Roll Chrome into Mojo.

testing/android/native_test_launcher.cc

 // Copyright (c) 2012 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.
 
 // This class sets up the environment for running the native tests inside an
 // android application. It outputs (to a fifo) markers identifying the
 // START/PASSED/CRASH of the test suite, FAILURE/SUCCESS of individual tests,
 // etc.
 // These markers are read by the test runner script to generate test results.
 // It installs signal handlers to detect crashes.
@@ skipping 20 matching lines @@
 using testing::native_test_util::ArgsToArgv;
 using testing::native_test_util::ParseArgsFromCommandLineFile;
 using testing::native_test_util::ParseArgsFromString;
 using testing::native_test_util::ScopedMainEntryLogger;
 
 // The main function of the program to be wrapped as a test apk.
 extern int main(int argc, char** argv);
 
 namespace {
 
-// These two command line flags are supported for DumpRenderTree, which needs
-// three fifos rather than a combined one: one for stderr, stdin and stdout.
-const char kSeparateStderrFifo[] = "separate-stderr-fifo";
-const char kCreateStdinFifo[] = "create-stdin-fifo";
-
 // The test runner script writes the command line file in
 // "/data/local/tmp".
 static const char kCommandLineFilePath[] =
     "/data/local/tmp/chrome-native-tests-command-line";
 
 const char kLogTag[] = "chromium";
 const char kCrashedMarker[] = "[ CRASHED      ]\n";
 
 // The list of signals which are considered to be crashes.
 const int kExceptionSignals[] = {
@@ skipping 25 matching lines @@
 
 // Writes printf() style string to Android's logger where |priority| is one of
 // the levels defined in <android/log.h>.
 void AndroidLog(int priority, const char* format, ...) {
   va_list args;
   va_start(args, format);
   __android_log_vprint(priority, kLogTag, format, args);
   va_end(args);
 }
 
-// Ensures that the fifo at |path| is created by deleting whatever is at |path|
-// prior to (re)creating the fifo, otherwise logs the error and terminates the
-// program.
-void EnsureCreateFIFO(const base::FilePath& path) {
-  unlink(path.value().c_str());
-  if (base::android::CreateFIFO(path, 0666))
-    return;
-
-  AndroidLog(ANDROID_LOG_ERROR, "Failed to create fifo %s: %s\n",
-             path.value().c_str(), strerror(errno));
-  exit(EXIT_FAILURE);
-}
-
-// Ensures that |stream| is redirected to |path|, otherwise logs the error and
-// terminates the program.
-void EnsureRedirectStream(FILE* stream,
-                          const base::FilePath& path,
-                          const char* mode) {
-  if (base::android::RedirectStream(stream, path, mode))
-    return;
-
-  AndroidLog(ANDROID_LOG_ERROR, "Failed to redirect stream to file: %s: %s\n",
-             path.value().c_str(), strerror(errno));
-  exit(EXIT_FAILURE);
-}
-
 }  // namespace
 
 static void RunTests(JNIEnv* env,
                      jobject obj,
                      jstring jcommand_line_flags,
                      jstring jcommand_line_file_path,
-                     jstring jfiles_dir,
+                     jstring jstdout_file_path,
+                     jboolean jstdout_fifo,
                      jobject app_context) {
   base::AtExitManager exit_manager;
 
   // Command line initialized basically, will be fully initialized later.
   static const char* const kInitialArgv[] = { "ChromeTestActivity" };
   base::CommandLine::Init(arraysize(kInitialArgv), kInitialArgv);
 
   // Set the application context in base.
   base::android::ScopedJavaLocalRef<jobject> scoped_context(
       env, env->NewLocalRef(app_context));
@@ skipping 15 matching lines @@
 
   std::vector<char*> argv;
   int argc = ArgsToArgv(args, &argv);
 
   // Fully initialize command line with arguments.
   base::CommandLine::ForCurrentProcess()->AppendArguments(
       base::CommandLine(argc, &argv[0]), false);
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
 
-  base::FilePath files_dir(
-      base::android::ConvertJavaStringToUTF8(env, jfiles_dir));
+  base::FilePath stdout_file_path(
+      base::android::ConvertJavaStringToUTF8(env, jstdout_file_path));
 
   // A few options, such "--gtest_list_tests", will just use printf directly
   // Always redirect stdout to a known file.
-  base::FilePath fifo_path(files_dir.Append(base::FilePath("test.fifo")));
-  EnsureCreateFIFO(fifo_path);
-
-  base::FilePath stderr_fifo_path, stdin_fifo_path;
-
-  // DumpRenderTree needs a separate fifo for the stderr output. For all
-  // other tests, insert stderr content to the same fifo we use for stdout.
-  if (command_line.HasSwitch(kSeparateStderrFifo)) {
-    stderr_fifo_path = files_dir.Append(base::FilePath("stderr.fifo"));
-    EnsureCreateFIFO(stderr_fifo_path);
+  unlink(stdout_file_path.value().c_str());
+  if (jstdout_fifo) {
+    if (!base::android::CreateFIFO(stdout_file_path, 0666)) {
+      AndroidLog(ANDROID_LOG_ERROR, "Failed to create fifo %s: %s\n",
+                 stdout_file_path.value().c_str(), strerror(errno));
+      exit(EXIT_FAILURE);
+    }
   }
-
-  // DumpRenderTree uses stdin to receive input about which test to run.
-  if (command_line.HasSwitch(kCreateStdinFifo)) {
-    stdin_fifo_path = files_dir.Append(base::FilePath("stdin.fifo"));
-    EnsureCreateFIFO(stdin_fifo_path);
+  if (!base::android::RedirectStream(stdout, stdout_file_path, "w")) {
+    AndroidLog(ANDROID_LOG_ERROR, "Failed to redirect stream to file: %s: %s\n",
+               stdout_file_path.value().c_str(), strerror(errno));
+    exit(EXIT_FAILURE);
   }
-
-  // Only redirect the streams after all fifos have been created.
-  EnsureRedirectStream(stdout, fifo_path, "w");
-  if (!stdin_fifo_path.empty())
-    EnsureRedirectStream(stdin, stdin_fifo_path, "r");
-  if (!stderr_fifo_path.empty())
-    EnsureRedirectStream(stderr, stderr_fifo_path, "w");
-  else
-    dup2(STDOUT_FILENO, STDERR_FILENO);
+  dup2(STDOUT_FILENO, STDERR_FILENO);
 
   if (command_line.HasSwitch(switches::kWaitForDebugger)) {
     AndroidLog(ANDROID_LOG_VERBOSE,
                "Native test waiting for GDB because flag %s was supplied",
                switches::kWaitForDebugger);
     base::debug::WaitForDebugger(24 * 60 * 60, false);
   }
 
   ScopedMainEntryLogger scoped_main_entry_logger;
   main(argc, &argv[0]);
 }
 
 // This is called by the VM when the shared library is first loaded.
 JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
   // Install signal handlers to detect crashes.
   InstallHandlers();
 
   base::android::InitVM(vm);
   JNIEnv* env = base::android::AttachCurrentThread();
   if (!RegisterNativesImpl(env)) {
     return -1;
   }
 
   return JNI_VERSION_1_4;
 }