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