1 files changed, 32 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/pipe/buffer_test.go b/pkg/sentry/kernel/pipe/buffer_test.go
new file mode 100644
index 000000000..4b7dbc43f
--- /dev/null
+++ b/pkg/sentry/kernel/pipe/buffer_test.go
@@ -0,0 +1,32 @@
+// Copyright 2019 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 pipe
+
+import (
+	"testing"
+	"unsafe"
+
+	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
+)
+
+func TestBufferSize(t *testing.T) {
+	bufferSize := unsafe.Sizeof(buffer{})
+	if bufferSize < usermem.PageSize {
+		t.Errorf("buffer is less than a page")
+	}
+	if bufferSize > (2 * usermem.PageSize) {
+		t.Errorf("buffer is greater than two pages")
+	}
+}