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// Copyright 2021 Proyectos y Sistemas de Mantenimiento SL (eProsima).
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <gtest/gtest.h>
#include <fastdds/rtps/common/Time_t.hpp>
using namespace eprosima::fastdds::rtps;
/*
* Test << operator
* NOTE: The conversion from double to Time_t is not equitative, so the string conversion is not exact to double
* i.e: Time_t(0.3) = 0.299999999
*/
TEST(TimeTest, serialize_operator)
{
std::stringstream ss;
Time_t t1;
ss << t1;
ASSERT_EQ(ss.str(), "0.0");
ss.str("");
ss.clear();
// Set sec and nanosec
Time_t t2(1, 0);
t2.nanosec(1);
ss << t2;
ASSERT_EQ(ss.str(), "1.1");
ss.str("");
ss.clear();
Time_t t3(4346, 0);
t3.nanosec(415672901);
ss << t3;
ASSERT_EQ(ss.str(), "4346.415672901");
ss.str("");
ss.clear();
// double constructor
Time_t t4(2.0);
ss << t4;
ASSERT_EQ(ss.str(), "2.0");
ss.str("");
ss.clear();
//! numeric converison when fraction precision
Time_t t5(0.000002);
ss << t5;
ASSERT_EQ(ss.str(), "0.1999");
ss.str("");
ss.clear();
// sec & frac constructor
Time_t t6(4346, 5);
ss << t6;
ASSERT_EQ(ss.str(), "4346.1");
ss.str("");
ss.clear();
}
/*
* Test >> operator
*/
TEST(TimeTest, deserialize_operator)
{
Time_t t;
// This does not work due to double precision
// std::stringstream st1("1.02");
// st1 >> t;
// ASSERT_EQ(t.seconds(), 1);
// ASSERT_EQ(t.nanosec(), 20000000u);
std::stringstream st1("1.002");
st1 >> t;
ASSERT_EQ(t.seconds(), 1);
ASSERT_EQ(t.nanosec(), 2u);
std::stringstream st2("0.000003");
st2 >> t;
ASSERT_EQ(t.seconds(), 0);
ASSERT_EQ(t.nanosec(), 3u);
// Non nanosecs
std::stringstream st3("12");
st3 >> t;
ASSERT_EQ(t.seconds(), 12);
ASSERT_EQ(t.nanosec(), 0u);
// Lowest time
std::stringstream st4("0.000000001");
st4 >> t;
ASSERT_EQ(t.seconds(), 0);
ASSERT_EQ(t.nanosec(), 1u);
// Check double precision
std::stringstream st5("4346.415672901");
st5 >> t;
ASSERT_EQ(t.seconds(), 4346);
ASSERT_EQ(t.nanosec(), 415672901u);
std::stringstream st6("123.456789");
st6 >> t;
ASSERT_EQ(t.seconds(), 123);
ASSERT_EQ(t.nanosec(), 456789u);
}
/*
* Test >> operator with bad format
*/
TEST(TimeTest, bad_format_deserialize_operator)
{
Time_t t;
// Check more than 9 digits
{
std::stringstream st("1.1231231231");
st >> t;
ASSERT_EQ(t.seconds(), 1);
ASSERT_EQ(t.nanosec(), 231231231u);
}
{
std::stringstream st("2.789789789789");
st >> t;
ASSERT_EQ(t.seconds(), 2);
ASSERT_EQ(t.nanosec(), 294967295u);
}
{
std::stringstream st("1234.999999999999");
st >> t;
ASSERT_EQ(t.seconds(), 1234);
ASSERT_EQ(t.nanosec(), 294967295u);
}
{
std::stringstream st("55.1000000001");
st >> t;
ASSERT_EQ(t.seconds(), 55);
ASSERT_EQ(t.nanosec(), 1u);
}
// Check a negative case
{
std::stringstream st("-3");
st >> t;
ASSERT_EQ(t.seconds(), -3);
ASSERT_EQ(t.nanosec(), 0u);
}
// One second from nanosecond case, set to zero time
{
std::stringstream st("0.1000000000");
st >> t;
ASSERT_EQ(t.seconds(), 0);
ASSERT_EQ(t.nanosec(), 0u);
}
// Non numeric case
{
std::stringstream st("non_number");
st >> t;
ASSERT_EQ(t.seconds(), 0);
ASSERT_EQ(t.nanosec(), 0u);
}
// Non numeric case after number
{
std::stringstream st("2non_number");
st >> t;
ASSERT_EQ(t.seconds(), 2);
ASSERT_EQ(t.nanosec(), 0u);
}
{
std::stringstream st("9.3non_number4");
st >> t;
ASSERT_EQ(t.seconds(), 9);
ASSERT_EQ(t.nanosec(), 3u);
}
}
int main(
int argc,
char** argv)
{
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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