C++ Utilities  5.0.1
Useful C++ classes and routines such as argument parser, IO and conversion utilities
conversiontests.cpp
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1 #include "../conversion/binaryconversion.h"
2 #include "../conversion/stringbuilder.h"
3 #include "../conversion/stringconversion.h"
4 #include "../tests/testutils.h"
5 
6 using namespace CppUtilities;
7 
8 #include <cppunit/TestFixture.h>
9 #include <cppunit/extensions/HelperMacros.h>
10 
11 #include <functional>
12 #include <initializer_list>
13 #include <random>
14 #include <sstream>
15 
16 using namespace std;
17 
18 using namespace CPPUNIT_NS;
19 
20 // compile-time checks for binary conversion
21 static_assert(toSynchsafeInt(255) == 383, "toSynchsafeInt()");
22 static_assert(toNormalInt(383) == 255, "toNormalInt()");
23 static_assert(swapOrder(static_cast<std::uint16_t>(0xABCD)) == 0xCDAB, "swapOrder(uint16)");
24 static_assert(swapOrder(static_cast<std::uint32_t>(0xABCDEF12)) == 0x12EFCDAB, "swapOrder(uint32)");
25 static_assert(swapOrder(static_cast<std::uint64_t>(0xABCDEF1234567890)) == 0x9078563412EFCDAB, "swapOrder(uint64)");
26 
30 class ConversionTests : public TestFixture {
31  CPPUNIT_TEST_SUITE(ConversionTests);
32  CPPUNIT_TEST(testConversionException);
33  CPPUNIT_TEST(testEndianness);
34  CPPUNIT_TEST(testBinaryConversions);
35  CPPUNIT_TEST(testSwapOrderFunctions);
36  CPPUNIT_TEST(testStringEncodingConversions);
37  CPPUNIT_TEST(testStringConversions);
38  CPPUNIT_TEST(testStringBuilder);
39  CPPUNIT_TEST_SUITE_END();
40 
41 public:
43 
44  void setUp()
45  {
46  }
47  void tearDown()
48  {
49  }
50 
51  void testConversionException();
52  void testEndianness();
53  void testBinaryConversions();
54  void testSwapOrderFunctions();
55  void testStringEncodingConversions();
56  void testStringConversions();
57  void testStringBuilder();
58 
59 private:
60  template <typename intType>
61  void testConversion(const char *message, function<void(intType, char *)> vice, function<intType(const char *)> verca, intType min, intType max);
62 
63  char m_buff[8];
64  random_device m_randomDevice;
65  mt19937 m_randomEngine;
66 };
67 
69 
71  : m_randomDevice()
72  , m_randomEngine(m_randomDevice())
73 {
74 }
75 
77 {
78  CPPUNIT_ASSERT(!strcmp("unable to convert", ConversionException().what()));
79 }
80 
85 {
86  union {
87  uint32_t integer;
88  char characters[4];
89  } test = { 0x01020304 };
90 #if defined(CONVERSION_UTILITIES_BYTE_ORDER_BIG_ENDIAN)
91  // test whether macro definitions are consistent
92  CPPUNIT_ASSERT(CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN == true);
93  CPPUNIT_ASSERT(CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN == false);
94  // test whether byte order assumption is correct
95  CPPUNIT_ASSERT_MESSAGE("Byte order assumption (big-endian) is wrong", test.characters[0] == 0x01);
96 #elif defined(CONVERSION_UTILITIES_BYTE_ORDER_LITTLE_ENDIAN)
97  // test whether macro definitions are consistent
98  CPPUNIT_ASSERT(CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN == false);
99  CPPUNIT_ASSERT(CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN == true);
100  // test whether byte order assumption is correct
101  CPPUNIT_ASSERT_MESSAGE("Byte order assumption (little-endian) is wrong", test.characters[0] == 0x04);
102 #else
103  CPPUNIT_FAIL("There is not valid byte order assumption");
104 #endif
105 }
106 
107 template <typename intType>
108 void ConversionTests::testConversion(
109  const char *message, function<void(intType, char *)> vice, function<intType(const char *)> versa, intType min, intType max)
110 {
111  const intType random = uniform_int_distribution<intType>(min, max)(m_randomEngine);
112  stringstream msg;
113  msg << message << '(' << hex << '0' << 'x' << random << ')';
114  vice(random, m_buff);
115  CPPUNIT_ASSERT_MESSAGE(msg.str(), versa(m_buff) == random);
116 }
117 
118 #define TEST_TYPE(endianness, function) decltype(endianness::function(m_buff))
119 
120 #define TEST_CONVERSION(function, endianness) \
121  testConversion<TEST_TYPE(endianness, function)>("testing " #function, \
122  static_cast<void (*)(TEST_TYPE(endianness, function), char *)>(&endianness::getBytes), endianness::function, \
123  numeric_limits<TEST_TYPE(endianness, function)>::min(), numeric_limits<TEST_TYPE(endianness, function)>::max())
124 
125 #define TEST_BE_CONVERSION(function) TEST_CONVERSION(function, BE)
126 
127 #define TEST_LE_CONVERSION(function) TEST_CONVERSION(function, LE)
128 
129 #define TEST_CUSTOM_CONVERSION(vice, versa, endianness, min, max) \
130  testConversion<TEST_TYPE(endianness, versa)>( \
131  "testing " #versa, static_cast<void (*)(TEST_TYPE(endianness, versa), char *)>(&endianness::vice), endianness::versa, min, max)
132 
140 {
141  // test to...() / getBytes() with random numbers
142  for (auto b = 1; b < 100; ++b) {
143  TEST_BE_CONVERSION(toUInt16);
144  TEST_BE_CONVERSION(toUInt32);
145  TEST_BE_CONVERSION(toUInt64);
146  TEST_LE_CONVERSION(toUInt16);
147  TEST_LE_CONVERSION(toUInt32);
148  TEST_LE_CONVERSION(toUInt64);
149  TEST_BE_CONVERSION(toInt16);
150  TEST_BE_CONVERSION(toInt32);
151  TEST_BE_CONVERSION(toInt64);
152  TEST_LE_CONVERSION(toInt16);
153  TEST_LE_CONVERSION(toInt32);
154  TEST_LE_CONVERSION(toInt64);
155  TEST_CUSTOM_CONVERSION(getBytes24, toUInt24, BE, 0, 0xFFFFFF);
156  TEST_CUSTOM_CONVERSION(getBytes24, toUInt24, LE, 0, 0xFFFFFF);
157  }
158 }
159 
164 {
165  CPPUNIT_ASSERT(swapOrder(static_cast<std::uint16_t>(0x7825)) == 0x2578);
166  CPPUNIT_ASSERT(swapOrder(static_cast<std::uint32_t>(0x12345678)) == 0x78563412);
167  CPPUNIT_ASSERT(swapOrder(static_cast<std::uint64_t>(0x1122334455667788)) == 0x8877665544332211);
168 }
169 
173 void assertEqual(const char *message, const std::uint8_t *expectedValues, size_t expectedSize, const StringData &actualValues)
174 {
175  // check whether number of elements matches
176  CPPUNIT_ASSERT_EQUAL_MESSAGE(message, expectedSize, actualValues.second);
177  // check whether contents match
178  auto *end = expectedValues + expectedSize;
179  auto *i = reinterpret_cast<std::uint8_t *>(actualValues.first.get());
180  for (; expectedValues != end; ++expectedValues, ++i) {
181  CPPUNIT_ASSERT_EQUAL_MESSAGE(message, asHexNumber(*expectedValues), asHexNumber(*i));
182  }
183 }
184 
185 #if CONVERSION_UTILITIES_IS_BYTE_ORDER_LITTLE_ENDIAN == true
186 #define LE_STR_FOR_ENDIANNESS(name) name##LE##String
187 #define BE_STR_FOR_ENDIANNESS(name) name##BE##String
188 #elif CONVERSION_UTILITIES_IS_BYTE_ORDER_BIG_ENDIAN == true
189 #define LE_STR_FOR_ENDIANNESS(name) name##BE##String
190 #define BE_STR_FOR_ENDIANNESS(name) name##LE##String
191 #endif
192 
207 {
208  // define test string "ABCD" for the different encodings
209  const std::uint8_t simpleString[] = { 'A', 'B', 'C', 'D' };
210  const std::uint16_t simpleUtf16LEString[] = { 0x0041, 0x0042, 0x0043, 0x0044 };
211  const std::uint16_t simpleUtf16BEString[] = { 0x4100, 0x4200, 0x4300, 0x4400 };
212  // define test string "ABĂ–CD" for the different encodings
213  const std::uint8_t latin1String[] = { 'A', 'B', 0xD6, 'C', 'D' };
214  const std::uint8_t utf8String[] = { 'A', 'B', 0xC3, 0x96, 'C', 'D' };
215  const std::uint16_t utf16LEString[] = { 0x0041, 0x0042, 0x00D6, 0x0043, 0x0044 };
216  const std::uint16_t utf16BEString[] = { 0x4100, 0x4200, 0xD600, 0x4300, 0x4400 };
217  // test conversion to UTF-8
218  assertEqual("Latin-1 to UTF-8 (simple)", simpleString, 4, convertLatin1ToUtf8(reinterpret_cast<const char *>(simpleString), 4));
219  assertEqual("Latin-1 to UTF-8", utf8String, 6, convertLatin1ToUtf8(reinterpret_cast<const char *>(latin1String), 5));
220  assertEqual(
221  "UTF-16LE to UTF-8 (simple)", simpleString, 4, convertUtf16LEToUtf8(reinterpret_cast<const char *>(LE_STR_FOR_ENDIANNESS(simpleUtf16)), 8));
222  assertEqual("UTF-16LE to UTF-8", utf8String, 6, convertUtf16LEToUtf8(reinterpret_cast<const char *>(LE_STR_FOR_ENDIANNESS(utf16)), 10));
223  assertEqual(
224  "UTF-16BE to UTF-8 (simple)", simpleString, 4, convertUtf16BEToUtf8(reinterpret_cast<const char *>(BE_STR_FOR_ENDIANNESS(simpleUtf16)), 8));
225  assertEqual("UTF-16BE to UTF-8", utf8String, 6, convertUtf16BEToUtf8(reinterpret_cast<const char *>(BE_STR_FOR_ENDIANNESS(utf16)), 10));
226  // test conversion from UTF-8
227  assertEqual("UTF-8 to Latin-1 (simple)", simpleString, 4, convertUtf8ToLatin1(reinterpret_cast<const char *>(simpleString), 4));
228  assertEqual("UTF-8 to Latin-1", latin1String, 5, convertUtf8ToLatin1(reinterpret_cast<const char *>(utf8String), 6));
229  assertEqual("UTF-8 to UFT-16LE (simple)", reinterpret_cast<const std::uint8_t *>(LE_STR_FOR_ENDIANNESS(simpleUtf16)), 8,
230  convertUtf8ToUtf16LE(reinterpret_cast<const char *>(simpleString), 4));
231  assertEqual("UTF-8 to UFT-16LE", reinterpret_cast<const std::uint8_t *>(LE_STR_FOR_ENDIANNESS(utf16)), 10,
232  convertUtf8ToUtf16LE(reinterpret_cast<const char *>(utf8String), 6));
233  assertEqual("UTF-8 to UFT-16BE (simple)", reinterpret_cast<const std::uint8_t *>(BE_STR_FOR_ENDIANNESS(simpleUtf16)), 8,
234  convertUtf8ToUtf16BE(reinterpret_cast<const char *>(simpleString), 4));
235  assertEqual("UTF-8 to UFT-16BE", reinterpret_cast<const std::uint8_t *>(BE_STR_FOR_ENDIANNESS(utf16)), 10,
236  convertUtf8ToUtf16BE(reinterpret_cast<const char *>(utf8String), 6));
237  CPPUNIT_ASSERT_THROW(convertString("invalid charset", "UTF-8", "foo", 3, 1.0f), ConversionException);
238 }
239 
244 {
245  // stringToNumber() / numberToString() with zero and random numbers
246  CPPUNIT_ASSERT_EQUAL("0"s, numberToString<unsigned int>(0));
247  CPPUNIT_ASSERT_EQUAL("0"s, numberToString<signed int>(0));
248  uniform_int_distribution<std::int64_t> randomDistSigned(numeric_limits<std::int64_t>::min());
249  uniform_int_distribution<std::uint64_t> randomDistUnsigned(0);
250  const string stringMsg("string"), wideStringMsg("wide string"), bufferMsg("buffer");
251  for (std::uint8_t b = 1; b < 100; ++b) {
252  auto signedRandom = randomDistSigned(m_randomEngine);
253  auto unsignedRandom = randomDistUnsigned(m_randomEngine);
254  for (const auto base : initializer_list<std::uint8_t>{ 2, 8, 10, 16 }) {
255  const auto asString = numberToString<std::uint64_t, string>(unsignedRandom, static_cast<string::value_type>(base));
256  const auto asWideString = numberToString<std::uint64_t, wstring>(unsignedRandom, base);
257  CPPUNIT_ASSERT_EQUAL_MESSAGE(stringMsg, unsignedRandom, stringToNumber<std::uint64_t>(asString, static_cast<string::value_type>(base)));
258  CPPUNIT_ASSERT_EQUAL_MESSAGE(wideStringMsg, unsignedRandom, stringToNumber<std::uint64_t>(asWideString, base));
259  CPPUNIT_ASSERT_EQUAL_MESSAGE(bufferMsg, unsignedRandom, bufferToNumber<std::uint64_t>(asString.data(), asString.size(), base));
260  }
261  for (const auto base : initializer_list<std::uint8_t>{ 10 }) {
262  const auto asString = numberToString<std::int64_t, string>(signedRandom, static_cast<string::value_type>(base));
263  const auto asWideString = numberToString<std::int64_t, wstring>(signedRandom, base);
264  CPPUNIT_ASSERT_EQUAL_MESSAGE(stringMsg, signedRandom, stringToNumber<std::int64_t>(asString, static_cast<string::value_type>(base)));
265  CPPUNIT_ASSERT_EQUAL_MESSAGE(wideStringMsg, signedRandom, stringToNumber<std::int64_t>(asWideString, base));
266  CPPUNIT_ASSERT_EQUAL_MESSAGE(bufferMsg, signedRandom, bufferToNumber<std::int64_t>(asString.data(), asString.size(), base));
267  }
268  }
269 
270  // stringToNumber() with spaces at the beginning, leading zeroes, different types and other corner cases
271  CPPUNIT_ASSERT_EQUAL(1, stringToNumber<std::int32_t>("01"));
272  CPPUNIT_ASSERT_EQUAL(1, stringToNumber<std::int32_t>(L"01"s));
273  CPPUNIT_ASSERT_EQUAL(1, stringToNumber<std::int32_t>(u"01"s));
274  CPPUNIT_ASSERT_EQUAL(-23, stringToNumber<std::int32_t>(" - 023"s));
275  CPPUNIT_ASSERT_EQUAL(-23, bufferToNumber<std::int32_t>(" - 023", 6));
276  CPPUNIT_ASSERT_EQUAL(1u, stringToNumber<std::uint32_t>("01"));
277  CPPUNIT_ASSERT_EQUAL(1u, stringToNumber<std::uint32_t>(L"01"s));
278  CPPUNIT_ASSERT_EQUAL(1u, stringToNumber<std::uint32_t>(u"01"s));
279  CPPUNIT_ASSERT_EQUAL(23u, stringToNumber<std::uint32_t>(" 023"s));
280  CPPUNIT_ASSERT_EQUAL(23u, bufferToNumber<std::uint32_t>(" 023", 5));
281  CPPUNIT_ASSERT_EQUAL(255u, stringToNumber<std::uint32_t>("fF", 16));
282  CPPUNIT_ASSERT_THROW(stringToNumber<std::uint32_t>("fF", 15), ConversionException);
283  CPPUNIT_ASSERT_THROW(stringToNumber<std::uint32_t>("(", 15), ConversionException);
284 
285  // interpretIntegerAsString()
286  CPPUNIT_ASSERT_EQUAL("TEST"s, interpretIntegerAsString<std::uint32_t>(0x54455354));
287 
288  // splitString() / joinStrings()
289  vector<string> splitTestExpected({ "1", "2,3" });
290  vector<string> splitTestActual = splitString<vector<string>>("1,2,3"s, ","s, EmptyPartsTreat::Keep, 2);
291  CPPUNIT_ASSERT_EQUAL(splitTestExpected, splitTestActual);
292  splitTestActual = splitStringSimple<vector<string>>("1,2,3"s, ","s, 2);
293  CPPUNIT_ASSERT_EQUAL(splitTestExpected, splitTestActual);
294  splitTestExpected = { "1", "2,3", "4,,5" };
295  splitTestActual = splitString<vector<string>>("1,2,,3,4,,5"s, ","s, EmptyPartsTreat::Merge, 3);
296  CPPUNIT_ASSERT_EQUAL(splitTestExpected, splitTestActual);
297  string splitJoinTest = joinStrings(splitString<vector<string>>(",a,,ab,ABC,s"s, ","s, EmptyPartsTreat::Keep), " "s, false, "("s, ")"s);
298  CPPUNIT_ASSERT_EQUAL("() (a) () (ab) (ABC) (s)"s, splitJoinTest);
299  splitJoinTest = joinStrings(splitString<vector<string>>(",a,,ab,ABC,s"s, ","s, EmptyPartsTreat::Keep), " "s, true, "("s, ")"s);
300  CPPUNIT_ASSERT_EQUAL("(a) (ab) (ABC) (s)"s, splitJoinTest);
301  splitJoinTest = joinStrings(splitStringSimple<vector<string>>(",a,,ab,ABC,s"s, ","s), " "s, true, "("s, ")"s);
302  CPPUNIT_ASSERT_EQUAL("(a) (ab) (ABC) (s)"s, splitJoinTest);
303  splitJoinTest = joinStrings(splitString<vector<string>>(",a,,ab,ABC,s"s, ","s, EmptyPartsTreat::Omit), " "s, false, "("s, ")"s);
304  CPPUNIT_ASSERT_EQUAL("(a) (ab) (ABC) (s)"s, splitJoinTest);
305  splitJoinTest = joinStrings(splitString<vector<string>>(",a,,ab,ABC,s"s, ","s, EmptyPartsTreat::Merge), " "s, false, "("s, ")"s);
306  CPPUNIT_ASSERT_EQUAL("(a,ab) (ABC) (s)"s, splitJoinTest);
307 
308  // findAndReplace()
309  string findReplaceTest("findAndReplace()");
310  findAndReplace<string>(findReplaceTest, "And", "Or");
311  CPPUNIT_ASSERT_EQUAL("findOrReplace()"s, findReplaceTest);
312 
313  // startsWith()
314  CPPUNIT_ASSERT(!startsWith<string>(findReplaceTest, "findAnd"));
315  CPPUNIT_ASSERT(startsWith<string>(findReplaceTest, "findOr"));
316  CPPUNIT_ASSERT(!startsWith<string>(findReplaceTest, "findAnd"s));
317  CPPUNIT_ASSERT(startsWith<string>(findReplaceTest, "findOr"s));
318 
319  // containsSubstrings()
320  CPPUNIT_ASSERT(containsSubstrings<string>("this string contains foo and bar", { "foo", "bar" }));
321  CPPUNIT_ASSERT(!containsSubstrings<string>("this string contains foo and bar", { "bar", "foo" }));
322 
323  // truncateString()
324  string truncateTest("foo bar ");
325  truncateString(truncateTest, ' ');
326  CPPUNIT_ASSERT_EQUAL("foo"s, truncateTest);
327 
328  // encodeBase64() / decodeBase64() with random data
329  uniform_int_distribution<std::uint8_t> randomDistChar;
330  std::uint8_t originalBase64Data[4047];
331  for (std::uint8_t &c : originalBase64Data) {
332  c = randomDistChar(m_randomEngine);
333  }
334  auto encodedBase64Data = encodeBase64(originalBase64Data, sizeof(originalBase64Data));
335  auto decodedBase64Data = decodeBase64(encodedBase64Data.data(), static_cast<std::uint32_t>(encodedBase64Data.size()));
336  CPPUNIT_ASSERT(decodedBase64Data.second == sizeof(originalBase64Data));
337  for (unsigned int i = 0; i < sizeof(originalBase64Data); ++i) {
338  CPPUNIT_ASSERT(decodedBase64Data.first[i] == originalBase64Data[i]);
339  }
340  // test padding
341  encodedBase64Data = encodeBase64(originalBase64Data, sizeof(originalBase64Data) - 1);
342  CPPUNIT_ASSERT_EQUAL('=', encodedBase64Data.at(encodedBase64Data.size() - 1));
343  CPPUNIT_ASSERT_NO_THROW(decodeBase64(encodedBase64Data.data(), static_cast<std::uint32_t>(encodedBase64Data.size())));
344  encodedBase64Data = encodeBase64(originalBase64Data, sizeof(originalBase64Data) - 2);
345  CPPUNIT_ASSERT_EQUAL('=', encodedBase64Data.at(encodedBase64Data.size() - 1));
346  CPPUNIT_ASSERT_EQUAL('=', encodedBase64Data.at(encodedBase64Data.size() - 2));
347  CPPUNIT_ASSERT_NO_THROW(decodeBase64(encodedBase64Data.data(), static_cast<std::uint32_t>(encodedBase64Data.size())));
348  // test check for invalid size
349  CPPUNIT_ASSERT_THROW(decodeBase64(encodedBase64Data.data(), 3), ConversionException);
350 
351  // dataSizeToString(), bitrateToString()
352  CPPUNIT_ASSERT_EQUAL("512 bytes"s, dataSizeToString(512ull));
353  CPPUNIT_ASSERT_EQUAL("2.50 KiB"s, dataSizeToString((2048ull + 512ull)));
354  CPPUNIT_ASSERT_EQUAL("2.50 KiB (2560 byte)"s, dataSizeToString((2048ull + 512ull), true));
355  CPPUNIT_ASSERT_EQUAL("2.50 MiB"s, dataSizeToString((2048ull + 512ull) * 1024ull));
356  CPPUNIT_ASSERT_EQUAL("2.50 GiB"s, dataSizeToString((2048ull + 512ull) * 1024ull * 1024ull));
357  CPPUNIT_ASSERT_EQUAL("2.50 TiB"s, dataSizeToString((2048ull + 512ull) * 1024ull * 1024ull * 1024ull));
358  CPPUNIT_ASSERT_EQUAL("128 bit/s"s, bitrateToString(0.128, false));
359  CPPUNIT_ASSERT_EQUAL("128 kbit/s"s, bitrateToString(128.0, false));
360  CPPUNIT_ASSERT_EQUAL("128 Mbit/s"s, bitrateToString(128.0 * 1e3, false));
361  CPPUNIT_ASSERT_EQUAL("128 Gbit/s"s, bitrateToString(128.0 * 1e6, false));
362  CPPUNIT_ASSERT_EQUAL("16 byte/s"s, bitrateToString(0.128, true));
363  CPPUNIT_ASSERT_EQUAL("16 KiB/s"s, bitrateToString(128.0, true));
364  CPPUNIT_ASSERT_EQUAL("16 MiB/s"s, bitrateToString(128.0 * 1e3, true));
365  CPPUNIT_ASSERT_EQUAL("16 GiB/s"s, bitrateToString(128.0 * 1e6, true));
366 }
367 
368 string functionTakingString(const string &str)
369 {
370  return str;
371 }
372 
374 {
375  // conversion of string-tuple to string (the actual string builder)
376  const tuple<const char *, string, int, const char *> tuple("string1", "string2", 1234, "string3");
377  CPPUNIT_ASSERT_EQUAL(string("string1string21234string3"), tupleToString(tuple));
378  CPPUNIT_ASSERT_EQUAL(string("foobarfoo2bar2"), tupleToString(string("foo") % "bar" % string("foo2") % "bar2"));
379  CPPUNIT_ASSERT_EQUAL(string("v2.3.0"), argsToString("v2.", 3, '.', 0));
380 
381  // construction of string-tuple and final conversion to string works
382  CPPUNIT_ASSERT_EQUAL_MESSAGE(
383  "result can be passed to any function taking a std::string"s, "123456789"s, functionTakingString("12" % string("34") % '5' % 67 + "89"));
384  constexpr double velocityExample = 27.0;
385  CPPUNIT_ASSERT_EQUAL_MESSAGE("real-word example"s, "velocity: 27 km/h (7.5 m/s)"s,
386  functionTakingString("velocity: " % numberToString(velocityExample) % " km/h (" % numberToString(velocityExample / 3.6) + " m/s)"));
387  CPPUNIT_ASSERT_EQUAL_MESSAGE(
388  "regular + operator still works (no problems with ambiguity)"s, "regular + still works"s, "regular"s + " + still works");
389 }
CppUtilities::convertLatin1ToUtf8
CPP_UTILITIES_EXPORT StringData convertLatin1ToUtf8(const char *inputBuffer, std::size_t inputBufferSize)
Converts the specified Latin-1 string to UTF-8.
Definition: stringconversion.cpp:179
CppUtilities::convertUtf16BEToUtf8
CPP_UTILITIES_EXPORT StringData convertUtf16BEToUtf8(const char *inputBuffer, std::size_t inputBufferSize)
Converts the specified UTF-16 (big-endian) string to UTF-8.
Definition: stringconversion.cpp:170
CppUtilities::truncateString
CPP_UTILITIES_EXPORT void truncateString(std::string &str, char terminationChar='\0')
Truncates all characters after the first occurrence of the specified terminationChar and the terminat...
Definition: stringconversion.cpp:233
assertEqual
void assertEqual(const char *message, const std::uint8_t *expectedValues, size_t expectedSize, const StringData &actualValues)
Internally used for string encoding tests to check results.
Definition: conversiontests.cpp:173
ConversionTests
The ConversionTests class tests classes and functions provided by the files inside the conversion dir...
Definition: conversiontests.cpp:30
TEST_LE_CONVERSION
#define TEST_LE_CONVERSION(function)
Definition: conversiontests.cpp:127
ConversionTests::testBinaryConversions
void testBinaryConversions()
Tests most important binary conversions.
Definition: conversiontests.cpp:139
CppUtilities::splitStringSimple
Container splitStringSimple(const typename Container::value_type &string, const typename Container::value_type &delimiter, int maxParts=-1)
Splits the given string (which might also be a string view) at the specified delimiter.
Definition: stringconversion.h:182
ConversionTests::testEndianness
void testEndianness()
Tests whether macros for endianness are correct.
Definition: conversiontests.cpp:84
CPPUNIT_TEST_SUITE_REGISTRATION
CPPUNIT_TEST_SUITE_REGISTRATION(ConversionTests)
ConversionTests::tearDown
void tearDown()
Definition: conversiontests.cpp:47
TEST_CUSTOM_CONVERSION
#define TEST_CUSTOM_CONVERSION(vice, versa, endianness, min, max)
Definition: conversiontests.cpp:129
CppUtilities::convertString
CPP_UTILITIES_EXPORT StringData convertString(const char *fromCharset, const char *toCharset, const char *inputBuffer, std::size_t inputBufferSize, float outputBufferSizeFactor=1.0f)
Converts the specified string from one character set to another.
Definition: stringconversion.cpp:134
ConversionTests::testStringConversions
void testStringConversions()
Tests miscellaneous string conversions.
Definition: conversiontests.cpp:243
CppUtilities::convertUtf8ToUtf16BE
CPP_UTILITIES_EXPORT StringData convertUtf8ToUtf16BE(const char *inputBuffer, std::size_t inputBufferSize)
Converts the specified UTF-8 string to UTF-16 (big-endian).
Definition: stringconversion.cpp:161
ConversionTests::ConversionTests
ConversionTests()
Definition: conversiontests.cpp:70
CppUtilities::bitrateToString
CPP_UTILITIES_EXPORT std::string bitrateToString(double speedInKbitsPerSecond, bool useByteInsteadOfBits=false)
Converts the specified bitrate in kbit/s to its equivalent std::string representation.
Definition: stringconversion.cpp:278
CppUtilities::toNormalInt
constexpr CPP_UTILITIES_EXPORT std::uint32_t toNormalInt(std::uint32_t synchsafeInt)
Returns a normal 32-bit integer converted from a 32-bit synchsafe integer.
Definition: binaryconversion.h:145
CppUtilities::max
constexpr T max(T first, T second)
Returns the greatest of the given items.
Definition: math.h:100
CppUtilities::argsToString
StringType argsToString(Args &&... args)
Definition: stringbuilder.h:147
ConversionTests::testConversionException
void testConversionException()
Definition: conversiontests.cpp:76
CppUtilities::joinStrings
Container::value_type joinStrings(const Container &strings, const typename Container::value_type &delimiter=typename Container::value_type(), bool omitEmpty=false, const typename Container::value_type &leftClosure=typename Container::value_type(), const typename Container::value_type &rightClosure=typename Container::value_type())
Joins the given strings using the specified delimiter.
Definition: stringconversion.h:72
CppUtilities::decodeBase64
CPP_UTILITIES_EXPORT std::pair< std::unique_ptr< std::uint8_t[]>, std::uint32_t > decodeBase64(const char *encodedStr, const std::uint32_t strSize)
Decodes the specified Base64 encoded string.
Definition: stringconversion.cpp:357
functionTakingString
string functionTakingString(const string &str)
Definition: conversiontests.cpp:368
CppUtilities::toSynchsafeInt
constexpr CPP_UTILITIES_EXPORT std::uint32_t toSynchsafeInt(std::uint32_t normalInt)
Returns a 32-bit synchsafe integer converted from a normal 32-bit integer.
Definition: binaryconversion.h:135
CppUtilities
Contains all utilities provides by the c++utilities library.
Definition: argumentparser.h:17
i
constexpr int i
Definition: traitstests.cpp:103
TEST_BE_CONVERSION
#define TEST_BE_CONVERSION(function)
Definition: conversiontests.cpp:125
CppUtilities::asHexNumber
AsHexNumber< T > asHexNumber(const T &value)
Wraps a value to be printed using the hex system in the error case when asserted with cppunit (or sim...
Definition: testutils.h:220
CppUtilities::tupleToString
StringType tupleToString(const std::tuple< Args... > &tuple)
Concatenates all strings hold by the specified tuple.
Definition: stringbuilder.h:139
CppUtilities::convertUtf16LEToUtf8
CPP_UTILITIES_EXPORT StringData convertUtf16LEToUtf8(const char *inputBuffer, std::size_t inputBufferSize)
Converts the specified UTF-16 (little-endian) string to UTF-8.
Definition: stringconversion.cpp:152
CppUtilities::dataSizeToString
CPP_UTILITIES_EXPORT std::string dataSizeToString(std::uint64_t sizeInByte, bool includeByte=false)
Converts the specified data size in byte to its equivalent std::string representation.
Definition: stringconversion.cpp:246
ConversionTests::testSwapOrderFunctions
void testSwapOrderFunctions()
Tests swap order functions.
Definition: conversiontests.cpp:163
CppUtilities::ConversionException
The ConversionException class is thrown by the various conversion functions of this library when a co...
Definition: conversionexception.h:11
CppUtilities::min
constexpr T min(T first, T second)
Returns the smallest of the given items.
Definition: math.h:88
CppUtilities::convertUtf8ToLatin1
CPP_UTILITIES_EXPORT StringData convertUtf8ToLatin1(const char *inputBuffer, std::size_t inputBufferSize)
Converts the specified UTF-8 string to Latin-1.
Definition: stringconversion.cpp:188
CppUtilities::StringData
std::pair< std::unique_ptr< char[], StringDataDeleter >, std::size_t > StringData
Type used to return string encoding conversion result.
Definition: stringconversion.h:38
ConversionTests::setUp
void setUp()
Definition: conversiontests.cpp:44
CppUtilities::swapOrder
constexpr CPP_UTILITIES_EXPORT std::uint16_t swapOrder(std::uint16_t value)
Swaps the byte order of the specified 16-bit unsigned integer.
Definition: binaryconversion.h:154
CppUtilities::splitString
Container splitString(const typename Container::value_type &string, const typename Container::value_type &delimiter, EmptyPartsTreat emptyPartsRole=EmptyPartsTreat::Keep, int maxParts=-1)
Splits the given string at the specified delimiter.
Definition: stringconversion.h:135
LE_STR_FOR_ENDIANNESS
#define LE_STR_FOR_ENDIANNESS(name)
Selects right string for little-endian checks.
ConversionTests::testStringEncodingConversions
void testStringEncodingConversions()
Tests string encoding conversions.
Definition: conversiontests.cpp:206
BE_STR_FOR_ENDIANNESS
#define BE_STR_FOR_ENDIANNESS(name)
Selects right string for big-endian checks.
ConversionTests::testStringBuilder
void testStringBuilder()
Definition: conversiontests.cpp:373
CppUtilities::numberToString
StringType numberToString(IntegralType number, typename StringType::value_type base=10)
Converts the given number to its equivalent string representation using the specified base.
Definition: stringconversion.h:302
CppUtilities::convertUtf8ToUtf16LE
CPP_UTILITIES_EXPORT StringData convertUtf8ToUtf16LE(const char *inputBuffer, std::size_t inputBufferSize)
Converts the specified UTF-8 string to UTF-16 (little-endian).
Definition: stringconversion.cpp:143
CppUtilities::encodeBase64
CPP_UTILITIES_EXPORT std::string encodeBase64(const std::uint8_t *data, std::uint32_t dataSize)
Encodes the specified data to Base64.
Definition: stringconversion.cpp:317