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  • Committer: Package Import Robot
  • Author(s): Maximiliano Curia
  • Date: 2015-02-24 11:32:57 UTC
  • mfrom: (1.1.41 vivid)
  • Revision ID: package-import@ubuntu.com-20150224113257-gnupg4v7lzz18ij0
Tags: 4:14.12.2-1
* New upstream release (14.12.2).
* Bump Standards-Version to 3.9.6, no changes needed.

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protocols/jabber/libjingle/talk/base/cpuid_unittest.cc
 
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/*
 
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 * libjingle
 
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 * Copyright 2011, Google Inc.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions are met:
 
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 *
 
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 *  1. Redistributions of source code must retain the above copyright notice,
 
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 *     this list of conditions and the following disclaimer.
 
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 *  2. Redistributions in binary form must reproduce the above copyright notice,
 
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 *     this list of conditions and the following disclaimer in the documentation
 
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 *     and/or other materials provided with the distribution.
 
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 *  3. The name of the author may not be used to endorse or promote products
 
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 *     derived from this software without specific prior written permission.
 
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 *
 
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 
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 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
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 */
 
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#include <iostream>
 
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#include "talk/base/cpuid.h"
 
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#include "talk/base/gunit.h"
 
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#include "talk/base/stringutils.h"
 
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// Tests CPUID instruction for Vendor identification.
 
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TEST(CpuInfoTest, CpuVendorNonEmpty) {
 
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  EXPECT_FALSE(talk_base::CpuInfo::GetCpuVendor().empty());
 
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}
 
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#ifdef CPU_X86
 
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// Tests Vendor identification is Intel or AMD.
 
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// See Also http://en.wikipedia.org/wiki/CPUID
 
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TEST(CpuInfoTest, CpuVendorIntelAMD) {
 
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  const std::string vendor = talk_base::CpuInfo::GetCpuVendor();
 
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  LOG(LS_INFO) << "CpuVendor: " << vendor;
 
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  EXPECT_TRUE(talk_base::string_match(vendor.c_str(),
 
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                                      "GenuineIntel") ||
 
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              talk_base::string_match(vendor.c_str(),
 
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                                      "AuthenticAMD"));
 
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}
 
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// Tests CPUID maximum function number.
 
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// Modern CPU has 11, but we expect at least 3.
 
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TEST(CpuInfoTest, CpuIdMax) {
 
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  int cpu_info[4] = { 0 };
 
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  talk_base::cpuid(cpu_info, 0);
 
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  LOG(LS_INFO) << "CpuId Max Function: " << cpu_info[0];
 
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  EXPECT_GE(cpu_info[0], 1);
 
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}
 
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// Tests CPUID functions 0 and 1 return different values.
 
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TEST(CpuInfoTest, CpuId) {
 
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  int cpu_info0[4] = { 0 };
 
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  int cpu_info1[4] = { 0 };
 
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  talk_base::cpuid(cpu_info0, 0);
 
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  talk_base::cpuid(cpu_info1, 1);
 
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  LOG(LS_INFO) << "CpuId Function 0: " << std::hex
 
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               << std::setfill('0') << std::setw(8) << cpu_info0[0] << " "
 
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               << std::setfill('0') << std::setw(8) << cpu_info0[1] << " "
 
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               << std::setfill('0') << std::setw(8) << cpu_info0[2] << " "
 
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               << std::setfill('0') << std::setw(8) << cpu_info0[3];
 
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  LOG(LS_INFO) << "CpuId Function 1: " << std::hex
 
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               << std::setfill('0') << std::setw(8) << cpu_info1[0] << " "
 
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               << std::setfill('0') << std::setw(8) << cpu_info1[1] << " "
 
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               << std::setfill('0') << std::setw(8) << cpu_info1[2] << " "
 
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               << std::setfill('0') << std::setw(8) << cpu_info1[3];
 
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  EXPECT_NE(memcmp(cpu_info0, cpu_info1, sizeof(cpu_info0)), 0);
 
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  LOG(LS_INFO) << "SSE2: "
 
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      << talk_base::CpuInfo::TestCpuFlag(talk_base::CpuInfo::kCpuHasSSE2);
 
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  LOG(LS_INFO) << "SSSE3: "
 
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      << talk_base::CpuInfo::TestCpuFlag(talk_base::CpuInfo::kCpuHasSSSE3);
 
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}
 
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#endif
 
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