separate unittest folder

unittests/osal/TestClock.cpp

@@ -0,0 +1,86 @@
+#include <fsfw/globalfunctions/timevalOperations.h>
+#include <fsfw/timemanager/Clock.h>
+
+#include <array>
+#include <catch2/catch_approx.hpp>
+#include <catch2/catch_test_macros.hpp>
+
+#include "fsfw_tests/unit/CatchDefinitions.h"
+
+TEST_CASE("OSAL::Clock Test", "[OSAL::Clock Test]") {
+  SECTION("Test getClock") {
+    timeval time;
+    ReturnValue_t result = Clock::getClock_timeval(&time);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    Clock::TimeOfDay_t timeOfDay;
+    result = Clock::getDateAndTime(&timeOfDay);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    timeval timeOfDayAsTimeval;
+    result = Clock::convertTimeOfDayToTimeval(&timeOfDay, &timeOfDayAsTimeval);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    // We require timeOfDayAsTimeval to be larger than time as it
+    // was request a few ns later
+    double difference = timevalOperations::toDouble(timeOfDayAsTimeval - time);
+    CHECK(difference >= 0.0);
+    CHECK(difference <= 0.005);
+
+    // Conversion in the other direction
+    Clock::TimeOfDay_t timevalAsTimeOfDay;
+    result = Clock::convertTimevalToTimeOfDay(&time, &timevalAsTimeOfDay);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    CHECK(timevalAsTimeOfDay.year <= timeOfDay.year);
+    // TODO We should write TimeOfDay operators!
+  }
+  SECTION("Leap seconds") {
+    uint16_t leapSeconds = 0;
+    ReturnValue_t result = Clock::getLeapSeconds(&leapSeconds);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_FAILED);
+    REQUIRE(leapSeconds == 0);
+    result = Clock::setLeapSeconds(18);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    result = Clock::getLeapSeconds(&leapSeconds);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    REQUIRE(leapSeconds == 18);
+  }
+  SECTION("usec Test") {
+    timeval timeAsTimeval;
+    ReturnValue_t result = Clock::getClock_timeval(&timeAsTimeval);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    uint64_t timeAsUsec = 0;
+    result = Clock::getClock_usecs(&timeAsUsec);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    double timeAsUsecDouble = static_cast<double>(timeAsUsec) / 1000000.0;
+    timeval timeAsUsecTimeval = timevalOperations::toTimeval(timeAsUsecDouble);
+    double difference = timevalOperations::toDouble(timeAsUsecTimeval - timeAsTimeval);
+    // We accept 5 ms difference
+    CHECK(difference >= 0.0);
+    CHECK(difference <= 0.005);
+    uint64_t timevalAsUint64 = static_cast<uint64_t>(timeAsTimeval.tv_sec) * 1000000ull +
+                               static_cast<uint64_t>(timeAsTimeval.tv_usec);
+    CHECK((timeAsUsec - timevalAsUint64) >= 0);
+    CHECK((timeAsUsec - timevalAsUint64) <= (5 * 1000));
+  }
+  SECTION("Test j2000") {
+    double j2000;
+    timeval time;
+    time.tv_sec = 1648208539;
+    time.tv_usec = 0;
+    ReturnValue_t result = Clock::convertTimevalToJD2000(time, &j2000);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    double correctJ2000 = 2459663.98772 - 2451545.0;
+    CHECK(j2000 == Catch::Approx(correctJ2000).margin(1.2 * 1e-8));
+  }
+  SECTION("Convert to TT") {
+    timeval utcTime;
+    utcTime.tv_sec = 1648208539;
+    utcTime.tv_usec = 999000;
+    timeval tt;
+    ReturnValue_t result = Clock::setLeapSeconds(27);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    result = Clock::convertUTCToTT(utcTime, &tt);
+    REQUIRE(result == HasReturnvaluesIF::RETURN_OK);
+    CHECK(tt.tv_usec == 183000);
+    // The plus 1 is a own forced overflow of usecs
+    CHECK(tt.tv_sec == (1648208539 + 27 + 10 + 32 + 1));
+  }
+}