Struct traits used by GpuInfo

mojo/common/struct_traits_unittest.cc

Index: mojo/common/struct_traits_unittest.cc
diff --git a/mojo/common/struct_traits_unittest.cc b/mojo/common/struct_traits_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..054519d8fff450f4429e427da6df46a216a15477
--- /dev/null
+++ b/mojo/common/struct_traits_unittest.cc
@@ -0,0 +1,49 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/message_loop/message_loop.h"
+#include "mojo/common/traits_test_service.mojom.h"
+#include "mojo/public/cpp/bindings/binding_set.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace mojo {
+namespace common {
+namespace {
+
+class StructTraitsTest : public testing::Test, public mojom::TraitsTestService {
+ public:
+  StructTraitsTest() {}
+
+ protected:
+  mojom::TraitsTestServicePtr GetTraitsTestProxy() {
+    return traits_test_bindings_.CreateInterfacePtrAndBind(this);
+  }
+
+ private:
+  // TraitsTestService:
+  void EchoVersion(const base::Version& m,
+                   const EchoVersionCallback& callback) override {
+    callback.Run(m);
+  }
+
+  base::MessageLoop loop_;
+  mojo::BindingSet<TraitsTestService> traits_test_bindings_;
+
+  DISALLOW_COPY_AND_ASSIGN(StructTraitsTest);
+};
+
+TEST_F(StructTraitsTest, Version) {
+  const std::string& version_str = "1.2.3.4";
+  base::Version input(version_str);
+  mojom::TraitsTestServicePtr proxy = GetTraitsTestProxy();
+  base::Version output;
+  proxy->EchoVersion(input, &output);
+  base::Version test_version(version_str);
+
+  EXPECT_EQ(version_str, output.GetString());
+}
+
+}  // namespace
+}  // namespace common
+}  // namespace mojo