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      1 // Copyright (C) 2014 The Android Open Source Project
      2 //
      3 // This software is licensed under the terms of the GNU General Public
      4 // License version 2, as published by the Free Software Foundation, and
      5 // may be copied, distributed, and modified under those terms.
      6 //
      7 // This program is distributed in the hope that it will be useful,
      8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
      9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     10 // GNU General Public License for more details.
     11 
     12 #include "android/emulation/CpuAccelerator.h"
     13 
     14 #include <stdio.h>
     15 
     16 #include <gtest/gtest.h>
     17 
     18 namespace android {
     19 
     20 class CpuAcceleratorTest : public ::testing::Test {
     21 public:
     22     CpuAcceleratorTest() {
     23         saved_accel_ = GetCurrentCpuAccelerator();
     24         saved_status_ = GetCurrentCpuAcceleratorStatus();
     25     }
     26 
     27     ~CpuAcceleratorTest() {
     28         // Restore previous state.
     29         SetCurrentCpuAcceleratorForTesting(saved_accel_,
     30                                            saved_status_.c_str());
     31     }
     32 private:
     33     CpuAccelerator saved_accel_;
     34     String saved_status_;
     35 };
     36 
     37 // Not really a test, but a simple way to print the current accelerator
     38 // value for simple verification.
     39 TEST_F(CpuAcceleratorTest, Default) {
     40     CpuAccelerator accel = GetCurrentCpuAccelerator();
     41     String status = GetCurrentCpuAcceleratorStatus();
     42 
     43     switch (accel) {
     44     case CPU_ACCELERATOR_NONE:
     45         printf("No acceleration possible on this machine!\n");
     46         break;
     47 
     48     case CPU_ACCELERATOR_KVM:
     49         printf("KVM acceleration usable on this machine!\n");
     50         break;
     51 
     52     case CPU_ACCELERATOR_HAX:
     53         printf("HAX acceleration usable on this machine!\n");
     54         break;
     55 
     56     default:
     57         ASSERT_FALSE(1) << "Invalid accelerator value: " << accel;
     58     }
     59     printf("Status: %s\n", status.c_str());
     60 }
     61 
     62 }  // namespace android
     63