1 files changed, 51 insertions, 0 deletions
diff --git a/tools/checklocks/test/alignment.go b/tools/checklocks/test/alignment.go
new file mode 100644
index 000000000..cd857ff73
--- /dev/null
+++ b/tools/checklocks/test/alignment.go
@@ -0,0 +1,51 @@
+// Copyright 2020 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 test
+
+type alignedStruct32 struct {
+	v int32
+}
+
+type alignedStruct64 struct {
+	v int64
+}
+
+type alignedStructGood struct {
+	v0 alignedStruct32
+	v1 alignedStruct32
+	v2 alignedStruct64
+}
+
+type alignedStructGoodArray0 struct {
+	v0 [3]alignedStruct32
+	v1 [3]alignedStruct32
+	v2 alignedStruct64
+}
+
+type alignedStructGoodArray1 [16]alignedStructGood
+
+type alignedStructBad struct {
+	v0 alignedStruct32
+	v1 alignedStruct64
+	v2 alignedStruct32
+}
+
+type alignedStructBadArray0 struct {
+	v0 [3]alignedStruct32
+	v1 [2]alignedStruct64
+	v2 [1]alignedStruct32
+}
+
+type alignedStructBadArray1 [16]alignedStructBad