| // Copyright 2020 The Chromium Authors | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #include "components/metrics/machine_id_provider.h" | 
 |  | 
 | #include "base/system/sys_info.h" | 
 | #include "build/build_config.h" | 
 | #include "testing/gtest/include/gtest/gtest.h" | 
 |  | 
 | namespace metrics { | 
 |  | 
 | TEST(MachineIdProviderNonWinTest, GetId) { | 
 |   const bool has_machine_name = !base::SysInfo::HardwareModelName().empty(); | 
 |  | 
 | #if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_APPLE) | 
 |   DCHECK(has_machine_name); | 
 | #endif | 
 |  | 
 |   // Should only return a machine ID if the hardware model name is available. | 
 |   if (has_machine_name) { | 
 |     const std::string id1 = MachineIdProvider::GetMachineId(); | 
 |     EXPECT_TRUE(MachineIdProvider::HasId()); | 
 |     EXPECT_NE(std::string(), id1); | 
 |  | 
 |     const std::string id2 = MachineIdProvider::GetMachineId(); | 
 |     EXPECT_EQ(id1, id2); | 
 |   } else { | 
 |     EXPECT_FALSE(MachineIdProvider::HasId()); | 
 |   } | 
 | } | 
 |  | 
 | }  // namespace metrics |