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 <gtest/gtest.h>
20
21 #include <grpc/support/time.h>
22 #include <grpcpp/support/time.h>
23
24 #include "test/core/util/test_config.h"
25
26 using std::chrono::microseconds;
27 using std::chrono::system_clock;
28
29 namespace grpc {
30 namespace {
31
32 class TimeTest : public ::testing::Test {};
33
TEST_F(TimeTest,AbsolutePointTest)34 TEST_F(TimeTest, AbsolutePointTest) {
35 int64_t us = 10000000L;
36 gpr_timespec ts = gpr_time_from_micros(us, GPR_TIMESPAN);
37 ts.clock_type = GPR_CLOCK_REALTIME;
38 system_clock::time_point tp{microseconds(us)};
39 system_clock::time_point tp_converted = Timespec2Timepoint(ts);
40 gpr_timespec ts_converted;
41 Timepoint2Timespec(tp_converted, &ts_converted);
42 EXPECT_TRUE(ts.tv_sec == ts_converted.tv_sec);
43 EXPECT_TRUE(ts.tv_nsec == ts_converted.tv_nsec);
44 system_clock::time_point tp_converted_2 = Timespec2Timepoint(ts_converted);
45 EXPECT_TRUE(tp == tp_converted);
46 EXPECT_TRUE(tp == tp_converted_2);
47 }
48
49 // gpr_inf_future is treated specially and mapped to/from time_point::max()
TEST_F(TimeTest,InfFuture)50 TEST_F(TimeTest, InfFuture) {
51 EXPECT_EQ(system_clock::time_point::max(),
52 Timespec2Timepoint(gpr_inf_future(GPR_CLOCK_REALTIME)));
53 gpr_timespec from_time_point_max;
54 Timepoint2Timespec(system_clock::time_point::max(), &from_time_point_max);
55 EXPECT_EQ(
56 0, gpr_time_cmp(gpr_inf_future(GPR_CLOCK_REALTIME), from_time_point_max));
57 // This will cause an overflow
58 Timepoint2Timespec(
59 std::chrono::time_point<system_clock, std::chrono::seconds>::max(),
60 &from_time_point_max);
61 EXPECT_EQ(
62 0, gpr_time_cmp(gpr_inf_future(GPR_CLOCK_REALTIME), from_time_point_max));
63 }
64
65 } // namespace
66 } // namespace grpc
67
main(int argc,char ** argv)68 int main(int argc, char** argv) {
69 grpc::testing::TestEnvironment env(&argc, argv);
70 ::testing::InitGoogleTest(&argc, argv);
71 return RUN_ALL_TESTS();
72 }
73