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-rw-r--r--googletest/test/googletest-printers-test.cc332
1 files changed, 102 insertions, 230 deletions
diff --git a/googletest/test/googletest-printers-test.cc b/googletest/test/googletest-printers-test.cc
index ea8369d27e50..4bdc9adde9e0 100644
--- a/googletest/test/googletest-printers-test.cc
+++ b/googletest/test/googletest-printers-test.cc
@@ -37,29 +37,20 @@
#include <string.h>
#include <algorithm>
#include <deque>
+#include <forward_list>
#include <list>
#include <map>
#include <set>
#include <sstream>
#include <string>
+#include <unordered_map>
+#include <unordered_set>
#include <utility>
#include <vector>
#include "gtest/gtest-printers.h"
#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.
@@ -192,8 +183,14 @@ class PathLike {
public:
struct iterator {
typedef PathLike value_type;
+
+ iterator& operator++();
+ PathLike& operator*();
};
+ using value_type = char;
+ using const_iterator = iterator;
+
PathLike() {}
iterator begin() const { return iterator(); }
@@ -228,9 +225,7 @@ 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.
@@ -405,7 +400,7 @@ TEST(PrintCStringTest, NonConst) {
// NULL C string.
TEST(PrintCStringTest, Null) {
- const char* p = NULL;
+ const char* p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -440,7 +435,7 @@ TEST(PrintWideCStringTest, NonConst) {
// NULL wide C string.
TEST(PrintWideCStringTest, Null) {
- const wchar_t* p = NULL;
+ const wchar_t* p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -460,7 +455,7 @@ TEST(PrintWideCStringTest, EscapesProperly) {
TEST(PrintCharPointerTest, SignedChar) {
signed char* p = reinterpret_cast<signed char*>(0x1234);
EXPECT_EQ(PrintPointer(p), Print(p));
- p = NULL;
+ p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -468,7 +463,7 @@ TEST(PrintCharPointerTest, SignedChar) {
TEST(PrintCharPointerTest, ConstSignedChar) {
signed char* p = reinterpret_cast<signed char*>(0x1234);
EXPECT_EQ(PrintPointer(p), Print(p));
- p = NULL;
+ p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -476,7 +471,7 @@ TEST(PrintCharPointerTest, ConstSignedChar) {
TEST(PrintCharPointerTest, UnsignedChar) {
unsigned char* p = reinterpret_cast<unsigned char*>(0x1234);
EXPECT_EQ(PrintPointer(p), Print(p));
- p = NULL;
+ p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -484,7 +479,7 @@ TEST(PrintCharPointerTest, UnsignedChar) {
TEST(PrintCharPointerTest, ConstUnsignedChar) {
const unsigned char* p = reinterpret_cast<const unsigned char*>(0x1234);
EXPECT_EQ(PrintPointer(p), Print(p));
- p = NULL;
+ p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -494,7 +489,7 @@ TEST(PrintCharPointerTest, ConstUnsignedChar) {
TEST(PrintPointerToBuiltInTypeTest, Bool) {
bool* p = reinterpret_cast<bool*>(0xABCD);
EXPECT_EQ(PrintPointer(p), Print(p));
- p = NULL;
+ p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -502,7 +497,7 @@ TEST(PrintPointerToBuiltInTypeTest, Bool) {
TEST(PrintPointerToBuiltInTypeTest, Void) {
void* p = reinterpret_cast<void*>(0xABCD);
EXPECT_EQ(PrintPointer(p), Print(p));
- p = NULL;
+ p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -510,7 +505,7 @@ TEST(PrintPointerToBuiltInTypeTest, Void) {
TEST(PrintPointerToBuiltInTypeTest, ConstVoid) {
const void* p = reinterpret_cast<const void*>(0xABCD);
EXPECT_EQ(PrintPointer(p), Print(p));
- p = NULL;
+ p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -518,7 +513,7 @@ TEST(PrintPointerToBuiltInTypeTest, ConstVoid) {
TEST(PrintPointerToPointerTest, IntPointerPointer) {
int** p = reinterpret_cast<int**>(0xABCD);
EXPECT_EQ(PrintPointer(p), Print(p));
- p = NULL;
+ p = nullptr;
EXPECT_EQ("NULL", Print(p));
}
@@ -661,16 +656,6 @@ TEST(PrintArrayTest, BigArray) {
// 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";
@@ -693,19 +678,7 @@ TEST(PrintStringTest, StringAmbiguousHex) {
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
-
+// Tests printing ::std::wstring.
#if GTEST_HAS_STD_WSTRING
// ::std::wstring.
TEST(PrintWideStringTest, StringInStdNamespace) {
@@ -816,7 +789,6 @@ TEST(PrintStlContainerTest, NonEmptyDeque) {
EXPECT_EQ("{ 1, 3 }", Print(non_empty));
}
-#if GTEST_HAS_UNORDERED_MAP_
TEST(PrintStlContainerTest, OneElementHashMap) {
::std::unordered_map<int, char> map1;
@@ -836,9 +808,7 @@ TEST(PrintStlContainerTest, HashMultiMap) {
<< " where Print(map1) returns \"" << result << "\".";
}
-#endif // GTEST_HAS_UNORDERED_MAP_
-#if GTEST_HAS_UNORDERED_SET_
TEST(PrintStlContainerTest, HashSet) {
::std::unordered_set<int> set1;
@@ -875,7 +845,6 @@ TEST(PrintStlContainerTest, HashMultiSet) {
EXPECT_TRUE(std::equal(a, a + kSize, numbers.begin()));
}
-#endif // GTEST_HAS_UNORDERED_SET_
TEST(PrintStlContainerTest, List) {
const std::string a[] = {"hello", "world"};
@@ -917,14 +886,12 @@ TEST(PrintStlContainerTest, MultiSet) {
EXPECT_EQ("{ 1, 1, 1, 2, 5 }", Print(set1));
}
-#if GTEST_HAS_STD_FORWARD_LIST_
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);
@@ -991,67 +958,6 @@ TEST(PrintStlContainerTest, ConstIterator) {
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.
@@ -1071,32 +977,12 @@ TEST(PrintStdTupleTest, VariousSizes) {
::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");
+ nullptr, "10");
EXPECT_EQ("(false, 'a' (97, 0x61), 3, 4, 5, 1.5, -2.5, " + PrintPointer(str) +
" pointing to \"8\", NULL, \"10\")",
Print(t10));
@@ -1109,13 +995,27 @@ TEST(PrintStdTupleTest, NestedTuple) {
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
+
+TEST(PrintReferenceWrapper, Printable) {
+ int x = 5;
+ EXPECT_EQ("@" + PrintPointer(&x) + " 5", Print(std::ref(x)));
+ EXPECT_EQ("@" + PrintPointer(&x) + " 5", Print(std::cref(x)));
+}
+
+TEST(PrintReferenceWrapper, Unprintable) {
+ ::foo::UnprintableInFoo up;
+ EXPECT_EQ(
+ "@" + PrintPointer(&up) +
+ " 16-byte object <EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>",
+ Print(std::ref(up)));
+ EXPECT_EQ(
+ "@" + PrintPointer(&up) +
+ " 16-byte object <EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>",
+ Print(std::cref(up)));
+}
// Tests printing user-defined unprintable types.
@@ -1321,21 +1221,6 @@ TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsPointer) {
// 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";
@@ -1349,21 +1234,6 @@ TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsStdString) {
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) {
@@ -1386,7 +1256,7 @@ TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsStdWString) {
// char array vs pointer
TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsPointer) {
char str[] = "hi \"world\"";
- char* p = NULL;
+ char* p = nullptr;
EXPECT_EQ(PrintPointer(str),
FormatForComparisonFailureMessage(str, p).c_str());
}
@@ -1401,7 +1271,7 @@ TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsCharArray) {
// wchar_t array vs pointer
TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsPointer) {
wchar_t str[] = L"hi \"world\"";
- wchar_t* p = NULL;
+ wchar_t* p = nullptr;
EXPECT_EQ(PrintPointer(str),
FormatForComparisonFailureMessage(str, p).c_str());
}
@@ -1416,16 +1286,6 @@ TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsWCharArray) {
// 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\"";
@@ -1433,15 +1293,6 @@ TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsStdString) {
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) {
@@ -1602,7 +1453,7 @@ TEST(UniversalTersePrintTest, WorksForCString) {
UniversalTersePrint(s2, &ss2);
EXPECT_EQ("\"abc\"", ss2.str());
- const char* s3 = NULL;
+ const char* s3 = nullptr;
::std::stringstream ss3;
UniversalTersePrint(s3, &ss3);
EXPECT_EQ("NULL", ss3.str());
@@ -1632,7 +1483,7 @@ TEST(UniversalPrintTest, WorksForCString) {
UniversalPrint(s2, &ss2);
EXPECT_EQ(PrintPointer(s2) + " pointing to \"abc\"", std::string(ss2.str()));
- const char* s3 = NULL;
+ const char* s3 = nullptr;
::std::stringstream ss3;
UniversalPrint(s3, &ss3);
EXPECT_EQ("NULL", ss3.str());
@@ -1650,42 +1501,6 @@ TEST(UniversalPrintTest, WorksForCharArray) {
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());
@@ -1715,8 +1530,6 @@ TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsTersely) {
EXPECT_EQ("\"a\"", result[1]);
}
-#endif // GTEST_HAS_STD_TUPLE_
-
#if GTEST_HAS_ABSL
TEST(PrintOptionalTest, Basic) {
@@ -1743,6 +1556,65 @@ TEST(PrintOneofTest, Basic) {
PrintToString(Type(NonPrintable{})));
}
#endif // GTEST_HAS_ABSL
+namespace {
+class string_ref;
+
+/**
+ * This is a synthetic pointer to a fixed size string.
+ */
+class string_ptr {
+ public:
+ string_ptr(const char* data, size_t size) : data_(data), size_(size) {}
+
+ string_ptr& operator++() noexcept {
+ data_ += size_;
+ return *this;
+ }
+
+ string_ref operator*() const noexcept;
+
+ private:
+ const char* data_;
+ size_t size_;
+};
+
+/**
+ * This is a synthetic reference of a fixed size string.
+ */
+class string_ref {
+ public:
+ string_ref(const char* data, size_t size) : data_(data), size_(size) {}
+
+ string_ptr operator&() const noexcept { return {data_, size_}; } // NOLINT
+
+ bool operator==(const char* s) const noexcept {
+ if (size_ > 0 && data_[size_ - 1] != 0) {
+ return std::string(data_, size_) == std::string(s);
+ } else {
+ return std::string(data_) == std::string(s);
+ }
+ }
+
+ private:
+ const char* data_;
+ size_t size_;
+};
+
+string_ref string_ptr::operator*() const noexcept { return {data_, size_}; }
+
+TEST(string_ref, compare) {
+ const char* s = "alex\0davidjohn\0";
+ string_ptr ptr(s, 5);
+ EXPECT_EQ(*ptr, "alex");
+ EXPECT_TRUE(*ptr == "alex");
+ ++ptr;
+ EXPECT_EQ(*ptr, "david");
+ EXPECT_TRUE(*ptr == "david");
+ ++ptr;
+ EXPECT_EQ(*ptr, "john");
+}
+
+} // namespace
} // namespace gtest_printers_test
} // namespace testing