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opentelemetry-go/sdk/metric/alignment_test.go
Bogdan Drutu 4702f6fd6f
Deprecate and add warning to remove AtomicFieldOffsets, unnecessary public func (#2445)
Signed-off-by: Bogdan Drutu <bogdandrutu@gmail.com>

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
2021-12-15 08:01:14 -08:00

44 lines
1.2 KiB
Go

// Copyright The OpenTelemetry 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 metric
import (
"os"
"testing"
"unsafe"
ottest "go.opentelemetry.io/otel/internal/internaltest"
)
// Ensure struct alignment prior to running tests.
func TestMain(m *testing.M) {
offsets := map[string]uintptr{
"record.refMapped.value": unsafe.Offsetof(record{}.refMapped.value),
"record.updateCount": unsafe.Offsetof(record{}.updateCount),
}
var r []ottest.FieldOffset
for name, offset := range offsets {
r = append(r, ottest.FieldOffset{
Name: name,
Offset: offset,
})
}
if !ottest.Aligned8Byte(r, os.Stderr) {
os.Exit(1)
}
os.Exit(m.Run())
}