Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions are
       8             :  * met:
       9             :  *
      10             :  *     * Redistributions of source code must retain the above copyright
      11             :  * notice, this list of conditions and the following disclaimer.
      12             :  *     * Redistributions in binary form must reproduce the above
      13             :  * copyright notice, this list of conditions and the following disclaimer
      14             :  * in the documentation and/or other materials provided with the
      15             :  * distribution.
      16             :  *     * Neither the name of Google Inc. nor the names of its
      17             :  * contributors may be used to endorse or promote products derived from
      18             :  * this software without specific prior written permission.
      19             :  *
      20             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      21             :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      22             :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      23             :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      24             :  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      25             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      26             :  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      27             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      28             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      29             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      30             :  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      31             :  *
      32             :  */
      33             : 
      34             : #include <grpc/support/time.h>
      35             : #include <grpc++/support/time.h>
      36             : #include <gtest/gtest.h>
      37             : 
      38             : using std::chrono::duration_cast;
      39             : using std::chrono::microseconds;
      40             : using std::chrono::system_clock;
      41             : 
      42             : namespace grpc {
      43             : namespace {
      44             : 
      45           4 : class TimeTest : public ::testing::Test {};
      46             : 
      47           5 : TEST_F(TimeTest, AbsolutePointTest) {
      48           1 :   long us = 10000000L;
      49           1 :   gpr_timespec ts = gpr_time_from_micros(us, GPR_TIMESPAN);
      50           1 :   ts.clock_type = GPR_CLOCK_REALTIME;
      51           1 :   system_clock::time_point tp{microseconds(us)};
      52           1 :   system_clock::time_point tp_converted = Timespec2Timepoint(ts);
      53             :   gpr_timespec ts_converted;
      54           1 :   Timepoint2Timespec(tp_converted, &ts_converted);
      55           1 :   EXPECT_TRUE(ts.tv_sec == ts_converted.tv_sec);
      56           1 :   EXPECT_TRUE(ts.tv_nsec == ts_converted.tv_nsec);
      57           1 :   system_clock::time_point tp_converted_2 = Timespec2Timepoint(ts_converted);
      58           1 :   EXPECT_TRUE(tp == tp_converted);
      59           1 :   EXPECT_TRUE(tp == tp_converted_2);
      60           1 : }
      61             : 
      62             : // gpr_inf_future is treated specially and mapped to/from time_point::max()
      63           5 : TEST_F(TimeTest, InfFuture) {
      64           1 :   EXPECT_EQ(system_clock::time_point::max(),
      65           1 :             Timespec2Timepoint(gpr_inf_future(GPR_CLOCK_REALTIME)));
      66             :   gpr_timespec from_time_point_max;
      67           1 :   Timepoint2Timespec(system_clock::time_point::max(), &from_time_point_max);
      68           1 :   EXPECT_EQ(
      69           1 :       0, gpr_time_cmp(gpr_inf_future(GPR_CLOCK_REALTIME), from_time_point_max));
      70             :   // This will cause an overflow
      71             :   Timepoint2Timespec(
      72             :       std::chrono::time_point<system_clock, std::chrono::seconds>::max(),
      73           1 :       &from_time_point_max);
      74           1 :   EXPECT_EQ(
      75           1 :       0, gpr_time_cmp(gpr_inf_future(GPR_CLOCK_REALTIME), from_time_point_max));
      76           1 : }
      77             : 
      78             : }  // namespace
      79             : }  // namespace grpc
      80             : 
      81           1 : int main(int argc, char** argv) {
      82           1 :   ::testing::InitGoogleTest(&argc, argv);
      83           1 :   return RUN_ALL_TESTS();
      84           3 : }