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#include "vtkDICOMUtilities.h"
#include "vtkDICOMDictionary.h"
#include "vtkStringArray.h"
#include "vtkSmartPointer.h"
#include <sstream>
#include <algorithm>
#include <string>
#include <string.h>
#include <stdlib.h>
// macro for performing tests
#define TestAssert(t) \
if (!(t)) \
{ \
cout << exename << ": Assertion Failed: " << #t << "\n"; \
cout << __FILE__ << ":" << __LINE__ << "\n"; \
cout.flush(); \
rval |= 1; \
}
int TestDICOMUtilities(int argc, char *argv[])
{
int rval = 0;
const char *exename = (argc > 0 ? argv[0] : "TestDICOMVM");
// remove path portion of exename
const char *cp = exename + strlen(exename);
while (cp != exename && cp[-1] != '\\' && cp[-1] != '/') { --cp; }
exename = cp;
typedef vtkDICOMUtilities DU;
{ // Test comparison of UIDs
const char *uid1 = "1.2.840.113619.2.334";
const char *uid2 = "1.2.840.113619.2.334.3";
const char *uid3 = "1.2.840.113619.2.334.4";
const char *uid4 = "1.2.840.113619.2.334.12";
TestAssert(DU::CompareUIDs(uid1, uid1) == 0);
TestAssert(DU::CompareUIDs(uid1, uid2) == -1);
TestAssert(DU::CompareUIDs(uid2, uid3) == -1);
TestAssert(DU::CompareUIDs(uid3, uid4) == -1);
TestAssert(DU::CompareUIDs(uid2, uid1) == 1);
TestAssert(DU::CompareUIDs(uid3, uid2) == 1);
TestAssert(DU::CompareUIDs(uid4, uid3) == 1);
}
{ // Test UID generation with 2.25 prefix
std::string uid = DU::GenerateUID(DC::FrameOfReferenceUID);
TestAssert(strncmp(uid.data(), "2.25.", 5) == 0);
vtkSmartPointer<vtkStringArray> a = vtkSmartPointer<vtkStringArray>::New();
a->SetNumberOfValues(10);
DU::GenerateUIDs(DC::SeriesInstanceUID, a);
for (int i = 0; i < 9; i++)
{
TestAssert(DU::CompareUIDs(a->GetValue(i).c_str(), a->GetValue(i+1).c_str()) < 0);
}
}
{ // Test UID generation with given prefix
DU::SetUIDPrefix("1.2.840.10008.");
std::string uid = DU::GenerateUID(DC::FrameOfReferenceUID);
TestAssert(strncmp(uid.data(), "1.2.840.10008.", 14) == 0);
vtkSmartPointer<vtkStringArray> a = vtkSmartPointer<vtkStringArray>::New();
a->SetNumberOfValues(10);
DU::GenerateUIDs(DC::SeriesInstanceUID, a);
for (int i = 0; i < 9; i++)
{
TestAssert(DU::CompareUIDs(a->GetValue(i).c_str(), a->GetValue(i+1).c_str()) < 0);
}
}
{ // Test DateTime generation
std::string s = DU::GenerateDateTime("-0600");
long long l = DU::ConvertDateTime(s.c_str());
std::string t = DU::GenerateDateTime(l, "-0600");
TestAssert(s == t);
s = DU::GenerateDateTime(nullptr);
l = DU::ConvertDateTime(s.c_str());
t = DU::GenerateDateTime(l, nullptr);
TestAssert(s == t);
s = "20140710093855.874905-0600";
l = DU::ConvertDateTime(s.c_str());
TestAssert(l == 1405006735874905ll);
}
{ // Test DateTime handling of DST boundaries
const char *times[4] = {
"20170312015959.999999",
"20170312030000.000000",
"20171105015959.999999",
"20171105020000.000000",
};
for (int i = 0; i < 4; i++)
{
long long l = DU::ConvertDateTime(times[i]);
std::string t = DU::GenerateDateTime(l, nullptr);
TestAssert(t.compare(0, 21, times[i]) == 0);
}
}
{ // Test packing/unpacking
static const unsigned char t[4] = { 166, 95, 230, 93 };
unsigned char u[4];
unsigned int v = 1575378854;
TestAssert(DU::UnpackUnsignedInt(t) == v);
DU::PackUnsignedInt(v, u);
TestAssert(u[0] == t[0] && u[1] == t[1] && u[2] == t[2] && u[3] == t[3]);
}
return rval;
}
#ifdef VTK_DICOM_SEPARATE_TESTS
int main(int argc, char *argv[])
{
return TestDICOMUtilities(argc, argv);
}
#endif
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