323 lines
14 KiB
C++
323 lines
14 KiB
C++
#include "../conversion/binaryconversion.h"
|
|
#include "../conversion/stringconversion.h"
|
|
#include "../conversion/stringbuilder.h"
|
|
#include "../tests/testutils.h"
|
|
|
|
#include <cppunit/extensions/HelperMacros.h>
|
|
#include <cppunit/TestFixture.h>
|
|
|
|
#include <random>
|
|
#include <sstream>
|
|
#include <functional>
|
|
#include <initializer_list>
|
|
|
|
using namespace std;
|
|
using namespace ConversionUtilities;
|
|
using namespace TestUtilities;
|
|
|
|
using namespace CPPUNIT_NS;
|
|
|
|
/*!
|
|
* \brief The ConversionTests class tests classes and methods of the ConversionUtilities namespace.
|
|
*/
|
|
class ConversionTests : public TestFixture
|
|
{
|
|
CPPUNIT_TEST_SUITE(ConversionTests);
|
|
CPPUNIT_TEST(testEndianness);
|
|
CPPUNIT_TEST(testBinaryConversions);
|
|
CPPUNIT_TEST(testSwapOrderFunctions);
|
|
CPPUNIT_TEST(testStringEncodingConversions);
|
|
CPPUNIT_TEST(testStringConversions);
|
|
CPPUNIT_TEST(testStringBuilder);
|
|
CPPUNIT_TEST_SUITE_END();
|
|
|
|
public:
|
|
ConversionTests();
|
|
|
|
void setUp() {}
|
|
void tearDown() {}
|
|
|
|
void testEndianness();
|
|
void testBinaryConversions();
|
|
void testSwapOrderFunctions();
|
|
void testStringEncodingConversions();
|
|
void testStringConversions();
|
|
void testStringBuilder();
|
|
|
|
private:
|
|
template<typename intType>
|
|
void testConversion(const char *message, function<void (intType, char *)> vice, function<intType (const char *)> verca, intType min, intType max);
|
|
|
|
char m_buff[8];
|
|
random_device m_randomDevice;
|
|
mt19937 m_randomEngine;
|
|
};
|
|
|
|
CPPUNIT_TEST_SUITE_REGISTRATION(ConversionTests);
|
|
|
|
ConversionTests::ConversionTests() :
|
|
m_randomDevice(),
|
|
m_randomEngine(m_randomDevice())
|
|
{}
|
|
|
|
/*!
|
|
* \brief Tests whether macros for endianness are correct.
|
|
*/
|
|
void ConversionTests::testEndianness()
|
|
{
|
|
union {
|
|
uint32_t integer;
|
|
char characters[4];
|
|
} test = {0x01020304};
|
|
#if defined(CONVERSION_UTILITIES_BYTE_ORDER_BIG_ENDIAN)
|
|
// test whether macro definitions are consistent
|
|
CPPUNIT_ASSERT(CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN == true);
|
|
CPPUNIT_ASSERT(CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN == false);
|
|
// test whether byte order assumption is correct
|
|
CPPUNIT_ASSERT_MESSAGE("Byte order assumption (big-endian) is wrong", test.characters[0] == 0x01);
|
|
#elif defined(CONVERSION_UTILITIES_BYTE_ORDER_LITTLE_ENDIAN)
|
|
// test whether macro definitions are consistent
|
|
CPPUNIT_ASSERT(CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN == false);
|
|
CPPUNIT_ASSERT(CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN == true);
|
|
// test whether byte order assumption is correct
|
|
CPPUNIT_ASSERT_MESSAGE("Byte order assumption (little-endian) is wrong", test.characters[0] == 0x04);
|
|
#else
|
|
CPPUNIT_FAIL("There is not valid byte order assumption");
|
|
#endif
|
|
}
|
|
|
|
template<typename intType>
|
|
void ConversionTests::testConversion(const char *message, function<void (intType, char *)> vice, function<intType (const char *)> versa, intType min, intType max)
|
|
{
|
|
const intType random = uniform_int_distribution<intType>(min, max)(m_randomEngine);
|
|
stringstream msg;
|
|
msg << message << '(' << hex << '0' << 'x' << random << ')';
|
|
vice(random, m_buff);
|
|
CPPUNIT_ASSERT_MESSAGE(msg.str(), versa(m_buff) == random);
|
|
}
|
|
|
|
#define TEST_TYPE(endianness, function) \
|
|
decltype(endianness::function(m_buff))
|
|
|
|
#define TEST_CONVERSION(function, endianness) \
|
|
testConversion<TEST_TYPE(endianness, function)>( \
|
|
"testing " #function, \
|
|
static_cast<void(*)(TEST_TYPE(endianness, function), char *)>(&endianness::getBytes), \
|
|
endianness::function, \
|
|
numeric_limits<TEST_TYPE(endianness, function)>::min(), \
|
|
numeric_limits<TEST_TYPE(endianness, function)>::max() \
|
|
)
|
|
|
|
#define TEST_BE_CONVERSION(function) \
|
|
TEST_CONVERSION( \
|
|
function, BE \
|
|
)
|
|
|
|
#define TEST_LE_CONVERSION(function) \
|
|
TEST_CONVERSION( \
|
|
function, LE \
|
|
)
|
|
|
|
#define TEST_CUSTOM_CONVERSION(vice, versa, endianness, min, max) \
|
|
testConversion<TEST_TYPE(endianness, versa)>( \
|
|
"testing " #versa, \
|
|
static_cast<void(*)(TEST_TYPE(endianness, versa), char *)>(&endianness::vice), \
|
|
endianness::versa, \
|
|
min, max \
|
|
)
|
|
|
|
/*!
|
|
* \brief Tests most important binary conversions.
|
|
*
|
|
* Tests toUInt16(), ... toUInt64(), toInt16(), ... toInt64() and
|
|
* the inverse getBytes() functions with random numbers.
|
|
*/
|
|
void ConversionTests::testBinaryConversions()
|
|
{
|
|
// test to...() / getBytes() with random numbers
|
|
for(byte b = 1; b < 100; ++b) {
|
|
TEST_BE_CONVERSION(toUInt16);
|
|
TEST_BE_CONVERSION(toUInt32);
|
|
TEST_BE_CONVERSION(toUInt64);
|
|
TEST_LE_CONVERSION(toUInt16);
|
|
TEST_LE_CONVERSION(toUInt32);
|
|
TEST_LE_CONVERSION(toUInt64);
|
|
TEST_BE_CONVERSION(toInt16);
|
|
TEST_BE_CONVERSION(toInt32);
|
|
TEST_BE_CONVERSION(toInt64);
|
|
TEST_LE_CONVERSION(toInt16);
|
|
TEST_LE_CONVERSION(toInt32);
|
|
TEST_LE_CONVERSION(toInt64);
|
|
TEST_CUSTOM_CONVERSION(getBytes24, toUInt24, BE, 0, 0xFFFFFF);
|
|
TEST_CUSTOM_CONVERSION(getBytes24, toUInt24, LE, 0, 0xFFFFFF);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \brief Tests swap order functions.
|
|
*/
|
|
void ConversionTests::testSwapOrderFunctions()
|
|
{
|
|
CPPUNIT_ASSERT(swapOrder(static_cast<uint16>(0x7825)) == 0x2578);
|
|
CPPUNIT_ASSERT(swapOrder(static_cast<uint32>(0x12345678)) == 0x78563412);
|
|
CPPUNIT_ASSERT(swapOrder(static_cast<uint64>(0x1122334455667788)) == 0x8877665544332211);
|
|
}
|
|
|
|
/*!
|
|
* \brief Internally used for string encoding tests to check results.
|
|
*/
|
|
void assertEqual(const char *message, const byte *expectedValues, size_t expectedSize, const StringData &actualValues)
|
|
{
|
|
// check whether number of elements matches
|
|
CPPUNIT_ASSERT_EQUAL_MESSAGE(message, expectedSize, actualValues.second);
|
|
// check whether contents match
|
|
auto *end = expectedValues + expectedSize;
|
|
auto *i = reinterpret_cast<byte *>(actualValues.first.get());
|
|
for(; expectedValues != end; ++expectedValues, ++i) {
|
|
CPPUNIT_ASSERT_EQUAL_MESSAGE(message, asHexNumber(*expectedValues), asHexNumber(*i));
|
|
}
|
|
}
|
|
|
|
#if CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN == true
|
|
# define LE_STR_FOR_ENDIANNESS(name) name ## LE ## String
|
|
# define BE_STR_FOR_ENDIANNESS(name) name ## BE ## String
|
|
#elif CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN == true
|
|
# define LE_STR_FOR_ENDIANNESS(name) name ## BE ## String
|
|
# define BE_STR_FOR_ENDIANNESS(name) name ## LE ## String
|
|
#endif
|
|
|
|
/*!
|
|
* \def LE_STR_FOR_ENDIANNESS
|
|
* \brief Selects right string for little-endian checks.
|
|
*/
|
|
|
|
/*!
|
|
* \def BE_STR_FOR_ENDIANNESS
|
|
* \brief Selects right string for big-endian checks.
|
|
*/
|
|
|
|
/*!
|
|
* \brief Tests string encoding conversions.
|
|
*/
|
|
void ConversionTests::testStringEncodingConversions()
|
|
{
|
|
// define test string "ABCD" for the different encodings
|
|
const byte simpleString[] = {'A', 'B', 'C', 'D'};
|
|
const uint16 simpleUtf16LEString[] = {0x0041, 0x0042, 0x0043, 0x0044};
|
|
const uint16 simpleUtf16BEString[] = {0x4100, 0x4200, 0x4300, 0x4400};
|
|
// define test string "ABÖCD" for the different encodings
|
|
const byte latin1String[] = {'A', 'B', 0xD6, 'C', 'D'};
|
|
const byte utf8String[] = {'A', 'B', 0xC3, 0x96, 'C', 'D'};
|
|
const uint16 utf16LEString[] = {0x0041, 0x0042, 0x00D6, 0x0043, 0x0044};
|
|
const uint16 utf16BEString[] = {0x4100, 0x4200, 0xD600, 0x4300, 0x4400};
|
|
// test conversion to UTF-8
|
|
assertEqual("Latin-1 to UTF-8 (simple)", simpleString, 4, convertLatin1ToUtf8(reinterpret_cast<const char *>(simpleString), 4));
|
|
assertEqual("Latin-1 to UTF-8", utf8String, 6, convertLatin1ToUtf8(reinterpret_cast<const char *>(latin1String), 5));
|
|
assertEqual("UTF-16LE to UTF-8 (simple)", simpleString, 4, convertUtf16LEToUtf8(reinterpret_cast<const char *>(LE_STR_FOR_ENDIANNESS(simpleUtf16)), 8));
|
|
assertEqual("UTF-16LE to UTF-8", utf8String, 6, convertUtf16LEToUtf8(reinterpret_cast<const char *>(LE_STR_FOR_ENDIANNESS(utf16)), 10));
|
|
assertEqual("UTF-16BE to UTF-8 (simple)", simpleString, 4, convertUtf16BEToUtf8(reinterpret_cast<const char *>(BE_STR_FOR_ENDIANNESS(simpleUtf16)), 8));
|
|
assertEqual("UTF-16BE to UTF-8", utf8String, 6, convertUtf16BEToUtf8(reinterpret_cast<const char *>(BE_STR_FOR_ENDIANNESS(utf16)), 10));
|
|
// test conversion from UTF-8
|
|
assertEqual("UTF-8 to Latin-1 (simple)", simpleString, 4, convertUtf8ToLatin1(reinterpret_cast<const char *>(simpleString), 4));
|
|
assertEqual("UTF-8 to Latin-1", latin1String, 5, convertUtf8ToLatin1(reinterpret_cast<const char *>(utf8String), 6));
|
|
assertEqual("UTF-8 to UFT-16LE (simple)", reinterpret_cast<const byte *>(LE_STR_FOR_ENDIANNESS(simpleUtf16)), 8, convertUtf8ToUtf16LE(reinterpret_cast<const char *>(simpleString), 4));
|
|
assertEqual("UTF-8 to UFT-16LE", reinterpret_cast<const byte *>(LE_STR_FOR_ENDIANNESS(utf16)), 10, convertUtf8ToUtf16LE(reinterpret_cast<const char *>(utf8String), 6));
|
|
assertEqual("UTF-8 to UFT-16BE (simple)", reinterpret_cast<const byte *>(BE_STR_FOR_ENDIANNESS(simpleUtf16)), 8, convertUtf8ToUtf16BE(reinterpret_cast<const char *>(simpleString), 4));
|
|
assertEqual("UTF-8 to UFT-16BE", reinterpret_cast<const byte *>(BE_STR_FOR_ENDIANNESS(utf16)), 10, convertUtf8ToUtf16BE(reinterpret_cast<const char *>(utf8String), 6));
|
|
}
|
|
|
|
/*!
|
|
* \brief Tests miscellaneous string conversions.
|
|
*/
|
|
void ConversionTests::testStringConversions()
|
|
{
|
|
// stringToNumber() / numberToString() with zero and random numbers
|
|
CPPUNIT_ASSERT_EQUAL(string("0"), numberToString<unsigned int>(0));
|
|
CPPUNIT_ASSERT_EQUAL(string("0"), numberToString<signed int>(0));
|
|
uniform_int_distribution<int64> randomDistSigned(numeric_limits<int64>::min());
|
|
uniform_int_distribution<uint64> randomDistUnsigned(0);
|
|
for(byte b = 1; b < 100; ++b) {
|
|
auto signedRandom = randomDistSigned(m_randomEngine);
|
|
auto unsignedRandom = randomDistUnsigned(m_randomEngine);
|
|
for(const auto base : initializer_list<byte>{2, 8, 10, 16}) {
|
|
auto resultString = stringToNumber<uint64, string>(numberToString<uint64, string>(unsignedRandom, base), base);
|
|
auto resultWideString = stringToNumber<uint64, wstring>(numberToString<uint64, wstring>(unsignedRandom, base), base);
|
|
CPPUNIT_ASSERT_EQUAL(unsignedRandom, resultString);
|
|
CPPUNIT_ASSERT_EQUAL(unsignedRandom, resultWideString);
|
|
}
|
|
for(const auto base : initializer_list<byte>{10}) {
|
|
auto resultString = stringToNumber<int64, string>(numberToString<int64, string>(signedRandom, base), base);
|
|
auto resultWideString = stringToNumber<int64, wstring>(numberToString<int64, wstring>(signedRandom, base), base);
|
|
CPPUNIT_ASSERT_EQUAL(signedRandom, resultString);
|
|
CPPUNIT_ASSERT_EQUAL(signedRandom, resultWideString);
|
|
}
|
|
}
|
|
|
|
// stringToNumber() with leading zeroes and different types
|
|
int32 res = stringToNumber<int32, string>("01");
|
|
CPPUNIT_ASSERT_EQUAL(1, res);
|
|
res = stringToNumber<int32, wstring>(L"01");
|
|
CPPUNIT_ASSERT_EQUAL(1, res);
|
|
res = stringToNumber<int32, u16string>(u"01");
|
|
CPPUNIT_ASSERT_EQUAL(1, res);
|
|
|
|
// interpretIntegerAsString()
|
|
CPPUNIT_ASSERT(interpretIntegerAsString<uint32>(0x54455354) == "TEST");
|
|
|
|
// splitString() / joinStrings()
|
|
string splitJoinTest = joinStrings(splitString<vector<string> >(",a,,ab,ABC,s"s, ","s, EmptyPartsTreat::Keep), " "s, false, "("s, ")"s);
|
|
CPPUNIT_ASSERT_EQUAL("() (a) () (ab) (ABC) (s)"s, splitJoinTest);
|
|
splitJoinTest = joinStrings(splitString<vector<string> >(",a,,ab,ABC,s"s, ","s, EmptyPartsTreat::Keep), " "s, true, "("s, ")"s);
|
|
CPPUNIT_ASSERT_EQUAL("(a) (ab) (ABC) (s)"s, splitJoinTest);
|
|
splitJoinTest = joinStrings(splitString<vector<string> >(",a,,ab,ABC,s"s, ","s, EmptyPartsTreat::Omit), " "s, false, "("s, ")"s);
|
|
CPPUNIT_ASSERT_EQUAL("(a) (ab) (ABC) (s)"s, splitJoinTest);
|
|
splitJoinTest = joinStrings(splitString<vector<string> >(",a,,ab,ABC,s"s, ","s, EmptyPartsTreat::Merge), " "s, false, "("s, ")"s);
|
|
CPPUNIT_ASSERT_EQUAL("(a,ab) (ABC) (s)"s, splitJoinTest);
|
|
|
|
// findAndReplace()
|
|
string findReplaceTest("findAndReplace()");
|
|
findAndReplace<string>(findReplaceTest, "And", "Or");
|
|
CPPUNIT_ASSERT_EQUAL("findOrReplace()"s, findReplaceTest);
|
|
|
|
// startsWith()
|
|
CPPUNIT_ASSERT(!startsWith<string>(findReplaceTest, "findAnd"));
|
|
CPPUNIT_ASSERT(startsWith<string>(findReplaceTest, "findOr"));
|
|
|
|
// containsSubstrings()
|
|
CPPUNIT_ASSERT(containsSubstrings<string>("this string contains foo and bar", {"foo", "bar"}));
|
|
CPPUNIT_ASSERT(!containsSubstrings<string>("this string contains foo and bar", {"bar", "foo"}));
|
|
|
|
// encodeBase64() / decodeBase64() with random data
|
|
uniform_int_distribution<byte> randomDistChar;
|
|
byte originalBase64Data[4047];
|
|
for(byte &c : originalBase64Data) {
|
|
c = randomDistChar(m_randomEngine);
|
|
}
|
|
const auto encodedBase64Data = encodeBase64(originalBase64Data, sizeof(originalBase64Data));
|
|
auto decodedBase64Data = decodeBase64(encodedBase64Data.data(), encodedBase64Data.size());
|
|
CPPUNIT_ASSERT(decodedBase64Data.second == sizeof(originalBase64Data));
|
|
for(unsigned int i = 0; i < sizeof(originalBase64Data); ++i) {
|
|
CPPUNIT_ASSERT(decodedBase64Data.first[i] == originalBase64Data[i]);
|
|
}
|
|
}
|
|
|
|
string functionTakingString(const string &str)
|
|
{
|
|
return str;
|
|
}
|
|
|
|
void ConversionTests::testStringBuilder()
|
|
{
|
|
// conversion of string-tuple to string (the actual string builder)
|
|
const tuple<const char *, string, int, const char *> tuple("string1", "string2", 1234, "string3");
|
|
CPPUNIT_ASSERT_EQUAL(string("string1string21234string3"), tupleToString(tuple));
|
|
CPPUNIT_ASSERT_EQUAL(string("foobarfoo2bar2"), tupleToString(string("foo") % "bar" % string("foo2") % "bar2"));
|
|
CPPUNIT_ASSERT_EQUAL(string("v2.3.0"), argsToString("v2.", 3, '.', 0));
|
|
|
|
// construction of string-tuple and final conversion to string works
|
|
CPPUNIT_ASSERT_EQUAL_MESSAGE("result can be passed to any function taking a std::string"s, "123456789"s, functionTakingString("12" % string("34") % '5' % 67 + "89"));
|
|
constexpr double velocityExample = 27.0;
|
|
CPPUNIT_ASSERT_EQUAL_MESSAGE("real-word example"s, "velocity: 27 km/h (7.5 m/s)"s, functionTakingString("velocity: " % numberToString(velocityExample) % " km/h (" % numberToString(velocityExample / 3.6) + " m/s)"));
|
|
CPPUNIT_ASSERT_EQUAL_MESSAGE("regular + operator still works (no problems with ambiguity)"s, "regular + still works"s, "regular"s + " + still works");
|
|
}
|