#include <exiv2/types.hpp>
#include <cmath>
#include <limits>
#include "gtestwrapper.h"
using namespace Exiv2;
// More info about tm : http://www.cplusplus.com/reference/ctime/tm/
TEST(ExivTime, getsTimeFromValidString)
{
struct tm tmInstance;
ASSERT_EQ(0, exifTime("2007:05:24 12:31:55", &tmInstance));
ASSERT_EQ(107, tmInstance.tm_year); // Years since 1900
ASSERT_EQ(4, tmInstance.tm_mon);
ASSERT_EQ(24, tmInstance.tm_mday);
ASSERT_EQ(12, tmInstance.tm_hour);
ASSERT_EQ(31, tmInstance.tm_min);
ASSERT_EQ(55, tmInstance.tm_sec);
}
TEST(ExivTime, doesNotGetTimeWithBadFormedString)
{
struct tm tmInstance;
ASSERT_EQ(1, exifTime("007:a5:24 aa:bb:cc", &tmInstance));
}
TEST(DataBuf, pointsToNullByDefault)
{
DataBuf instance;
ASSERT_EQ(NULL, instance.pData_);
ASSERT_EQ(0, instance.size_);
}
TEST(DataBuf, allocatesDataWithNonEmptyConstructor)
{
DataBuf instance (5);
ASSERT_NE(static_cast<byte *>(NULL), instance.pData_); /// \todo use nullptr once we move to c++11
ASSERT_EQ(5, instance.size_);
}
TEST(Rational, floatToRationalCast)
{
static const float floats[] = {0.5f, 0.015f, 0.0000625f};
for (size_t i = 0; i < sizeof(floats) / sizeof(*floats); ++i) {
const Rational r = floatToRationalCast(floats[i]);
const float fraction = static_cast<float>(r.first) / static_cast<float>(r.second);
ASSERT_TRUE(fabs((floats[i] - fraction) / floats[i]) < 0.01f);
}
const Rational plus_inf = floatToRationalCast(std::numeric_limits<float>::infinity());
ASSERT_EQ(plus_inf.first, 1);
ASSERT_EQ(plus_inf.second, 0);
const Rational minus_inf = floatToRationalCast(-1 * std::numeric_limits<float>::infinity());
ASSERT_EQ(minus_inf.first, -1);
ASSERT_EQ(minus_inf.second, 0);
}