contrib/ntp/tests/libntp/g_caljulian.cpp

   1 #include "g_libntptest.h"
   2
   3 extern "C" {
   4 #include "ntp_calendar.h"
   5 }
   6
   7 #include <string>
   8 #include <sstream>
   9
  10 class caljulianTest : public libntptest {
  11 protected:
  12         virtual void SetUp();
  13         virtual void TearDown();
  14
  15         std::string CalendarToString(const calendar &cal) {
  16                 std::ostringstream ss;
  17                 ss << cal.year << "-" << (u_int)cal.month << "-" << (u_int)cal.monthday
  18                    << " (" << cal.yearday << ") " << (u_int)cal.hour << ":"
  19                    << (u_int)cal.minute << ":" << (u_int)cal.second;
  20                 return ss.str();
  21         }
  22
  23         ::testing::AssertionResult IsEqual(const calendar &expected, const calendar &actual) {
  24                 if (expected.year == actual.year &&
  25                         (expected.yearday == actual.yearday ||
  26                          (expected.month == actual.month &&
  27                           expected.monthday == actual.monthday)) &&
  28                         expected.hour == actual.hour &&
  29                         expected.minute == actual.minute &&
  30                         expected.second == actual.second) {
  31                         return ::testing::AssertionSuccess();
  32                 } else {
  33                         return ::testing::AssertionFailure()
  34                                 << "expected: " << CalendarToString(expected) << " but was "
  35                                 << CalendarToString(actual);
  36                 }
  37         }
  38 };
  39
  40 void caljulianTest::SetUp()
  41 {
  42     ntpcal_set_timefunc(timefunc);
  43     settime(1970, 1, 1, 0, 0, 0);
  44 }
  45
  46 void caljulianTest::TearDown()
  47 {
  48     ntpcal_set_timefunc(NULL);
  49 }
  50
  51
  52 TEST_F(caljulianTest, RegularTime) {
  53         u_long testDate = 3485080800UL; // 2010-06-09 14:00:00
  54         calendar expected = {2010,160,6,9,14,0,0};
  55
  56         calendar actual;
  57
  58         caljulian(testDate, &actual);
  59
  60         EXPECT_TRUE(IsEqual(expected, actual));
  61 }
  62
  63 TEST_F(caljulianTest, LeapYear) {
  64         u_long input = 3549902400UL; // 2012-06-28 20:00:00Z
  65         calendar expected = {2012, 179, 6, 28, 20, 0, 0};
  66
  67         calendar actual;
  68
  69         caljulian(input, &actual);
  70
  71         EXPECT_TRUE(IsEqual(expected, actual));
  72 }
  73
  74 TEST_F(caljulianTest, uLongBoundary) {
  75         u_long time = 4294967295UL; // 2036-02-07 6:28:15
  76         calendar expected = {2036,0,2,7,6,28,15};
  77
  78         calendar actual;
  79
  80         caljulian(time, &actual);
  81
  82         EXPECT_TRUE(IsEqual(expected, actual));
  83 }
  84
  85 TEST_F(caljulianTest, uLongWrapped) {
  86         u_long time = 0;
  87         calendar expected = {2036,0,2,7,6,28,16};
  88
  89         calendar actual;
  90
  91         caljulian(time, &actual);
  92
  93         EXPECT_TRUE(IsEqual(expected, actual));
  94 }