The Tor Browser: comparison media/webrtc/trunk/testing/gtest/test/gtest-printers

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+// Copyright 2007, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Author: wan@google.com (Zhanyong Wan)
+// Google Test - The Google C++ Testing Framework
+//
+// This file tests the universal value printer.
+#include "gtest/gtest-printers.h"
+#include <ctype.h>
+#include <limits.h>
+#include <string.h>
+#include <algorithm>
+#include <deque>
+#include <list>
+#include <map>
+#include <set>
+#include <sstream>
+#include <string>
+#include <utility>
+#include <vector>
+#include "gtest/gtest.h"
+// hash_map and hash_set are available under Visual C++.
+#if _MSC_VER
+# define GTEST_HAS_HASH_MAP_ 1  // Indicates that hash_map is available.
+# include <hash_map>            // NOLINT
+# define GTEST_HAS_HASH_SET_ 1  // Indicates that hash_set is available.
+# include <hash_set>            // NOLINT
+#endif  // GTEST_OS_WINDOWS
+// Some user-defined types for testing the universal value printer.
+// An anonymous enum type.
+enum AnonymousEnum {
+kAE1 = -1,
+kAE2 = 1
+};
+// An enum without a user-defined printer.
+enum EnumWithoutPrinter {
+kEWP1 = -2,
+kEWP2 = 42
+};
+// An enum with a << operator.
+enum EnumWithStreaming {
+kEWS1 = 10
+};
+std::ostream& operator<<(std::ostream& os, EnumWithStreaming e) {
+return os << (e == kEWS1 ? "kEWS1" : "invalid");
+}
+// An enum with a PrintTo() function.
+enum EnumWithPrintTo {
+kEWPT1 = 1
+};
+void PrintTo(EnumWithPrintTo e, std::ostream* os) {
+*os << (e == kEWPT1 ? "kEWPT1" : "invalid");
+}
+// A class implicitly convertible to BiggestInt.
+class BiggestIntConvertible {
+public:
+operator ::testing::internal::BiggestInt() const { return 42; }
+};
+// A user-defined unprintable class template in the global namespace.
+template <typename T>
+class UnprintableTemplateInGlobal {
+public:
+UnprintableTemplateInGlobal() : value_() {}
+private:
+T value_;
+};
+// A user-defined streamable type in the global namespace.
+class StreamableInGlobal {
+public:
+virtual ~StreamableInGlobal() {}
+};
+inline void operator<<(::std::ostream& os, const StreamableInGlobal& /* x */) {
+os << "StreamableInGlobal";
+}
+void operator<<(::std::ostream& os, const StreamableInGlobal* /* x */) {
+os << "StreamableInGlobal*";
+}
+namespace foo {
+// A user-defined unprintable type in a user namespace.
+class UnprintableInFoo {
+public:
+UnprintableInFoo() : z_(0) { memcpy(xy_, "\xEF\x12\x0\x0\x34\xAB\x0\x0", 8); }
+private:
+char xy_[8];
+double z_;
+};
+// A user-defined printable type in a user-chosen namespace.
+struct PrintableViaPrintTo {
+PrintableViaPrintTo() : value() {}
+int value;
+};
+void PrintTo(const PrintableViaPrintTo& x, ::std::ostream* os) {
+*os << "PrintableViaPrintTo: " << x.value;
+}
+// A type with a user-defined << for printing its pointer.
+struct PointerPrintable {
+};
+::std::ostream& operator<<(::std::ostream& os,
+const PointerPrintable* /* x */) {
+return os << "PointerPrintable*";
+}
+// A user-defined printable class template in a user-chosen namespace.
+template <typename T>
+class PrintableViaPrintToTemplate {
+public:
+explicit PrintableViaPrintToTemplate(const T& a_value) : value_(a_value) {}
+const T& value() const { return value_; }
+private:
+T value_;
+};
+template <typename T>
+void PrintTo(const PrintableViaPrintToTemplate<T>& x, ::std::ostream* os) {
+*os << "PrintableViaPrintToTemplate: " << x.value();
+}
+// A user-defined streamable class template in a user namespace.
+template <typename T>
+class StreamableTemplateInFoo {
+public:
+StreamableTemplateInFoo() : value_() {}
+const T& value() const { return value_; }
+private:
+T value_;
+};
+template <typename T>
+inline ::std::ostream& operator<<(::std::ostream& os,
+const StreamableTemplateInFoo<T>& x) {
+return os << "StreamableTemplateInFoo: " << x.value();
+}
+}  // namespace foo
+namespace testing {
+namespace gtest_printers_test {
+using ::std::deque;
+using ::std::list;
+using ::std::make_pair;
+using ::std::map;
+using ::std::multimap;
+using ::std::multiset;
+using ::std::pair;
+using ::std::set;
+using ::std::vector;
+using ::testing::PrintToString;
+using ::testing::internal::FormatForComparisonFailureMessage;
+using ::testing::internal::ImplicitCast_;
+using ::testing::internal::NativeArray;
+using ::testing::internal::RE;
+using ::testing::internal::Strings;
+using ::testing::internal::UniversalPrint;
+using ::testing::internal::UniversalPrinter;
+using ::testing::internal::UniversalTersePrint;
+using ::testing::internal::UniversalTersePrintTupleFieldsToStrings;
+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 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) {
+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_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_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";
+// VC++ 2010's implementation of tuple of C++0x is deficient, requiring
+// an explicit type cast of NULL to be used.
+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,
+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(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 "));
+}
+// 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 comparision 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\"");
+}
+#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());
+}
+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(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

The Tor Browser / file comparison

comparison: media/webrtc/trunk/testing/gtest/test/gtest-printers_test.cc

media/webrtc/trunk/testing/gtest/test/gtest-printers_test.cc