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Diffstat (limited to 'gtest-1.6.0/test/gtest-printers_test.cc')
| -rw-r--r-- | gtest-1.6.0/test/gtest-printers_test.cc | 2614 |
1 files changed, 1307 insertions, 1307 deletions
diff --git a/gtest-1.6.0/test/gtest-printers_test.cc b/gtest-1.6.0/test/gtest-printers_test.cc index 6292c7f..84968e8 100644 --- a/gtest-1.6.0/test/gtest-printers_test.cc +++ b/gtest-1.6.0/test/gtest-printers_test.cc @@ -1,1307 +1,1307 @@ -// 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 +// 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
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