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| 1 // Copyright 2007, Google Inc. | |
| 2 // All rights reserved. | |
| 3 // | |
| 4 // Redistribution and use in source and binary forms, with or without | |
| 5 // modification, are permitted provided that the following conditions are | |
| 6 // met: | |
| 7 // | |
| 8 // * Redistributions of source code must retain the above copyright | |
| 9 // notice, this list of conditions and the following disclaimer. | |
| 10 // * Redistributions in binary form must reproduce the above | |
| 11 // copyright notice, this list of conditions and the following disclaimer | |
| 12 // in the documentation and/or other materials provided with the | |
| 13 // distribution. | |
| 14 // * Neither the name of Google Inc. nor the names of its | |
| 15 // contributors may be used to endorse or promote products derived from | |
| 16 // this software without specific prior written permission. | |
| 17 // | |
| 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 // | |
| 30 // Author: wan@google.com (Zhanyong Wan) | |
| 31 | |
| 32 // Google Test - The Google C++ Testing Framework | |
| 33 // | |
| 34 // This file tests the universal value printer. | |
| 35 | |
| 36 #include "gtest/gtest-printers.h" | |
| 37 | |
| 38 #include <ctype.h> | |
| 39 #include <limits.h> | |
| 40 #include <string.h> | |
| 41 #include <algorithm> | |
| 42 #include <deque> | |
| 43 #include <list> | |
| 44 #include <map> | |
| 45 #include <set> | |
| 46 #include <sstream> | |
| 47 #include <string> | |
| 48 #include <utility> | |
| 49 #include <vector> | |
| 50 | |
| 51 #include "gtest/gtest.h" | |
| 52 | |
| 53 // hash_map and hash_set are available under Visual C++. | |
| 54 #if _MSC_VER | |
| 55 # define GTEST_HAS_HASH_MAP_ 1 // Indicates that hash_map is available. | |
| 56 # include <hash_map> // NOLINT | |
| 57 # define GTEST_HAS_HASH_SET_ 1 // Indicates that hash_set is available. | |
| 58 # include <hash_set> // NOLINT | |
| 59 #endif // GTEST_OS_WINDOWS | |
| 60 | |
| 61 // Some user-defined types for testing the universal value printer. | |
| 62 | |
| 63 // An anonymous enum type. | |
| 64 enum AnonymousEnum { | |
| 65 kAE1 = -1, | |
| 66 kAE2 = 1 | |
| 67 }; | |
| 68 | |
| 69 // An enum without a user-defined printer. | |
| 70 enum EnumWithoutPrinter { | |
| 71 kEWP1 = -2, | |
| 72 kEWP2 = 42 | |
| 73 }; | |
| 74 | |
| 75 // An enum with a << operator. | |
| 76 enum EnumWithStreaming { | |
| 77 kEWS1 = 10 | |
| 78 }; | |
| 79 | |
| 80 std::ostream& operator<<(std::ostream& os, EnumWithStreaming e) { | |
| 81 return os << (e == kEWS1 ? "kEWS1" : "invalid"); | |
| 82 } | |
| 83 | |
| 84 // An enum with a PrintTo() function. | |
| 85 enum EnumWithPrintTo { | |
| 86 kEWPT1 = 1 | |
| 87 }; | |
| 88 | |
| 89 void PrintTo(EnumWithPrintTo e, std::ostream* os) { | |
| 90 *os << (e == kEWPT1 ? "kEWPT1" : "invalid"); | |
| 91 } | |
| 92 | |
| 93 // A class implicitly convertible to BiggestInt. | |
| 94 class BiggestIntConvertible { | |
| 95 public: | |
| 96 operator ::testing::internal::BiggestInt() const { return 42; } | |
| 97 }; | |
| 98 | |
| 99 // A user-defined unprintable class template in the global namespace. | |
| 100 template <typename T> | |
| 101 class UnprintableTemplateInGlobal { | |
| 102 public: | |
| 103 UnprintableTemplateInGlobal() : value_() {} | |
| 104 private: | |
| 105 T value_; | |
| 106 }; | |
| 107 | |
| 108 // A user-defined streamable type in the global namespace. | |
| 109 class StreamableInGlobal { | |
| 110 public: | |
| 111 virtual ~StreamableInGlobal() {} | |
| 112 }; | |
| 113 | |
| 114 inline void operator<<(::std::ostream& os, const StreamableInGlobal& /* x */) { | |
| 115 os << "StreamableInGlobal"; | |
| 116 } | |
| 117 | |
| 118 void operator<<(::std::ostream& os, const StreamableInGlobal* /* x */) { | |
| 119 os << "StreamableInGlobal*"; | |
| 120 } | |
| 121 | |
| 122 namespace foo { | |
| 123 | |
| 124 // A user-defined unprintable type in a user namespace. | |
| 125 class UnprintableInFoo { | |
| 126 public: | |
| 127 UnprintableInFoo() : z_(0) { memcpy(xy_, "\xEF\x12\x0\x0\x34\xAB\x0\x0", 8); } | |
| 128 private: | |
| 129 char xy_[8]; | |
| 130 double z_; | |
| 131 }; | |
| 132 | |
| 133 // A user-defined printable type in a user-chosen namespace. | |
| 134 struct PrintableViaPrintTo { | |
| 135 PrintableViaPrintTo() : value() {} | |
| 136 int value; | |
| 137 }; | |
| 138 | |
| 139 void PrintTo(const PrintableViaPrintTo& x, ::std::ostream* os) { | |
| 140 *os << "PrintableViaPrintTo: " << x.value; | |
| 141 } | |
| 142 | |
| 143 // A type with a user-defined << for printing its pointer. | |
| 144 struct PointerPrintable { | |
| 145 }; | |
| 146 | |
| 147 ::std::ostream& operator<<(::std::ostream& os, | |
| 148 const PointerPrintable* /* x */) { | |
| 149 return os << "PointerPrintable*"; | |
| 150 } | |
| 151 | |
| 152 // A user-defined printable class template in a user-chosen namespace. | |
| 153 template <typename T> | |
| 154 class PrintableViaPrintToTemplate { | |
| 155 public: | |
| 156 explicit PrintableViaPrintToTemplate(const T& a_value) : value_(a_value) {} | |
| 157 | |
| 158 const T& value() const { return value_; } | |
| 159 private: | |
| 160 T value_; | |
| 161 }; | |
| 162 | |
| 163 template <typename T> | |
| 164 void PrintTo(const PrintableViaPrintToTemplate<T>& x, ::std::ostream* os) { | |
| 165 *os << "PrintableViaPrintToTemplate: " << x.value(); | |
| 166 } | |
| 167 | |
| 168 // A user-defined streamable class template in a user namespace. | |
| 169 template <typename T> | |
| 170 class StreamableTemplateInFoo { | |
| 171 public: | |
| 172 StreamableTemplateInFoo() : value_() {} | |
| 173 | |
| 174 const T& value() const { return value_; } | |
| 175 private: | |
| 176 T value_; | |
| 177 }; | |
| 178 | |
| 179 template <typename T> | |
| 180 inline ::std::ostream& operator<<(::std::ostream& os, | |
| 181 const StreamableTemplateInFoo<T>& x) { | |
| 182 return os << "StreamableTemplateInFoo: " << x.value(); | |
| 183 } | |
| 184 | |
| 185 } // namespace foo | |
| 186 | |
| 187 namespace testing { | |
| 188 namespace gtest_printers_test { | |
| 189 | |
| 190 using ::std::deque; | |
| 191 using ::std::list; | |
| 192 using ::std::make_pair; | |
| 193 using ::std::map; | |
| 194 using ::std::multimap; | |
| 195 using ::std::multiset; | |
| 196 using ::std::pair; | |
| 197 using ::std::set; | |
| 198 using ::std::vector; | |
| 199 using ::testing::PrintToString; | |
| 200 using ::testing::internal::NativeArray; | |
| 201 using ::testing::internal::RE; | |
| 202 using ::testing::internal::Strings; | |
| 203 using ::testing::internal::UniversalTersePrint; | |
| 204 using ::testing::internal::UniversalPrint; | |
| 205 using ::testing::internal::UniversalTersePrintTupleFieldsToStrings; | |
| 206 using ::testing::internal::UniversalPrinter; | |
| 207 using ::testing::internal::kReference; | |
| 208 using ::testing::internal::string; | |
| 209 | |
| 210 #if GTEST_HAS_TR1_TUPLE | |
| 211 using ::std::tr1::make_tuple; | |
| 212 using ::std::tr1::tuple; | |
| 213 #endif | |
| 214 | |
| 215 #if _MSC_VER | |
| 216 // MSVC defines the following classes in the ::stdext namespace while | |
| 217 // gcc defines them in the :: namespace. Note that they are not part | |
| 218 // of the C++ standard. | |
| 219 using ::stdext::hash_map; | |
| 220 using ::stdext::hash_set; | |
| 221 using ::stdext::hash_multimap; | |
| 222 using ::stdext::hash_multiset; | |
| 223 #endif | |
| 224 | |
| 225 // Prints a value to a string using the universal value printer. This | |
| 226 // is a helper for testing UniversalPrinter<T>::Print() for various types. | |
| 227 template <typename T> | |
| 228 string Print(const T& value) { | |
| 229 ::std::stringstream ss; | |
| 230 UniversalPrinter<T>::Print(value, &ss); | |
| 231 return ss.str(); | |
| 232 } | |
| 233 | |
| 234 // Prints a value passed by reference to a string, using the universal | |
| 235 // value printer. This is a helper for testing | |
| 236 // UniversalPrinter<T&>::Print() for various types. | |
| 237 template <typename T> | |
| 238 string PrintByRef(const T& value) { | |
| 239 ::std::stringstream ss; | |
| 240 UniversalPrinter<T&>::Print(value, &ss); | |
| 241 return ss.str(); | |
| 242 } | |
| 243 | |
| 244 // Tests printing various enum types. | |
| 245 | |
| 246 TEST(PrintEnumTest, AnonymousEnum) { | |
| 247 EXPECT_EQ("-1", Print(kAE1)); | |
| 248 EXPECT_EQ("1", Print(kAE2)); | |
| 249 } | |
| 250 | |
| 251 TEST(PrintEnumTest, EnumWithoutPrinter) { | |
| 252 EXPECT_EQ("-2", Print(kEWP1)); | |
| 253 EXPECT_EQ("42", Print(kEWP2)); | |
| 254 } | |
| 255 | |
| 256 TEST(PrintEnumTest, EnumWithStreaming) { | |
| 257 EXPECT_EQ("kEWS1", Print(kEWS1)); | |
| 258 EXPECT_EQ("invalid", Print(static_cast<EnumWithStreaming>(0))); | |
| 259 } | |
| 260 | |
| 261 TEST(PrintEnumTest, EnumWithPrintTo) { | |
| 262 EXPECT_EQ("kEWPT1", Print(kEWPT1)); | |
| 263 EXPECT_EQ("invalid", Print(static_cast<EnumWithPrintTo>(0))); | |
| 264 } | |
| 265 | |
| 266 // Tests printing a class implicitly convertible to BiggestInt. | |
| 267 | |
| 268 TEST(PrintClassTest, BiggestIntConvertible) { | |
| 269 EXPECT_EQ("42", Print(BiggestIntConvertible())); | |
| 270 } | |
| 271 | |
| 272 // Tests printing various char types. | |
| 273 | |
| 274 // char. | |
| 275 TEST(PrintCharTest, PlainChar) { | |
| 276 EXPECT_EQ("'\\0'", Print('\0')); | |
| 277 EXPECT_EQ("'\\'' (39, 0x27)", Print('\'')); | |
| 278 EXPECT_EQ("'\"' (34, 0x22)", Print('"')); | |
| 279 EXPECT_EQ("'?' (63, 0x3F)", Print('?')); | |
| 280 EXPECT_EQ("'\\\\' (92, 0x5C)", Print('\\')); | |
| 281 EXPECT_EQ("'\\a' (7)", Print('\a')); | |
| 282 EXPECT_EQ("'\\b' (8)", Print('\b')); | |
| 283 EXPECT_EQ("'\\f' (12, 0xC)", Print('\f')); | |
| 284 EXPECT_EQ("'\\n' (10, 0xA)", Print('\n')); | |
| 285 EXPECT_EQ("'\\r' (13, 0xD)", Print('\r')); | |
| 286 EXPECT_EQ("'\\t' (9)", Print('\t')); | |
| 287 EXPECT_EQ("'\\v' (11, 0xB)", Print('\v')); | |
| 288 EXPECT_EQ("'\\x7F' (127)", Print('\x7F')); | |
| 289 EXPECT_EQ("'\\xFF' (255)", Print('\xFF')); | |
| 290 EXPECT_EQ("' ' (32, 0x20)", Print(' ')); | |
| 291 EXPECT_EQ("'a' (97, 0x61)", Print('a')); | |
| 292 } | |
| 293 | |
| 294 // signed char. | |
| 295 TEST(PrintCharTest, SignedChar) { | |
| 296 EXPECT_EQ("'\\0'", Print(static_cast<signed char>('\0'))); | |
| 297 EXPECT_EQ("'\\xCE' (-50)", | |
| 298 Print(static_cast<signed char>(-50))); | |
| 299 } | |
| 300 | |
| 301 // unsigned char. | |
| 302 TEST(PrintCharTest, UnsignedChar) { | |
| 303 EXPECT_EQ("'\\0'", Print(static_cast<unsigned char>('\0'))); | |
| 304 EXPECT_EQ("'b' (98, 0x62)", | |
| 305 Print(static_cast<unsigned char>('b'))); | |
| 306 } | |
| 307 | |
| 308 // Tests printing other simple, built-in types. | |
| 309 | |
| 310 // bool. | |
| 311 TEST(PrintBuiltInTypeTest, Bool) { | |
| 312 EXPECT_EQ("false", Print(false)); | |
| 313 EXPECT_EQ("true", Print(true)); | |
| 314 } | |
| 315 | |
| 316 // wchar_t. | |
| 317 TEST(PrintBuiltInTypeTest, Wchar_t) { | |
| 318 EXPECT_EQ("L'\\0'", Print(L'\0')); | |
| 319 EXPECT_EQ("L'\\'' (39, 0x27)", Print(L'\'')); | |
| 320 EXPECT_EQ("L'\"' (34, 0x22)", Print(L'"')); | |
| 321 EXPECT_EQ("L'?' (63, 0x3F)", Print(L'?')); | |
| 322 EXPECT_EQ("L'\\\\' (92, 0x5C)", Print(L'\\')); | |
| 323 EXPECT_EQ("L'\\a' (7)", Print(L'\a')); | |
| 324 EXPECT_EQ("L'\\b' (8)", Print(L'\b')); | |
| 325 EXPECT_EQ("L'\\f' (12, 0xC)", Print(L'\f')); | |
| 326 EXPECT_EQ("L'\\n' (10, 0xA)", Print(L'\n')); | |
| 327 EXPECT_EQ("L'\\r' (13, 0xD)", Print(L'\r')); | |
| 328 EXPECT_EQ("L'\\t' (9)", Print(L'\t')); | |
| 329 EXPECT_EQ("L'\\v' (11, 0xB)", Print(L'\v')); | |
| 330 EXPECT_EQ("L'\\x7F' (127)", Print(L'\x7F')); | |
| 331 EXPECT_EQ("L'\\xFF' (255)", Print(L'\xFF')); | |
| 332 EXPECT_EQ("L' ' (32, 0x20)", Print(L' ')); | |
| 333 EXPECT_EQ("L'a' (97, 0x61)", Print(L'a')); | |
| 334 EXPECT_EQ("L'\\x576' (1398)", Print(static_cast<wchar_t>(0x576))); | |
| 335 EXPECT_EQ("L'\\xC74D' (51021)", Print(static_cast<wchar_t>(0xC74D))); | |
| 336 } | |
| 337 | |
| 338 // Test that Int64 provides more storage than wchar_t. | |
| 339 TEST(PrintTypeSizeTest, Wchar_t) { | |
| 340 EXPECT_LT(sizeof(wchar_t), sizeof(testing::internal::Int64)); | |
| 341 } | |
| 342 | |
| 343 // Various integer types. | |
| 344 TEST(PrintBuiltInTypeTest, Integer) { | |
| 345 EXPECT_EQ("'\\xFF' (255)", Print(static_cast<unsigned char>(255))); // uint8 | |
| 346 EXPECT_EQ("'\\x80' (-128)", Print(static_cast<signed char>(-128))); // int8 | |
| 347 EXPECT_EQ("65535", Print(USHRT_MAX)); // uint16 | |
| 348 EXPECT_EQ("-32768", Print(SHRT_MIN)); // int16 | |
| 349 EXPECT_EQ("4294967295", Print(UINT_MAX)); // uint32 | |
| 350 EXPECT_EQ("-2147483648", Print(INT_MIN)); // int32 | |
| 351 EXPECT_EQ("18446744073709551615", | |
| 352 Print(static_cast<testing::internal::UInt64>(-1))); // uint64 | |
| 353 EXPECT_EQ("-9223372036854775808", | |
| 354 Print(static_cast<testing::internal::Int64>(1) << 63)); // int64 | |
| 355 } | |
| 356 | |
| 357 // Size types. | |
| 358 TEST(PrintBuiltInTypeTest, Size_t) { | |
| 359 EXPECT_EQ("1", Print(sizeof('a'))); // size_t. | |
| 360 #if !GTEST_OS_WINDOWS | |
| 361 // Windows has no ssize_t type. | |
| 362 EXPECT_EQ("-2", Print(static_cast<ssize_t>(-2))); // ssize_t. | |
| 363 #endif // !GTEST_OS_WINDOWS | |
| 364 } | |
| 365 | |
| 366 // Floating-points. | |
| 367 TEST(PrintBuiltInTypeTest, FloatingPoints) { | |
| 368 EXPECT_EQ("1.5", Print(1.5f)); // float | |
| 369 EXPECT_EQ("-2.5", Print(-2.5)); // double | |
| 370 } | |
| 371 | |
| 372 // Since ::std::stringstream::operator<<(const void *) formats the pointer | |
| 373 // output differently with different compilers, we have to create the expected | |
| 374 // output first and use it as our expectation. | |
| 375 static string PrintPointer(const void *p) { | |
| 376 ::std::stringstream expected_result_stream; | |
| 377 expected_result_stream << p; | |
| 378 return expected_result_stream.str(); | |
| 379 } | |
| 380 | |
| 381 // Tests printing C strings. | |
| 382 | |
| 383 // const char*. | |
| 384 TEST(PrintCStringTest, Const) { | |
| 385 const char* p = "World"; | |
| 386 EXPECT_EQ(PrintPointer(p) + " pointing to \"World\"", Print(p)); | |
| 387 } | |
| 388 | |
| 389 // char*. | |
| 390 TEST(PrintCStringTest, NonConst) { | |
| 391 char p[] = "Hi"; | |
| 392 EXPECT_EQ(PrintPointer(p) + " pointing to \"Hi\"", | |
| 393 Print(static_cast<char*>(p))); | |
| 394 } | |
| 395 | |
| 396 // NULL C string. | |
| 397 TEST(PrintCStringTest, Null) { | |
| 398 const char* p = NULL; | |
| 399 EXPECT_EQ("NULL", Print(p)); | |
| 400 } | |
| 401 | |
| 402 // Tests that C strings are escaped properly. | |
| 403 TEST(PrintCStringTest, EscapesProperly) { | |
| 404 const char* p = "'\"?\\\a\b\f\n\r\t\v\x7F\xFF a"; | |
| 405 EXPECT_EQ(PrintPointer(p) + " pointing to \"'\\\"?\\\\\\a\\b\\f" | |
| 406 "\\n\\r\\t\\v\\x7F\\xFF a\"", | |
| 407 Print(p)); | |
| 408 } | |
| 409 | |
| 410 | |
| 411 | |
| 412 // MSVC compiler can be configured to define whar_t as a typedef | |
| 413 // of unsigned short. Defining an overload for const wchar_t* in that case | |
| 414 // would cause pointers to unsigned shorts be printed as wide strings, | |
| 415 // possibly accessing more memory than intended and causing invalid | |
| 416 // memory accesses. MSVC defines _NATIVE_WCHAR_T_DEFINED symbol when | |
| 417 // wchar_t is implemented as a native type. | |
| 418 #if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED) | |
| 419 | |
| 420 // const wchar_t*. | |
| 421 TEST(PrintWideCStringTest, Const) { | |
| 422 const wchar_t* p = L"World"; | |
| 423 EXPECT_EQ(PrintPointer(p) + " pointing to L\"World\"", Print(p)); | |
| 424 } | |
| 425 | |
| 426 // wchar_t*. | |
| 427 TEST(PrintWideCStringTest, NonConst) { | |
| 428 wchar_t p[] = L"Hi"; | |
| 429 EXPECT_EQ(PrintPointer(p) + " pointing to L\"Hi\"", | |
| 430 Print(static_cast<wchar_t*>(p))); | |
| 431 } | |
| 432 | |
| 433 // NULL wide C string. | |
| 434 TEST(PrintWideCStringTest, Null) { | |
| 435 const wchar_t* p = NULL; | |
| 436 EXPECT_EQ("NULL", Print(p)); | |
| 437 } | |
| 438 | |
| 439 // Tests that wide C strings are escaped properly. | |
| 440 TEST(PrintWideCStringTest, EscapesProperly) { | |
| 441 const wchar_t s[] = {'\'', '"', '?', '\\', '\a', '\b', '\f', '\n', '\r', | |
| 442 '\t', '\v', 0xD3, 0x576, 0x8D3, 0xC74D, ' ', 'a', '\0'}; | |
| 443 EXPECT_EQ(PrintPointer(s) + " pointing to L\"'\\\"?\\\\\\a\\b\\f" | |
| 444 "\\n\\r\\t\\v\\xD3\\x576\\x8D3\\xC74D a\"", | |
| 445 Print(static_cast<const wchar_t*>(s))); | |
| 446 } | |
| 447 #endif // native wchar_t | |
| 448 | |
| 449 // Tests printing pointers to other char types. | |
| 450 | |
| 451 // signed char*. | |
| 452 TEST(PrintCharPointerTest, SignedChar) { | |
| 453 signed char* p = reinterpret_cast<signed char*>(0x1234); | |
| 454 EXPECT_EQ(PrintPointer(p), Print(p)); | |
| 455 p = NULL; | |
| 456 EXPECT_EQ("NULL", Print(p)); | |
| 457 } | |
| 458 | |
| 459 // const signed char*. | |
| 460 TEST(PrintCharPointerTest, ConstSignedChar) { | |
| 461 signed char* p = reinterpret_cast<signed char*>(0x1234); | |
| 462 EXPECT_EQ(PrintPointer(p), Print(p)); | |
| 463 p = NULL; | |
| 464 EXPECT_EQ("NULL", Print(p)); | |
| 465 } | |
| 466 | |
| 467 // unsigned char*. | |
| 468 TEST(PrintCharPointerTest, UnsignedChar) { | |
| 469 unsigned char* p = reinterpret_cast<unsigned char*>(0x1234); | |
| 470 EXPECT_EQ(PrintPointer(p), Print(p)); | |
| 471 p = NULL; | |
| 472 EXPECT_EQ("NULL", Print(p)); | |
| 473 } | |
| 474 | |
| 475 // const unsigned char*. | |
| 476 TEST(PrintCharPointerTest, ConstUnsignedChar) { | |
| 477 const unsigned char* p = reinterpret_cast<const unsigned char*>(0x1234); | |
| 478 EXPECT_EQ(PrintPointer(p), Print(p)); | |
| 479 p = NULL; | |
| 480 EXPECT_EQ("NULL", Print(p)); | |
| 481 } | |
| 482 | |
| 483 // Tests printing pointers to simple, built-in types. | |
| 484 | |
| 485 // bool*. | |
| 486 TEST(PrintPointerToBuiltInTypeTest, Bool) { | |
| 487 bool* p = reinterpret_cast<bool*>(0xABCD); | |
| 488 EXPECT_EQ(PrintPointer(p), Print(p)); | |
| 489 p = NULL; | |
| 490 EXPECT_EQ("NULL", Print(p)); | |
| 491 } | |
| 492 | |
| 493 // void*. | |
| 494 TEST(PrintPointerToBuiltInTypeTest, Void) { | |
| 495 void* p = reinterpret_cast<void*>(0xABCD); | |
| 496 EXPECT_EQ(PrintPointer(p), Print(p)); | |
| 497 p = NULL; | |
| 498 EXPECT_EQ("NULL", Print(p)); | |
| 499 } | |
| 500 | |
| 501 // const void*. | |
| 502 TEST(PrintPointerToBuiltInTypeTest, ConstVoid) { | |
| 503 const void* p = reinterpret_cast<const void*>(0xABCD); | |
| 504 EXPECT_EQ(PrintPointer(p), Print(p)); | |
| 505 p = NULL; | |
| 506 EXPECT_EQ("NULL", Print(p)); | |
| 507 } | |
| 508 | |
| 509 // Tests printing pointers to pointers. | |
| 510 TEST(PrintPointerToPointerTest, IntPointerPointer) { | |
| 511 int** p = reinterpret_cast<int**>(0xABCD); | |
| 512 EXPECT_EQ(PrintPointer(p), Print(p)); | |
| 513 p = NULL; | |
| 514 EXPECT_EQ("NULL", Print(p)); | |
| 515 } | |
| 516 | |
| 517 // Tests printing (non-member) function pointers. | |
| 518 | |
| 519 void MyFunction(int /* n */) {} | |
| 520 | |
| 521 TEST(PrintPointerTest, NonMemberFunctionPointer) { | |
| 522 // We cannot directly cast &MyFunction to const void* because the | |
| 523 // standard disallows casting between pointers to functions and | |
| 524 // pointers to objects, and some compilers (e.g. GCC 3.4) enforce | |
| 525 // this limitation. | |
| 526 EXPECT_EQ( | |
| 527 PrintPointer(reinterpret_cast<const void*>( | |
| 528 reinterpret_cast<internal::BiggestInt>(&MyFunction))), | |
| 529 Print(&MyFunction)); | |
| 530 int (*p)(bool) = NULL; // NOLINT | |
| 531 EXPECT_EQ("NULL", Print(p)); | |
| 532 } | |
| 533 | |
| 534 // An assertion predicate determining whether a one string is a prefix for | |
| 535 // another. | |
| 536 template <typename StringType> | |
| 537 AssertionResult HasPrefix(const StringType& str, const StringType& prefix) { | |
| 538 if (str.find(prefix, 0) == 0) | |
| 539 return AssertionSuccess(); | |
| 540 | |
| 541 const bool is_wide_string = sizeof(prefix[0]) > 1; | |
| 542 const char* const begin_string_quote = is_wide_string ? "L\"" : "\""; | |
| 543 return AssertionFailure() | |
| 544 << begin_string_quote << prefix << "\" is not a prefix of " | |
| 545 << begin_string_quote << str << "\"\n"; | |
| 546 } | |
| 547 | |
| 548 // Tests printing member variable pointers. Although they are called | |
| 549 // pointers, they don't point to a location in the address space. | |
| 550 // Their representation is implementation-defined. Thus they will be | |
| 551 // printed as raw bytes. | |
| 552 | |
| 553 struct Foo { | |
| 554 public: | |
| 555 virtual ~Foo() {} | |
| 556 int MyMethod(char x) { return x + 1; } | |
| 557 virtual char MyVirtualMethod(int /* n */) { return 'a'; } | |
| 558 | |
| 559 int value; | |
| 560 }; | |
| 561 | |
| 562 TEST(PrintPointerTest, MemberVariablePointer) { | |
| 563 EXPECT_TRUE(HasPrefix(Print(&Foo::value), | |
| 564 Print(sizeof(&Foo::value)) + "-byte object ")); | |
| 565 int (Foo::*p) = NULL; // NOLINT | |
| 566 EXPECT_TRUE(HasPrefix(Print(p), | |
| 567 Print(sizeof(p)) + "-byte object ")); | |
| 568 } | |
| 569 | |
| 570 // Tests printing member function pointers. Although they are called | |
| 571 // pointers, they don't point to a location in the address space. | |
| 572 // Their representation is implementation-defined. Thus they will be | |
| 573 // printed as raw bytes. | |
| 574 TEST(PrintPointerTest, MemberFunctionPointer) { | |
| 575 EXPECT_TRUE(HasPrefix(Print(&Foo::MyMethod), | |
| 576 Print(sizeof(&Foo::MyMethod)) + "-byte object ")); | |
| 577 EXPECT_TRUE( | |
| 578 HasPrefix(Print(&Foo::MyVirtualMethod), | |
| 579 Print(sizeof((&Foo::MyVirtualMethod))) + "-byte object ")); | |
| 580 int (Foo::*p)(char) = NULL; // NOLINT | |
| 581 EXPECT_TRUE(HasPrefix(Print(p), | |
| 582 Print(sizeof(p)) + "-byte object ")); | |
| 583 } | |
| 584 | |
| 585 // Tests printing C arrays. | |
| 586 | |
| 587 // The difference between this and Print() is that it ensures that the | |
| 588 // argument is a reference to an array. | |
| 589 template <typename T, size_t N> | |
| 590 string PrintArrayHelper(T (&a)[N]) { | |
| 591 return Print(a); | |
| 592 } | |
| 593 | |
| 594 // One-dimensional array. | |
| 595 TEST(PrintArrayTest, OneDimensionalArray) { | |
| 596 int a[5] = { 1, 2, 3, 4, 5 }; | |
| 597 EXPECT_EQ("{ 1, 2, 3, 4, 5 }", PrintArrayHelper(a)); | |
| 598 } | |
| 599 | |
| 600 // Two-dimensional array. | |
| 601 TEST(PrintArrayTest, TwoDimensionalArray) { | |
| 602 int a[2][5] = { | |
| 603 { 1, 2, 3, 4, 5 }, | |
| 604 { 6, 7, 8, 9, 0 } | |
| 605 }; | |
| 606 EXPECT_EQ("{ { 1, 2, 3, 4, 5 }, { 6, 7, 8, 9, 0 } }", PrintArrayHelper(a)); | |
| 607 } | |
| 608 | |
| 609 // Array of const elements. | |
| 610 TEST(PrintArrayTest, ConstArray) { | |
| 611 const bool a[1] = { false }; | |
| 612 EXPECT_EQ("{ false }", PrintArrayHelper(a)); | |
| 613 } | |
| 614 | |
| 615 // Char array. | |
| 616 TEST(PrintArrayTest, CharArray) { | |
| 617 // Array a contains '\0' in the middle and doesn't end with '\0'. | |
| 618 char a[3] = { 'H', '\0', 'i' }; | |
| 619 EXPECT_EQ("\"H\\0i\"", PrintArrayHelper(a)); | |
| 620 } | |
| 621 | |
| 622 // Const char array. | |
| 623 TEST(PrintArrayTest, ConstCharArray) { | |
| 624 const char a[4] = "\0Hi"; | |
| 625 EXPECT_EQ("\"\\0Hi\\0\"", PrintArrayHelper(a)); | |
| 626 } | |
| 627 | |
| 628 // Array of objects. | |
| 629 TEST(PrintArrayTest, ObjectArray) { | |
| 630 string a[3] = { "Hi", "Hello", "Ni hao" }; | |
| 631 EXPECT_EQ("{ \"Hi\", \"Hello\", \"Ni hao\" }", PrintArrayHelper(a)); | |
| 632 } | |
| 633 | |
| 634 // Array with many elements. | |
| 635 TEST(PrintArrayTest, BigArray) { | |
| 636 int a[100] = { 1, 2, 3 }; | |
| 637 EXPECT_EQ("{ 1, 2, 3, 0, 0, 0, 0, 0, ..., 0, 0, 0, 0, 0, 0, 0, 0 }", | |
| 638 PrintArrayHelper(a)); | |
| 639 } | |
| 640 | |
| 641 // Tests printing ::string and ::std::string. | |
| 642 | |
| 643 #if GTEST_HAS_GLOBAL_STRING | |
| 644 // ::string. | |
| 645 TEST(PrintStringTest, StringInGlobalNamespace) { | |
| 646 const char s[] = "'\"?\\\a\b\f\n\0\r\t\v\x7F\xFF a"; | |
| 647 const ::string str(s, sizeof(s)); | |
| 648 EXPECT_EQ("\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v\\x7F\\xFF a\\0\"", | |
| 649 Print(str)); | |
| 650 } | |
| 651 #endif // GTEST_HAS_GLOBAL_STRING | |
| 652 | |
| 653 // ::std::string. | |
| 654 TEST(PrintStringTest, StringInStdNamespace) { | |
| 655 const char s[] = "'\"?\\\a\b\f\n\0\r\t\v\x7F\xFF a"; | |
| 656 const ::std::string str(s, sizeof(s)); | |
| 657 EXPECT_EQ("\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v\\x7F\\xFF a\\0\"", | |
| 658 Print(str)); | |
| 659 } | |
| 660 | |
| 661 TEST(PrintStringTest, StringAmbiguousHex) { | |
| 662 // "\x6BANANA" is ambiguous, it can be interpreted as starting with either of: | |
| 663 // '\x6', '\x6B', or '\x6BA'. | |
| 664 | |
| 665 // a hex escaping sequence following by a decimal digit | |
| 666 EXPECT_EQ("\"0\\x12\" \"3\"", Print(::std::string("0\x12" "3"))); | |
| 667 // a hex escaping sequence following by a hex digit (lower-case) | |
| 668 EXPECT_EQ("\"mm\\x6\" \"bananas\"", Print(::std::string("mm\x6" "bananas"))); | |
| 669 // a hex escaping sequence following by a hex digit (upper-case) | |
| 670 EXPECT_EQ("\"NOM\\x6\" \"BANANA\"", Print(::std::string("NOM\x6" "BANANA"))); | |
| 671 // a hex escaping sequence following by a non-xdigit | |
| 672 EXPECT_EQ("\"!\\x5-!\"", Print(::std::string("!\x5-!"))); | |
| 673 } | |
| 674 | |
| 675 // Tests printing ::wstring and ::std::wstring. | |
| 676 | |
| 677 #if GTEST_HAS_GLOBAL_WSTRING | |
| 678 // ::wstring. | |
| 679 TEST(PrintWideStringTest, StringInGlobalNamespace) { | |
| 680 const wchar_t s[] = L"'\"?\\\a\b\f\n\0\r\t\v\xD3\x576\x8D3\xC74D a"; | |
| 681 const ::wstring str(s, sizeof(s)/sizeof(wchar_t)); | |
| 682 EXPECT_EQ("L\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v" | |
| 683 "\\xD3\\x576\\x8D3\\xC74D a\\0\"", | |
| 684 Print(str)); | |
| 685 } | |
| 686 #endif // GTEST_HAS_GLOBAL_WSTRING | |
| 687 | |
| 688 #if GTEST_HAS_STD_WSTRING | |
| 689 // ::std::wstring. | |
| 690 TEST(PrintWideStringTest, StringInStdNamespace) { | |
| 691 const wchar_t s[] = L"'\"?\\\a\b\f\n\0\r\t\v\xD3\x576\x8D3\xC74D a"; | |
| 692 const ::std::wstring str(s, sizeof(s)/sizeof(wchar_t)); | |
| 693 EXPECT_EQ("L\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v" | |
| 694 "\\xD3\\x576\\x8D3\\xC74D a\\0\"", | |
| 695 Print(str)); | |
| 696 } | |
| 697 | |
| 698 TEST(PrintWideStringTest, StringAmbiguousHex) { | |
| 699 // same for wide strings. | |
| 700 EXPECT_EQ("L\"0\\x12\" L\"3\"", Print(::std::wstring(L"0\x12" L"3"))); | |
| 701 EXPECT_EQ("L\"mm\\x6\" L\"bananas\"", | |
| 702 Print(::std::wstring(L"mm\x6" L"bananas"))); | |
| 703 EXPECT_EQ("L\"NOM\\x6\" L\"BANANA\"", | |
| 704 Print(::std::wstring(L"NOM\x6" L"BANANA"))); | |
| 705 EXPECT_EQ("L\"!\\x5-!\"", Print(::std::wstring(L"!\x5-!"))); | |
| 706 } | |
| 707 #endif // GTEST_HAS_STD_WSTRING | |
| 708 | |
| 709 // Tests printing types that support generic streaming (i.e. streaming | |
| 710 // to std::basic_ostream<Char, CharTraits> for any valid Char and | |
| 711 // CharTraits types). | |
| 712 | |
| 713 // Tests printing a non-template type that supports generic streaming. | |
| 714 | |
| 715 class AllowsGenericStreaming {}; | |
| 716 | |
| 717 template <typename Char, typename CharTraits> | |
| 718 std::basic_ostream<Char, CharTraits>& operator<<( | |
| 719 std::basic_ostream<Char, CharTraits>& os, | |
| 720 const AllowsGenericStreaming& /* a */) { | |
| 721 return os << "AllowsGenericStreaming"; | |
| 722 } | |
| 723 | |
| 724 TEST(PrintTypeWithGenericStreamingTest, NonTemplateType) { | |
| 725 AllowsGenericStreaming a; | |
| 726 EXPECT_EQ("AllowsGenericStreaming", Print(a)); | |
| 727 } | |
| 728 | |
| 729 // Tests printing a template type that supports generic streaming. | |
| 730 | |
| 731 template <typename T> | |
| 732 class AllowsGenericStreamingTemplate {}; | |
| 733 | |
| 734 template <typename Char, typename CharTraits, typename T> | |
| 735 std::basic_ostream<Char, CharTraits>& operator<<( | |
| 736 std::basic_ostream<Char, CharTraits>& os, | |
| 737 const AllowsGenericStreamingTemplate<T>& /* a */) { | |
| 738 return os << "AllowsGenericStreamingTemplate"; | |
| 739 } | |
| 740 | |
| 741 TEST(PrintTypeWithGenericStreamingTest, TemplateType) { | |
| 742 AllowsGenericStreamingTemplate<int> a; | |
| 743 EXPECT_EQ("AllowsGenericStreamingTemplate", Print(a)); | |
| 744 } | |
| 745 | |
| 746 // Tests printing a type that supports generic streaming and can be | |
| 747 // implicitly converted to another printable type. | |
| 748 | |
| 749 template <typename T> | |
| 750 class AllowsGenericStreamingAndImplicitConversionTemplate { | |
| 751 public: | |
| 752 operator bool() const { return false; } | |
| 753 }; | |
| 754 | |
| 755 template <typename Char, typename CharTraits, typename T> | |
| 756 std::basic_ostream<Char, CharTraits>& operator<<( | |
| 757 std::basic_ostream<Char, CharTraits>& os, | |
| 758 const AllowsGenericStreamingAndImplicitConversionTemplate<T>& /* a */) { | |
| 759 return os << "AllowsGenericStreamingAndImplicitConversionTemplate"; | |
| 760 } | |
| 761 | |
| 762 TEST(PrintTypeWithGenericStreamingTest, TypeImplicitlyConvertible) { | |
| 763 AllowsGenericStreamingAndImplicitConversionTemplate<int> a; | |
| 764 EXPECT_EQ("AllowsGenericStreamingAndImplicitConversionTemplate", Print(a)); | |
| 765 } | |
| 766 | |
| 767 #if GTEST_HAS_STRING_PIECE_ | |
| 768 | |
| 769 // Tests printing StringPiece. | |
| 770 | |
| 771 TEST(PrintStringPieceTest, SimpleStringPiece) { | |
| 772 const StringPiece sp = "Hello"; | |
| 773 EXPECT_EQ("\"Hello\"", Print(sp)); | |
| 774 } | |
| 775 | |
| 776 TEST(PrintStringPieceTest, UnprintableCharacters) { | |
| 777 const char str[] = "NUL (\0) and \r\t"; | |
| 778 const StringPiece sp(str, sizeof(str) - 1); | |
| 779 EXPECT_EQ("\"NUL (\\0) and \\r\\t\"", Print(sp)); | |
| 780 } | |
| 781 | |
| 782 #endif // GTEST_HAS_STRING_PIECE_ | |
| 783 | |
| 784 // Tests printing STL containers. | |
| 785 | |
| 786 TEST(PrintStlContainerTest, EmptyDeque) { | |
| 787 deque<char> empty; | |
| 788 EXPECT_EQ("{}", Print(empty)); | |
| 789 } | |
| 790 | |
| 791 TEST(PrintStlContainerTest, NonEmptyDeque) { | |
| 792 deque<int> non_empty; | |
| 793 non_empty.push_back(1); | |
| 794 non_empty.push_back(3); | |
| 795 EXPECT_EQ("{ 1, 3 }", Print(non_empty)); | |
| 796 } | |
| 797 | |
| 798 #if GTEST_HAS_HASH_MAP_ | |
| 799 | |
| 800 TEST(PrintStlContainerTest, OneElementHashMap) { | |
| 801 hash_map<int, char> map1; | |
| 802 map1[1] = 'a'; | |
| 803 EXPECT_EQ("{ (1, 'a' (97, 0x61)) }", Print(map1)); | |
| 804 } | |
| 805 | |
| 806 TEST(PrintStlContainerTest, HashMultiMap) { | |
| 807 hash_multimap<int, bool> map1; | |
| 808 map1.insert(make_pair(5, true)); | |
| 809 map1.insert(make_pair(5, false)); | |
| 810 | |
| 811 // Elements of hash_multimap can be printed in any order. | |
| 812 const string result = Print(map1); | |
| 813 EXPECT_TRUE(result == "{ (5, true), (5, false) }" || | |
| 814 result == "{ (5, false), (5, true) }") | |
| 815 << " where Print(map1) returns \"" << result << "\"."; | |
| 816 } | |
| 817 | |
| 818 #endif // GTEST_HAS_HASH_MAP_ | |
| 819 | |
| 820 #if GTEST_HAS_HASH_SET_ | |
| 821 | |
| 822 TEST(PrintStlContainerTest, HashSet) { | |
| 823 hash_set<string> set1; | |
| 824 set1.insert("hello"); | |
| 825 EXPECT_EQ("{ \"hello\" }", Print(set1)); | |
| 826 } | |
| 827 | |
| 828 TEST(PrintStlContainerTest, HashMultiSet) { | |
| 829 const int kSize = 5; | |
| 830 int a[kSize] = { 1, 1, 2, 5, 1 }; | |
| 831 hash_multiset<int> set1(a, a + kSize); | |
| 832 | |
| 833 // Elements of hash_multiset can be printed in any order. | |
| 834 const string result = Print(set1); | |
| 835 const string expected_pattern = "{ d, d, d, d, d }"; // d means a digit. | |
| 836 | |
| 837 // Verifies the result matches the expected pattern; also extracts | |
| 838 // the numbers in the result. | |
| 839 ASSERT_EQ(expected_pattern.length(), result.length()); | |
| 840 std::vector<int> numbers; | |
| 841 for (size_t i = 0; i != result.length(); i++) { | |
| 842 if (expected_pattern[i] == 'd') { | |
| 843 ASSERT_TRUE(isdigit(static_cast<unsigned char>(result[i])) != 0); | |
| 844 numbers.push_back(result[i] - '0'); | |
| 845 } else { | |
| 846 EXPECT_EQ(expected_pattern[i], result[i]) << " where result is " | |
| 847 << result; | |
| 848 } | |
| 849 } | |
| 850 | |
| 851 // Makes sure the result contains the right numbers. | |
| 852 std::sort(numbers.begin(), numbers.end()); | |
| 853 std::sort(a, a + kSize); | |
| 854 EXPECT_TRUE(std::equal(a, a + kSize, numbers.begin())); | |
| 855 } | |
| 856 | |
| 857 #endif // GTEST_HAS_HASH_SET_ | |
| 858 | |
| 859 TEST(PrintStlContainerTest, List) { | |
| 860 const string a[] = { | |
| 861 "hello", | |
| 862 "world" | |
| 863 }; | |
| 864 const list<string> strings(a, a + 2); | |
| 865 EXPECT_EQ("{ \"hello\", \"world\" }", Print(strings)); | |
| 866 } | |
| 867 | |
| 868 TEST(PrintStlContainerTest, Map) { | |
| 869 map<int, bool> map1; | |
| 870 map1[1] = true; | |
| 871 map1[5] = false; | |
| 872 map1[3] = true; | |
| 873 EXPECT_EQ("{ (1, true), (3, true), (5, false) }", Print(map1)); | |
| 874 } | |
| 875 | |
| 876 TEST(PrintStlContainerTest, MultiMap) { | |
| 877 multimap<bool, int> map1; | |
| 878 // The make_pair template function would deduce the type as | |
| 879 // pair<bool, int> here, and since the key part in a multimap has to | |
| 880 // be constant, without a templated ctor in the pair class (as in | |
| 881 // libCstd on Solaris), make_pair call would fail to compile as no | |
| 882 // implicit conversion is found. Thus explicit typename is used | |
| 883 // here instead. | |
| 884 map1.insert(pair<const bool, int>(true, 0)); | |
| 885 map1.insert(pair<const bool, int>(true, 1)); | |
| 886 map1.insert(pair<const bool, int>(false, 2)); | |
| 887 EXPECT_EQ("{ (false, 2), (true, 0), (true, 1) }", Print(map1)); | |
| 888 } | |
| 889 | |
| 890 TEST(PrintStlContainerTest, Set) { | |
| 891 const unsigned int a[] = { 3, 0, 5 }; | |
| 892 set<unsigned int> set1(a, a + 3); | |
| 893 EXPECT_EQ("{ 0, 3, 5 }", Print(set1)); | |
| 894 } | |
| 895 | |
| 896 TEST(PrintStlContainerTest, MultiSet) { | |
| 897 const int a[] = { 1, 1, 2, 5, 1 }; | |
| 898 multiset<int> set1(a, a + 5); | |
| 899 EXPECT_EQ("{ 1, 1, 1, 2, 5 }", Print(set1)); | |
| 900 } | |
| 901 | |
| 902 TEST(PrintStlContainerTest, Pair) { | |
| 903 pair<const bool, int> p(true, 5); | |
| 904 EXPECT_EQ("(true, 5)", Print(p)); | |
| 905 } | |
| 906 | |
| 907 TEST(PrintStlContainerTest, Vector) { | |
| 908 vector<int> v; | |
| 909 v.push_back(1); | |
| 910 v.push_back(2); | |
| 911 EXPECT_EQ("{ 1, 2 }", Print(v)); | |
| 912 } | |
| 913 | |
| 914 TEST(PrintStlContainerTest, LongSequence) { | |
| 915 const int a[100] = { 1, 2, 3 }; | |
| 916 const vector<int> v(a, a + 100); | |
| 917 EXPECT_EQ("{ 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, " | |
| 918 "0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ... }", Print(v)); | |
| 919 } | |
| 920 | |
| 921 TEST(PrintStlContainerTest, NestedContainer) { | |
| 922 const int a1[] = { 1, 2 }; | |
| 923 const int a2[] = { 3, 4, 5 }; | |
| 924 const list<int> l1(a1, a1 + 2); | |
| 925 const list<int> l2(a2, a2 + 3); | |
| 926 | |
| 927 vector<list<int> > v; | |
| 928 v.push_back(l1); | |
| 929 v.push_back(l2); | |
| 930 EXPECT_EQ("{ { 1, 2 }, { 3, 4, 5 } }", Print(v)); | |
| 931 } | |
| 932 | |
| 933 TEST(PrintStlContainerTest, OneDimensionalNativeArray) { | |
| 934 const int a[3] = { 1, 2, 3 }; | |
| 935 NativeArray<int> b(a, 3, kReference); | |
| 936 EXPECT_EQ("{ 1, 2, 3 }", Print(b)); | |
| 937 } | |
| 938 | |
| 939 TEST(PrintStlContainerTest, TwoDimensionalNativeArray) { | |
| 940 const int a[2][3] = { { 1, 2, 3 }, { 4, 5, 6 } }; | |
| 941 NativeArray<int[3]> b(a, 2, kReference); | |
| 942 EXPECT_EQ("{ { 1, 2, 3 }, { 4, 5, 6 } }", Print(b)); | |
| 943 } | |
| 944 | |
| 945 // Tests that a class named iterator isn't treated as a container. | |
| 946 | |
| 947 struct iterator { | |
| 948 char x; | |
| 949 }; | |
| 950 | |
| 951 TEST(PrintStlContainerTest, Iterator) { | |
| 952 iterator it = {}; | |
| 953 EXPECT_EQ("1-byte object <00>", Print(it)); | |
| 954 } | |
| 955 | |
| 956 // Tests that a class named const_iterator isn't treated as a container. | |
| 957 | |
| 958 struct const_iterator { | |
| 959 char x; | |
| 960 }; | |
| 961 | |
| 962 TEST(PrintStlContainerTest, ConstIterator) { | |
| 963 const_iterator it = {}; | |
| 964 EXPECT_EQ("1-byte object <00>", Print(it)); | |
| 965 } | |
| 966 | |
| 967 #if GTEST_HAS_TR1_TUPLE | |
| 968 // Tests printing tuples. | |
| 969 | |
| 970 // Tuples of various arities. | |
| 971 TEST(PrintTupleTest, VariousSizes) { | |
| 972 tuple<> t0; | |
| 973 EXPECT_EQ("()", Print(t0)); | |
| 974 | |
| 975 tuple<int> t1(5); | |
| 976 EXPECT_EQ("(5)", Print(t1)); | |
| 977 | |
| 978 tuple<char, bool> t2('a', true); | |
| 979 EXPECT_EQ("('a' (97, 0x61), true)", Print(t2)); | |
| 980 | |
| 981 tuple<bool, int, int> t3(false, 2, 3); | |
| 982 EXPECT_EQ("(false, 2, 3)", Print(t3)); | |
| 983 | |
| 984 tuple<bool, int, int, int> t4(false, 2, 3, 4); | |
| 985 EXPECT_EQ("(false, 2, 3, 4)", Print(t4)); | |
| 986 | |
| 987 tuple<bool, int, int, int, bool> t5(false, 2, 3, 4, true); | |
| 988 EXPECT_EQ("(false, 2, 3, 4, true)", Print(t5)); | |
| 989 | |
| 990 tuple<bool, int, int, int, bool, int> t6(false, 2, 3, 4, true, 6); | |
| 991 EXPECT_EQ("(false, 2, 3, 4, true, 6)", Print(t6)); | |
| 992 | |
| 993 tuple<bool, int, int, int, bool, int, int> t7(false, 2, 3, 4, true, 6, 7); | |
| 994 EXPECT_EQ("(false, 2, 3, 4, true, 6, 7)", Print(t7)); | |
| 995 | |
| 996 tuple<bool, int, int, int, bool, int, int, bool> t8( | |
| 997 false, 2, 3, 4, true, 6, 7, true); | |
| 998 EXPECT_EQ("(false, 2, 3, 4, true, 6, 7, true)", Print(t8)); | |
| 999 | |
| 1000 tuple<bool, int, int, int, bool, int, int, bool, int> t9( | |
| 1001 false, 2, 3, 4, true, 6, 7, true, 9); | |
| 1002 EXPECT_EQ("(false, 2, 3, 4, true, 6, 7, true, 9)", Print(t9)); | |
| 1003 | |
| 1004 const char* const str = "8"; | |
| 1005 tuple<bool, char, short, testing::internal::Int32, // NOLINT | |
| 1006 testing::internal::Int64, float, double, const char*, void*, string> | |
| 1007 t10(false, 'a', 3, 4, 5, 1.5F, -2.5, str, NULL, "10"); | |
| 1008 EXPECT_EQ("(false, 'a' (97, 0x61), 3, 4, 5, 1.5, -2.5, " + PrintPointer(str) + | |
| 1009 " pointing to \"8\", NULL, \"10\")", | |
| 1010 Print(t10)); | |
| 1011 } | |
| 1012 | |
| 1013 // Nested tuples. | |
| 1014 TEST(PrintTupleTest, NestedTuple) { | |
| 1015 tuple<tuple<int, bool>, char> nested(make_tuple(5, true), 'a'); | |
| 1016 EXPECT_EQ("((5, true), 'a' (97, 0x61))", Print(nested)); | |
| 1017 } | |
| 1018 | |
| 1019 #endif // GTEST_HAS_TR1_TUPLE | |
| 1020 | |
| 1021 // Tests printing user-defined unprintable types. | |
| 1022 | |
| 1023 // Unprintable types in the global namespace. | |
| 1024 TEST(PrintUnprintableTypeTest, InGlobalNamespace) { | |
| 1025 EXPECT_EQ("1-byte object <00>", | |
| 1026 Print(UnprintableTemplateInGlobal<char>())); | |
| 1027 } | |
| 1028 | |
| 1029 // Unprintable types in a user namespace. | |
| 1030 TEST(PrintUnprintableTypeTest, InUserNamespace) { | |
| 1031 EXPECT_EQ("16-byte object <EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>", | |
| 1032 Print(::foo::UnprintableInFoo())); | |
| 1033 } | |
| 1034 | |
| 1035 // Unprintable types are that too big to be printed completely. | |
| 1036 | |
| 1037 struct Big { | |
| 1038 Big() { memset(array, 0, sizeof(array)); } | |
| 1039 char array[257]; | |
| 1040 }; | |
| 1041 | |
| 1042 TEST(PrintUnpritableTypeTest, BigObject) { | |
| 1043 EXPECT_EQ("257-byte object <00-00 00-00 00-00 00-00 00-00 00-00 " | |
| 1044 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 " | |
| 1045 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 " | |
| 1046 "00-00 00-00 00-00 00-00 00-00 00-00 ... 00-00 00-00 00-00 " | |
| 1047 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 " | |
| 1048 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 " | |
| 1049 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00>", | |
| 1050 Print(Big())); | |
| 1051 } | |
| 1052 | |
| 1053 // Tests printing user-defined streamable types. | |
| 1054 | |
| 1055 // Streamable types in the global namespace. | |
| 1056 TEST(PrintStreamableTypeTest, InGlobalNamespace) { | |
| 1057 StreamableInGlobal x; | |
| 1058 EXPECT_EQ("StreamableInGlobal", Print(x)); | |
| 1059 EXPECT_EQ("StreamableInGlobal*", Print(&x)); | |
| 1060 } | |
| 1061 | |
| 1062 // Printable template types in a user namespace. | |
| 1063 TEST(PrintStreamableTypeTest, TemplateTypeInUserNamespace) { | |
| 1064 EXPECT_EQ("StreamableTemplateInFoo: 0", | |
| 1065 Print(::foo::StreamableTemplateInFoo<int>())); | |
| 1066 } | |
| 1067 | |
| 1068 // Tests printing user-defined types that have a PrintTo() function. | |
| 1069 TEST(PrintPrintableTypeTest, InUserNamespace) { | |
| 1070 EXPECT_EQ("PrintableViaPrintTo: 0", | |
| 1071 Print(::foo::PrintableViaPrintTo())); | |
| 1072 } | |
| 1073 | |
| 1074 // Tests printing a pointer to a user-defined type that has a << | |
| 1075 // operator for its pointer. | |
| 1076 TEST(PrintPrintableTypeTest, PointerInUserNamespace) { | |
| 1077 ::foo::PointerPrintable x; | |
| 1078 EXPECT_EQ("PointerPrintable*", Print(&x)); | |
| 1079 } | |
| 1080 | |
| 1081 // Tests printing user-defined class template that have a PrintTo() function. | |
| 1082 TEST(PrintPrintableTypeTest, TemplateInUserNamespace) { | |
| 1083 EXPECT_EQ("PrintableViaPrintToTemplate: 5", | |
| 1084 Print(::foo::PrintableViaPrintToTemplate<int>(5))); | |
| 1085 } | |
| 1086 | |
| 1087 #if GTEST_HAS_PROTOBUF_ | |
| 1088 | |
| 1089 // Tests printing a protocol message. | |
| 1090 TEST(PrintProtocolMessageTest, PrintsShortDebugString) { | |
| 1091 testing::internal::TestMessage msg; | |
| 1092 msg.set_member("yes"); | |
| 1093 EXPECT_EQ("<member:\"yes\">", Print(msg)); | |
| 1094 } | |
| 1095 | |
| 1096 // Tests printing a short proto2 message. | |
| 1097 TEST(PrintProto2MessageTest, PrintsShortDebugStringWhenItIsShort) { | |
| 1098 testing::internal::FooMessage msg; | |
| 1099 msg.set_int_field(2); | |
| 1100 msg.set_string_field("hello"); | |
| 1101 EXPECT_PRED2(RE::FullMatch, Print(msg), | |
| 1102 "<int_field:\\s*2\\s+string_field:\\s*\"hello\">"); | |
| 1103 } | |
| 1104 | |
| 1105 // Tests printing a long proto2 message. | |
| 1106 TEST(PrintProto2MessageTest, PrintsDebugStringWhenItIsLong) { | |
| 1107 testing::internal::FooMessage msg; | |
| 1108 msg.set_int_field(2); | |
| 1109 msg.set_string_field("hello"); | |
| 1110 msg.add_names("peter"); | |
| 1111 msg.add_names("paul"); | |
| 1112 msg.add_names("mary"); | |
| 1113 EXPECT_PRED2(RE::FullMatch, Print(msg), | |
| 1114 "<\n" | |
| 1115 "int_field:\\s*2\n" | |
| 1116 "string_field:\\s*\"hello\"\n" | |
| 1117 "names:\\s*\"peter\"\n" | |
| 1118 "names:\\s*\"paul\"\n" | |
| 1119 "names:\\s*\"mary\"\n" | |
| 1120 ">"); | |
| 1121 } | |
| 1122 | |
| 1123 #endif // GTEST_HAS_PROTOBUF_ | |
| 1124 | |
| 1125 // Tests that the universal printer prints both the address and the | |
| 1126 // value of a reference. | |
| 1127 TEST(PrintReferenceTest, PrintsAddressAndValue) { | |
| 1128 int n = 5; | |
| 1129 EXPECT_EQ("@" + PrintPointer(&n) + " 5", PrintByRef(n)); | |
| 1130 | |
| 1131 int a[2][3] = { | |
| 1132 { 0, 1, 2 }, | |
| 1133 { 3, 4, 5 } | |
| 1134 }; | |
| 1135 EXPECT_EQ("@" + PrintPointer(a) + " { { 0, 1, 2 }, { 3, 4, 5 } }", | |
| 1136 PrintByRef(a)); | |
| 1137 | |
| 1138 const ::foo::UnprintableInFoo x; | |
| 1139 EXPECT_EQ("@" + PrintPointer(&x) + " 16-byte object " | |
| 1140 "<EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>", | |
| 1141 PrintByRef(x)); | |
| 1142 } | |
| 1143 | |
| 1144 // Tests that the universal printer prints a function pointer passed by | |
| 1145 // reference. | |
| 1146 TEST(PrintReferenceTest, HandlesFunctionPointer) { | |
| 1147 void (*fp)(int n) = &MyFunction; | |
| 1148 const string fp_pointer_string = | |
| 1149 PrintPointer(reinterpret_cast<const void*>(&fp)); | |
| 1150 // We cannot directly cast &MyFunction to const void* because the | |
| 1151 // standard disallows casting between pointers to functions and | |
| 1152 // pointers to objects, and some compilers (e.g. GCC 3.4) enforce | |
| 1153 // this limitation. | |
| 1154 const string fp_string = PrintPointer(reinterpret_cast<const void*>( | |
| 1155 reinterpret_cast<internal::BiggestInt>(fp))); | |
| 1156 EXPECT_EQ("@" + fp_pointer_string + " " + fp_string, | |
| 1157 PrintByRef(fp)); | |
| 1158 } | |
| 1159 | |
| 1160 // Tests that the universal printer prints a member function pointer | |
| 1161 // passed by reference. | |
| 1162 TEST(PrintReferenceTest, HandlesMemberFunctionPointer) { | |
| 1163 int (Foo::*p)(char ch) = &Foo::MyMethod; | |
| 1164 EXPECT_TRUE(HasPrefix( | |
| 1165 PrintByRef(p), | |
| 1166 "@" + PrintPointer(reinterpret_cast<const void*>(&p)) + " " + | |
| 1167 Print(sizeof(p)) + "-byte object ")); | |
| 1168 | |
| 1169 char (Foo::*p2)(int n) = &Foo::MyVirtualMethod; | |
| 1170 EXPECT_TRUE(HasPrefix( | |
| 1171 PrintByRef(p2), | |
| 1172 "@" + PrintPointer(reinterpret_cast<const void*>(&p2)) + " " + | |
| 1173 Print(sizeof(p2)) + "-byte object ")); | |
| 1174 } | |
| 1175 | |
| 1176 // Tests that the universal printer prints a member variable pointer | |
| 1177 // passed by reference. | |
| 1178 TEST(PrintReferenceTest, HandlesMemberVariablePointer) { | |
| 1179 int (Foo::*p) = &Foo::value; // NOLINT | |
| 1180 EXPECT_TRUE(HasPrefix( | |
| 1181 PrintByRef(p), | |
| 1182 "@" + PrintPointer(&p) + " " + Print(sizeof(p)) + "-byte object ")); | |
| 1183 } | |
| 1184 | |
| 1185 // Useful for testing PrintToString(). We cannot use EXPECT_EQ() | |
| 1186 // there as its implementation uses PrintToString(). The caller must | |
| 1187 // ensure that 'value' has no side effect. | |
| 1188 #define EXPECT_PRINT_TO_STRING_(value, expected_string) \ | |
| 1189 EXPECT_TRUE(PrintToString(value) == (expected_string)) \ | |
| 1190 << " where " #value " prints as " << (PrintToString(value)) | |
| 1191 | |
| 1192 TEST(PrintToStringTest, WorksForScalar) { | |
| 1193 EXPECT_PRINT_TO_STRING_(123, "123"); | |
| 1194 } | |
| 1195 | |
| 1196 TEST(PrintToStringTest, WorksForPointerToConstChar) { | |
| 1197 const char* p = "hello"; | |
| 1198 EXPECT_PRINT_TO_STRING_(p, "\"hello\""); | |
| 1199 } | |
| 1200 | |
| 1201 TEST(PrintToStringTest, WorksForPointerToNonConstChar) { | |
| 1202 char s[] = "hello"; | |
| 1203 char* p = s; | |
| 1204 EXPECT_PRINT_TO_STRING_(p, "\"hello\""); | |
| 1205 } | |
| 1206 | |
| 1207 TEST(PrintToStringTest, WorksForArray) { | |
| 1208 int n[3] = { 1, 2, 3 }; | |
| 1209 EXPECT_PRINT_TO_STRING_(n, "{ 1, 2, 3 }"); | |
| 1210 } | |
| 1211 | |
| 1212 #undef EXPECT_PRINT_TO_STRING_ | |
| 1213 | |
| 1214 TEST(UniversalTersePrintTest, WorksForNonReference) { | |
| 1215 ::std::stringstream ss; | |
| 1216 UniversalTersePrint(123, &ss); | |
| 1217 EXPECT_EQ("123", ss.str()); | |
| 1218 } | |
| 1219 | |
| 1220 TEST(UniversalTersePrintTest, WorksForReference) { | |
| 1221 const int& n = 123; | |
| 1222 ::std::stringstream ss; | |
| 1223 UniversalTersePrint(n, &ss); | |
| 1224 EXPECT_EQ("123", ss.str()); | |
| 1225 } | |
| 1226 | |
| 1227 TEST(UniversalTersePrintTest, WorksForCString) { | |
| 1228 const char* s1 = "abc"; | |
| 1229 ::std::stringstream ss1; | |
| 1230 UniversalTersePrint(s1, &ss1); | |
| 1231 EXPECT_EQ("\"abc\"", ss1.str()); | |
| 1232 | |
| 1233 char* s2 = const_cast<char*>(s1); | |
| 1234 ::std::stringstream ss2; | |
| 1235 UniversalTersePrint(s2, &ss2); | |
| 1236 EXPECT_EQ("\"abc\"", ss2.str()); | |
| 1237 | |
| 1238 const char* s3 = NULL; | |
| 1239 ::std::stringstream ss3; | |
| 1240 UniversalTersePrint(s3, &ss3); | |
| 1241 EXPECT_EQ("NULL", ss3.str()); | |
| 1242 } | |
| 1243 | |
| 1244 TEST(UniversalPrintTest, WorksForNonReference) { | |
| 1245 ::std::stringstream ss; | |
| 1246 UniversalPrint(123, &ss); | |
| 1247 EXPECT_EQ("123", ss.str()); | |
| 1248 } | |
| 1249 | |
| 1250 TEST(UniversalPrintTest, WorksForReference) { | |
| 1251 const int& n = 123; | |
| 1252 ::std::stringstream ss; | |
| 1253 UniversalPrint(n, &ss); | |
| 1254 EXPECT_EQ("123", ss.str()); | |
| 1255 } | |
| 1256 | |
| 1257 TEST(UniversalPrintTest, WorksForCString) { | |
| 1258 const char* s1 = "abc"; | |
| 1259 ::std::stringstream ss1; | |
| 1260 UniversalPrint(s1, &ss1); | |
| 1261 EXPECT_EQ(PrintPointer(s1) + " pointing to \"abc\"", string(ss1.str())); | |
| 1262 | |
| 1263 char* s2 = const_cast<char*>(s1); | |
| 1264 ::std::stringstream ss2; | |
| 1265 UniversalPrint(s2, &ss2); | |
| 1266 EXPECT_EQ(PrintPointer(s2) + " pointing to \"abc\"", string(ss2.str())); | |
| 1267 | |
| 1268 const char* s3 = NULL; | |
| 1269 ::std::stringstream ss3; | |
| 1270 UniversalPrint(s3, &ss3); | |
| 1271 EXPECT_EQ("NULL", ss3.str()); | |
| 1272 } | |
| 1273 | |
| 1274 | |
| 1275 #if GTEST_HAS_TR1_TUPLE | |
| 1276 | |
| 1277 TEST(UniversalTersePrintTupleFieldsToStringsTest, PrintsEmptyTuple) { | |
| 1278 Strings result = UniversalTersePrintTupleFieldsToStrings(make_tuple()); | |
| 1279 EXPECT_EQ(0u, result.size()); | |
| 1280 } | |
| 1281 | |
| 1282 TEST(UniversalTersePrintTupleFieldsToStringsTest, PrintsOneTuple) { | |
| 1283 Strings result = UniversalTersePrintTupleFieldsToStrings(make_tuple(1)); | |
| 1284 ASSERT_EQ(1u, result.size()); | |
| 1285 EXPECT_EQ("1", result[0]); | |
| 1286 } | |
| 1287 | |
| 1288 TEST(UniversalTersePrintTupleFieldsToStringsTest, PrintsTwoTuple) { | |
| 1289 Strings result = UniversalTersePrintTupleFieldsToStrings(make_tuple(1, 'a')); | |
| 1290 ASSERT_EQ(2u, result.size()); | |
| 1291 EXPECT_EQ("1", result[0]); | |
| 1292 EXPECT_EQ("'a' (97, 0x61)", result[1]); | |
| 1293 } | |
| 1294 | |
| 1295 TEST(UniversalTersePrintTupleFieldsToStringsTest, PrintsTersely) { | |
| 1296 const int n = 1; | |
| 1297 Strings result = UniversalTersePrintTupleFieldsToStrings( | |
| 1298 tuple<const int&, const char*>(n, "a")); | |
| 1299 ASSERT_EQ(2u, result.size()); | |
| 1300 EXPECT_EQ("1", result[0]); | |
| 1301 EXPECT_EQ("\"a\"", result[1]); | |
| 1302 } | |
| 1303 | |
| 1304 #endif // GTEST_HAS_TR1_TUPLE | |
| 1305 | |
| 1306 } // namespace gtest_printers_test | |
| 1307 } // namespace testing | |
| OLD | NEW |