63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
// Copyright 2022 PingCAP, Inc.
|
|
//
|
|
// 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 generic_test
|
|
|
|
import (
|
|
"slices"
|
|
"testing"
|
|
|
|
"github.com/pingcap/tidb/pkg/util/generic"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestSyncMap(t *testing.T) {
|
|
sm := generic.NewSyncMap[int64, string](10)
|
|
sm.Store(1, "a")
|
|
sm.Store(2, "b")
|
|
// Load an exist key.
|
|
v, ok := sm.Load(1)
|
|
require.True(t, ok)
|
|
require.Equal(t, "a", v)
|
|
// Load a non-exist key.
|
|
v, ok = sm.Load(3)
|
|
require.False(t, ok)
|
|
require.Equal(t, "", v)
|
|
// Overwrite the value.
|
|
sm.Store(1, "c")
|
|
v, ok = sm.Load(1)
|
|
require.True(t, ok)
|
|
require.Equal(t, "c", v)
|
|
// Drop an exist key.
|
|
sm.Delete(1)
|
|
v, ok = sm.Load(1)
|
|
require.False(t, ok)
|
|
require.Equal(t, "", v)
|
|
// Drop a non-exist key.
|
|
sm.Delete(3)
|
|
require.Equal(t, []int64{2}, sm.Keys())
|
|
v, ok = sm.Load(3)
|
|
require.False(t, ok)
|
|
require.Equal(t, "", v)
|
|
|
|
// Test the Keys() method.
|
|
sm = generic.NewSyncMap[int64, string](10)
|
|
sm.Store(2, "b")
|
|
sm.Store(1, "a")
|
|
sm.Store(3, "c")
|
|
keys := sm.Keys()
|
|
slices.Sort(keys)
|
|
require.Equal(t, []int64{1, 2, 3}, keys)
|
|
}
|