blob: f0837b10e5d3b860a29e119a33d0b19b09c0790a [file] [log] [blame]
// Copyright 2022 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 "base/bind.h"
#include "base/command_line.h"
#include "base/strings/stringprintf.h"
#include "base/test/launcher/unit_test_launcher.h"
#include "base/test/test_suite.h"
#include "testing/gtest/include/gtest/gtest.h"
#include <iostream>
// Update this when adding a new test to
int kNumTests = 11;
bool is_subprocess() {
// The test launching process spawns a subprocess to run tests, and it
// includes this flag.
return base::CommandLine::ForCurrentProcess()->HasSwitch(
int main(int argc, char** argv) {
// Run tests in a single process so we can count the tests.
std::string single_process = base::StringPrintf("--test-launcher-jobs=1");
// We verify that the test suite and test name written in the #[gtest] macro
// is being propagated to Gtest by using a test filter that matches on the
// test suites/names.
std::string filter =
int my_argc = argc + 2;
char** my_argv = new char*[argc];
for (int i = 0; i < argc; ++i)
my_argv = argv;
my_argv[argc] =;
my_argv[argc + 1] =;
base::TestSuite test_suite(my_argc, my_argv);
int result = base::LaunchUnitTests(
my_argc, my_argv,
base::BindOnce(&base::TestSuite::Run, base::Unretained(&test_suite)));
if (is_subprocess()) {
// Double-check that we actually ran all the tests. If this fails we'll see
// all the tests marked as "fail on exit" since the whole process is
// considered a failure.
auto succeed = testing::UnitTest::GetInstance()->successful_test_count();
int expected_success = kNumTests;
if (succeed != expected_success) {
std::cerr << "***ERROR***: Expected " << expected_success
<< " tests to succeed, but we saw: " << succeed << '\n';
return 1;
return result;