Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.

BUG=N/A
R=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/17479005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/linux_unittest.cc b/webrtc/base/linux_unittest.cc
new file mode 100644
index 0000000..c65ef07
--- /dev/null
+++ b/webrtc/base/linux_unittest.cc
@@ -0,0 +1,104 @@
+/*
+ *  Copyright 2008 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <stdio.h>
+#include "webrtc/base/linux.h"
+#include "webrtc/base/fileutils.h"
+#include "webrtc/base/logging.h"
+#include "webrtc/base/gunit.h"
+
+namespace rtc {
+
+// These tests running on ARM are fairly specific to the output of the tegra2
+// ARM processor, and so may fail on other ARM-based systems.
+TEST(ProcCpuInfo, GetProcInfo) {
+  ProcCpuInfo proc_info;
+  EXPECT_TRUE(proc_info.LoadFromSystem());
+
+  int out_cpus = 0;
+  EXPECT_TRUE(proc_info.GetNumCpus(&out_cpus));
+  LOG(LS_INFO) << "GetNumCpus: " << out_cpus;
+  EXPECT_GT(out_cpus, 0);
+
+  int out_cpus_phys = 0;
+  EXPECT_TRUE(proc_info.GetNumPhysicalCpus(&out_cpus_phys));
+  LOG(LS_INFO) << "GetNumPhysicalCpus: " << out_cpus_phys;
+  EXPECT_GT(out_cpus_phys, 0);
+  EXPECT_LE(out_cpus_phys, out_cpus);
+
+  int out_family = 0;
+  EXPECT_TRUE(proc_info.GetCpuFamily(&out_family));
+  LOG(LS_INFO) << "cpu family: " << out_family;
+  EXPECT_GE(out_family, 4);
+
+#if defined(__arm__)
+  std::string out_processor;
+  EXPECT_TRUE(proc_info.GetSectionStringValue(0, "Processor", &out_processor));
+  LOG(LS_INFO) << "Processor: " << out_processor;
+  EXPECT_NE(std::string::npos, out_processor.find("ARM"));
+
+  // Most other info, such as model, stepping, vendor, etc.
+  // is missing on ARM systems.
+#else
+  int out_model = 0;
+  EXPECT_TRUE(proc_info.GetSectionIntValue(0, "model", &out_model));
+  LOG(LS_INFO) << "model: " << out_model;
+
+  int out_stepping = 0;
+  EXPECT_TRUE(proc_info.GetSectionIntValue(0, "stepping", &out_stepping));
+  LOG(LS_INFO) << "stepping: " << out_stepping;
+
+  int out_processor = 0;
+  EXPECT_TRUE(proc_info.GetSectionIntValue(0, "processor", &out_processor));
+  LOG(LS_INFO) << "processor: " << out_processor;
+  EXPECT_EQ(0, out_processor);
+
+  std::string out_str;
+  EXPECT_TRUE(proc_info.GetSectionStringValue(0, "vendor_id", &out_str));
+  LOG(LS_INFO) << "vendor_id: " << out_str;
+  EXPECT_FALSE(out_str.empty());
+#endif
+}
+
+TEST(ConfigParser, ParseConfig) {
+  ConfigParser parser;
+  MemoryStream *test_stream = new MemoryStream(
+      "Key1: Value1\n"
+      "Key2\t: Value2\n"
+      "Key3:Value3\n"
+      "\n"
+      "Key1:Value1\n");
+  ConfigParser::MapVector key_val_pairs;
+  parser.Attach(test_stream);
+  EXPECT_EQ(true, parser.Parse(&key_val_pairs));
+  EXPECT_EQ(2U, key_val_pairs.size());
+  EXPECT_EQ("Value1", key_val_pairs[0]["Key1"]);
+  EXPECT_EQ("Value2", key_val_pairs[0]["Key2"]);
+  EXPECT_EQ("Value3", key_val_pairs[0]["Key3"]);
+  EXPECT_EQ("Value1", key_val_pairs[1]["Key1"]);
+  key_val_pairs.clear();
+  EXPECT_EQ(true, parser.Open("/proc/cpuinfo"));
+  EXPECT_EQ(true, parser.Parse(&key_val_pairs));
+}
+
+#if !defined(WEBRTC_CHROMIUM_BUILDs)
+TEST(ReadLinuxLsbRelease, ReturnsSomething) {
+  std::string str = ReadLinuxLsbRelease();
+  // ChromeOS don't have lsb_release
+  // EXPECT_FALSE(str.empty());
+}
+#endif
+
+TEST(ReadLinuxUname, ReturnsSomething) {
+  std::string str = ReadLinuxUname();
+  EXPECT_FALSE(str.empty());
+}
+
+}  // namespace rtc