gvisor/third_party/gvsync/atomicptrtest/atomicptr_test.go

32 lines
678 B
Go

// Copyright 2019 Google LLC
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package atomicptr
import (
"testing"
)
func newInt(val int) *int {
return &val
}
func TestAtomicPtr(t *testing.T) {
var p AtomicPtrInt
if got := p.Load(); got != nil {
t.Errorf("initial value is %p (%v), wanted nil", got, got)
}
want := newInt(42)
p.Store(want)
if got := p.Load(); got != want {
t.Errorf("wrong value: got %p (%v), wanted %p (%v)", got, got, want, want)
}
want = newInt(100)
p.Store(want)
if got := p.Load(); got != want {
t.Errorf("wrong value: got %p (%v), wanted %p (%v)", got, got, want, want)
}
}