summaryrefslogtreecommitdiffhomepage
path: root/pkg/syncutil/atomicptrtest/atomicptr_test.go
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/syncutil/atomicptrtest/atomicptr_test.go')
-rw-r--r--pkg/syncutil/atomicptrtest/atomicptr_test.go31
1 files changed, 31 insertions, 0 deletions
diff --git a/pkg/syncutil/atomicptrtest/atomicptr_test.go b/pkg/syncutil/atomicptrtest/atomicptr_test.go
new file mode 100644
index 000000000..8fdc5112e
--- /dev/null
+++ b/pkg/syncutil/atomicptrtest/atomicptr_test.go
@@ -0,0 +1,31 @@
+// Copyright 2019 The gVisor Authors.
+//
+// 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)
+ }
+}