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				| // Copyright 2007, Google Inc. | |
| // All rights reserved. | |
| // | |
| // Redistribution and use in source and binary forms, with or without | |
| // modification, are permitted provided that the following conditions are | |
| // met: | |
| // | |
| //     * Redistributions of source code must retain the above copyright | |
| // notice, this list of conditions and the following disclaimer. | |
| //     * Redistributions in binary form must reproduce the above | |
| // copyright notice, this list of conditions and the following disclaimer | |
| // in the documentation and/or other materials provided with the | |
| // distribution. | |
| //     * Neither the name of Google Inc. nor the names of its | |
| // contributors may be used to endorse or promote products derived from | |
| // this software without specific prior written permission. | |
| // | |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| // | |
| // Author: wan@google.com (Zhanyong Wan) | |
|  | |
| // Google Test - The Google C++ Testing Framework | |
| // | |
| // This file tests the universal value printer. | |
|  | |
| #include "gtest/gtest-printers.h" | |
|  | |
| #include <ctype.h> | |
| #include <limits.h> | |
| #include <string.h> | |
| #include <algorithm> | |
| #include <deque> | |
| #include <list> | |
| #include <map> | |
| #include <set> | |
| #include <sstream> | |
| #include <string> | |
| #include <utility> | |
| #include <vector> | |
|  | |
| #include "gtest/gtest.h" | |
|  | |
| // hash_map and hash_set are available under Visual C++. | |
| #if _MSC_VER | |
| # define GTEST_HAS_HASH_MAP_ 1  // Indicates that hash_map is available. | |
| # include <hash_map>            // NOLINT | |
| # define GTEST_HAS_HASH_SET_ 1  // Indicates that hash_set is available. | |
| # include <hash_set>            // NOLINT | |
| #endif  // GTEST_OS_WINDOWS | |
|  | |
| // Some user-defined types for testing the universal value printer. | |
|  | |
| // An anonymous enum type. | |
| enum AnonymousEnum { | |
|   kAE1 = -1, | |
|   kAE2 = 1 | |
| }; | |
| 
 | |
| // An enum without a user-defined printer. | |
| enum EnumWithoutPrinter { | |
|   kEWP1 = -2, | |
|   kEWP2 = 42 | |
| }; | |
| 
 | |
| // An enum with a << operator. | |
| enum EnumWithStreaming { | |
|   kEWS1 = 10 | |
| }; | |
| 
 | |
| std::ostream& operator<<(std::ostream& os, EnumWithStreaming e) { | |
|   return os << (e == kEWS1 ? "kEWS1" : "invalid"); | |
| } | |
| 
 | |
| // An enum with a PrintTo() function. | |
| enum EnumWithPrintTo { | |
|   kEWPT1 = 1 | |
| }; | |
| 
 | |
| void PrintTo(EnumWithPrintTo e, std::ostream* os) { | |
|   *os << (e == kEWPT1 ? "kEWPT1" : "invalid"); | |
| } | |
| 
 | |
| // A class implicitly convertible to BiggestInt. | |
| class BiggestIntConvertible { | |
|  public: | |
|   operator ::testing::internal::BiggestInt() const { return 42; } | |
| }; | |
| 
 | |
| // A user-defined unprintable class template in the global namespace. | |
| template <typename T> | |
| class UnprintableTemplateInGlobal { | |
|  public: | |
|   UnprintableTemplateInGlobal() : value_() {} | |
|  private: | |
|   T value_; | |
| }; | |
| 
 | |
| // A user-defined streamable type in the global namespace. | |
| class StreamableInGlobal { | |
|  public: | |
|   virtual ~StreamableInGlobal() {} | |
| }; | |
| 
 | |
| inline void operator<<(::std::ostream& os, const StreamableInGlobal& /* x */) { | |
|   os << "StreamableInGlobal"; | |
| } | |
| 
 | |
| void operator<<(::std::ostream& os, const StreamableInGlobal* /* x */) { | |
|   os << "StreamableInGlobal*"; | |
| } | |
| 
 | |
| namespace foo { | |
| 
 | |
| // A user-defined unprintable type in a user namespace. | |
| class UnprintableInFoo { | |
|  public: | |
|   UnprintableInFoo() : z_(0) { memcpy(xy_, "\xEF\x12\x0\x0\x34\xAB\x0\x0", 8); } | |
|  private: | |
|   char xy_[8]; | |
|   double z_; | |
| }; | |
| 
 | |
| // A user-defined printable type in a user-chosen namespace. | |
| struct PrintableViaPrintTo { | |
|   PrintableViaPrintTo() : value() {} | |
|   int value; | |
| }; | |
| 
 | |
| void PrintTo(const PrintableViaPrintTo& x, ::std::ostream* os) { | |
|   *os << "PrintableViaPrintTo: " << x.value; | |
| } | |
| 
 | |
| // A type with a user-defined << for printing its pointer. | |
| struct PointerPrintable { | |
| }; | |
| 
 | |
| ::std::ostream& operator<<(::std::ostream& os, | |
|                            const PointerPrintable* /* x */) { | |
|   return os << "PointerPrintable*"; | |
| } | |
| 
 | |
| // A user-defined printable class template in a user-chosen namespace. | |
| template <typename T> | |
| class PrintableViaPrintToTemplate { | |
|  public: | |
|   explicit PrintableViaPrintToTemplate(const T& a_value) : value_(a_value) {} | |
| 
 | |
|   const T& value() const { return value_; } | |
|  private: | |
|   T value_; | |
| }; | |
| 
 | |
| template <typename T> | |
| void PrintTo(const PrintableViaPrintToTemplate<T>& x, ::std::ostream* os) { | |
|   *os << "PrintableViaPrintToTemplate: " << x.value(); | |
| } | |
| 
 | |
| // A user-defined streamable class template in a user namespace. | |
| template <typename T> | |
| class StreamableTemplateInFoo { | |
|  public: | |
|   StreamableTemplateInFoo() : value_() {} | |
| 
 | |
|   const T& value() const { return value_; } | |
|  private: | |
|   T value_; | |
| }; | |
| 
 | |
| template <typename T> | |
| inline ::std::ostream& operator<<(::std::ostream& os, | |
|                                   const StreamableTemplateInFoo<T>& x) { | |
|   return os << "StreamableTemplateInFoo: " << x.value(); | |
| } | |
| 
 | |
| }  // namespace foo | |
|  | |
| namespace testing { | |
| namespace gtest_printers_test { | |
| 
 | |
| using ::std::deque; | |
| using ::std::list; | |
| using ::std::make_pair; | |
| using ::std::map; | |
| using ::std::multimap; | |
| using ::std::multiset; | |
| using ::std::pair; | |
| using ::std::set; | |
| using ::std::vector; | |
| using ::testing::PrintToString; | |
| using ::testing::internal::NativeArray; | |
| using ::testing::internal::RE; | |
| using ::testing::internal::Strings; | |
| using ::testing::internal::UniversalTersePrint; | |
| using ::testing::internal::UniversalPrint; | |
| using ::testing::internal::UniversalTersePrintTupleFieldsToStrings; | |
| using ::testing::internal::UniversalPrinter; | |
| using ::testing::internal::kReference; | |
| using ::testing::internal::string; | |
| 
 | |
| #if GTEST_HAS_TR1_TUPLE | |
| using ::std::tr1::make_tuple; | |
| using ::std::tr1::tuple; | |
| #endif | |
|  | |
| #if _MSC_VER | |
| // MSVC defines the following classes in the ::stdext namespace while | |
| // gcc defines them in the :: namespace.  Note that they are not part | |
| // of the C++ standard. | |
| using ::stdext::hash_map; | |
| using ::stdext::hash_set; | |
| using ::stdext::hash_multimap; | |
| using ::stdext::hash_multiset; | |
| #endif | |
|  | |
| // Prints a value to a string using the universal value printer.  This | |
| // is a helper for testing UniversalPrinter<T>::Print() for various types. | |
| template <typename T> | |
| string Print(const T& value) { | |
|   ::std::stringstream ss; | |
|   UniversalPrinter<T>::Print(value, &ss); | |
|   return ss.str(); | |
| } | |
| 
 | |
| // Prints a value passed by reference to a string, using the universal | |
| // value printer.  This is a helper for testing | |
| // UniversalPrinter<T&>::Print() for various types. | |
| template <typename T> | |
| string PrintByRef(const T& value) { | |
|   ::std::stringstream ss; | |
|   UniversalPrinter<T&>::Print(value, &ss); | |
|   return ss.str(); | |
| } | |
| 
 | |
| // Tests printing various enum types. | |
|  | |
| TEST(PrintEnumTest, AnonymousEnum) { | |
|   EXPECT_EQ("-1", Print(kAE1)); | |
|   EXPECT_EQ("1", Print(kAE2)); | |
| } | |
| 
 | |
| TEST(PrintEnumTest, EnumWithoutPrinter) { | |
|   EXPECT_EQ("-2", Print(kEWP1)); | |
|   EXPECT_EQ("42", Print(kEWP2)); | |
| } | |
| 
 | |
| TEST(PrintEnumTest, EnumWithStreaming) { | |
|   EXPECT_EQ("kEWS1", Print(kEWS1)); | |
|   EXPECT_EQ("invalid", Print(static_cast<EnumWithStreaming>(0))); | |
| } | |
| 
 | |
| TEST(PrintEnumTest, EnumWithPrintTo) { | |
|   EXPECT_EQ("kEWPT1", Print(kEWPT1)); | |
|   EXPECT_EQ("invalid", Print(static_cast<EnumWithPrintTo>(0))); | |
| } | |
| 
 | |
| // Tests printing a class implicitly convertible to BiggestInt. | |
|  | |
| TEST(PrintClassTest, BiggestIntConvertible) { | |
|   EXPECT_EQ("42", Print(BiggestIntConvertible())); | |
| } | |
| 
 | |
| // Tests printing various char types. | |
|  | |
| // char. | |
| TEST(PrintCharTest, PlainChar) { | |
|   EXPECT_EQ("'\\0'", Print('\0')); | |
|   EXPECT_EQ("'\\'' (39, 0x27)", Print('\'')); | |
|   EXPECT_EQ("'\"' (34, 0x22)", Print('"')); | |
|   EXPECT_EQ("'?' (63, 0x3F)", Print('?')); | |
|   EXPECT_EQ("'\\\\' (92, 0x5C)", Print('\\')); | |
|   EXPECT_EQ("'\\a' (7)", Print('\a')); | |
|   EXPECT_EQ("'\\b' (8)", Print('\b')); | |
|   EXPECT_EQ("'\\f' (12, 0xC)", Print('\f')); | |
|   EXPECT_EQ("'\\n' (10, 0xA)", Print('\n')); | |
|   EXPECT_EQ("'\\r' (13, 0xD)", Print('\r')); | |
|   EXPECT_EQ("'\\t' (9)", Print('\t')); | |
|   EXPECT_EQ("'\\v' (11, 0xB)", Print('\v')); | |
|   EXPECT_EQ("'\\x7F' (127)", Print('\x7F')); | |
|   EXPECT_EQ("'\\xFF' (255)", Print('\xFF')); | |
|   EXPECT_EQ("' ' (32, 0x20)", Print(' ')); | |
|   EXPECT_EQ("'a' (97, 0x61)", Print('a')); | |
| } | |
| 
 | |
| // signed char. | |
| TEST(PrintCharTest, SignedChar) { | |
|   EXPECT_EQ("'\\0'", Print(static_cast<signed char>('\0'))); | |
|   EXPECT_EQ("'\\xCE' (-50)", | |
|             Print(static_cast<signed char>(-50))); | |
| } | |
| 
 | |
| // unsigned char. | |
| TEST(PrintCharTest, UnsignedChar) { | |
|   EXPECT_EQ("'\\0'", Print(static_cast<unsigned char>('\0'))); | |
|   EXPECT_EQ("'b' (98, 0x62)", | |
|             Print(static_cast<unsigned char>('b'))); | |
| } | |
| 
 | |
| // Tests printing other simple, built-in types. | |
|  | |
| // bool. | |
| TEST(PrintBuiltInTypeTest, Bool) { | |
|   EXPECT_EQ("false", Print(false)); | |
|   EXPECT_EQ("true", Print(true)); | |
| } | |
| 
 | |
| // wchar_t. | |
| TEST(PrintBuiltInTypeTest, Wchar_t) { | |
|   EXPECT_EQ("L'\\0'", Print(L'\0')); | |
|   EXPECT_EQ("L'\\'' (39, 0x27)", Print(L'\'')); | |
|   EXPECT_EQ("L'\"' (34, 0x22)", Print(L'"')); | |
|   EXPECT_EQ("L'?' (63, 0x3F)", Print(L'?')); | |
|   EXPECT_EQ("L'\\\\' (92, 0x5C)", Print(L'\\')); | |
|   EXPECT_EQ("L'\\a' (7)", Print(L'\a')); | |
|   EXPECT_EQ("L'\\b' (8)", Print(L'\b')); | |
|   EXPECT_EQ("L'\\f' (12, 0xC)", Print(L'\f')); | |
|   EXPECT_EQ("L'\\n' (10, 0xA)", Print(L'\n')); | |
|   EXPECT_EQ("L'\\r' (13, 0xD)", Print(L'\r')); | |
|   EXPECT_EQ("L'\\t' (9)", Print(L'\t')); | |
|   EXPECT_EQ("L'\\v' (11, 0xB)", Print(L'\v')); | |
|   EXPECT_EQ("L'\\x7F' (127)", Print(L'\x7F')); | |
|   EXPECT_EQ("L'\\xFF' (255)", Print(L'\xFF')); | |
|   EXPECT_EQ("L' ' (32, 0x20)", Print(L' ')); | |
|   EXPECT_EQ("L'a' (97, 0x61)", Print(L'a')); | |
|   EXPECT_EQ("L'\\x576' (1398)", Print(static_cast<wchar_t>(0x576))); | |
|   EXPECT_EQ("L'\\xC74D' (51021)", Print(static_cast<wchar_t>(0xC74D))); | |
| } | |
| 
 | |
| // Test that Int64 provides more storage than wchar_t. | |
| TEST(PrintTypeSizeTest, Wchar_t) { | |
|   EXPECT_LT(sizeof(wchar_t), sizeof(testing::internal::Int64)); | |
| } | |
| 
 | |
| // Various integer types. | |
| TEST(PrintBuiltInTypeTest, Integer) { | |
|   EXPECT_EQ("'\\xFF' (255)", Print(static_cast<unsigned char>(255)));  // uint8 | |
|   EXPECT_EQ("'\\x80' (-128)", Print(static_cast<signed char>(-128)));  // int8 | |
|   EXPECT_EQ("65535", Print(USHRT_MAX));  // uint16 | |
|   EXPECT_EQ("-32768", Print(SHRT_MIN));  // int16 | |
|   EXPECT_EQ("4294967295", Print(UINT_MAX));  // uint32 | |
|   EXPECT_EQ("-2147483648", Print(INT_MIN));  // int32 | |
|   EXPECT_EQ("18446744073709551615", | |
|             Print(static_cast<testing::internal::UInt64>(-1)));  // uint64 | |
|   EXPECT_EQ("-9223372036854775808", | |
|             Print(static_cast<testing::internal::Int64>(1) << 63));  // int64 | |
| } | |
| 
 | |
| // Size types. | |
| TEST(PrintBuiltInTypeTest, Size_t) { | |
|   EXPECT_EQ("1", Print(sizeof('a')));  // size_t. | |
| #if !GTEST_OS_WINDOWS | |
|   // Windows has no ssize_t type. | |
|   EXPECT_EQ("-2", Print(static_cast<ssize_t>(-2)));  // ssize_t. | |
| #endif  // !GTEST_OS_WINDOWS | |
| } | |
| 
 | |
| // Floating-points. | |
| TEST(PrintBuiltInTypeTest, FloatingPoints) { | |
|   EXPECT_EQ("1.5", Print(1.5f));   // float | |
|   EXPECT_EQ("-2.5", Print(-2.5));  // double | |
| } | |
| 
 | |
| // Since ::std::stringstream::operator<<(const void *) formats the pointer | |
| // output differently with different compilers, we have to create the expected | |
| // output first and use it as our expectation. | |
| static string PrintPointer(const void *p) { | |
|   ::std::stringstream expected_result_stream; | |
|   expected_result_stream << p; | |
|   return expected_result_stream.str(); | |
| } | |
| 
 | |
| // Tests printing C strings. | |
|  | |
| // const char*. | |
| TEST(PrintCStringTest, Const) { | |
|   const char* p = "World"; | |
|   EXPECT_EQ(PrintPointer(p) + " pointing to \"World\"", Print(p)); | |
| } | |
| 
 | |
| // char*. | |
| TEST(PrintCStringTest, NonConst) { | |
|   char p[] = "Hi"; | |
|   EXPECT_EQ(PrintPointer(p) + " pointing to \"Hi\"", | |
|             Print(static_cast<char*>(p))); | |
| } | |
| 
 | |
| // NULL C string. | |
| TEST(PrintCStringTest, Null) { | |
|   const char* p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // Tests that C strings are escaped properly. | |
| TEST(PrintCStringTest, EscapesProperly) { | |
|   const char* p = "'\"?\\\a\b\f\n\r\t\v\x7F\xFF a"; | |
|   EXPECT_EQ(PrintPointer(p) + " pointing to \"'\\\"?\\\\\\a\\b\\f" | |
|             "\\n\\r\\t\\v\\x7F\\xFF a\"", | |
|             Print(p)); | |
| } | |
| 
 | |
| 
 | |
| 
 | |
| // MSVC compiler can be configured to define whar_t as a typedef | |
| // of unsigned short. Defining an overload for const wchar_t* in that case | |
| // would cause pointers to unsigned shorts be printed as wide strings, | |
| // possibly accessing more memory than intended and causing invalid | |
| // memory accesses. MSVC defines _NATIVE_WCHAR_T_DEFINED symbol when | |
| // wchar_t is implemented as a native type. | |
| #if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED) | |
|  | |
| // const wchar_t*. | |
| TEST(PrintWideCStringTest, Const) { | |
|   const wchar_t* p = L"World"; | |
|   EXPECT_EQ(PrintPointer(p) + " pointing to L\"World\"", Print(p)); | |
| } | |
| 
 | |
| // wchar_t*. | |
| TEST(PrintWideCStringTest, NonConst) { | |
|   wchar_t p[] = L"Hi"; | |
|   EXPECT_EQ(PrintPointer(p) + " pointing to L\"Hi\"", | |
|             Print(static_cast<wchar_t*>(p))); | |
| } | |
| 
 | |
| // NULL wide C string. | |
| TEST(PrintWideCStringTest, Null) { | |
|   const wchar_t* p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // Tests that wide C strings are escaped properly. | |
| TEST(PrintWideCStringTest, EscapesProperly) { | |
|   const wchar_t s[] = {'\'', '"', '?', '\\', '\a', '\b', '\f', '\n', '\r', | |
|                        '\t', '\v', 0xD3, 0x576, 0x8D3, 0xC74D, ' ', 'a', '\0'}; | |
|   EXPECT_EQ(PrintPointer(s) + " pointing to L\"'\\\"?\\\\\\a\\b\\f" | |
|             "\\n\\r\\t\\v\\xD3\\x576\\x8D3\\xC74D a\"", | |
|             Print(static_cast<const wchar_t*>(s))); | |
| } | |
| #endif  // native wchar_t | |
|  | |
| // Tests printing pointers to other char types. | |
|  | |
| // signed char*. | |
| TEST(PrintCharPointerTest, SignedChar) { | |
|   signed char* p = reinterpret_cast<signed char*>(0x1234); | |
|   EXPECT_EQ(PrintPointer(p), Print(p)); | |
|   p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // const signed char*. | |
| TEST(PrintCharPointerTest, ConstSignedChar) { | |
|   signed char* p = reinterpret_cast<signed char*>(0x1234); | |
|   EXPECT_EQ(PrintPointer(p), Print(p)); | |
|   p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // unsigned char*. | |
| TEST(PrintCharPointerTest, UnsignedChar) { | |
|   unsigned char* p = reinterpret_cast<unsigned char*>(0x1234); | |
|   EXPECT_EQ(PrintPointer(p), Print(p)); | |
|   p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // const unsigned char*. | |
| TEST(PrintCharPointerTest, ConstUnsignedChar) { | |
|   const unsigned char* p = reinterpret_cast<const unsigned char*>(0x1234); | |
|   EXPECT_EQ(PrintPointer(p), Print(p)); | |
|   p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // Tests printing pointers to simple, built-in types. | |
|  | |
| // bool*. | |
| TEST(PrintPointerToBuiltInTypeTest, Bool) { | |
|   bool* p = reinterpret_cast<bool*>(0xABCD); | |
|   EXPECT_EQ(PrintPointer(p), Print(p)); | |
|   p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // void*. | |
| TEST(PrintPointerToBuiltInTypeTest, Void) { | |
|   void* p = reinterpret_cast<void*>(0xABCD); | |
|   EXPECT_EQ(PrintPointer(p), Print(p)); | |
|   p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // const void*. | |
| TEST(PrintPointerToBuiltInTypeTest, ConstVoid) { | |
|   const void* p = reinterpret_cast<const void*>(0xABCD); | |
|   EXPECT_EQ(PrintPointer(p), Print(p)); | |
|   p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // Tests printing pointers to pointers. | |
| TEST(PrintPointerToPointerTest, IntPointerPointer) { | |
|   int** p = reinterpret_cast<int**>(0xABCD); | |
|   EXPECT_EQ(PrintPointer(p), Print(p)); | |
|   p = NULL; | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // Tests printing (non-member) function pointers. | |
|  | |
| void MyFunction(int /* n */) {} | |
| 
 | |
| TEST(PrintPointerTest, NonMemberFunctionPointer) { | |
|   // We cannot directly cast &MyFunction to const void* because the | |
|   // standard disallows casting between pointers to functions and | |
|   // pointers to objects, and some compilers (e.g. GCC 3.4) enforce | |
|   // this limitation. | |
|   EXPECT_EQ( | |
|       PrintPointer(reinterpret_cast<const void*>( | |
|           reinterpret_cast<internal::BiggestInt>(&MyFunction))), | |
|       Print(&MyFunction)); | |
|   int (*p)(bool) = NULL;  // NOLINT | |
|   EXPECT_EQ("NULL", Print(p)); | |
| } | |
| 
 | |
| // An assertion predicate determining whether a one string is a prefix for | |
| // another. | |
| template <typename StringType> | |
| AssertionResult HasPrefix(const StringType& str, const StringType& prefix) { | |
|   if (str.find(prefix, 0) == 0) | |
|     return AssertionSuccess(); | |
| 
 | |
|   const bool is_wide_string = sizeof(prefix[0]) > 1; | |
|   const char* const begin_string_quote = is_wide_string ? "L\"" : "\""; | |
|   return AssertionFailure() | |
|       << begin_string_quote << prefix << "\" is not a prefix of " | |
|       << begin_string_quote << str << "\"\n"; | |
| } | |
| 
 | |
| // Tests printing member variable pointers.  Although they are called | |
| // pointers, they don't point to a location in the address space. | |
| // Their representation is implementation-defined.  Thus they will be | |
| // printed as raw bytes. | |
|  | |
| struct Foo { | |
|  public: | |
|   virtual ~Foo() {} | |
|   int MyMethod(char x) { return x + 1; } | |
|   virtual char MyVirtualMethod(int /* n */) { return 'a'; } | |
| 
 | |
|   int value; | |
| }; | |
| 
 | |
| TEST(PrintPointerTest, MemberVariablePointer) { | |
|   EXPECT_TRUE(HasPrefix(Print(&Foo::value), | |
|                         Print(sizeof(&Foo::value)) + "-byte object ")); | |
|   int (Foo::*p) = NULL;  // NOLINT | |
|   EXPECT_TRUE(HasPrefix(Print(p), | |
|                         Print(sizeof(p)) + "-byte object ")); | |
| } | |
| 
 | |
| // Tests printing member function pointers.  Although they are called | |
| // pointers, they don't point to a location in the address space. | |
| // Their representation is implementation-defined.  Thus they will be | |
| // printed as raw bytes. | |
| TEST(PrintPointerTest, MemberFunctionPointer) { | |
|   EXPECT_TRUE(HasPrefix(Print(&Foo::MyMethod), | |
|                         Print(sizeof(&Foo::MyMethod)) + "-byte object ")); | |
|   EXPECT_TRUE( | |
|       HasPrefix(Print(&Foo::MyVirtualMethod), | |
|                 Print(sizeof((&Foo::MyVirtualMethod))) + "-byte object ")); | |
|   int (Foo::*p)(char) = NULL;  // NOLINT | |
|   EXPECT_TRUE(HasPrefix(Print(p), | |
|                         Print(sizeof(p)) + "-byte object ")); | |
| } | |
| 
 | |
| // Tests printing C arrays. | |
|  | |
| // The difference between this and Print() is that it ensures that the | |
| // argument is a reference to an array. | |
| template <typename T, size_t N> | |
| string PrintArrayHelper(T (&a)[N]) { | |
|   return Print(a); | |
| } | |
| 
 | |
| // One-dimensional array. | |
| TEST(PrintArrayTest, OneDimensionalArray) { | |
|   int a[5] = { 1, 2, 3, 4, 5 }; | |
|   EXPECT_EQ("{ 1, 2, 3, 4, 5 }", PrintArrayHelper(a)); | |
| } | |
| 
 | |
| // Two-dimensional array. | |
| TEST(PrintArrayTest, TwoDimensionalArray) { | |
|   int a[2][5] = { | |
|     { 1, 2, 3, 4, 5 }, | |
|     { 6, 7, 8, 9, 0 } | |
|   }; | |
|   EXPECT_EQ("{ { 1, 2, 3, 4, 5 }, { 6, 7, 8, 9, 0 } }", PrintArrayHelper(a)); | |
| } | |
| 
 | |
| // Array of const elements. | |
| TEST(PrintArrayTest, ConstArray) { | |
|   const bool a[1] = { false }; | |
|   EXPECT_EQ("{ false }", PrintArrayHelper(a)); | |
| } | |
| 
 | |
| // Char array. | |
| TEST(PrintArrayTest, CharArray) { | |
|   // Array a contains '\0' in the middle and doesn't end with '\0'. | |
|   char a[3] = { 'H', '\0', 'i' }; | |
|   EXPECT_EQ("\"H\\0i\"", PrintArrayHelper(a)); | |
| } | |
| 
 | |
| // Const char array. | |
| TEST(PrintArrayTest, ConstCharArray) { | |
|   const char a[4] = "\0Hi"; | |
|   EXPECT_EQ("\"\\0Hi\\0\"", PrintArrayHelper(a)); | |
| } | |
| 
 | |
| // Array of objects. | |
| TEST(PrintArrayTest, ObjectArray) { | |
|   string a[3] = { "Hi", "Hello", "Ni hao" }; | |
|   EXPECT_EQ("{ \"Hi\", \"Hello\", \"Ni hao\" }", PrintArrayHelper(a)); | |
| } | |
| 
 | |
| // Array with many elements. | |
| TEST(PrintArrayTest, BigArray) { | |
|   int a[100] = { 1, 2, 3 }; | |
|   EXPECT_EQ("{ 1, 2, 3, 0, 0, 0, 0, 0, ..., 0, 0, 0, 0, 0, 0, 0, 0 }", | |
|             PrintArrayHelper(a)); | |
| } | |
| 
 | |
| // Tests printing ::string and ::std::string. | |
|  | |
| #if GTEST_HAS_GLOBAL_STRING | |
| // ::string. | |
| TEST(PrintStringTest, StringInGlobalNamespace) { | |
|   const char s[] = "'\"?\\\a\b\f\n\0\r\t\v\x7F\xFF a"; | |
|   const ::string str(s, sizeof(s)); | |
|   EXPECT_EQ("\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v\\x7F\\xFF a\\0\"", | |
|             Print(str)); | |
| } | |
| #endif  // GTEST_HAS_GLOBAL_STRING | |
|  | |
| // ::std::string. | |
| TEST(PrintStringTest, StringInStdNamespace) { | |
|   const char s[] = "'\"?\\\a\b\f\n\0\r\t\v\x7F\xFF a"; | |
|   const ::std::string str(s, sizeof(s)); | |
|   EXPECT_EQ("\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v\\x7F\\xFF a\\0\"", | |
|             Print(str)); | |
| } | |
| 
 | |
| TEST(PrintStringTest, StringAmbiguousHex) { | |
|   // "\x6BANANA" is ambiguous, it can be interpreted as starting with either of: | |
|   // '\x6', '\x6B', or '\x6BA'. | |
|  | |
|   // a hex escaping sequence following by a decimal digit | |
|   EXPECT_EQ("\"0\\x12\" \"3\"", Print(::std::string("0\x12" "3"))); | |
|   // a hex escaping sequence following by a hex digit (lower-case) | |
|   EXPECT_EQ("\"mm\\x6\" \"bananas\"", Print(::std::string("mm\x6" "bananas"))); | |
|   // a hex escaping sequence following by a hex digit (upper-case) | |
|   EXPECT_EQ("\"NOM\\x6\" \"BANANA\"", Print(::std::string("NOM\x6" "BANANA"))); | |
|   // a hex escaping sequence following by a non-xdigit | |
|   EXPECT_EQ("\"!\\x5-!\"", Print(::std::string("!\x5-!"))); | |
| } | |
| 
 | |
| // Tests printing ::wstring and ::std::wstring. | |
|  | |
| #if GTEST_HAS_GLOBAL_WSTRING | |
| // ::wstring. | |
| TEST(PrintWideStringTest, StringInGlobalNamespace) { | |
|   const wchar_t s[] = L"'\"?\\\a\b\f\n\0\r\t\v\xD3\x576\x8D3\xC74D a"; | |
|   const ::wstring str(s, sizeof(s)/sizeof(wchar_t)); | |
|   EXPECT_EQ("L\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v" | |
|             "\\xD3\\x576\\x8D3\\xC74D a\\0\"", | |
|             Print(str)); | |
| } | |
| #endif  // GTEST_HAS_GLOBAL_WSTRING | |
|  | |
| #if GTEST_HAS_STD_WSTRING | |
| // ::std::wstring. | |
| TEST(PrintWideStringTest, StringInStdNamespace) { | |
|   const wchar_t s[] = L"'\"?\\\a\b\f\n\0\r\t\v\xD3\x576\x8D3\xC74D a"; | |
|   const ::std::wstring str(s, sizeof(s)/sizeof(wchar_t)); | |
|   EXPECT_EQ("L\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v" | |
|             "\\xD3\\x576\\x8D3\\xC74D a\\0\"", | |
|             Print(str)); | |
| } | |
| 
 | |
| TEST(PrintWideStringTest, StringAmbiguousHex) { | |
|   // same for wide strings. | |
|   EXPECT_EQ("L\"0\\x12\" L\"3\"", Print(::std::wstring(L"0\x12" L"3"))); | |
|   EXPECT_EQ("L\"mm\\x6\" L\"bananas\"", | |
|             Print(::std::wstring(L"mm\x6" L"bananas"))); | |
|   EXPECT_EQ("L\"NOM\\x6\" L\"BANANA\"", | |
|             Print(::std::wstring(L"NOM\x6" L"BANANA"))); | |
|   EXPECT_EQ("L\"!\\x5-!\"", Print(::std::wstring(L"!\x5-!"))); | |
| } | |
| #endif  // GTEST_HAS_STD_WSTRING | |
|  | |
| // Tests printing types that support generic streaming (i.e. streaming | |
| // to std::basic_ostream<Char, CharTraits> for any valid Char and | |
| // CharTraits types). | |
|  | |
| // Tests printing a non-template type that supports generic streaming. | |
|  | |
| class AllowsGenericStreaming {}; | |
| 
 | |
| template <typename Char, typename CharTraits> | |
| std::basic_ostream<Char, CharTraits>& operator<<( | |
|     std::basic_ostream<Char, CharTraits>& os, | |
|     const AllowsGenericStreaming& /* a */) { | |
|   return os << "AllowsGenericStreaming"; | |
| } | |
| 
 | |
| TEST(PrintTypeWithGenericStreamingTest, NonTemplateType) { | |
|   AllowsGenericStreaming a; | |
|   EXPECT_EQ("AllowsGenericStreaming", Print(a)); | |
| } | |
| 
 | |
| // Tests printing a template type that supports generic streaming. | |
|  | |
| template <typename T> | |
| class AllowsGenericStreamingTemplate {}; | |
| 
 | |
| template <typename Char, typename CharTraits, typename T> | |
| std::basic_ostream<Char, CharTraits>& operator<<( | |
|     std::basic_ostream<Char, CharTraits>& os, | |
|     const AllowsGenericStreamingTemplate<T>& /* a */) { | |
|   return os << "AllowsGenericStreamingTemplate"; | |
| } | |
| 
 | |
| TEST(PrintTypeWithGenericStreamingTest, TemplateType) { | |
|   AllowsGenericStreamingTemplate<int> a; | |
|   EXPECT_EQ("AllowsGenericStreamingTemplate", Print(a)); | |
| } | |
| 
 | |
| // Tests printing a type that supports generic streaming and can be | |
| // implicitly converted to another printable type. | |
|  | |
| template <typename T> | |
| class AllowsGenericStreamingAndImplicitConversionTemplate { | |
|  public: | |
|   operator bool() const { return false; } | |
| }; | |
| 
 | |
| template <typename Char, typename CharTraits, typename T> | |
| std::basic_ostream<Char, CharTraits>& operator<<( | |
|     std::basic_ostream<Char, CharTraits>& os, | |
|     const AllowsGenericStreamingAndImplicitConversionTemplate<T>& /* a */) { | |
|   return os << "AllowsGenericStreamingAndImplicitConversionTemplate"; | |
| } | |
| 
 | |
| TEST(PrintTypeWithGenericStreamingTest, TypeImplicitlyConvertible) { | |
|   AllowsGenericStreamingAndImplicitConversionTemplate<int> a; | |
|   EXPECT_EQ("AllowsGenericStreamingAndImplicitConversionTemplate", Print(a)); | |
| } | |
| 
 | |
| #if GTEST_HAS_STRING_PIECE_ | |
|  | |
| // Tests printing StringPiece. | |
|  | |
| TEST(PrintStringPieceTest, SimpleStringPiece) { | |
|   const StringPiece sp = "Hello"; | |
|   EXPECT_EQ("\"Hello\"", Print(sp)); | |
| } | |
| 
 | |
| TEST(PrintStringPieceTest, UnprintableCharacters) { | |
|   const char str[] = "NUL (\0) and \r\t"; | |
|   const StringPiece sp(str, sizeof(str) - 1); | |
|   EXPECT_EQ("\"NUL (\\0) and \\r\\t\"", Print(sp)); | |
| } | |
| 
 | |
| #endif  // GTEST_HAS_STRING_PIECE_ | |
|  | |
| // Tests printing STL containers. | |
|  | |
| TEST(PrintStlContainerTest, EmptyDeque) { | |
|   deque<char> empty; | |
|   EXPECT_EQ("{}", Print(empty)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, NonEmptyDeque) { | |
|   deque<int> non_empty; | |
|   non_empty.push_back(1); | |
|   non_empty.push_back(3); | |
|   EXPECT_EQ("{ 1, 3 }", Print(non_empty)); | |
| } | |
| 
 | |
| #if GTEST_HAS_HASH_MAP_ | |
|  | |
| TEST(PrintStlContainerTest, OneElementHashMap) { | |
|   hash_map<int, char> map1; | |
|   map1[1] = 'a'; | |
|   EXPECT_EQ("{ (1, 'a' (97, 0x61)) }", Print(map1)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, HashMultiMap) { | |
|   hash_multimap<int, bool> map1; | |
|   map1.insert(make_pair(5, true)); | |
|   map1.insert(make_pair(5, false)); | |
| 
 | |
|   // Elements of hash_multimap can be printed in any order. | |
|   const string result = Print(map1); | |
|   EXPECT_TRUE(result == "{ (5, true), (5, false) }" || | |
|               result == "{ (5, false), (5, true) }") | |
|                   << " where Print(map1) returns \"" << result << "\"."; | |
| } | |
| 
 | |
| #endif  // GTEST_HAS_HASH_MAP_ | |
|  | |
| #if GTEST_HAS_HASH_SET_ | |
|  | |
| TEST(PrintStlContainerTest, HashSet) { | |
|   hash_set<string> set1; | |
|   set1.insert("hello"); | |
|   EXPECT_EQ("{ \"hello\" }", Print(set1)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, HashMultiSet) { | |
|   const int kSize = 5; | |
|   int a[kSize] = { 1, 1, 2, 5, 1 }; | |
|   hash_multiset<int> set1(a, a + kSize); | |
| 
 | |
|   // Elements of hash_multiset can be printed in any order. | |
|   const string result = Print(set1); | |
|   const string expected_pattern = "{ d, d, d, d, d }";  // d means a digit. | |
|  | |
|   // Verifies the result matches the expected pattern; also extracts | |
|   // the numbers in the result. | |
|   ASSERT_EQ(expected_pattern.length(), result.length()); | |
|   std::vector<int> numbers; | |
|   for (size_t i = 0; i != result.length(); i++) { | |
|     if (expected_pattern[i] == 'd') { | |
|       ASSERT_TRUE(isdigit(static_cast<unsigned char>(result[i])) != 0); | |
|       numbers.push_back(result[i] - '0'); | |
|     } else { | |
|       EXPECT_EQ(expected_pattern[i], result[i]) << " where result is " | |
|                                                 << result; | |
|     } | |
|   } | |
| 
 | |
|   // Makes sure the result contains the right numbers. | |
|   std::sort(numbers.begin(), numbers.end()); | |
|   std::sort(a, a + kSize); | |
|   EXPECT_TRUE(std::equal(a, a + kSize, numbers.begin())); | |
| } | |
| 
 | |
| #endif  // GTEST_HAS_HASH_SET_ | |
|  | |
| TEST(PrintStlContainerTest, List) { | |
|   const string a[] = { | |
|     "hello", | |
|     "world" | |
|   }; | |
|   const list<string> strings(a, a + 2); | |
|   EXPECT_EQ("{ \"hello\", \"world\" }", Print(strings)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, Map) { | |
|   map<int, bool> map1; | |
|   map1[1] = true; | |
|   map1[5] = false; | |
|   map1[3] = true; | |
|   EXPECT_EQ("{ (1, true), (3, true), (5, false) }", Print(map1)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, MultiMap) { | |
|   multimap<bool, int> map1; | |
|   // The make_pair template function would deduce the type as | |
|   // pair<bool, int> here, and since the key part in a multimap has to | |
|   // be constant, without a templated ctor in the pair class (as in | |
|   // libCstd on Solaris), make_pair call would fail to compile as no | |
|   // implicit conversion is found.  Thus explicit typename is used | |
|   // here instead. | |
|   map1.insert(pair<const bool, int>(true, 0)); | |
|   map1.insert(pair<const bool, int>(true, 1)); | |
|   map1.insert(pair<const bool, int>(false, 2)); | |
|   EXPECT_EQ("{ (false, 2), (true, 0), (true, 1) }", Print(map1)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, Set) { | |
|   const unsigned int a[] = { 3, 0, 5 }; | |
|   set<unsigned int> set1(a, a + 3); | |
|   EXPECT_EQ("{ 0, 3, 5 }", Print(set1)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, MultiSet) { | |
|   const int a[] = { 1, 1, 2, 5, 1 }; | |
|   multiset<int> set1(a, a + 5); | |
|   EXPECT_EQ("{ 1, 1, 1, 2, 5 }", Print(set1)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, Pair) { | |
|   pair<const bool, int> p(true, 5); | |
|   EXPECT_EQ("(true, 5)", Print(p)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, Vector) { | |
|   vector<int> v; | |
|   v.push_back(1); | |
|   v.push_back(2); | |
|   EXPECT_EQ("{ 1, 2 }", Print(v)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, LongSequence) { | |
|   const int a[100] = { 1, 2, 3 }; | |
|   const vector<int> v(a, a + 100); | |
|   EXPECT_EQ("{ 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, " | |
|             "0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ... }", Print(v)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, NestedContainer) { | |
|   const int a1[] = { 1, 2 }; | |
|   const int a2[] = { 3, 4, 5 }; | |
|   const list<int> l1(a1, a1 + 2); | |
|   const list<int> l2(a2, a2 + 3); | |
| 
 | |
|   vector<list<int> > v; | |
|   v.push_back(l1); | |
|   v.push_back(l2); | |
|   EXPECT_EQ("{ { 1, 2 }, { 3, 4, 5 } }", Print(v)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, OneDimensionalNativeArray) { | |
|   const int a[3] = { 1, 2, 3 }; | |
|   NativeArray<int> b(a, 3, kReference); | |
|   EXPECT_EQ("{ 1, 2, 3 }", Print(b)); | |
| } | |
| 
 | |
| TEST(PrintStlContainerTest, TwoDimensionalNativeArray) { | |
|   const int a[2][3] = { { 1, 2, 3 }, { 4, 5, 6 } }; | |
|   NativeArray<int[3]> b(a, 2, kReference); | |
|   EXPECT_EQ("{ { 1, 2, 3 }, { 4, 5, 6 } }", Print(b)); | |
| } | |
| 
 | |
| // Tests that a class named iterator isn't treated as a container. | |
|  | |
| struct iterator { | |
|   char x; | |
| }; | |
| 
 | |
| TEST(PrintStlContainerTest, Iterator) { | |
|   iterator it = {}; | |
|   EXPECT_EQ("1-byte object <00>", Print(it)); | |
| } | |
| 
 | |
| // Tests that a class named const_iterator isn't treated as a container. | |
|  | |
| struct const_iterator { | |
|   char x; | |
| }; | |
| 
 | |
| TEST(PrintStlContainerTest, ConstIterator) { | |
|   const_iterator it = {}; | |
|   EXPECT_EQ("1-byte object <00>", Print(it)); | |
| } | |
| 
 | |
| #if GTEST_HAS_TR1_TUPLE | |
| // Tests printing tuples. | |
|  | |
| // Tuples of various arities. | |
| TEST(PrintTupleTest, VariousSizes) { | |
|   tuple<> t0; | |
|   EXPECT_EQ("()", Print(t0)); | |
| 
 | |
|   tuple<int> t1(5); | |
|   EXPECT_EQ("(5)", Print(t1)); | |
| 
 | |
|   tuple<char, bool> t2('a', true); | |
|   EXPECT_EQ("('a' (97, 0x61), true)", Print(t2)); | |
| 
 | |
|   tuple<bool, int, int> t3(false, 2, 3); | |
|   EXPECT_EQ("(false, 2, 3)", Print(t3)); | |
| 
 | |
|   tuple<bool, int, int, int> t4(false, 2, 3, 4); | |
|   EXPECT_EQ("(false, 2, 3, 4)", Print(t4)); | |
| 
 | |
|   tuple<bool, int, int, int, bool> t5(false, 2, 3, 4, true); | |
|   EXPECT_EQ("(false, 2, 3, 4, true)", Print(t5)); | |
| 
 | |
|   tuple<bool, int, int, int, bool, int> t6(false, 2, 3, 4, true, 6); | |
|   EXPECT_EQ("(false, 2, 3, 4, true, 6)", Print(t6)); | |
| 
 | |
|   tuple<bool, int, int, int, bool, int, int> t7(false, 2, 3, 4, true, 6, 7); | |
|   EXPECT_EQ("(false, 2, 3, 4, true, 6, 7)", Print(t7)); | |
| 
 | |
|   tuple<bool, int, int, int, bool, int, int, bool> t8( | |
|       false, 2, 3, 4, true, 6, 7, true); | |
|   EXPECT_EQ("(false, 2, 3, 4, true, 6, 7, true)", Print(t8)); | |
| 
 | |
|   tuple<bool, int, int, int, bool, int, int, bool, int> t9( | |
|       false, 2, 3, 4, true, 6, 7, true, 9); | |
|   EXPECT_EQ("(false, 2, 3, 4, true, 6, 7, true, 9)", Print(t9)); | |
| 
 | |
|   const char* const str = "8"; | |
|   tuple<bool, char, short, testing::internal::Int32,  // NOLINT | |
|       testing::internal::Int64, float, double, const char*, void*, string> | |
|       t10(false, 'a', 3, 4, 5, 1.5F, -2.5, str, NULL, "10"); | |
|   EXPECT_EQ("(false, 'a' (97, 0x61), 3, 4, 5, 1.5, -2.5, " + PrintPointer(str) + | |
|             " pointing to \"8\", NULL, \"10\")", | |
|             Print(t10)); | |
| } | |
| 
 | |
| // Nested tuples. | |
| TEST(PrintTupleTest, NestedTuple) { | |
|   tuple<tuple<int, bool>, char> nested(make_tuple(5, true), 'a'); | |
|   EXPECT_EQ("((5, true), 'a' (97, 0x61))", Print(nested)); | |
| } | |
| 
 | |
| #endif  // GTEST_HAS_TR1_TUPLE | |
|  | |
| // Tests printing user-defined unprintable types. | |
|  | |
| // Unprintable types in the global namespace. | |
| TEST(PrintUnprintableTypeTest, InGlobalNamespace) { | |
|   EXPECT_EQ("1-byte object <00>", | |
|             Print(UnprintableTemplateInGlobal<char>())); | |
| } | |
| 
 | |
| // Unprintable types in a user namespace. | |
| TEST(PrintUnprintableTypeTest, InUserNamespace) { | |
|   EXPECT_EQ("16-byte object <EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>", | |
|             Print(::foo::UnprintableInFoo())); | |
| } | |
| 
 | |
| // Unprintable types are that too big to be printed completely. | |
|  | |
| struct Big { | |
|   Big() { memset(array, 0, sizeof(array)); } | |
|   char array[257]; | |
| }; | |
| 
 | |
| TEST(PrintUnpritableTypeTest, BigObject) { | |
|   EXPECT_EQ("257-byte object <00-00 00-00 00-00 00-00 00-00 00-00 " | |
|             "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 " | |
|             "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 " | |
|             "00-00 00-00 00-00 00-00 00-00 00-00 ... 00-00 00-00 00-00 " | |
|             "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 " | |
|             "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 " | |
|             "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00>", | |
|             Print(Big())); | |
| } | |
| 
 | |
| // Tests printing user-defined streamable types. | |
|  | |
| // Streamable types in the global namespace. | |
| TEST(PrintStreamableTypeTest, InGlobalNamespace) { | |
|   StreamableInGlobal x; | |
|   EXPECT_EQ("StreamableInGlobal", Print(x)); | |
|   EXPECT_EQ("StreamableInGlobal*", Print(&x)); | |
| } | |
| 
 | |
| // Printable template types in a user namespace. | |
| TEST(PrintStreamableTypeTest, TemplateTypeInUserNamespace) { | |
|   EXPECT_EQ("StreamableTemplateInFoo: 0", | |
|             Print(::foo::StreamableTemplateInFoo<int>())); | |
| } | |
| 
 | |
| // Tests printing user-defined types that have a PrintTo() function. | |
| TEST(PrintPrintableTypeTest, InUserNamespace) { | |
|   EXPECT_EQ("PrintableViaPrintTo: 0", | |
|             Print(::foo::PrintableViaPrintTo())); | |
| } | |
| 
 | |
| // Tests printing a pointer to a user-defined type that has a << | |
| // operator for its pointer. | |
| TEST(PrintPrintableTypeTest, PointerInUserNamespace) { | |
|   ::foo::PointerPrintable x; | |
|   EXPECT_EQ("PointerPrintable*", Print(&x)); | |
| } | |
| 
 | |
| // Tests printing user-defined class template that have a PrintTo() function. | |
| TEST(PrintPrintableTypeTest, TemplateInUserNamespace) { | |
|   EXPECT_EQ("PrintableViaPrintToTemplate: 5", | |
|             Print(::foo::PrintableViaPrintToTemplate<int>(5))); | |
| } | |
| 
 | |
| #if GTEST_HAS_PROTOBUF_ | |
|  | |
| // Tests printing a protocol message. | |
| TEST(PrintProtocolMessageTest, PrintsShortDebugString) { | |
|   testing::internal::TestMessage msg; | |
|   msg.set_member("yes"); | |
|   EXPECT_EQ("<member:\"yes\">", Print(msg)); | |
| } | |
| 
 | |
| // Tests printing a short proto2 message. | |
| TEST(PrintProto2MessageTest, PrintsShortDebugStringWhenItIsShort) { | |
|   testing::internal::FooMessage msg; | |
|   msg.set_int_field(2); | |
|   msg.set_string_field("hello"); | |
|   EXPECT_PRED2(RE::FullMatch, Print(msg), | |
|                "<int_field:\\s*2\\s+string_field:\\s*\"hello\">"); | |
| } | |
| 
 | |
| // Tests printing a long proto2 message. | |
| TEST(PrintProto2MessageTest, PrintsDebugStringWhenItIsLong) { | |
|   testing::internal::FooMessage msg; | |
|   msg.set_int_field(2); | |
|   msg.set_string_field("hello"); | |
|   msg.add_names("peter"); | |
|   msg.add_names("paul"); | |
|   msg.add_names("mary"); | |
|   EXPECT_PRED2(RE::FullMatch, Print(msg), | |
|                "<\n" | |
|                "int_field:\\s*2\n" | |
|                "string_field:\\s*\"hello\"\n" | |
|                "names:\\s*\"peter\"\n" | |
|                "names:\\s*\"paul\"\n" | |
|                "names:\\s*\"mary\"\n" | |
|                ">"); | |
| } | |
| 
 | |
| #endif  // GTEST_HAS_PROTOBUF_ | |
|  | |
| // Tests that the universal printer prints both the address and the | |
| // value of a reference. | |
| TEST(PrintReferenceTest, PrintsAddressAndValue) { | |
|   int n = 5; | |
|   EXPECT_EQ("@" + PrintPointer(&n) + " 5", PrintByRef(n)); | |
| 
 | |
|   int a[2][3] = { | |
|     { 0, 1, 2 }, | |
|     { 3, 4, 5 } | |
|   }; | |
|   EXPECT_EQ("@" + PrintPointer(a) + " { { 0, 1, 2 }, { 3, 4, 5 } }", | |
|             PrintByRef(a)); | |
| 
 | |
|   const ::foo::UnprintableInFoo x; | |
|   EXPECT_EQ("@" + PrintPointer(&x) + " 16-byte object " | |
|             "<EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>", | |
|             PrintByRef(x)); | |
| } | |
| 
 | |
| // Tests that the universal printer prints a function pointer passed by | |
| // reference. | |
| TEST(PrintReferenceTest, HandlesFunctionPointer) { | |
|   void (*fp)(int n) = &MyFunction; | |
|   const string fp_pointer_string = | |
|       PrintPointer(reinterpret_cast<const void*>(&fp)); | |
|   // We cannot directly cast &MyFunction to const void* because the | |
|   // standard disallows casting between pointers to functions and | |
|   // pointers to objects, and some compilers (e.g. GCC 3.4) enforce | |
|   // this limitation. | |
|   const string fp_string = PrintPointer(reinterpret_cast<const void*>( | |
|       reinterpret_cast<internal::BiggestInt>(fp))); | |
|   EXPECT_EQ("@" + fp_pointer_string + " " + fp_string, | |
|             PrintByRef(fp)); | |
| } | |
| 
 | |
| // Tests that the universal printer prints a member function pointer | |
| // passed by reference. | |
| TEST(PrintReferenceTest, HandlesMemberFunctionPointer) { | |
|   int (Foo::*p)(char ch) = &Foo::MyMethod; | |
|   EXPECT_TRUE(HasPrefix( | |
|       PrintByRef(p), | |
|       "@" + PrintPointer(reinterpret_cast<const void*>(&p)) + " " + | |
|           Print(sizeof(p)) + "-byte object ")); | |
| 
 | |
|   char (Foo::*p2)(int n) = &Foo::MyVirtualMethod; | |
|   EXPECT_TRUE(HasPrefix( | |
|       PrintByRef(p2), | |
|       "@" + PrintPointer(reinterpret_cast<const void*>(&p2)) + " " + | |
|           Print(sizeof(p2)) + "-byte object ")); | |
| } | |
| 
 | |
| // Tests that the universal printer prints a member variable pointer | |
| // passed by reference. | |
| TEST(PrintReferenceTest, HandlesMemberVariablePointer) { | |
|   int (Foo::*p) = &Foo::value;  // NOLINT | |
|   EXPECT_TRUE(HasPrefix( | |
|       PrintByRef(p), | |
|       "@" + PrintPointer(&p) + " " + Print(sizeof(p)) + "-byte object ")); | |
| } | |
| 
 | |
| // Useful for testing PrintToString().  We cannot use EXPECT_EQ() | |
| // there as its implementation uses PrintToString().  The caller must | |
| // ensure that 'value' has no side effect. | |
| #define EXPECT_PRINT_TO_STRING_(value, expected_string)         \ | |
|   EXPECT_TRUE(PrintToString(value) == (expected_string))        \ | |
|       << " where " #value " prints as " << (PrintToString(value)) | |
|  | |
| TEST(PrintToStringTest, WorksForScalar) { | |
|   EXPECT_PRINT_TO_STRING_(123, "123"); | |
| } | |
| 
 | |
| TEST(PrintToStringTest, WorksForPointerToConstChar) { | |
|   const char* p = "hello"; | |
|   EXPECT_PRINT_TO_STRING_(p, "\"hello\""); | |
| } | |
| 
 | |
| TEST(PrintToStringTest, WorksForPointerToNonConstChar) { | |
|   char s[] = "hello"; | |
|   char* p = s; | |
|   EXPECT_PRINT_TO_STRING_(p, "\"hello\""); | |
| } | |
| 
 | |
| TEST(PrintToStringTest, WorksForArray) { | |
|   int n[3] = { 1, 2, 3 }; | |
|   EXPECT_PRINT_TO_STRING_(n, "{ 1, 2, 3 }"); | |
| } | |
| 
 | |
| #undef EXPECT_PRINT_TO_STRING_ | |
|  | |
| TEST(UniversalTersePrintTest, WorksForNonReference) { | |
|   ::std::stringstream ss; | |
|   UniversalTersePrint(123, &ss); | |
|   EXPECT_EQ("123", ss.str()); | |
| } | |
| 
 | |
| TEST(UniversalTersePrintTest, WorksForReference) { | |
|   const int& n = 123; | |
|   ::std::stringstream ss; | |
|   UniversalTersePrint(n, &ss); | |
|   EXPECT_EQ("123", ss.str()); | |
| } | |
| 
 | |
| TEST(UniversalTersePrintTest, WorksForCString) { | |
|   const char* s1 = "abc"; | |
|   ::std::stringstream ss1; | |
|   UniversalTersePrint(s1, &ss1); | |
|   EXPECT_EQ("\"abc\"", ss1.str()); | |
| 
 | |
|   char* s2 = const_cast<char*>(s1); | |
|   ::std::stringstream ss2; | |
|   UniversalTersePrint(s2, &ss2); | |
|   EXPECT_EQ("\"abc\"", ss2.str()); | |
| 
 | |
|   const char* s3 = NULL; | |
|   ::std::stringstream ss3; | |
|   UniversalTersePrint(s3, &ss3); | |
|   EXPECT_EQ("NULL", ss3.str()); | |
| } | |
| 
 | |
| TEST(UniversalPrintTest, WorksForNonReference) { | |
|   ::std::stringstream ss; | |
|   UniversalPrint(123, &ss); | |
|   EXPECT_EQ("123", ss.str()); | |
| } | |
| 
 | |
| TEST(UniversalPrintTest, WorksForReference) { | |
|   const int& n = 123; | |
|   ::std::stringstream ss; | |
|   UniversalPrint(n, &ss); | |
|   EXPECT_EQ("123", ss.str()); | |
| } | |
| 
 | |
| TEST(UniversalPrintTest, WorksForCString) { | |
|   const char* s1 = "abc"; | |
|   ::std::stringstream ss1; | |
|   UniversalPrint(s1, &ss1); | |
|   EXPECT_EQ(PrintPointer(s1) + " pointing to \"abc\"", string(ss1.str())); | |
| 
 | |
|   char* s2 = const_cast<char*>(s1); | |
|   ::std::stringstream ss2; | |
|   UniversalPrint(s2, &ss2); | |
|   EXPECT_EQ(PrintPointer(s2) + " pointing to \"abc\"", string(ss2.str())); | |
| 
 | |
|   const char* s3 = NULL; | |
|   ::std::stringstream ss3; | |
|   UniversalPrint(s3, &ss3); | |
|   EXPECT_EQ("NULL", ss3.str()); | |
| } | |
| 
 | |
| 
 | |
| #if GTEST_HAS_TR1_TUPLE | |
|  | |
| TEST(UniversalTersePrintTupleFieldsToStringsTest, PrintsEmptyTuple) { | |
|   Strings result = UniversalTersePrintTupleFieldsToStrings(make_tuple()); | |
|   EXPECT_EQ(0u, result.size()); | |
| } | |
| 
 | |
| TEST(UniversalTersePrintTupleFieldsToStringsTest, PrintsOneTuple) { | |
|   Strings result = UniversalTersePrintTupleFieldsToStrings(make_tuple(1)); | |
|   ASSERT_EQ(1u, result.size()); | |
|   EXPECT_EQ("1", result[0]); | |
| } | |
| 
 | |
| TEST(UniversalTersePrintTupleFieldsToStringsTest, PrintsTwoTuple) { | |
|   Strings result = UniversalTersePrintTupleFieldsToStrings(make_tuple(1, 'a')); | |
|   ASSERT_EQ(2u, result.size()); | |
|   EXPECT_EQ("1", result[0]); | |
|   EXPECT_EQ("'a' (97, 0x61)", result[1]); | |
| } | |
| 
 | |
| TEST(UniversalTersePrintTupleFieldsToStringsTest, PrintsTersely) { | |
|   const int n = 1; | |
|   Strings result = UniversalTersePrintTupleFieldsToStrings( | |
|       tuple<const int&, const char*>(n, "a")); | |
|   ASSERT_EQ(2u, result.size()); | |
|   EXPECT_EQ("1", result[0]); | |
|   EXPECT_EQ("\"a\"", result[1]); | |
| } | |
| 
 | |
| #endif  // GTEST_HAS_TR1_TUPLE | |
|  | |
| }  // namespace gtest_printers_test | |
| }  // namespace testing
 |