Adding crash utilities to chromecast/crash.

chromecast/base/process_utils_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromecast/base/process_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromecast {
 
 // Verify that a simple process works as expected.
 TEST(ProcessUtilsTest, SimpleProcess) {
   // Create a simple command.
   std::vector<std::string> args;
   args.push_back("echo");
   args.push_back("Hello World");
 
   // Execute the command and collect the output.
-  std::string stdout;
-  ASSERT_TRUE(GetAppOutput(args, &stdout));
+  std::string stdout_str;
+  ASSERT_TRUE(GetAppOutput(args, &stdout_str));
 
   // Echo will append a newline to the stdout.
-  EXPECT_EQ("Hello World\n", stdout);
+  EXPECT_EQ("Hello World\n", stdout_str);
 }
 
 // Verify that false is returned for an invalid command.
 TEST(ProcessUtilsTest, InvalidCommand) {
   // Create a command which is not valid.
   std::vector<std::string> args;
   args.push_back("invalid_command");
 
   // The command should not run.
-  std::string stdout;
-  ASSERT_FALSE(GetAppOutput(args, &stdout));
-  ASSERT_TRUE(stdout.empty());
+  std::string stdout_str;
+  ASSERT_FALSE(GetAppOutput(args, &stdout_str));
+  ASSERT_TRUE(stdout_str.empty());
 }
 
 // Verify that false is returned when a command an error code.
 TEST(ProcessUtilsTest, ProcessReturnsError) {
   // Create a simple command.
   std::vector<std::string> args;
   args.push_back("cd");
   args.push_back("path/to/invalid/directory");
   args.push_back("2>&1");  // Pipe the stderr into stdout.
 
   // Execute the command and collect the output. Verify that the output of the
   // process is collected, even when the process returns an error code.
-  std::string stderr;
-  ASSERT_FALSE(GetAppOutput(args, &stderr));
-  ASSERT_FALSE(stderr.empty());
+  std::string stderr_str;
+  ASSERT_FALSE(GetAppOutput(args, &stderr_str));
+  ASSERT_FALSE(stderr_str.empty());
 }
 
 }  // namespace chromecast