1 files changed, 14 insertions, 0 deletions
diff --git a/src/cmd/vet/testdata/atomic/atomic.go b/src/cmd/vet/testdata/atomic/atomic.go
new file mode 100644
index 0000000..650d56b
--- /dev/null
+++ b/src/cmd/vet/testdata/atomic/atomic.go
@@ -0,0 +1,14 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// This file contains tests for the atomic checker.
+
+package atomic
+
+import "sync/atomic"
+
+func AtomicTests() {
+	x := uint64(1)
+	x = atomic.AddUint64(&x, 1) // ERROR "direct assignment to atomic value"
+}