mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
Kevin Krakauer
ec44093c97
Part of a series of changes that will end with prohibiting use of sync/atomic (u)int32 functions. See cl/440484071 for more details. PiperOrigin-RevId: 442673296
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
// Copyright 2021 The gVisor Authors.
|
|
//
|
|
// 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 atomicbitops
|
|
|
|
import (
|
|
"testing"
|
|
"unsafe"
|
|
)
|
|
|
|
func TestAtomiciInt64(t *testing.T) {
|
|
v := struct {
|
|
v8 int8
|
|
v64 Int64
|
|
}{}
|
|
v.v64.Add(1)
|
|
}
|
|
|
|
func TestAtomicUint64(t *testing.T) {
|
|
v := struct {
|
|
v8 uint8
|
|
v64 Uint64
|
|
}{}
|
|
v.v64.Add(1)
|
|
}
|
|
|
|
func TestSize(t *testing.T) {
|
|
if size := unsafe.Sizeof(Int32{}); size != 4 {
|
|
t.Errorf("Int32 should be 4 bytes in size, but is %d bytes", size)
|
|
}
|
|
if size := unsafe.Sizeof(Uint32{}); size != 4 {
|
|
t.Errorf("Uint32 should be 4 bytes in size, but is %d bytes", size)
|
|
}
|
|
if size := unsafe.Sizeof(Int64{}); size != 8 {
|
|
t.Errorf("Int32 should be 8 bytes in size, but is %d bytes", size)
|
|
}
|
|
if size := unsafe.Sizeof(Uint64{}); size != 8 {
|
|
t.Errorf("Int32 should be 8 bytes in size, but is %d bytes", size)
|
|
}
|
|
}
|