1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "components/metrics/machine_id_provider.h" 6 7#include "base/memory/ref_counted.h" 8#include "testing/gtest/include/gtest/gtest.h" 9 10namespace metrics { 11 12TEST(MachineIdProviderTest, GetId) { 13 scoped_refptr<MachineIdProvider> provider( 14 MachineIdProvider::CreateInstance()); 15 std::string id1 = provider->GetMachineId(); 16 17 EXPECT_NE(std::string(), id1); 18 19 std::string id2 = provider->GetMachineId(); 20 EXPECT_EQ(id1, id2); 21} 22 23} // namespace metrics 24