarkHashBidiMapGet100000(b *testing.B) {
b.StopTimer()
size := 100000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkGet(b, m, size)
}
func BenchmarkHashBidiMapPut100(b *testing.B) {
b.StopTimer()
size := 100
m := New()
b.StartTimer()
benchmarkPut(b, m, size)
}
func BenchmarkHashBidiMapPut1000(b *testing.B) {
b.StopTimer()
size := 1000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkPut(b, m, size)
}
func BenchmarkHashBidiMapPut10000(b *testing.B) {
b.StopTimer()
size := 10000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkPut(b, m, size)
}
func BenchmarkHashBidiMapPut100000(b *testing.B) {
b.StopTimer()
size := 100000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkPut(b, m, size)
}
func BenchmarkHashBidiMapRemove100(b *testing.B) {
b.StopTimer()
size := 100
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkRemove(b, m, size)
}
func BenchmarkHashBidiMapRemove1000(b *testing.B) {
b.StopTimer()
size := 1000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkRemove(b, m, size)
}
func BenchmarkHashBidiMapRemove10000(b *testing.B) {
b.StopTimer()
size := 10000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkRemove(b, m, size)
}
func BenchmarkHashBidiMapRemove100000(b *testing.B) {
b.StopTimer()
size := 100000
m := New()
for n := 0; n < size; n++ {
m.Put(n, n)
}
b.StartTimer()
benchmarkRemove(b, m, size)
}