1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <grpc/support/time.h>
20 #include <grpcpp/support/time.h>
21 #include <gtest/gtest.h>
22
23 using std::chrono::duration_cast;
24 using std::chrono::microseconds;
25 using std::chrono::system_clock;
26
27 namespace grpc {
28 namespace {
29
30 class TimeTest : public ::testing::Test {};
31
TEST_F(TimeTest,AbsolutePointTest)32 TEST_F(TimeTest, AbsolutePointTest) {
33 int64_t us = 10000000L;
34 gpr_timespec ts = gpr_time_from_micros(us, GPR_TIMESPAN);
35 ts.clock_type = GPR_CLOCK_REALTIME;
36 system_clock::time_point tp{microseconds(us)};
37 system_clock::time_point tp_converted = Timespec2Timepoint(ts);
38 gpr_timespec ts_converted;
39 Timepoint2Timespec(tp_converted, &ts_converted);
40 EXPECT_TRUE(ts.tv_sec == ts_converted.tv_sec);
41 EXPECT_TRUE(ts.tv_nsec == ts_converted.tv_nsec);
42 system_clock::time_point tp_converted_2 = Timespec2Timepoint(ts_converted);
43 EXPECT_TRUE(tp == tp_converted);
44 EXPECT_TRUE(tp == tp_converted_2);
45 }
46
47 // gpr_inf_future is treated specially and mapped to/from time_point::max()
TEST_F(TimeTest,InfFuture)48 TEST_F(TimeTest, InfFuture) {
49 EXPECT_EQ(system_clock::time_point::max(),
50 Timespec2Timepoint(gpr_inf_future(GPR_CLOCK_REALTIME)));
51 gpr_timespec from_time_point_max;
52 Timepoint2Timespec(system_clock::time_point::max(), &from_time_point_max);
53 EXPECT_EQ(
54 0, gpr_time_cmp(gpr_inf_future(GPR_CLOCK_REALTIME), from_time_point_max));
55 // This will cause an overflow
56 Timepoint2Timespec(
57 std::chrono::time_point<system_clock, std::chrono::seconds>::max(),
58 &from_time_point_max);
59 EXPECT_EQ(
60 0, gpr_time_cmp(gpr_inf_future(GPR_CLOCK_REALTIME), from_time_point_max));
61 }
62
63 } // namespace
64 } // namespace grpc
65
main(int argc,char ** argv)66 int main(int argc, char** argv) {
67 ::testing::InitGoogleTest(&argc, argv);
68 return RUN_ALL_TESTS();
69 }
70