102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
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#include <gtest/gtest.h>
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#include <vanetza/geonet/timestamp.hpp>
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#include <limits>
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using namespace vanetza::geonet;
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const Timestamp::absolute_unit_type abs_ms;
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const auto max = std::numeric_limits<Timestamp::value_type>::max();
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TEST(Timestamp, ctor) {
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Timestamp a;
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EXPECT_EQ(a.raw(), 0);
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Timestamp b(Timestamp::time_type::from_value(832));
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EXPECT_EQ(b.raw(), 832);
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boost::posix_time::ptime p =
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boost::posix_time::time_from_string("2004-01-01 00:00:00.000");
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Timestamp c(p);
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EXPECT_EQ(c.raw(), 0);
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boost::posix_time::ptime q = p + boost::posix_time::milliseconds(5234);
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Timestamp d(q);
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EXPECT_EQ(d.raw(), 5234);
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}
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TEST(Timestamp, equality) {
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Timestamp a(413 * abs_ms);
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Timestamp b(412 * abs_ms);
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EXPECT_NE(a, b);
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Timestamp c(a);
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EXPECT_EQ(a, c);
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}
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TEST(Timestamp, max) {
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Timestamp a(895723 * abs_ms);
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Timestamp b((895723 + max + 1) * abs_ms);
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EXPECT_EQ(a, b);
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}
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TEST(Timestamp, is_greater) {
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Timestamp a(238 * abs_ms);
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Timestamp b(513 * abs_ms);
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EXPECT_TRUE(is_greater(b, a));
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EXPECT_FALSE(is_greater(a, b));
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Timestamp c((513 + max / 2) * abs_ms);
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EXPECT_TRUE(is_greater(c, b));
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Timestamp d((514 + max / 2) * abs_ms);
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EXPECT_FALSE(is_greater(d, b));
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Timestamp e(Timestamp::time_type::from_value(max));
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EXPECT_FALSE(is_greater(e, a));
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Timestamp f(Timestamp::time_type::from_value(max/2));
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EXPECT_FALSE(is_greater(e, f));
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Timestamp g(Timestamp::time_type::from_value(max/2 + 1));
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EXPECT_TRUE(is_greater(e, g));
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Timestamp h(513 * abs_ms);
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EXPECT_EQ(b, h);
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EXPECT_FALSE(is_greater(b, h));
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}
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TEST(Timestamp, less) {
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// operator< uses is_greater: we don't have to test a lot of combinations here
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Timestamp a(582 * abs_ms);
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Timestamp b(54884 * abs_ms);
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EXPECT_LT(a, b);
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Timestamp c(54884 * abs_ms);
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EXPECT_FALSE(c < b);
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}
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TEST(Timestamp, addition) {
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Timestamp a(89 * abs_ms);
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a += 348 * Timestamp::millisecond();
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EXPECT_EQ(a.raw(), 437);
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Timestamp b = a + 3483 * Timestamp::millisecond();
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EXPECT_EQ(a.raw(), 437);
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EXPECT_EQ(b.raw(), 3920);
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}
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TEST(Timestamp, substraction) {
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Timestamp a(3483 * abs_ms);
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a -= 89 * Timestamp::millisecond();
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EXPECT_EQ(a.raw(), 3394);
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a -= 5000 * Timestamp::millisecond();
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EXPECT_EQ(a.raw(), 4294965690);
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Timestamp b = a - 23 * Timestamp::millisecond();
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EXPECT_EQ(a.raw(), 4294965690);
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EXPECT_EQ(b.raw(), 4294965667);
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}
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TEST(Timestamp, difference) {
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Timestamp a(329 * abs_ms);
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Timestamp b(394 * abs_ms);
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EXPECT_EQ((a - b).value(), 4294967231);
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EXPECT_EQ((b - a).value(), 65);
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}
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