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/*
* parametersetid_t.cppunit.cc
* CMSSW
*
*/
#include <map>
#include <string>
#include "cppunit/extensions/HelperMacros.h"
#include "DataFormats/Provenance/interface/ParameterSetID.h"
#include "FWCore/Utilities/interface/EDMException.h"
class testParameterSetID : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(testParameterSetID);
CPPUNIT_TEST(constructTest);
CPPUNIT_TEST_EXCEPTION(badConstructTest, edm::Exception);
CPPUNIT_TEST(comparisonTest);
CPPUNIT_TEST(suitableForMapTest);
CPPUNIT_TEST(unhexifyTest);
CPPUNIT_TEST(printTest);
CPPUNIT_TEST(oldRootFileCompatibilityTest);
CPPUNIT_TEST_SUITE_END();
std::string default_id_string;
std::string cow16;
public:
void setUp() {
default_id_string = "d41d8cd98f00b204e9800998ecf8427e";
cow16 = "DEADBEEFDEADBEEF";
}
void tearDown() {}
void constructTest();
void badConstructTest();
void comparisonTest();
void suitableForMapTest();
void unhexifyTest();
void printTest();
void oldRootFileCompatibilityTest();
};
///registration of the test so that the runner can find it
CPPUNIT_TEST_SUITE_REGISTRATION(testParameterSetID);
void testParameterSetID::constructTest() {
edm::ParameterSetID id1;
CPPUNIT_ASSERT(!id1.isValid());
edm::ParameterSetID id2(cow16);
CPPUNIT_ASSERT(id2.isValid());
CPPUNIT_ASSERT(id2.compactForm() == cow16);
}
void testParameterSetID::badConstructTest() { edm::ParameterSetID a("1"); }
void testParameterSetID::comparisonTest() {
edm::ParameterSetID a;
edm::ParameterSetID b;
CPPUNIT_ASSERT(a == b);
CPPUNIT_ASSERT(!(a != b));
CPPUNIT_ASSERT(!(a < b));
CPPUNIT_ASSERT(!(a > b));
}
void testParameterSetID::suitableForMapTest() {
typedef std::map<edm::ParameterSetID, int> map_t;
map_t m;
CPPUNIT_ASSERT(m.empty());
edm::ParameterSetID a;
m[a] = 100;
CPPUNIT_ASSERT(m.size() == 1);
CPPUNIT_ASSERT(m[a] == 100);
edm::ParameterSetID b(cow16);
m[b] = 200;
CPPUNIT_ASSERT(m.size() == 2);
CPPUNIT_ASSERT(m[a] == 100);
CPPUNIT_ASSERT(m[b] == 200);
CPPUNIT_ASSERT(m.erase(a) == 1);
CPPUNIT_ASSERT(m.size() == 1);
CPPUNIT_ASSERT(m[b] == 200);
CPPUNIT_ASSERT(m.find(a) == m.end());
}
void testParameterSetID::unhexifyTest() {
// 'a' has the MD5 checksum for an empty string.
edm::ParameterSetID a(default_id_string);
std::string a_compact = a.compactForm();
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[0]) == 0xd4);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[1]) == 0x1d);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[2]) == 0x8c);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[3]) == 0xd9);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[4]) == 0x8f);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[5]) == 0x00);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[6]) == 0xb2);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[7]) == 0x04);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[8]) == 0xe9);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[9]) == 0x80);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[10]) == 0x09);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[11]) == 0x98);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[12]) == 0xec);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[13]) == 0xf8);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[14]) == 0x42);
CPPUNIT_ASSERT(static_cast<unsigned char>(a_compact[15]) == 0x7e);
edm::ParameterSetID b;
std::string b_compact = b.compactForm();
CPPUNIT_ASSERT(b_compact.size() == 16);
}
void testParameterSetID::printTest() {
std::ostringstream os;
edm::ParameterSetID id(default_id_string);
os << id;
std::string output = os.str();
CPPUNIT_ASSERT(output == default_id_string);
std::ostringstream os2;
std::string s2("0123456789abcdef0123456789abcdef");
edm::ParameterSetID id2(s2);
CPPUNIT_ASSERT(id2.isValid());
os2 << id2;
std::string output2 = os2.str();
CPPUNIT_ASSERT(output2 == s2);
}
#include <iostream>
void testParameterSetID::oldRootFileCompatibilityTest() {
using namespace edm;
//simulate what ROOT does when reading an old ParameterSetID which has 32 characters
ParameterSetID dflt(default_id_string);
std::string sValue(default_id_string);
ParameterSetID* evil(reinterpret_cast<ParameterSetID*>(&sValue));
CPPUNIT_ASSERT(not evil->isCompactForm());
CPPUNIT_ASSERT(dflt.isCompactForm());
ParameterSetID evilCopy(*evil);
CPPUNIT_ASSERT(evilCopy.isCompactForm());
CPPUNIT_ASSERT(dflt == evilCopy);
CPPUNIT_ASSERT(evilCopy == *evil);
std::cout << dflt << std::endl;
std::cout << evil << std::endl;
CPPUNIT_ASSERT(dflt == *evil);
/*Do an 'exhaustive' test to see if comparisons are preserved
in the case of conversion from non-compact to compact form
and that comparision between non-compact to compact form also
preserves ordering.
Because the 'hex' version is just a repetition of two characters per byte,
we only need to do 2^8-1 comparisions rather than 2^32-1 comparisions when
doing the exhaustive test
*/
const char hexbits[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
const size_t nHexBits = sizeof(hexbits) / sizeof(char);
char buffer[3];
buffer[2] = 0;
std::string theOldValue("00000000000000000000000000000000");
ParameterSetID theOldHash(theOldValue);
for (const char* itHigh = hexbits; itHigh != hexbits + nHexBits; ++itHigh) {
const char* lowStart = hexbits;
if (itHigh == hexbits) {
lowStart += 1;
}
for (const char* itLow = lowStart; itLow != hexbits + nHexBits; ++itLow) {
buffer[0] = *itHigh;
buffer[1] = *itLow;
std::string theValue(buffer);
//need to make this 32 bytes long, now we are 2 bytes
theValue = theValue + theValue; //4
theValue = theValue + theValue; //8
theValue = theValue + theValue; //16
theValue = theValue + theValue; //32
//std::cout <<theValue<<std::endl;
CPPUNIT_ASSERT(theOldValue < theValue);
ParameterSetID theHash(theValue);
CPPUNIT_ASSERT(theOldHash < theHash);
ParameterSetID* theEvil(reinterpret_cast<ParameterSetID*>(&theValue));
ParameterSetID* theOldEvil(reinterpret_cast<ParameterSetID*>(&theOldValue));
CPPUNIT_ASSERT(*theOldEvil < *theEvil);
CPPUNIT_ASSERT(*theOldEvil < theHash);
CPPUNIT_ASSERT(theOldHash < *theEvil);
theOldValue = theValue;
theOldHash = theHash;
}
}
}
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