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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 <grpc/support/time.h>
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#include <grpcpp/support/time.h>
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#include <gtest/gtest.h>
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using std::chrono::duration_cast;
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using std::chrono::microseconds;
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using std::chrono::system_clock;
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namespace grpc {
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namespace {
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class TimeTest : public ::testing::Test {};
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TEST_F(TimeTest, AbsolutePointTest) {
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int64_t us = 10000000L;
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gpr_timespec ts = gpr_time_from_micros(us, GPR_TIMESPAN);
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ts.clock_type = GPR_CLOCK_REALTIME;
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system_clock::time_point tp{microseconds(us)};
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system_clock::time_point tp_converted = Timespec2Timepoint(ts);
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gpr_timespec ts_converted;
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Timepoint2Timespec(tp_converted, &ts_converted);
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EXPECT_TRUE(ts.tv_sec == ts_converted.tv_sec);
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EXPECT_TRUE(ts.tv_nsec == ts_converted.tv_nsec);
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system_clock::time_point tp_converted_2 = Timespec2Timepoint(ts_converted);
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EXPECT_TRUE(tp == tp_converted);
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EXPECT_TRUE(tp == tp_converted_2);
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}
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// gpr_inf_future is treated specially and mapped to/from time_point::max()
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TEST_F(TimeTest, InfFuture) {
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EXPECT_EQ(system_clock::time_point::max(),
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Timespec2Timepoint(gpr_inf_future(GPR_CLOCK_REALTIME)));
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gpr_timespec from_time_point_max;
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Timepoint2Timespec(system_clock::time_point::max(), &from_time_point_max);
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EXPECT_EQ(
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0, gpr_time_cmp(gpr_inf_future(GPR_CLOCK_REALTIME), from_time_point_max));
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// This will cause an overflow
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Timepoint2Timespec(
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std::chrono::time_point<system_clock, std::chrono::seconds>::max(),
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&from_time_point_max);
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EXPECT_EQ(
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0, gpr_time_cmp(gpr_inf_future(GPR_CLOCK_REALTIME), from_time_point_max));
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}
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} // namespace
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} // namespace grpc
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int main(int argc, char** 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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