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/*
* Copyright 2015 Manish R Jain <manishrjain@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package concurrent
import (
"math/rand"
"testing"
"unsafe"
"github.com/dgraph-io/dgraph/posting"
"github.com/zond/gotomic"
)
func TestGetAndPut(t *testing.T) {
m := NewMap(1024)
var i uint64
for i = 1; i < 100; i++ {
v := new(uint64)
*v = i
b := unsafe.Pointer(v)
if ok := m.Put(i, b); !ok {
t.Errorf("Couldn't put key: %v", i)
}
}
for i = 1; i < 100; i++ {
p := m.Get(i)
v := (*uint64)(p)
if v == nil {
t.Errorf("Didn't expect nil for i: %v", i)
return
}
if *v != i {
t.Errorf("Expected: %v. Got: %v", i, *v)
}
}
}
func BenchmarkGetAndPut(b *testing.B) {
m := NewMap(1 << 16)
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
key := uint64(rand.Int63())
p := m.Get(key)
if p == nil {
l := posting.NewList()
m.Put(key, unsafe.Pointer(l))
}
}
})
}
func BenchmarkGotomic(b *testing.B) {
h := gotomic.NewHash()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
key := uint64(rand.Int63())
_, has := h.Get(gotomic.IntKey(key))
if !has {
l := posting.NewList()
h.Put(gotomic.IntKey(key), l)
}
}
})
}