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Diffstat (limited to 'third_party/googletest/googletest/test/gtest-printers_test.cc')
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1 files changed, 0 insertions, 1737 deletions
diff --git a/third_party/googletest/googletest/test/gtest-printers_test.cc b/third_party/googletest/googletest/test/gtest-printers_test.cc deleted file mode 100644 index 49b3bd4..0000000 --- a/third_party/googletest/googletest/test/gtest-printers_test.cc +++ /dev/null @@ -1,1737 +0,0 @@ -// 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 and Mocking 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" - -#if GTEST_HAS_UNORDERED_MAP_ -# include <unordered_map> // NOLINT -#endif // GTEST_HAS_UNORDERED_MAP_ - -#if GTEST_HAS_UNORDERED_SET_ -# include <unordered_set> // NOLINT -#endif // GTEST_HAS_UNORDERED_SET_ - -#if GTEST_HAS_STD_FORWARD_LIST_ -# include <forward_list> // NOLINT -#endif // GTEST_HAS_STD_FORWARD_LIST_ - -// 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); } - double z() const { return z_; } - 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(); -} - -// A user-defined streamable but recursivly-defined container type in -// a user namespace, it mimics therefore std::filesystem::path or -// boost::filesystem::path. -class PathLike { - public: - struct iterator { - typedef PathLike value_type; - }; - - PathLike() {} - - iterator begin() const { return iterator(); } - iterator end() const { return iterator(); } - - friend ::std::ostream& operator<<(::std::ostream& os, const PathLike&) { - return os << "Streamable-PathLike"; - } -}; - -} // 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::FormatForComparisonFailureMessage; -using ::testing::internal::ImplicitCast_; -using ::testing::internal::NativeArray; -using ::testing::internal::RE; -using ::testing::internal::RelationToSourceReference; -using ::testing::internal::Strings; -using ::testing::internal::UniversalPrint; -using ::testing::internal::UniversalPrinter; -using ::testing::internal::UniversalTersePrint; -#if GTEST_HAS_TR1_TUPLE || GTEST_HAS_STD_TUPLE_ -using ::testing::internal::UniversalTersePrintTupleFieldsToStrings; -#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> -std::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> -std::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 std::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> -std::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 without terminating NUL. -TEST(PrintArrayTest, CharArrayWithNoTerminatingNul) { - // Array a contains '\0' in the middle and doesn't end with '\0'. - char a[] = { 'H', '\0', 'i' }; - EXPECT_EQ("\"H\\0i\" (no terminating NUL)", PrintArrayHelper(a)); -} - -// const char array with terminating NUL. -TEST(PrintArrayTest, ConstCharArrayWithTerminatingNul) { - const char a[] = "\0Hi"; - EXPECT_EQ("\"\\0Hi\"", PrintArrayHelper(a)); -} - -// const wchar_t array without terminating NUL. -TEST(PrintArrayTest, WCharArrayWithNoTerminatingNul) { - // Array a contains '\0' in the middle and doesn't end with '\0'. - const wchar_t a[] = { L'H', L'\0', L'i' }; - EXPECT_EQ("L\"H\\0i\" (no terminating NUL)", PrintArrayHelper(a)); -} - -// wchar_t array with terminating NUL. -TEST(PrintArrayTest, WConstCharArrayWithTerminatingNul) { - const wchar_t a[] = L"\0Hi"; - EXPECT_EQ("L\"\\0Hi\"", PrintArrayHelper(a)); -} - -// Array of objects. -TEST(PrintArrayTest, ObjectArray) { - std::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_ABSL - -// Tests printing ::absl::string_view. - -TEST(PrintStringViewTest, SimpleStringView) { - const ::absl::string_view sp = "Hello"; - EXPECT_EQ("\"Hello\"", Print(sp)); -} - -TEST(PrintStringViewTest, UnprintableCharacters) { - const char str[] = "NUL (\0) and \r\t"; - const ::absl::string_view sp(str, sizeof(str) - 1); - EXPECT_EQ("\"NUL (\\0) and \\r\\t\"", Print(sp)); -} - -#endif // GTEST_HAS_ABSL - -// 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_UNORDERED_MAP_ - -TEST(PrintStlContainerTest, OneElementHashMap) { - ::std::unordered_map<int, char> map1; - map1[1] = 'a'; - EXPECT_EQ("{ (1, 'a' (97, 0x61)) }", Print(map1)); -} - -TEST(PrintStlContainerTest, HashMultiMap) { - ::std::unordered_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 std::string result = Print(map1); - EXPECT_TRUE(result == "{ (5, true), (5, false) }" || - result == "{ (5, false), (5, true) }") - << " where Print(map1) returns \"" << result << "\"."; -} - -#endif // GTEST_HAS_UNORDERED_MAP_ - -#if GTEST_HAS_UNORDERED_SET_ - -TEST(PrintStlContainerTest, HashSet) { - ::std::unordered_set<int> set1; - set1.insert(1); - EXPECT_EQ("{ 1 }", Print(set1)); -} - -TEST(PrintStlContainerTest, HashMultiSet) { - const int kSize = 5; - int a[kSize] = { 1, 1, 2, 5, 1 }; - ::std::unordered_multiset<int> set1(a, a + kSize); - - // Elements of hash_multiset can be printed in any order. - const std::string result = Print(set1); - const std::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_NE(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_UNORDERED_SET_ - -TEST(PrintStlContainerTest, List) { - const std::string a[] = {"hello", "world"}; - const list<std::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)); -} - -#if GTEST_HAS_STD_FORWARD_LIST_ -// <slist> is available on Linux in the google3 mode, but not on -// Windows or Mac OS X. - -TEST(PrintStlContainerTest, SinglyLinkedList) { - int a[] = { 9, 2, 8 }; - const std::forward_list<int> ints(a, a + 3); - EXPECT_EQ("{ 9, 2, 8 }", Print(ints)); -} -#endif // GTEST_HAS_STD_FORWARD_LIST_ - -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, RelationToSourceReference()); - 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, RelationToSourceReference()); - 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 ::std::tr1::tuples. - -// Tuples of various arities. -TEST(PrintTr1TupleTest, VariousSizes) { - ::std::tr1::tuple<> t0; - EXPECT_EQ("()", Print(t0)); - - ::std::tr1::tuple<int> t1(5); - EXPECT_EQ("(5)", Print(t1)); - - ::std::tr1::tuple<char, bool> t2('a', true); - EXPECT_EQ("('a' (97, 0x61), true)", Print(t2)); - - ::std::tr1::tuple<bool, int, int> t3(false, 2, 3); - EXPECT_EQ("(false, 2, 3)", Print(t3)); - - ::std::tr1::tuple<bool, int, int, int> t4(false, 2, 3, 4); - EXPECT_EQ("(false, 2, 3, 4)", Print(t4)); - - ::std::tr1::tuple<bool, int, int, int, bool> t5(false, 2, 3, 4, true); - EXPECT_EQ("(false, 2, 3, 4, true)", Print(t5)); - - ::std::tr1::tuple<bool, int, int, int, bool, int> t6(false, 2, 3, 4, true, 6); - EXPECT_EQ("(false, 2, 3, 4, true, 6)", Print(t6)); - - ::std::tr1::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)); - - ::std::tr1::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)); - - ::std::tr1::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"; - // VC++ 2010's implementation of tuple of C++0x is deficient, requiring - // an explicit type cast of NULL to be used. - ::std::tr1::tuple<bool, char, short, testing::internal::Int32, // NOLINT - testing::internal::Int64, float, double, const char*, void*, - std::string> - t10(false, 'a', static_cast<short>(3), 4, 5, 1.5F, -2.5, str, // NOLINT - ImplicitCast_<void*>(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(PrintTr1TupleTest, NestedTuple) { - ::std::tr1::tuple< ::std::tr1::tuple<int, bool>, char> nested( - ::std::tr1::make_tuple(5, true), 'a'); - EXPECT_EQ("((5, true), 'a' (97, 0x61))", Print(nested)); -} - -#endif // GTEST_HAS_TR1_TUPLE - -#if GTEST_HAS_STD_TUPLE_ -// Tests printing ::std::tuples. - -// Tuples of various arities. -TEST(PrintStdTupleTest, VariousSizes) { - ::std::tuple<> t0; - EXPECT_EQ("()", Print(t0)); - - ::std::tuple<int> t1(5); - EXPECT_EQ("(5)", Print(t1)); - - ::std::tuple<char, bool> t2('a', true); - EXPECT_EQ("('a' (97, 0x61), true)", Print(t2)); - - ::std::tuple<bool, int, int> t3(false, 2, 3); - EXPECT_EQ("(false, 2, 3)", Print(t3)); - - ::std::tuple<bool, int, int, int> t4(false, 2, 3, 4); - EXPECT_EQ("(false, 2, 3, 4)", Print(t4)); - - ::std::tuple<bool, int, int, int, bool> t5(false, 2, 3, 4, true); - EXPECT_EQ("(false, 2, 3, 4, true)", Print(t5)); - - ::std::tuple<bool, int, int, int, bool, int> t6(false, 2, 3, 4, true, 6); - EXPECT_EQ("(false, 2, 3, 4, true, 6)", Print(t6)); - - ::std::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)); - - ::std::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)); - - ::std::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"; - // VC++ 2010's implementation of tuple of C++0x is deficient, requiring - // an explicit type cast of NULL to be used. - ::std::tuple<bool, char, short, testing::internal::Int32, // NOLINT - testing::internal::Int64, float, double, const char*, void*, - std::string> - t10(false, 'a', static_cast<short>(3), 4, 5, 1.5F, -2.5, str, // NOLINT - ImplicitCast_<void*>(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(PrintStdTupleTest, NestedTuple) { - ::std::tuple< ::std::tuple<int, bool>, char> nested( - ::std::make_tuple(5, true), 'a'); - EXPECT_EQ("((5, true), 'a' (97, 0x61))", Print(nested)); -} - -#endif // GTEST_LANG_CXX11 - -#if GTEST_LANG_CXX11 -TEST(PrintNullptrT, Basic) { - EXPECT_EQ("(nullptr)", Print(nullptr)); -} -#endif // GTEST_LANG_CXX11 - -// 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 a user-defined recursive container type that has a << -// operator. -TEST(PrintStreamableTypeTest, PathLikeInUserNamespace) { - ::foo::PathLike x; - EXPECT_EQ("Streamable-PathLike", Print(x)); - const ::foo::PathLike cx; - EXPECT_EQ("Streamable-PathLike", Print(cx)); -} - -// 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))); -} - -// 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 std::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 std::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 ")); -} - -// Tests that FormatForComparisonFailureMessage(), which is used to print -// an operand in a comparison assertion (e.g. ASSERT_EQ) when the assertion -// fails, formats the operand in the desired way. - -// scalar -TEST(FormatForComparisonFailureMessageTest, WorksForScalar) { - EXPECT_STREQ("123", - FormatForComparisonFailureMessage(123, 124).c_str()); -} - -// non-char pointer -TEST(FormatForComparisonFailureMessageTest, WorksForNonCharPointer) { - int n = 0; - EXPECT_EQ(PrintPointer(&n), - FormatForComparisonFailureMessage(&n, &n).c_str()); -} - -// non-char array -TEST(FormatForComparisonFailureMessageTest, FormatsNonCharArrayAsPointer) { - // In expression 'array == x', 'array' is compared by pointer. - // Therefore we want to print an array operand as a pointer. - int n[] = { 1, 2, 3 }; - EXPECT_EQ(PrintPointer(n), - FormatForComparisonFailureMessage(n, n).c_str()); -} - -// Tests formatting a char pointer when it's compared with another pointer. -// In this case we want to print it as a raw pointer, as the comparison is by -// pointer. - -// char pointer vs pointer -TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsPointer) { - // In expression 'p == x', where 'p' and 'x' are (const or not) char - // pointers, the operands are compared by pointer. Therefore we - // want to print 'p' as a pointer instead of a C string (we don't - // even know if it's supposed to point to a valid C string). - - // const char* - const char* s = "hello"; - EXPECT_EQ(PrintPointer(s), - FormatForComparisonFailureMessage(s, s).c_str()); - - // char* - char ch = 'a'; - EXPECT_EQ(PrintPointer(&ch), - FormatForComparisonFailureMessage(&ch, &ch).c_str()); -} - -// wchar_t pointer vs pointer -TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsPointer) { - // In expression 'p == x', where 'p' and 'x' are (const or not) char - // pointers, the operands are compared by pointer. Therefore we - // want to print 'p' as a pointer instead of a wide C string (we don't - // even know if it's supposed to point to a valid wide C string). - - // const wchar_t* - const wchar_t* s = L"hello"; - EXPECT_EQ(PrintPointer(s), - FormatForComparisonFailureMessage(s, s).c_str()); - - // wchar_t* - wchar_t ch = L'a'; - EXPECT_EQ(PrintPointer(&ch), - FormatForComparisonFailureMessage(&ch, &ch).c_str()); -} - -// Tests formatting a char pointer when it's compared to a string object. -// In this case we want to print the char pointer as a C string. - -#if GTEST_HAS_GLOBAL_STRING -// char pointer vs ::string -TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsString) { - const char* s = "hello \"world"; - EXPECT_STREQ("\"hello \\\"world\"", // The string content should be escaped. - FormatForComparisonFailureMessage(s, ::string()).c_str()); - - // char* - char str[] = "hi\1"; - char* p = str; - EXPECT_STREQ("\"hi\\x1\"", // The string content should be escaped. - FormatForComparisonFailureMessage(p, ::string()).c_str()); -} -#endif - -// char pointer vs std::string -TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsStdString) { - const char* s = "hello \"world"; - EXPECT_STREQ("\"hello \\\"world\"", // The string content should be escaped. - FormatForComparisonFailureMessage(s, ::std::string()).c_str()); - - // char* - char str[] = "hi\1"; - char* p = str; - EXPECT_STREQ("\"hi\\x1\"", // The string content should be escaped. - FormatForComparisonFailureMessage(p, ::std::string()).c_str()); -} - -#if GTEST_HAS_GLOBAL_WSTRING -// wchar_t pointer vs ::wstring -TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsWString) { - const wchar_t* s = L"hi \"world"; - EXPECT_STREQ("L\"hi \\\"world\"", // The string content should be escaped. - FormatForComparisonFailureMessage(s, ::wstring()).c_str()); - - // wchar_t* - wchar_t str[] = L"hi\1"; - wchar_t* p = str; - EXPECT_STREQ("L\"hi\\x1\"", // The string content should be escaped. - FormatForComparisonFailureMessage(p, ::wstring()).c_str()); -} -#endif - -#if GTEST_HAS_STD_WSTRING -// wchar_t pointer vs std::wstring -TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsStdWString) { - const wchar_t* s = L"hi \"world"; - EXPECT_STREQ("L\"hi \\\"world\"", // The string content should be escaped. - FormatForComparisonFailureMessage(s, ::std::wstring()).c_str()); - - // wchar_t* - wchar_t str[] = L"hi\1"; - wchar_t* p = str; - EXPECT_STREQ("L\"hi\\x1\"", // The string content should be escaped. - FormatForComparisonFailureMessage(p, ::std::wstring()).c_str()); -} -#endif - -// Tests formatting a char array when it's compared with a pointer or array. -// In this case we want to print the array as a row pointer, as the comparison -// is by pointer. - -// char array vs pointer -TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsPointer) { - char str[] = "hi \"world\""; - char* p = NULL; - EXPECT_EQ(PrintPointer(str), - FormatForComparisonFailureMessage(str, p).c_str()); -} - -// char array vs char array -TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsCharArray) { - const char str[] = "hi \"world\""; - EXPECT_EQ(PrintPointer(str), - FormatForComparisonFailureMessage(str, str).c_str()); -} - -// wchar_t array vs pointer -TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsPointer) { - wchar_t str[] = L"hi \"world\""; - wchar_t* p = NULL; - EXPECT_EQ(PrintPointer(str), - FormatForComparisonFailureMessage(str, p).c_str()); -} - -// wchar_t array vs wchar_t array -TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsWCharArray) { - const wchar_t str[] = L"hi \"world\""; - EXPECT_EQ(PrintPointer(str), - FormatForComparisonFailureMessage(str, str).c_str()); -} - -// Tests formatting a char array when it's compared with a string object. -// In this case we want to print the array as a C string. - -#if GTEST_HAS_GLOBAL_STRING -// char array vs string -TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsString) { - const char str[] = "hi \"w\0rld\""; - EXPECT_STREQ("\"hi \\\"w\"", // The content should be escaped. - // Embedded NUL terminates the string. - FormatForComparisonFailureMessage(str, ::string()).c_str()); -} -#endif - -// char array vs std::string -TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsStdString) { - const char str[] = "hi \"world\""; - EXPECT_STREQ("\"hi \\\"world\\\"\"", // The content should be escaped. - FormatForComparisonFailureMessage(str, ::std::string()).c_str()); -} - -#if GTEST_HAS_GLOBAL_WSTRING -// wchar_t array vs wstring -TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsWString) { - const wchar_t str[] = L"hi \"world\""; - EXPECT_STREQ("L\"hi \\\"world\\\"\"", // The content should be escaped. - FormatForComparisonFailureMessage(str, ::wstring()).c_str()); -} -#endif - -#if GTEST_HAS_STD_WSTRING -// wchar_t array vs std::wstring -TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsStdWString) { - const wchar_t str[] = L"hi \"w\0rld\""; - EXPECT_STREQ( - "L\"hi \\\"w\"", // The content should be escaped. - // Embedded NUL terminates the string. - FormatForComparisonFailureMessage(str, ::std::wstring()).c_str()); -} -#endif - -// 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, EscapesForPointerToConstChar) { - const char* p = "hello\n"; - EXPECT_PRINT_TO_STRING_(p, "\"hello\\n\""); -} - -TEST(PrintToStringTest, EscapesForPointerToNonConstChar) { - char s[] = "hello\1"; - char* p = s; - EXPECT_PRINT_TO_STRING_(p, "\"hello\\x1\""); -} - -TEST(PrintToStringTest, WorksForArray) { - int n[3] = { 1, 2, 3 }; - EXPECT_PRINT_TO_STRING_(n, "{ 1, 2, 3 }"); -} - -TEST(PrintToStringTest, WorksForCharArray) { - char s[] = "hello"; - EXPECT_PRINT_TO_STRING_(s, "\"hello\""); -} - -TEST(PrintToStringTest, WorksForCharArrayWithEmbeddedNul) { - const char str_with_nul[] = "hello\0 world"; - EXPECT_PRINT_TO_STRING_(str_with_nul, "\"hello\\0 world\""); - - char mutable_str_with_nul[] = "hello\0 world"; - EXPECT_PRINT_TO_STRING_(mutable_str_with_nul, "\"hello\\0 world\""); -} - - TEST(PrintToStringTest, ContainsNonLatin) { - // Sanity test with valid UTF-8. Prints both in hex and as text. - std::string non_ascii_str = ::std::string("오전 4:30"); - EXPECT_PRINT_TO_STRING_(non_ascii_str, - "\"\\xEC\\x98\\xA4\\xEC\\xA0\\x84 4:30\"\n" - " As Text: \"오전 4:30\""); - non_ascii_str = ::std::string("From ä — ẑ"); - EXPECT_PRINT_TO_STRING_(non_ascii_str, - "\"From \\xC3\\xA4 \\xE2\\x80\\x94 \\xE1\\xBA\\x91\"" - "\n As Text: \"From ä — ẑ\""); -} - -TEST(IsValidUTF8Test, IllFormedUTF8) { - // The following test strings are ill-formed UTF-8 and are printed - // as hex only (or ASCII, in case of ASCII bytes) because IsValidUTF8() is - // expected to fail, thus output does not contain "As Text:". - - static const char *const kTestdata[][2] = { - // 2-byte lead byte followed by a single-byte character. - {"\xC3\x74", "\"\\xC3t\""}, - // Valid 2-byte character followed by an orphan trail byte. - {"\xC3\x84\xA4", "\"\\xC3\\x84\\xA4\""}, - // Lead byte without trail byte. - {"abc\xC3", "\"abc\\xC3\""}, - // 3-byte lead byte, single-byte character, orphan trail byte. - {"x\xE2\x70\x94", "\"x\\xE2p\\x94\""}, - // Truncated 3-byte character. - {"\xE2\x80", "\"\\xE2\\x80\""}, - // Truncated 3-byte character followed by valid 2-byte char. - {"\xE2\x80\xC3\x84", "\"\\xE2\\x80\\xC3\\x84\""}, - // Truncated 3-byte character followed by a single-byte character. - {"\xE2\x80\x7A", "\"\\xE2\\x80z\""}, - // 3-byte lead byte followed by valid 3-byte character. - {"\xE2\xE2\x80\x94", "\"\\xE2\\xE2\\x80\\x94\""}, - // 4-byte lead byte followed by valid 3-byte character. - {"\xF0\xE2\x80\x94", "\"\\xF0\\xE2\\x80\\x94\""}, - // Truncated 4-byte character. - {"\xF0\xE2\x80", "\"\\xF0\\xE2\\x80\""}, - // Invalid UTF-8 byte sequences embedded in other chars. - {"abc\xE2\x80\x94\xC3\x74xyc", "\"abc\\xE2\\x80\\x94\\xC3txyc\""}, - {"abc\xC3\x84\xE2\x80\xC3\x84xyz", - "\"abc\\xC3\\x84\\xE2\\x80\\xC3\\x84xyz\""}, - // Non-shortest UTF-8 byte sequences are also ill-formed. - // The classics: xC0, xC1 lead byte. - {"\xC0\x80", "\"\\xC0\\x80\""}, - {"\xC1\x81", "\"\\xC1\\x81\""}, - // Non-shortest sequences. - {"\xE0\x80\x80", "\"\\xE0\\x80\\x80\""}, - {"\xf0\x80\x80\x80", "\"\\xF0\\x80\\x80\\x80\""}, - // Last valid code point before surrogate range, should be printed as text, - // too. - {"\xED\x9F\xBF", "\"\\xED\\x9F\\xBF\"\n As Text: \"\""}, - // Start of surrogate lead. Surrogates are not printed as text. - {"\xED\xA0\x80", "\"\\xED\\xA0\\x80\""}, - // Last non-private surrogate lead. - {"\xED\xAD\xBF", "\"\\xED\\xAD\\xBF\""}, - // First private-use surrogate lead. - {"\xED\xAE\x80", "\"\\xED\\xAE\\x80\""}, - // Last private-use surrogate lead. - {"\xED\xAF\xBF", "\"\\xED\\xAF\\xBF\""}, - // Mid-point of surrogate trail. - {"\xED\xB3\xBF", "\"\\xED\\xB3\\xBF\""}, - // First valid code point after surrogate range, should be printed as text, - // too. - {"\xEE\x80\x80", "\"\\xEE\\x80\\x80\"\n As Text: \"\""} - }; - - for (int i = 0; i < int(sizeof(kTestdata)/sizeof(kTestdata[0])); ++i) { - EXPECT_PRINT_TO_STRING_(kTestdata[i][0], kTestdata[i][1]); - } -} - -#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\"", std::string(ss1.str())); - - char* s2 = const_cast<char*>(s1); - ::std::stringstream ss2; - UniversalPrint(s2, &ss2); - EXPECT_EQ(PrintPointer(s2) + " pointing to \"abc\"", std::string(ss2.str())); - - const char* s3 = NULL; - ::std::stringstream ss3; - UniversalPrint(s3, &ss3); - EXPECT_EQ("NULL", ss3.str()); -} - -TEST(UniversalPrintTest, WorksForCharArray) { - const char str[] = "\"Line\0 1\"\nLine 2"; - ::std::stringstream ss1; - UniversalPrint(str, &ss1); - EXPECT_EQ("\"\\\"Line\\0 1\\\"\\nLine 2\"", ss1.str()); - - const char mutable_str[] = "\"Line\0 1\"\nLine 2"; - ::std::stringstream ss2; - UniversalPrint(mutable_str, &ss2); - EXPECT_EQ("\"\\\"Line\\0 1\\\"\\nLine 2\"", ss2.str()); -} - -#if GTEST_HAS_TR1_TUPLE - -TEST(UniversalTersePrintTupleFieldsToStringsTestWithTr1, PrintsEmptyTuple) { - Strings result = UniversalTersePrintTupleFieldsToStrings( - ::std::tr1::make_tuple()); - EXPECT_EQ(0u, result.size()); -} - -TEST(UniversalTersePrintTupleFieldsToStringsTestWithTr1, PrintsOneTuple) { - Strings result = UniversalTersePrintTupleFieldsToStrings( - ::std::tr1::make_tuple(1)); - ASSERT_EQ(1u, result.size()); - EXPECT_EQ("1", result[0]); -} - -TEST(UniversalTersePrintTupleFieldsToStringsTestWithTr1, PrintsTwoTuple) { - Strings result = UniversalTersePrintTupleFieldsToStrings( - ::std::tr1::make_tuple(1, 'a')); - ASSERT_EQ(2u, result.size()); - EXPECT_EQ("1", result[0]); - EXPECT_EQ("'a' (97, 0x61)", result[1]); -} - -TEST(UniversalTersePrintTupleFieldsToStringsTestWithTr1, PrintsTersely) { - const int n = 1; - Strings result = UniversalTersePrintTupleFieldsToStrings( - ::std::tr1::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 - -#if GTEST_HAS_STD_TUPLE_ - -TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsEmptyTuple) { - Strings result = UniversalTersePrintTupleFieldsToStrings(::std::make_tuple()); - EXPECT_EQ(0u, result.size()); -} - -TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsOneTuple) { - Strings result = UniversalTersePrintTupleFieldsToStrings( - ::std::make_tuple(1)); - ASSERT_EQ(1u, result.size()); - EXPECT_EQ("1", result[0]); -} - -TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsTwoTuple) { - Strings result = UniversalTersePrintTupleFieldsToStrings( - ::std::make_tuple(1, 'a')); - ASSERT_EQ(2u, result.size()); - EXPECT_EQ("1", result[0]); - EXPECT_EQ("'a' (97, 0x61)", result[1]); -} - -TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsTersely) { - const int n = 1; - Strings result = UniversalTersePrintTupleFieldsToStrings( - ::std::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_STD_TUPLE_ - -#if GTEST_HAS_ABSL - -TEST(PrintOptionalTest, Basic) { - absl::optional<int> value; - EXPECT_EQ("(nullopt)", PrintToString(value)); - value = {7}; - EXPECT_EQ("(7)", PrintToString(value)); - EXPECT_EQ("(1.1)", PrintToString(absl::optional<double>{1.1})); - EXPECT_EQ("(\"A\")", PrintToString(absl::optional<std::string>{"A"})); -} -#endif // GTEST_HAS_ABSL - -} // namespace gtest_printers_test -} // namespace testing |