// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
// 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.
#include <android/log.h>
#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <string.h>
#include <iterator>
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/at_exit.h"
#include "base/base_switches.h"
#include "base/clang_profiling_buildflags.h"
#include "base/command_line.h"
#include "base/debug/debugger.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/test/test_support_android.h"
#include "base/threading/thread_restrictions.h"
#include "gtest/gtest.h"
#include "testing/android/native_test/main_runner.h"
#include "testing/android/native_test/native_test_jni/NativeTest_jni.h"
#include "testing/android/native_test/native_test_util.h"
#if BUILDFLAG(CLANG_PROFILING)
#include "base/test/clang_profiling.h"
#endif
#if defined(__ANDROID_CLANG_COVERAGE__)
// This is only used by Cronet in AOSP.
extern "C" int __llvm_profile_dump(void);
#endif
using jni_zero::JavaParamRef;
// The main function of the program to be wrapped as a test apk.
extern int main(int argc, char** argv);
namespace testing {
namespace android {
namespace {
const char kLogTag[] = "chromium";
const char kCrashedMarker[] = "[ CRASHED ]\n";
// The list of signals which are considered to be crashes.
const int kExceptionSignals[] = {
SIGSEGV, SIGABRT, SIGFPE, SIGILL, SIGBUS, -1
};
struct sigaction g_old_sa[NSIG];
// This function runs in a compromised context. It should not allocate memory.
void SignalHandler(int sig, siginfo_t* info, void* reserved) {
// Output the crash marker.
write(STDOUT_FILENO, kCrashedMarker, sizeof(kCrashedMarker) - 1);
g_old_sa[sig].sa_sigaction(sig, info, reserved);
}
// 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);
}
} // namespace
static void JNI_NativeTest_RunTests(
JNIEnv* env,
const JavaParamRef<jstring>& jcommand_line_flags,
const JavaParamRef<jstring>& jcommand_line_file_path,
const JavaParamRef<jstring>& jstdout_file_path,
const JavaParamRef<jobject>& app_context,
const JavaParamRef<jstring>& jtest_data_dir) {
base::ScopedAllowBlockingForTesting allow;
// Required for DEATH_TESTS.
pthread_atfork(nullptr, nullptr, jni_zero::DisableJvmForTesting);
// Command line initialized basically, will be fully initialized later.
static const char* const kInitialArgv[] = { "ChromeTestActivity" };
base::CommandLine::Init(std::size(kInitialArgv), kInitialArgv);
std::vector<std::string> args;
const std::string command_line_file_path(
base::android::ConvertJavaStringToUTF8(env, jcommand_line_file_path));
if (command_line_file_path.empty())
args.push_back("_");
else
ParseArgsFromCommandLineFile(command_line_file_path.c_str(), &args);
const std::string command_line_flags(
base::android::ConvertJavaStringToUTF8(env, jcommand_line_flags));
ParseArgsFromString(command_line_flags, &args);
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 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.
if (freopen(stdout_file_path.value().c_str(), "a+", stdout) == NULL) {
AndroidLog(ANDROID_LOG_ERROR, "Failed to redirect stream to file: %s: %s\n",
stdout_file_path.value().c_str(), strerror(errno));
exit(EXIT_FAILURE);
}
// TODO(jbudorick): Remove this after resolving crbug.com/726880
AndroidLog(ANDROID_LOG_INFO, "Redirecting stdout to file: %s\n",
stdout_file_path.value().c_str());
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, true);
}
base::FilePath test_data_dir(
base::android::ConvertJavaStringToUTF8(env, jtest_data_dir));
base::InitAndroidTestPaths(test_data_dir);
ScopedMainEntryLogger scoped_main_entry_logger;
main(argc, &argv[0]);
// Explicitly write profiling data to LLVM profile file.
#if BUILDFLAG(CLANG_PROFILING)
base::WriteClangProfilingProfile();
#elif defined(__ANDROID_CLANG_COVERAGE__)
// Cronet runs tests in AOSP, where due to build system constraints, compiler
// flags can be changed (to enable coverage), but source files cannot be
// conditionally linked (as is the case with `clang_profiling.cc`).
//
// This will always get called from a single thread unlike
// base::WriteClangProfilingProfile hence the lack of locks.
__llvm_profile_dump();
#endif
}
// TODO(nileshagrawal): now that we're using FIFO, test scripts can detect EOF.
// Remove the signal handlers.
void InstallHandlers() {
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = SignalHandler;
sa.sa_flags = SA_SIGINFO;
for (unsigned int i = 0; kExceptionSignals[i] != -1; ++i) {
sigaction(kExceptionSignals[i], &sa, &g_old_sa[kExceptionSignals[i]]);
}
}
} // namespace android
} // namespace testing
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