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//
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//
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// Copyright 2015 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//
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#include "src/core/lib/surface/init.h"
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#include <chrono>
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#include <memory>
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#include "absl/time/clock.h"
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#include "absl/time/time.h"
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#include "gtest/gtest.h"
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#include <grpc/event_engine/event_engine.h>
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#include <grpc/grpc.h>
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#include "src/core/lib/event_engine/default_event_engine.h"
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#include "src/core/lib/iomgr/exec_ctx.h"
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#include "test/core/util/test_config.h"
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static void test(int rounds) {
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int i;
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for (i = 0; i < rounds; i++) {
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grpc_init();
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}
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for (i = 0; i < rounds; i++) {
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grpc_shutdown();
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}
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EXPECT_FALSE(grpc_is_initialized());
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}
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TEST(Init, test) {
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test(1);
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test(2);
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test(3);
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}
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static void test_blocking(int rounds) {
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int i;
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for (i = 0; i < rounds; i++) {
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grpc_init();
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}
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for (i = 0; i < rounds; i++) {
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grpc_shutdown_blocking();
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}
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EXPECT_FALSE(grpc_is_initialized());
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}
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TEST(Init, blocking) {
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test_blocking(1);
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test_blocking(2);
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test_blocking(3);
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}
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TEST(Init, ShutdownWithThread) {
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grpc_init();
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{
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grpc_core::ApplicationCallbackExecCtx callback_exec_ctx(
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GRPC_APP_CALLBACK_EXEC_CTX_FLAG_IS_INTERNAL_THREAD);
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grpc_shutdown();
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}
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grpc_maybe_wait_for_async_shutdown();
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EXPECT_FALSE(grpc_is_initialized());
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}
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TEST(Init, mixed) {
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grpc_init();
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grpc_init();
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grpc_shutdown();
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grpc_init();
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grpc_shutdown();
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grpc_shutdown();
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EXPECT_FALSE(grpc_is_initialized());
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}
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TEST(Init, MixedWithThread) {
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grpc_init();
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{
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grpc_core::ApplicationCallbackExecCtx callback_exec_ctx(
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GRPC_APP_CALLBACK_EXEC_CTX_FLAG_IS_INTERNAL_THREAD);
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grpc_init();
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grpc_shutdown();
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grpc_init();
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grpc_shutdown();
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grpc_shutdown();
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}
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grpc_maybe_wait_for_async_shutdown();
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EXPECT_FALSE(grpc_is_initialized());
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}
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TEST(Init, Repeatedly) {
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for (int i = 0; i < 10; i++) {
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grpc_init();
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{
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grpc_core::ApplicationCallbackExecCtx callback_exec_ctx(
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GRPC_APP_CALLBACK_EXEC_CTX_FLAG_IS_INTERNAL_THREAD);
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grpc_shutdown();
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}
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}
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grpc_maybe_wait_for_async_shutdown();
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EXPECT_FALSE(grpc_is_initialized());
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}
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TEST(Init, RepeatedlyBlocking) {
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for (int i = 0; i < 10; i++) {
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grpc_init();
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{
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grpc_core::ApplicationCallbackExecCtx callback_exec_ctx(
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GRPC_APP_CALLBACK_EXEC_CTX_FLAG_IS_INTERNAL_THREAD);
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grpc_shutdown_blocking();
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}
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}
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EXPECT_FALSE(grpc_is_initialized());
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}
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TEST(Init, TimerManagerHoldsLastInit) {
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grpc_init();
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// the temporary engine is deleted immediately, and the callback owns a copy.
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auto engine = grpc_event_engine::experimental::GetDefaultEventEngine();
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engine->RunAfter(
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std::chrono::seconds(1),
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[engine = grpc_event_engine::experimental::GetDefaultEventEngine()] {
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grpc_core::ApplicationCallbackExecCtx app_exec_ctx;
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grpc_core::ExecCtx exec_ctx;
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grpc_shutdown();
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});
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while (engine.use_count() != 1) {
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absl::SleepFor(absl::Microseconds(15));
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}
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}
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int main(int argc, char** argv) {
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grpc::testing::TestEnvironment env(&argc, argv);
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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