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|
package setmatrix
import (
"context"
"strconv"
"strings"
"testing"
"time"
)
func TestSetSerialInsertDelete(t *testing.T) {
var s SetMatrix[string]
b, i := s.Insert("a", "1")
if !b || i != 1 {
t.Fatalf("error in insert %t %d", b, i)
}
b, i = s.Insert("a", "1")
if b || i != 1 {
t.Fatalf("error in insert %t %d", b, i)
}
b, i = s.Insert("a", "2")
if !b || i != 2 {
t.Fatalf("error in insert %t %d", b, i)
}
b, i = s.Insert("a", "1")
if b || i != 2 {
t.Fatalf("error in insert %t %d", b, i)
}
b, i = s.Insert("a", "3")
if !b || i != 3 {
t.Fatalf("error in insert %t %d", b, i)
}
b, i = s.Insert("a", "2")
if b || i != 3 {
t.Fatalf("error in insert %t %d", b, i)
}
b, i = s.Insert("a", "3")
if b || i != 3 {
t.Fatalf("error in insert %t %d", b, i)
}
b, i = s.Insert("a", "4")
if !b || i != 4 {
t.Fatalf("error in insert %t %d", b, i)
}
b, p := s.Contains("a", "1")
if !b || !p {
t.Fatalf("error in contains %t %t", b, p)
}
b, p = s.Contains("a", "2")
if !b || !p {
t.Fatalf("error in contains %t %t", b, p)
}
b, p = s.Contains("a", "3")
if !b || !p {
t.Fatalf("error in contains %t %t", b, p)
}
b, p = s.Contains("a", "4")
if !b || !p {
t.Fatalf("error in contains %t %t", b, p)
}
i, b = s.Cardinality("a")
if !b || i != 4 {
t.Fatalf("error in cardinality count %t %d", b, i)
}
keys := s.Keys()
if len(keys) != 1 {
t.Fatalf("error in keys %v", keys)
}
str, b := s.String("a")
if !b ||
!strings.Contains(str, "1") ||
!strings.Contains(str, "2") ||
!strings.Contains(str, "3") ||
!strings.Contains(str, "4") {
t.Fatalf("error in string %t %s", b, str)
}
_, b = s.Get("a")
if !b {
t.Fatalf("error in get %t", b)
}
b, i = s.Remove("a", "1")
if !b || i != 3 {
t.Fatalf("error in remove %t %d", b, i)
}
b, i = s.Remove("a", "3")
if !b || i != 2 {
t.Fatalf("error in remove %t %d", b, i)
}
b, i = s.Remove("a", "1")
if b || i != 2 {
t.Fatalf("error in remove %t %d", b, i)
}
b, i = s.Remove("a", "4")
if !b || i != 1 {
t.Fatalf("error in remove %t %d", b, i)
}
b, i = s.Remove("a", "2")
if !b || i != 0 {
t.Fatalf("error in remove %t %d", b, i)
}
b, i = s.Remove("a", "2")
if b || i != 0 {
t.Fatalf("error in remove %t %d", b, i)
}
i, b = s.Cardinality("a")
if b || i != 0 {
t.Fatalf("error in cardinality count %t %d", b, i)
}
str, b = s.String("a")
if b || str != "" {
t.Fatalf("error in string %t %s", b, str)
}
keys = s.Keys()
if len(keys) > 0 {
t.Fatalf("error in keys %v", keys)
}
// Negative tests
_, b = s.Get("not exists")
if b {
t.Fatalf("error should not happen %t", b)
}
b1, b := s.Contains("not exists", "a")
if b1 || b {
t.Fatalf("error should not happen %t %t", b1, b)
}
}
func insertDeleteRotuine(ctx context.Context, endCh chan int, s *SetMatrix[string], key, value string) {
for {
select {
case <-ctx.Done():
endCh <- 0
return
default:
b, _ := s.Insert(key, value)
if !b {
endCh <- 1
return
}
b, _ = s.Remove(key, value)
if !b {
endCh <- 2
return
}
}
}
}
func TestSetParallelInsertDelete(t *testing.T) {
var s SetMatrix[string]
parallelRoutines := 6
endCh := make(chan int)
// Let the routines running and competing for 10s
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
for i := 0; i < parallelRoutines; i++ {
go insertDeleteRotuine(ctx, endCh, &s, "key-"+strconv.Itoa(i%3), strconv.Itoa(i))
}
for parallelRoutines > 0 {
v := <-endCh
if v == 1 {
t.Fatalf("error one goroutine failed on the insert")
}
if v == 2 {
t.Fatalf("error one goroutine failed on the remove")
}
parallelRoutines--
}
if i, b := s.Cardinality("key"); b || i > 0 {
t.Fatalf("error the set should be empty %t %d", b, i)
}
}
|
