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/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <thread>
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#include "test/core/util/port.h"
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#include "test/core/util/test_config.h"
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#include "test/cpp/util/echo_duplicate.grpc.pb.h"
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#include "test/cpp/util/echo.grpc.pb.h"
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#include "src/cpp/server/thread_pool.h"
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#include <grpc++/channel_arguments.h>
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#include <grpc++/channel_interface.h>
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#include <grpc++/client_context.h>
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#include <grpc++/create_channel.h>
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#include <grpc++/credentials.h>
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#include <grpc++/server.h>
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#include <grpc++/server_builder.h>
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#include <grpc++/server_context.h>
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#include <grpc++/server_credentials.h>
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#include <grpc++/status.h>
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#include <grpc++/stream.h>
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#include <grpc++/time.h>
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#include <gtest/gtest.h>
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#include <grpc/grpc.h>
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#include <grpc/support/thd.h>
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#include <grpc/support/time.h>
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#include "test/cpp/util/subprocess.h"
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using grpc::cpp::test::util::EchoRequest;
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using grpc::cpp::test::util::EchoResponse;
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using std::chrono::system_clock;
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static std::string g_root;
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namespace grpc {
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namespace testing {
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namespace {
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class CrashTest : public ::testing::Test {
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protected:
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CrashTest() {}
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std::unique_ptr<grpc::cpp::test::util::TestService::Stub>
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CreateServerAndStub() {
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auto port = grpc_pick_unused_port_or_die();
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std::ostringstream addr_stream;
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addr_stream << "localhost:" << port;
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auto addr = addr_stream.str();
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server_.reset(new SubProcess({
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g_root + "/client_crash_test_server",
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"--address=" + addr,
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}));
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GPR_ASSERT(server_);
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return grpc::cpp::test::util::TestService::NewStub(
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CreateChannel(addr, InsecureCredentials(), ChannelArguments()));
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}
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void KillServer() {
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server_.reset();
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}
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private:
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std::unique_ptr<SubProcess> server_;
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};
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TEST_F(CrashTest, KillBeforeWrite) {
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auto stub = CreateServerAndStub();
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EchoRequest request;
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EchoResponse response;
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ClientContext context;
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auto stream = stub->BidiStream(&context);
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request.set_message("Hello");
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EXPECT_TRUE(stream->Write(request));
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EXPECT_TRUE(stream->Read(&response));
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EXPECT_EQ(response.message(), request.message());
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KillServer();
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request.set_message("You should be dead");
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// This may succeed or fail depending on the state of the TCP connection
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stream->Write(request);
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// But the read will definitely fail
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EXPECT_FALSE(stream->Read(&response));
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EXPECT_FALSE(stream->Finish().ok());
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}
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TEST_F(CrashTest, KillAfterWrite) {
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auto stub = CreateServerAndStub();
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EchoRequest request;
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EchoResponse response;
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ClientContext context;
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auto stream = stub->BidiStream(&context);
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request.set_message("Hello");
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EXPECT_TRUE(stream->Write(request));
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EXPECT_TRUE(stream->Read(&response));
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EXPECT_EQ(response.message(), request.message());
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request.set_message("I'm going to kill you");
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EXPECT_TRUE(stream->Write(request));
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KillServer();
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EXPECT_FALSE(stream->Read(&response));
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EXPECT_FALSE(stream->Finish().ok());
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}
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} // namespace
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} // namespace testing
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} // namespace grpc
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int main(int argc, char** argv) {
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std::string me = argv[0];
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auto lslash = me.rfind('/');
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if (lslash != std::string::npos) {
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g_root = me.substr(0, lslash);
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} else {
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g_root = ".";
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}
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grpc_test_init(argc, argv);
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::testing::InitGoogleTest(&argc, argv);
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// Order seems to matter on these tests: run three times to eliminate that
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for (int i = 0; i < 3; i++) {
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if (RUN_ALL_TESTS() != 0) {
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return 1;
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}
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}
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return 0;
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}
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