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googletest-printers-test.cc
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1// Copyright 2007, Google Inc.
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8// * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14// * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30
31// Google Test - The Google C++ Testing and Mocking Framework
32//
33// This file tests the universal value printer.
34
35#include <ctype.h>
36#include <string.h>
37#include <algorithm>
38#include <cstdint>
39#include <deque>
40#include <forward_list>
41#include <limits>
42#include <list>
43#include <map>
44#include <set>
45#include <sstream>
46#include <string>
47#include <unordered_map>
48#include <unordered_set>
49#include <utility>
50#include <vector>
51
53#include "gtest/gtest.h"
54
55// Some user-defined types for testing the universal value printer.
56
57// An anonymous enum type.
59 kAE1 = -1,
60 kAE2 = 1
61};
62
63// An enum without a user-defined printer.
65 kEWP1 = -2,
66 kEWP2 = 42
67};
68
69// An enum with a << operator.
71 kEWS1 = 10
72};
73
74std::ostream& operator<<(std::ostream& os, EnumWithStreaming e) {
75 return os << (e == kEWS1 ? "kEWS1" : "invalid");
76}
77
78// An enum with a PrintTo() function.
80 kEWPT1 = 1
81};
82
83void PrintTo(EnumWithPrintTo e, std::ostream* os) {
84 *os << (e == kEWPT1 ? "kEWPT1" : "invalid");
85}
86
87// A class implicitly convertible to BiggestInt.
89 public:
90 operator ::testing::internal::BiggestInt() const { return 42; }
91};
92
93// A user-defined unprintable class template in the global namespace.
94template <typename T>
96 public:
98 private:
100};
101
102// A user-defined streamable type in the global namespace.
104 public:
106};
107
108inline void operator<<(::std::ostream& os, const StreamableInGlobal& /* x */) {
109 os << "StreamableInGlobal";
110}
111
112void operator<<(::std::ostream& os, const StreamableInGlobal* /* x */) {
113 os << "StreamableInGlobal*";
114}
115
116namespace foo {
117
118// A user-defined unprintable type in a user namespace.
120 public:
121 UnprintableInFoo() : z_(0) { memcpy(xy_, "\xEF\x12\x0\x0\x34\xAB\x0\x0", 8); }
122 double z() const { return z_; }
123 private:
124 char xy_[8];
125 double z_;
126};
127
128// A user-defined printable type in a user-chosen namespace.
131 int value;
132};
133
134void PrintTo(const PrintableViaPrintTo& x, ::std::ostream* os) {
135 *os << "PrintableViaPrintTo: " << x.value;
136}
137
138// A type with a user-defined << for printing its pointer.
141
142::std::ostream& operator<<(::std::ostream& os,
143 const PointerPrintable* /* x */) {
144 return os << "PointerPrintable*";
145}
146
147// A user-defined printable class template in a user-chosen namespace.
148template <typename T>
150 public:
151 explicit PrintableViaPrintToTemplate(const T& a_value) : value_(a_value) {}
152
153 const T& value() const { return value_; }
154 private:
156};
157
158template <typename T>
159void PrintTo(const PrintableViaPrintToTemplate<T>& x, ::std::ostream* os) {
160 *os << "PrintableViaPrintToTemplate: " << x.value();
161}
162
163// A user-defined streamable class template in a user namespace.
164template <typename T>
166 public:
168
169 const T& value() const { return value_; }
170 private:
172};
173
174template <typename T>
175inline ::std::ostream& operator<<(::std::ostream& os,
177 return os << "StreamableTemplateInFoo: " << x.value();
178}
179
180// A user-defined streamable but recursivly-defined container type in
181// a user namespace, it mimics therefore std::filesystem::path or
182// boost::filesystem::path.
183class PathLike {
184 public:
185 struct iterator {
187
190 };
191
192 using value_type = char;
194
196
197 iterator begin() const { return iterator(); }
198 iterator end() const { return iterator(); }
199
200 friend ::std::ostream& operator<<(::std::ostream& os, const PathLike&) {
201 return os << "Streamable-PathLike";
202 }
203};
204
205} // namespace foo
206
207namespace testing {
208namespace gtest_printers_test {
209
210using ::std::deque;
211using ::std::list;
212using ::std::make_pair;
213using ::std::map;
214using ::std::multimap;
215using ::std::multiset;
216using ::std::pair;
217using ::std::set;
218using ::std::vector;
219using ::testing::PrintToString;
220using ::testing::internal::FormatForComparisonFailureMessage;
221using ::testing::internal::ImplicitCast_;
222using ::testing::internal::NativeArray;
223using ::testing::internal::RelationToSourceReference;
224using ::testing::internal::Strings;
225using ::testing::internal::UniversalPrint;
226using ::testing::internal::UniversalPrinter;
227using ::testing::internal::UniversalTersePrint;
228using ::testing::internal::UniversalTersePrintTupleFieldsToStrings;
229
230// Prints a value to a string using the universal value printer. This
231// is a helper for testing UniversalPrinter<T>::Print() for various types.
232template <typename T>
233std::string Print(const T& value) {
234 ::std::stringstream ss;
235 UniversalPrinter<T>::Print(value, &ss);
236 return ss.str();
237}
238
239// Prints a value passed by reference to a string, using the universal
240// value printer. This is a helper for testing
241// UniversalPrinter<T&>::Print() for various types.
242template <typename T>
243std::string PrintByRef(const T& value) {
244 ::std::stringstream ss;
245 UniversalPrinter<T&>::Print(value, &ss);
246 return ss.str();
247}
248
249// Tests printing various enum types.
250
251TEST(PrintEnumTest, AnonymousEnum) {
252 EXPECT_EQ("-1", Print(kAE1));
253 EXPECT_EQ("1", Print(kAE2));
254}
255
256TEST(PrintEnumTest, EnumWithoutPrinter) {
257 EXPECT_EQ("-2", Print(kEWP1));
258 EXPECT_EQ("42", Print(kEWP2));
259}
260
261TEST(PrintEnumTest, EnumWithStreaming) {
262 EXPECT_EQ("kEWS1", Print(kEWS1));
263 EXPECT_EQ("invalid", Print(static_cast<EnumWithStreaming>(0)));
264}
265
266TEST(PrintEnumTest, EnumWithPrintTo) {
267 EXPECT_EQ("kEWPT1", Print(kEWPT1));
268 EXPECT_EQ("invalid", Print(static_cast<EnumWithPrintTo>(0)));
269}
270
271// Tests printing a class implicitly convertible to BiggestInt.
272
273TEST(PrintClassTest, BiggestIntConvertible) {
275}
276
277// Tests printing various char types.
278
279// char.
280TEST(PrintCharTest, PlainChar) {
281 EXPECT_EQ("'\\0'", Print('\0'));
282 EXPECT_EQ("'\\'' (39, 0x27)", Print('\''));
283 EXPECT_EQ("'\"' (34, 0x22)", Print('"'));
284 EXPECT_EQ("'?' (63, 0x3F)", Print('?'));
285 EXPECT_EQ("'\\\\' (92, 0x5C)", Print('\\'));
286 EXPECT_EQ("'\\a' (7)", Print('\a'));
287 EXPECT_EQ("'\\b' (8)", Print('\b'));
288 EXPECT_EQ("'\\f' (12, 0xC)", Print('\f'));
289 EXPECT_EQ("'\\n' (10, 0xA)", Print('\n'));
290 EXPECT_EQ("'\\r' (13, 0xD)", Print('\r'));
291 EXPECT_EQ("'\\t' (9)", Print('\t'));
292 EXPECT_EQ("'\\v' (11, 0xB)", Print('\v'));
293 EXPECT_EQ("'\\x7F' (127)", Print('\x7F'));
294 EXPECT_EQ("'\\xFF' (255)", Print('\xFF'));
295 EXPECT_EQ("' ' (32, 0x20)", Print(' '));
296 EXPECT_EQ("'a' (97, 0x61)", Print('a'));
297}
298
299// signed char.
300TEST(PrintCharTest, SignedChar) {
301 EXPECT_EQ("'\\0'", Print(static_cast<signed char>('\0')));
302 EXPECT_EQ("'\\xCE' (-50)",
303 Print(static_cast<signed char>(-50)));
304}
305
306// unsigned char.
307TEST(PrintCharTest, UnsignedChar) {
308 EXPECT_EQ("'\\0'", Print(static_cast<unsigned char>('\0')));
309 EXPECT_EQ("'b' (98, 0x62)",
310 Print(static_cast<unsigned char>('b')));
311}
312
313TEST(PrintCharTest, Char16) {
314 EXPECT_EQ("U+0041", Print(u'A'));
315}
316
317TEST(PrintCharTest, Char32) {
318 EXPECT_EQ("U+0041", Print(U'A'));
319}
320
321#ifdef __cpp_char8_t
322TEST(PrintCharTest, Char8) {
323 EXPECT_EQ("U+0041", Print(u8'A'));
324}
325#endif
326
327// Tests printing other simple, built-in types.
328
329// bool.
330TEST(PrintBuiltInTypeTest, Bool) {
331 EXPECT_EQ("false", Print(false));
332 EXPECT_EQ("true", Print(true));
333}
334
335// wchar_t.
336TEST(PrintBuiltInTypeTest, Wchar_t) {
337 EXPECT_EQ("L'\\0'", Print(L'\0'));
338 EXPECT_EQ("L'\\'' (39, 0x27)", Print(L'\''));
339 EXPECT_EQ("L'\"' (34, 0x22)", Print(L'"'));
340 EXPECT_EQ("L'?' (63, 0x3F)", Print(L'?'));
341 EXPECT_EQ("L'\\\\' (92, 0x5C)", Print(L'\\'));
342 EXPECT_EQ("L'\\a' (7)", Print(L'\a'));
343 EXPECT_EQ("L'\\b' (8)", Print(L'\b'));
344 EXPECT_EQ("L'\\f' (12, 0xC)", Print(L'\f'));
345 EXPECT_EQ("L'\\n' (10, 0xA)", Print(L'\n'));
346 EXPECT_EQ("L'\\r' (13, 0xD)", Print(L'\r'));
347 EXPECT_EQ("L'\\t' (9)", Print(L'\t'));
348 EXPECT_EQ("L'\\v' (11, 0xB)", Print(L'\v'));
349 EXPECT_EQ("L'\\x7F' (127)", Print(L'\x7F'));
350 EXPECT_EQ("L'\\xFF' (255)", Print(L'\xFF'));
351 EXPECT_EQ("L' ' (32, 0x20)", Print(L' '));
352 EXPECT_EQ("L'a' (97, 0x61)", Print(L'a'));
353 EXPECT_EQ("L'\\x576' (1398)", Print(static_cast<wchar_t>(0x576)));
354 EXPECT_EQ("L'\\xC74D' (51021)", Print(static_cast<wchar_t>(0xC74D)));
355}
356
357// Test that int64_t provides more storage than wchar_t.
358TEST(PrintTypeSizeTest, Wchar_t) {
359 EXPECT_LT(sizeof(wchar_t), sizeof(int64_t));
360}
361
362// Various integer types.
363TEST(PrintBuiltInTypeTest, Integer) {
364 EXPECT_EQ("'\\xFF' (255)", Print(static_cast<unsigned char>(255))); // uint8
365 EXPECT_EQ("'\\x80' (-128)", Print(static_cast<signed char>(-128))); // int8
366 EXPECT_EQ("65535", Print(std::numeric_limits<uint16_t>::max())); // uint16
367 EXPECT_EQ("-32768", Print(std::numeric_limits<int16_t>::min())); // int16
368 EXPECT_EQ("4294967295",
369 Print(std::numeric_limits<uint32_t>::max())); // uint32
370 EXPECT_EQ("-2147483648",
371 Print(std::numeric_limits<int32_t>::min())); // int32
372 EXPECT_EQ("18446744073709551615",
373 Print(std::numeric_limits<uint64_t>::max())); // uint64
374 EXPECT_EQ("-9223372036854775808",
375 Print(std::numeric_limits<int64_t>::min())); // int64
376#ifdef __cpp_char8_t
377 EXPECT_EQ("U+0000",
378 Print(std::numeric_limits<char8_t>::min())); // char8_t
379 EXPECT_EQ("U+00FF",
380 Print(std::numeric_limits<char8_t>::max())); // char8_t
381#endif
382 EXPECT_EQ("U+0000",
383 Print(std::numeric_limits<char16_t>::min())); // char16_t
384 EXPECT_EQ("U+FFFF",
385 Print(std::numeric_limits<char16_t>::max())); // char16_t
386 EXPECT_EQ("U+0000",
387 Print(std::numeric_limits<char32_t>::min())); // char32_t
388 EXPECT_EQ("U+FFFFFFFF",
389 Print(std::numeric_limits<char32_t>::max())); // char32_t
390}
391
392// Size types.
393TEST(PrintBuiltInTypeTest, Size_t) {
394 EXPECT_EQ("1", Print(sizeof('a'))); // size_t.
395#if !GTEST_OS_WINDOWS
396 // Windows has no ssize_t type.
397 EXPECT_EQ("-2", Print(static_cast<ssize_t>(-2))); // ssize_t.
398#endif // !GTEST_OS_WINDOWS
399}
400
401// Floating-points.
402TEST(PrintBuiltInTypeTest, FloatingPoints) {
403 EXPECT_EQ("1.5", Print(1.5f)); // float
404 EXPECT_EQ("-2.5", Print(-2.5)); // double
405}
406
407// Since ::std::stringstream::operator<<(const void *) formats the pointer
408// output differently with different compilers, we have to create the expected
409// output first and use it as our expectation.
410static std::string PrintPointer(const void* p) {
411 ::std::stringstream expected_result_stream;
412 expected_result_stream << p;
413 return expected_result_stream.str();
414}
415
416// Tests printing C strings.
417
418// const char*.
419TEST(PrintCStringTest, Const) {
420 const char* p = "World";
421 EXPECT_EQ(PrintPointer(p) + " pointing to \"World\"", Print(p));
422}
423
424// char*.
425TEST(PrintCStringTest, NonConst) {
426 char p[] = "Hi";
427 EXPECT_EQ(PrintPointer(p) + " pointing to \"Hi\"",
428 Print(static_cast<char*>(p)));
429}
430
431// NULL C string.
432TEST(PrintCStringTest, Null) {
433 const char* p = nullptr;
434 EXPECT_EQ("NULL", Print(p));
435}
436
437// Tests that C strings are escaped properly.
438TEST(PrintCStringTest, EscapesProperly) {
439 const char* p = "'\"?\\\a\b\f\n\r\t\v\x7F\xFF a";
440 EXPECT_EQ(PrintPointer(p) + " pointing to \"'\\\"?\\\\\\a\\b\\f"
441 "\\n\\r\\t\\v\\x7F\\xFF a\"",
442 Print(p));
443}
444
445// MSVC compiler can be configured to define whar_t as a typedef
446// of unsigned short. Defining an overload for const wchar_t* in that case
447// would cause pointers to unsigned shorts be printed as wide strings,
448// possibly accessing more memory than intended and causing invalid
449// memory accesses. MSVC defines _NATIVE_WCHAR_T_DEFINED symbol when
450// wchar_t is implemented as a native type.
451#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED)
452
453// const wchar_t*.
454TEST(PrintWideCStringTest, Const) {
455 const wchar_t* p = L"World";
456 EXPECT_EQ(PrintPointer(p) + " pointing to L\"World\"", Print(p));
457}
458
459// wchar_t*.
460TEST(PrintWideCStringTest, NonConst) {
461 wchar_t p[] = L"Hi";
462 EXPECT_EQ(PrintPointer(p) + " pointing to L\"Hi\"",
463 Print(static_cast<wchar_t*>(p)));
464}
465
466// NULL wide C string.
467TEST(PrintWideCStringTest, Null) {
468 const wchar_t* p = nullptr;
469 EXPECT_EQ("NULL", Print(p));
470}
471
472// Tests that wide C strings are escaped properly.
473TEST(PrintWideCStringTest, EscapesProperly) {
474 const wchar_t s[] = {'\'', '"', '?', '\\', '\a', '\b', '\f', '\n', '\r',
475 '\t', '\v', 0xD3, 0x576, 0x8D3, 0xC74D, ' ', 'a', '\0'};
476 EXPECT_EQ(PrintPointer(s) + " pointing to L\"'\\\"?\\\\\\a\\b\\f"
477 "\\n\\r\\t\\v\\xD3\\x576\\x8D3\\xC74D a\"",
478 Print(static_cast<const wchar_t*>(s)));
479}
480#endif // native wchar_t
481
482// Tests printing pointers to other char types.
483
484// signed char*.
485TEST(PrintCharPointerTest, SignedChar) {
486 signed char* p = reinterpret_cast<signed char*>(0x1234);
488 p = nullptr;
489 EXPECT_EQ("NULL", Print(p));
490}
491
492// const signed char*.
493TEST(PrintCharPointerTest, ConstSignedChar) {
494 signed char* p = reinterpret_cast<signed char*>(0x1234);
496 p = nullptr;
497 EXPECT_EQ("NULL", Print(p));
498}
499
500// unsigned char*.
501TEST(PrintCharPointerTest, UnsignedChar) {
502 unsigned char* p = reinterpret_cast<unsigned char*>(0x1234);
504 p = nullptr;
505 EXPECT_EQ("NULL", Print(p));
506}
507
508// const unsigned char*.
509TEST(PrintCharPointerTest, ConstUnsignedChar) {
510 const unsigned char* p = reinterpret_cast<const unsigned char*>(0x1234);
512 p = nullptr;
513 EXPECT_EQ("NULL", Print(p));
514}
515
516#ifdef __cpp_char8_t
517// char8_t*
518TEST(PrintCharPointerTest, Char8) {
519 char8_t* p = reinterpret_cast<char8_t*>(0x1234);
521 p = nullptr;
522 EXPECT_EQ("NULL", Print(p));
523}
524
525// const char8_t*
526TEST(PrintCharPointerTest, ConstChar8) {
527 const char8_t* p = reinterpret_cast<const char8_t*>(0x1234);
529 p = nullptr;
530 EXPECT_EQ("NULL", Print(p));
531}
532#endif
533
534// char16_t*
535TEST(PrintCharPointerTest, Char16) {
536 char16_t* p = reinterpret_cast<char16_t*>(0x1234);
538 p = nullptr;
539 EXPECT_EQ("NULL", Print(p));
540}
541
542// const char16_t*
543TEST(PrintCharPointerTest, ConstChar16) {
544 const char16_t* p = reinterpret_cast<const char16_t*>(0x1234);
546 p = nullptr;
547 EXPECT_EQ("NULL", Print(p));
548}
549
550// char32_t*
551TEST(PrintCharPointerTest, Char32) {
552 char32_t* p = reinterpret_cast<char32_t*>(0x1234);
554 p = nullptr;
555 EXPECT_EQ("NULL", Print(p));
556}
557
558// const char32_t*
559TEST(PrintCharPointerTest, ConstChar32) {
560 const char32_t* p = reinterpret_cast<const char32_t*>(0x1234);
562 p = nullptr;
563 EXPECT_EQ("NULL", Print(p));
564}
565
566// Tests printing pointers to simple, built-in types.
567
568// bool*.
569TEST(PrintPointerToBuiltInTypeTest, Bool) {
570 bool* p = reinterpret_cast<bool*>(0xABCD);
572 p = nullptr;
573 EXPECT_EQ("NULL", Print(p));
574}
575
576// void*.
577TEST(PrintPointerToBuiltInTypeTest, Void) {
578 void* p = reinterpret_cast<void*>(0xABCD);
580 p = nullptr;
581 EXPECT_EQ("NULL", Print(p));
582}
583
584// const void*.
585TEST(PrintPointerToBuiltInTypeTest, ConstVoid) {
586 const void* p = reinterpret_cast<const void*>(0xABCD);
588 p = nullptr;
589 EXPECT_EQ("NULL", Print(p));
590}
591
592// Tests printing pointers to pointers.
593TEST(PrintPointerToPointerTest, IntPointerPointer) {
594 int** p = reinterpret_cast<int**>(0xABCD);
596 p = nullptr;
597 EXPECT_EQ("NULL", Print(p));
598}
599
600// Tests printing (non-member) function pointers.
601
602void MyFunction(int /* n */) {}
603
604TEST(PrintPointerTest, NonMemberFunctionPointer) {
605 // We cannot directly cast &MyFunction to const void* because the
606 // standard disallows casting between pointers to functions and
607 // pointers to objects, and some compilers (e.g. GCC 3.4) enforce
608 // this limitation.
609 EXPECT_EQ(
610 PrintPointer(reinterpret_cast<const void*>(
611 reinterpret_cast<internal::BiggestInt>(&MyFunction))),
612 Print(&MyFunction));
613 int (*p)(bool) = NULL; // NOLINT
614 EXPECT_EQ("NULL", Print(p));
615}
616
617// An assertion predicate determining whether a one string is a prefix for
618// another.
619template <typename StringType>
620AssertionResult HasPrefix(const StringType& str, const StringType& prefix) {
621 if (str.find(prefix, 0) == 0)
622 return AssertionSuccess();
623
624 const bool is_wide_string = sizeof(prefix[0]) > 1;
625 const char* const begin_string_quote = is_wide_string ? "L\"" : "\"";
626 return AssertionFailure()
627 << begin_string_quote << prefix << "\" is not a prefix of "
628 << begin_string_quote << str << "\"\n";
629}
630
631// Tests printing member variable pointers. Although they are called
632// pointers, they don't point to a location in the address space.
633// Their representation is implementation-defined. Thus they will be
634// printed as raw bytes.
635
636struct Foo {
637 public:
638 virtual ~Foo() {}
639 int MyMethod(char x) { return x + 1; }
640 virtual char MyVirtualMethod(int /* n */) { return 'a'; }
641
642 int value;
643};
644
645TEST(PrintPointerTest, MemberVariablePointer) {
647 Print(sizeof(&Foo::value)) + "-byte object "));
648 int Foo::*p = NULL; // NOLINT
650 Print(sizeof(p)) + "-byte object "));
651}
652
653// Tests printing member function pointers. Although they are called
654// pointers, they don't point to a location in the address space.
655// Their representation is implementation-defined. Thus they will be
656// printed as raw bytes.
657TEST(PrintPointerTest, MemberFunctionPointer) {
659 Print(sizeof(&Foo::MyMethod)) + "-byte object "));
662 Print(sizeof((&Foo::MyVirtualMethod))) + "-byte object "));
663 int (Foo::*p)(char) = NULL; // NOLINT
665 Print(sizeof(p)) + "-byte object "));
666}
667
668// Tests printing C arrays.
669
670// The difference between this and Print() is that it ensures that the
671// argument is a reference to an array.
672template <typename T, size_t N>
673std::string PrintArrayHelper(T (&a)[N]) {
674 return Print(a);
675}
676
677// One-dimensional array.
678TEST(PrintArrayTest, OneDimensionalArray) {
679 int a[5] = { 1, 2, 3, 4, 5 };
680 EXPECT_EQ("{ 1, 2, 3, 4, 5 }", PrintArrayHelper(a));
681}
682
683// Two-dimensional array.
684TEST(PrintArrayTest, TwoDimensionalArray) {
685 int a[2][5] = {
686 { 1, 2, 3, 4, 5 },
687 { 6, 7, 8, 9, 0 }
688 };
689 EXPECT_EQ("{ { 1, 2, 3, 4, 5 }, { 6, 7, 8, 9, 0 } }", PrintArrayHelper(a));
690}
691
692// Array of const elements.
693TEST(PrintArrayTest, ConstArray) {
694 const bool a[1] = { false };
695 EXPECT_EQ("{ false }", PrintArrayHelper(a));
696}
697
698// char array without terminating NUL.
699TEST(PrintArrayTest, CharArrayWithNoTerminatingNul) {
700 // Array a contains '\0' in the middle and doesn't end with '\0'.
701 char a[] = { 'H', '\0', 'i' };
702 EXPECT_EQ("\"H\\0i\" (no terminating NUL)", PrintArrayHelper(a));
703}
704
705// const char array with terminating NUL.
706TEST(PrintArrayTest, ConstCharArrayWithTerminatingNul) {
707 const char a[] = "\0Hi";
708 EXPECT_EQ("\"\\0Hi\"", PrintArrayHelper(a));
709}
710
711// const wchar_t array without terminating NUL.
712TEST(PrintArrayTest, WCharArrayWithNoTerminatingNul) {
713 // Array a contains '\0' in the middle and doesn't end with '\0'.
714 const wchar_t a[] = { L'H', L'\0', L'i' };
715 EXPECT_EQ("L\"H\\0i\" (no terminating NUL)", PrintArrayHelper(a));
716}
717
718// wchar_t array with terminating NUL.
719TEST(PrintArrayTest, WConstCharArrayWithTerminatingNul) {
720 const wchar_t a[] = L"\0Hi";
721 EXPECT_EQ("L\"\\0Hi\"", PrintArrayHelper(a));
722}
723
724#ifdef __cpp_char8_t
725// char8_t array.
726TEST(PrintArrayTest, Char8Array) {
727 const char8_t a[] = u8"Hello, world!";
728 EXPECT_EQ(
729 "{ U+0048, U+0065, U+006C, U+006C, U+006F, U+002C, U+0020, U+0077, "
730 "U+006F, U+0072, U+006C, U+0064, U+0021, U+0000 }",
732}
733#endif
734
735// char16_t array.
736TEST(PrintArrayTest, Char16Array) {
737 const char16_t a[] = u"Hello, 世界";
738 EXPECT_EQ(
739 "{ U+0048, U+0065, U+006C, U+006C, U+006F, U+002C, U+0020, U+4E16, "
740 "U+754C, U+0000 }",
742}
743
744// char32_t array.
745TEST(PrintArrayTest, Char32Array) {
746 const char32_t a[] = U"Hello, 世界";
747 EXPECT_EQ(
748 "{ U+0048, U+0065, U+006C, U+006C, U+006F, U+002C, U+0020, U+4E16, "
749 "U+754C, U+0000 }",
751}
752
753// Array of objects.
754TEST(PrintArrayTest, ObjectArray) {
755 std::string a[3] = {"Hi", "Hello", "Ni hao"};
756 EXPECT_EQ("{ \"Hi\", \"Hello\", \"Ni hao\" }", PrintArrayHelper(a));
757}
758
759// Array with many elements.
760TEST(PrintArrayTest, BigArray) {
761 int a[100] = { 1, 2, 3 };
762 EXPECT_EQ("{ 1, 2, 3, 0, 0, 0, 0, 0, ..., 0, 0, 0, 0, 0, 0, 0, 0 }",
764}
765
766// Tests printing ::string and ::std::string.
767
768// ::std::string.
769TEST(PrintStringTest, StringInStdNamespace) {
770 const char s[] = "'\"?\\\a\b\f\n\0\r\t\v\x7F\xFF a";
771 const ::std::string str(s, sizeof(s));
772 EXPECT_EQ("\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v\\x7F\\xFF a\\0\"",
773 Print(str));
774}
775
776TEST(PrintStringTest, StringAmbiguousHex) {
777 // "\x6BANANA" is ambiguous, it can be interpreted as starting with either of:
778 // '\x6', '\x6B', or '\x6BA'.
779
780 // a hex escaping sequence following by a decimal digit
781 EXPECT_EQ("\"0\\x12\" \"3\"", Print(::std::string("0\x12" "3")));
782 // a hex escaping sequence following by a hex digit (lower-case)
783 EXPECT_EQ("\"mm\\x6\" \"bananas\"", Print(::std::string("mm\x6" "bananas")));
784 // a hex escaping sequence following by a hex digit (upper-case)
785 EXPECT_EQ("\"NOM\\x6\" \"BANANA\"", Print(::std::string("NOM\x6" "BANANA")));
786 // a hex escaping sequence following by a non-xdigit
787 EXPECT_EQ("\"!\\x5-!\"", Print(::std::string("!\x5-!")));
788}
789
790// Tests printing ::std::wstring.
791#if GTEST_HAS_STD_WSTRING
792// ::std::wstring.
793TEST(PrintWideStringTest, StringInStdNamespace) {
794 const wchar_t s[] = L"'\"?\\\a\b\f\n\0\r\t\v\xD3\x576\x8D3\xC74D a";
795 const ::std::wstring str(s, sizeof(s)/sizeof(wchar_t));
796 EXPECT_EQ("L\"'\\\"?\\\\\\a\\b\\f\\n\\0\\r\\t\\v"
797 "\\xD3\\x576\\x8D3\\xC74D a\\0\"",
798 Print(str));
799}
800
801TEST(PrintWideStringTest, StringAmbiguousHex) {
802 // same for wide strings.
803 EXPECT_EQ("L\"0\\x12\" L\"3\"", Print(::std::wstring(L"0\x12" L"3")));
804 EXPECT_EQ("L\"mm\\x6\" L\"bananas\"",
805 Print(::std::wstring(L"mm\x6" L"bananas")));
806 EXPECT_EQ("L\"NOM\\x6\" L\"BANANA\"",
807 Print(::std::wstring(L"NOM\x6" L"BANANA")));
808 EXPECT_EQ("L\"!\\x5-!\"", Print(::std::wstring(L"!\x5-!")));
809}
810#endif // GTEST_HAS_STD_WSTRING
811
812#ifdef __cpp_char8_t
813TEST(PrintStringTest, U8String) {
814 std::u8string str = u8"Hello, world!";
815 EXPECT_EQ(str, str); // Verify EXPECT_EQ compiles with this type.
816 EXPECT_EQ(
817 "{ U+0048, U+0065, U+006C, U+006C, U+006F, U+002C, U+0020, U+0077, "
818 "U+006F, U+0072, U+006C, U+0064, U+0021 }",
819 Print(str));
820}
821#endif
822
823TEST(PrintStringTest, U16String) {
824 std::u16string str = u"Hello, 世界";
825 EXPECT_EQ(str, str); // Verify EXPECT_EQ compiles with this type.
826 EXPECT_EQ(
827 "{ U+0048, U+0065, U+006C, U+006C, U+006F, U+002C, U+0020, U+4E16, "
828 "U+754C }",
829 Print(str));
830}
831
832TEST(PrintStringTest, U32String) {
833 std::u32string str = U"Hello, 世界";
834 EXPECT_EQ(str, str); // Verify EXPECT_EQ compiles with this type.
835 EXPECT_EQ(
836 "{ U+0048, U+0065, U+006C, U+006C, U+006F, U+002C, U+0020, U+4E16, "
837 "U+754C }",
838 Print(str));
839}
840
841// Tests printing types that support generic streaming (i.e. streaming
842// to std::basic_ostream<Char, CharTraits> for any valid Char and
843// CharTraits types).
844
845// Tests printing a non-template type that supports generic streaming.
846
848
849template <typename Char, typename CharTraits>
850std::basic_ostream<Char, CharTraits>& operator<<(
851 std::basic_ostream<Char, CharTraits>& os,
852 const AllowsGenericStreaming& /* a */) {
853 return os << "AllowsGenericStreaming";
854}
855
856TEST(PrintTypeWithGenericStreamingTest, NonTemplateType) {
858 EXPECT_EQ("AllowsGenericStreaming", Print(a));
859}
860
861// Tests printing a template type that supports generic streaming.
862
863template <typename T>
865
866template <typename Char, typename CharTraits, typename T>
867std::basic_ostream<Char, CharTraits>& operator<<(
868 std::basic_ostream<Char, CharTraits>& os,
869 const AllowsGenericStreamingTemplate<T>& /* a */) {
870 return os << "AllowsGenericStreamingTemplate";
871}
872
873TEST(PrintTypeWithGenericStreamingTest, TemplateType) {
875 EXPECT_EQ("AllowsGenericStreamingTemplate", Print(a));
876}
877
878// Tests printing a type that supports generic streaming and can be
879// implicitly converted to another printable type.
880
881template <typename T>
883 public:
884 operator bool() const { return false; }
885};
886
887template <typename Char, typename CharTraits, typename T>
888std::basic_ostream<Char, CharTraits>& operator<<(
889 std::basic_ostream<Char, CharTraits>& os,
890 const AllowsGenericStreamingAndImplicitConversionTemplate<T>& /* a */) {
891 return os << "AllowsGenericStreamingAndImplicitConversionTemplate";
892}
893
894TEST(PrintTypeWithGenericStreamingTest, TypeImplicitlyConvertible) {
896 EXPECT_EQ("AllowsGenericStreamingAndImplicitConversionTemplate", Print(a));
897}
898
899#if GTEST_INTERNAL_HAS_STRING_VIEW
900
901// Tests printing internal::StringView.
902
903TEST(PrintStringViewTest, SimpleStringView) {
904 const internal::StringView sp = "Hello";
905 EXPECT_EQ("\"Hello\"", Print(sp));
906}
907
908TEST(PrintStringViewTest, UnprintableCharacters) {
909 const char str[] = "NUL (\0) and \r\t";
910 const internal::StringView sp(str, sizeof(str) - 1);
911 EXPECT_EQ("\"NUL (\\0) and \\r\\t\"", Print(sp));
912}
913
914#endif // GTEST_INTERNAL_HAS_STRING_VIEW
915
916// Tests printing STL containers.
917
918TEST(PrintStlContainerTest, EmptyDeque) {
919 deque<char> empty;
920 EXPECT_EQ("{}", Print(empty));
921}
922
923TEST(PrintStlContainerTest, NonEmptyDeque) {
924 deque<int> non_empty;
925 non_empty.push_back(1);
926 non_empty.push_back(3);
927 EXPECT_EQ("{ 1, 3 }", Print(non_empty));
928}
929
930
931TEST(PrintStlContainerTest, OneElementHashMap) {
932 ::std::unordered_map<int, char> map1;
933 map1[1] = 'a';
934 EXPECT_EQ("{ (1, 'a' (97, 0x61)) }", Print(map1));
935}
936
937TEST(PrintStlContainerTest, HashMultiMap) {
938 ::std::unordered_multimap<int, bool> map1;
939 map1.insert(make_pair(5, true));
940 map1.insert(make_pair(5, false));
941
942 // Elements of hash_multimap can be printed in any order.
943 const std::string result = Print(map1);
944 EXPECT_TRUE(result == "{ (5, true), (5, false) }" ||
945 result == "{ (5, false), (5, true) }")
946 << " where Print(map1) returns \"" << result << "\".";
947}
948
949
950
951TEST(PrintStlContainerTest, HashSet) {
952 ::std::unordered_set<int> set1;
953 set1.insert(1);
954 EXPECT_EQ("{ 1 }", Print(set1));
955}
956
957TEST(PrintStlContainerTest, HashMultiSet) {
958 const int kSize = 5;
959 int a[kSize] = { 1, 1, 2, 5, 1 };
960 ::std::unordered_multiset<int> set1(a, a + kSize);
961
962 // Elements of hash_multiset can be printed in any order.
963 const std::string result = Print(set1);
964 const std::string expected_pattern = "{ d, d, d, d, d }"; // d means a digit.
965
966 // Verifies the result matches the expected pattern; also extracts
967 // the numbers in the result.
968 ASSERT_EQ(expected_pattern.length(), result.length());
969 std::vector<int> numbers;
970 for (size_t i = 0; i != result.length(); i++) {
971 if (expected_pattern[i] == 'd') {
972 ASSERT_NE(isdigit(static_cast<unsigned char>(result[i])), 0);
973 numbers.push_back(result[i] - '0');
974 } else {
975 EXPECT_EQ(expected_pattern[i], result[i]) << " where result is "
976 << result;
977 }
978 }
979
980 // Makes sure the result contains the right numbers.
981 std::sort(numbers.begin(), numbers.end());
982 std::sort(a, a + kSize);
983 EXPECT_TRUE(std::equal(a, a + kSize, numbers.begin()));
984}
985
986
987TEST(PrintStlContainerTest, List) {
988 const std::string a[] = {"hello", "world"};
989 const list<std::string> strings(a, a + 2);
990 EXPECT_EQ("{ \"hello\", \"world\" }", Print(strings));
991}
992
993TEST(PrintStlContainerTest, Map) {
994 map<int, bool> map1;
995 map1[1] = true;
996 map1[5] = false;
997 map1[3] = true;
998 EXPECT_EQ("{ (1, true), (3, true), (5, false) }", Print(map1));
999}
1000
1001TEST(PrintStlContainerTest, MultiMap) {
1002 multimap<bool, int> map1;
1003 // The make_pair template function would deduce the type as
1004 // pair<bool, int> here, and since the key part in a multimap has to
1005 // be constant, without a templated ctor in the pair class (as in
1006 // libCstd on Solaris), make_pair call would fail to compile as no
1007 // implicit conversion is found. Thus explicit typename is used
1008 // here instead.
1009 map1.insert(pair<const bool, int>(true, 0));
1010 map1.insert(pair<const bool, int>(true, 1));
1011 map1.insert(pair<const bool, int>(false, 2));
1012 EXPECT_EQ("{ (false, 2), (true, 0), (true, 1) }", Print(map1));
1013}
1014
1015TEST(PrintStlContainerTest, Set) {
1016 const unsigned int a[] = { 3, 0, 5 };
1017 set<unsigned int> set1(a, a + 3);
1018 EXPECT_EQ("{ 0, 3, 5 }", Print(set1));
1019}
1020
1021TEST(PrintStlContainerTest, MultiSet) {
1022 const int a[] = { 1, 1, 2, 5, 1 };
1023 multiset<int> set1(a, a + 5);
1024 EXPECT_EQ("{ 1, 1, 1, 2, 5 }", Print(set1));
1025}
1026
1027
1028TEST(PrintStlContainerTest, SinglyLinkedList) {
1029 int a[] = { 9, 2, 8 };
1030 const std::forward_list<int> ints(a, a + 3);
1031 EXPECT_EQ("{ 9, 2, 8 }", Print(ints));
1032}
1033
1034TEST(PrintStlContainerTest, Pair) {
1035 pair<const bool, int> p(true, 5);
1036 EXPECT_EQ("(true, 5)", Print(p));
1037}
1038
1039TEST(PrintStlContainerTest, Vector) {
1040 vector<int> v;
1041 v.push_back(1);
1042 v.push_back(2);
1043 EXPECT_EQ("{ 1, 2 }", Print(v));
1044}
1045
1046TEST(PrintStlContainerTest, LongSequence) {
1047 const int a[100] = { 1, 2, 3 };
1048 const vector<int> v(a, a + 100);
1049 EXPECT_EQ("{ 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "
1050 "0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ... }", Print(v));
1051}
1052
1053TEST(PrintStlContainerTest, NestedContainer) {
1054 const int a1[] = { 1, 2 };
1055 const int a2[] = { 3, 4, 5 };
1056 const list<int> l1(a1, a1 + 2);
1057 const list<int> l2(a2, a2 + 3);
1058
1059 vector<list<int> > v;
1060 v.push_back(l1);
1061 v.push_back(l2);
1062 EXPECT_EQ("{ { 1, 2 }, { 3, 4, 5 } }", Print(v));
1063}
1064
1065TEST(PrintStlContainerTest, OneDimensionalNativeArray) {
1066 const int a[3] = { 1, 2, 3 };
1067 NativeArray<int> b(a, 3, RelationToSourceReference());
1068 EXPECT_EQ("{ 1, 2, 3 }", Print(b));
1069}
1070
1071TEST(PrintStlContainerTest, TwoDimensionalNativeArray) {
1072 const int a[2][3] = { { 1, 2, 3 }, { 4, 5, 6 } };
1073 NativeArray<int[3]> b(a, 2, RelationToSourceReference());
1074 EXPECT_EQ("{ { 1, 2, 3 }, { 4, 5, 6 } }", Print(b));
1075}
1076
1077// Tests that a class named iterator isn't treated as a container.
1078
1079struct iterator {
1080 char x;
1081};
1082
1083TEST(PrintStlContainerTest, Iterator) {
1084 iterator it = {};
1085 EXPECT_EQ("1-byte object <00>", Print(it));
1086}
1087
1088// Tests that a class named const_iterator isn't treated as a container.
1089
1091 char x;
1092};
1093
1094TEST(PrintStlContainerTest, ConstIterator) {
1095 const_iterator it = {};
1096 EXPECT_EQ("1-byte object <00>", Print(it));
1097}
1098
1099// Tests printing ::std::tuples.
1100
1101// Tuples of various arities.
1102TEST(PrintStdTupleTest, VariousSizes) {
1103 ::std::tuple<> t0;
1104 EXPECT_EQ("()", Print(t0));
1105
1106 ::std::tuple<int> t1(5);
1107 EXPECT_EQ("(5)", Print(t1));
1108
1109 ::std::tuple<char, bool> t2('a', true);
1110 EXPECT_EQ("('a' (97, 0x61), true)", Print(t2));
1111
1112 ::std::tuple<bool, int, int> t3(false, 2, 3);
1113 EXPECT_EQ("(false, 2, 3)", Print(t3));
1114
1115 ::std::tuple<bool, int, int, int> t4(false, 2, 3, 4);
1116 EXPECT_EQ("(false, 2, 3, 4)", Print(t4));
1117
1118 const char* const str = "8";
1119 ::std::tuple<bool, char, short, int32_t, int64_t, float, double, // NOLINT
1120 const char*, void*, std::string>
1121 t10(false, 'a', static_cast<short>(3), 4, 5, 1.5F, -2.5, str, // NOLINT
1122 nullptr, "10");
1123 EXPECT_EQ("(false, 'a' (97, 0x61), 3, 4, 5, 1.5, -2.5, " + PrintPointer(str) +
1124 " pointing to \"8\", NULL, \"10\")",
1125 Print(t10));
1126}
1127
1128// Nested tuples.
1129TEST(PrintStdTupleTest, NestedTuple) {
1130 ::std::tuple< ::std::tuple<int, bool>, char> nested(
1131 ::std::make_tuple(5, true), 'a');
1132 EXPECT_EQ("((5, true), 'a' (97, 0x61))", Print(nested));
1133}
1134
1135TEST(PrintNullptrT, Basic) {
1136 EXPECT_EQ("(nullptr)", Print(nullptr));
1137}
1138
1139TEST(PrintReferenceWrapper, Printable) {
1140 int x = 5;
1141 EXPECT_EQ("@" + PrintPointer(&x) + " 5", Print(std::ref(x)));
1142 EXPECT_EQ("@" + PrintPointer(&x) + " 5", Print(std::cref(x)));
1143}
1144
1145TEST(PrintReferenceWrapper, Unprintable) {
1147 EXPECT_EQ(
1148 "@" + PrintPointer(&up) +
1149 " 16-byte object <EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>",
1150 Print(std::ref(up)));
1151 EXPECT_EQ(
1152 "@" + PrintPointer(&up) +
1153 " 16-byte object <EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>",
1154 Print(std::cref(up)));
1155}
1156
1157// Tests printing user-defined unprintable types.
1158
1159// Unprintable types in the global namespace.
1160TEST(PrintUnprintableTypeTest, InGlobalNamespace) {
1161 EXPECT_EQ("1-byte object <00>",
1163}
1164
1165// Unprintable types in a user namespace.
1166TEST(PrintUnprintableTypeTest, InUserNamespace) {
1167 EXPECT_EQ("16-byte object <EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>",
1169}
1170
1171// Unprintable types are that too big to be printed completely.
1172
1173struct Big {
1174 Big() { memset(array, 0, sizeof(array)); }
1175 char array[257];
1176};
1177
1178TEST(PrintUnpritableTypeTest, BigObject) {
1179 EXPECT_EQ("257-byte object <00-00 00-00 00-00 00-00 00-00 00-00 "
1180 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 "
1181 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 "
1182 "00-00 00-00 00-00 00-00 00-00 00-00 ... 00-00 00-00 00-00 "
1183 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 "
1184 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 "
1185 "00-00 00-00 00-00 00-00 00-00 00-00 00-00 00-00 00>",
1186 Print(Big()));
1187}
1188
1189// Tests printing user-defined streamable types.
1190
1191// Streamable types in the global namespace.
1192TEST(PrintStreamableTypeTest, InGlobalNamespace) {
1194 EXPECT_EQ("StreamableInGlobal", Print(x));
1195 EXPECT_EQ("StreamableInGlobal*", Print(&x));
1196}
1197
1198// Printable template types in a user namespace.
1199TEST(PrintStreamableTypeTest, TemplateTypeInUserNamespace) {
1200 EXPECT_EQ("StreamableTemplateInFoo: 0",
1202}
1203
1204// Tests printing a user-defined recursive container type that has a <<
1205// operator.
1206TEST(PrintStreamableTypeTest, PathLikeInUserNamespace) {
1208 EXPECT_EQ("Streamable-PathLike", Print(x));
1209 const ::foo::PathLike cx;
1210 EXPECT_EQ("Streamable-PathLike", Print(cx));
1211}
1212
1213// Tests printing user-defined types that have a PrintTo() function.
1214TEST(PrintPrintableTypeTest, InUserNamespace) {
1215 EXPECT_EQ("PrintableViaPrintTo: 0",
1217}
1218
1219// Tests printing a pointer to a user-defined type that has a <<
1220// operator for its pointer.
1221TEST(PrintPrintableTypeTest, PointerInUserNamespace) {
1223 EXPECT_EQ("PointerPrintable*", Print(&x));
1224}
1225
1226// Tests printing user-defined class template that have a PrintTo() function.
1227TEST(PrintPrintableTypeTest, TemplateInUserNamespace) {
1228 EXPECT_EQ("PrintableViaPrintToTemplate: 5",
1230}
1231
1232// Tests that the universal printer prints both the address and the
1233// value of a reference.
1234TEST(PrintReferenceTest, PrintsAddressAndValue) {
1235 int n = 5;
1236 EXPECT_EQ("@" + PrintPointer(&n) + " 5", PrintByRef(n));
1237
1238 int a[2][3] = {
1239 { 0, 1, 2 },
1240 { 3, 4, 5 }
1241 };
1242 EXPECT_EQ("@" + PrintPointer(a) + " { { 0, 1, 2 }, { 3, 4, 5 } }",
1243 PrintByRef(a));
1244
1245 const ::foo::UnprintableInFoo x;
1246 EXPECT_EQ("@" + PrintPointer(&x) + " 16-byte object "
1247 "<EF-12 00-00 34-AB 00-00 00-00 00-00 00-00 00-00>",
1248 PrintByRef(x));
1249}
1250
1251// Tests that the universal printer prints a function pointer passed by
1252// reference.
1253TEST(PrintReferenceTest, HandlesFunctionPointer) {
1254 void (*fp)(int n) = &MyFunction;
1255 const std::string fp_pointer_string =
1256 PrintPointer(reinterpret_cast<const void*>(&fp));
1257 // We cannot directly cast &MyFunction to const void* because the
1258 // standard disallows casting between pointers to functions and
1259 // pointers to objects, and some compilers (e.g. GCC 3.4) enforce
1260 // this limitation.
1261 const std::string fp_string = PrintPointer(reinterpret_cast<const void*>(
1262 reinterpret_cast<internal::BiggestInt>(fp)));
1263 EXPECT_EQ("@" + fp_pointer_string + " " + fp_string,
1264 PrintByRef(fp));
1265}
1266
1267// Tests that the universal printer prints a member function pointer
1268// passed by reference.
1269TEST(PrintReferenceTest, HandlesMemberFunctionPointer) {
1270 int (Foo::*p)(char ch) = &Foo::MyMethod;
1272 PrintByRef(p),
1273 "@" + PrintPointer(reinterpret_cast<const void*>(&p)) + " " +
1274 Print(sizeof(p)) + "-byte object "));
1275
1276 char (Foo::*p2)(int n) = &Foo::MyVirtualMethod;
1278 PrintByRef(p2),
1279 "@" + PrintPointer(reinterpret_cast<const void*>(&p2)) + " " +
1280 Print(sizeof(p2)) + "-byte object "));
1281}
1282
1283// Tests that the universal printer prints a member variable pointer
1284// passed by reference.
1285TEST(PrintReferenceTest, HandlesMemberVariablePointer) {
1286 int Foo::*p = &Foo::value; // NOLINT
1288 PrintByRef(p),
1289 "@" + PrintPointer(&p) + " " + Print(sizeof(p)) + "-byte object "));
1290}
1291
1292// Tests that FormatForComparisonFailureMessage(), which is used to print
1293// an operand in a comparison assertion (e.g. ASSERT_EQ) when the assertion
1294// fails, formats the operand in the desired way.
1295
1296// scalar
1297TEST(FormatForComparisonFailureMessageTest, WorksForScalar) {
1298 EXPECT_STREQ("123",
1299 FormatForComparisonFailureMessage(123, 124).c_str());
1300}
1301
1302// non-char pointer
1303TEST(FormatForComparisonFailureMessageTest, WorksForNonCharPointer) {
1304 int n = 0;
1306 FormatForComparisonFailureMessage(&n, &n).c_str());
1307}
1308
1309// non-char array
1310TEST(FormatForComparisonFailureMessageTest, FormatsNonCharArrayAsPointer) {
1311 // In expression 'array == x', 'array' is compared by pointer.
1312 // Therefore we want to print an array operand as a pointer.
1313 int n[] = { 1, 2, 3 };
1315 FormatForComparisonFailureMessage(n, n).c_str());
1316}
1317
1318// Tests formatting a char pointer when it's compared with another pointer.
1319// In this case we want to print it as a raw pointer, as the comparison is by
1320// pointer.
1321
1322// char pointer vs pointer
1323TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsPointer) {
1324 // In expression 'p == x', where 'p' and 'x' are (const or not) char
1325 // pointers, the operands are compared by pointer. Therefore we
1326 // want to print 'p' as a pointer instead of a C string (we don't
1327 // even know if it's supposed to point to a valid C string).
1328
1329 // const char*
1330 const char* s = "hello";
1332 FormatForComparisonFailureMessage(s, s).c_str());
1333
1334 // char*
1335 char ch = 'a';
1337 FormatForComparisonFailureMessage(&ch, &ch).c_str());
1338}
1339
1340// wchar_t pointer vs pointer
1341TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsPointer) {
1342 // In expression 'p == x', where 'p' and 'x' are (const or not) char
1343 // pointers, the operands are compared by pointer. Therefore we
1344 // want to print 'p' as a pointer instead of a wide C string (we don't
1345 // even know if it's supposed to point to a valid wide C string).
1346
1347 // const wchar_t*
1348 const wchar_t* s = L"hello";
1350 FormatForComparisonFailureMessage(s, s).c_str());
1351
1352 // wchar_t*
1353 wchar_t ch = L'a';
1355 FormatForComparisonFailureMessage(&ch, &ch).c_str());
1356}
1357
1358// Tests formatting a char pointer when it's compared to a string object.
1359// In this case we want to print the char pointer as a C string.
1360
1361// char pointer vs std::string
1362TEST(FormatForComparisonFailureMessageTest, WorksForCharPointerVsStdString) {
1363 const char* s = "hello \"world";
1364 EXPECT_STREQ("\"hello \\\"world\"", // The string content should be escaped.
1365 FormatForComparisonFailureMessage(s, ::std::string()).c_str());
1366
1367 // char*
1368 char str[] = "hi\1";
1369 char* p = str;
1370 EXPECT_STREQ("\"hi\\x1\"", // The string content should be escaped.
1371 FormatForComparisonFailureMessage(p, ::std::string()).c_str());
1372}
1373
1374#if GTEST_HAS_STD_WSTRING
1375// wchar_t pointer vs std::wstring
1376TEST(FormatForComparisonFailureMessageTest, WorksForWCharPointerVsStdWString) {
1377 const wchar_t* s = L"hi \"world";
1378 EXPECT_STREQ("L\"hi \\\"world\"", // The string content should be escaped.
1379 FormatForComparisonFailureMessage(s, ::std::wstring()).c_str());
1380
1381 // wchar_t*
1382 wchar_t str[] = L"hi\1";
1383 wchar_t* p = str;
1384 EXPECT_STREQ("L\"hi\\x1\"", // The string content should be escaped.
1385 FormatForComparisonFailureMessage(p, ::std::wstring()).c_str());
1386}
1387#endif
1388
1389// Tests formatting a char array when it's compared with a pointer or array.
1390// In this case we want to print the array as a row pointer, as the comparison
1391// is by pointer.
1392
1393// char array vs pointer
1394TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsPointer) {
1395 char str[] = "hi \"world\"";
1396 char* p = nullptr;
1398 FormatForComparisonFailureMessage(str, p).c_str());
1399}
1400
1401// char array vs char array
1402TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsCharArray) {
1403 const char str[] = "hi \"world\"";
1405 FormatForComparisonFailureMessage(str, str).c_str());
1406}
1407
1408// wchar_t array vs pointer
1409TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsPointer) {
1410 wchar_t str[] = L"hi \"world\"";
1411 wchar_t* p = nullptr;
1413 FormatForComparisonFailureMessage(str, p).c_str());
1414}
1415
1416// wchar_t array vs wchar_t array
1417TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsWCharArray) {
1418 const wchar_t str[] = L"hi \"world\"";
1420 FormatForComparisonFailureMessage(str, str).c_str());
1421}
1422
1423// Tests formatting a char array when it's compared with a string object.
1424// In this case we want to print the array as a C string.
1425
1426// char array vs std::string
1427TEST(FormatForComparisonFailureMessageTest, WorksForCharArrayVsStdString) {
1428 const char str[] = "hi \"world\"";
1429 EXPECT_STREQ("\"hi \\\"world\\\"\"", // The content should be escaped.
1430 FormatForComparisonFailureMessage(str, ::std::string()).c_str());
1431}
1432
1433#if GTEST_HAS_STD_WSTRING
1434// wchar_t array vs std::wstring
1435TEST(FormatForComparisonFailureMessageTest, WorksForWCharArrayVsStdWString) {
1436 const wchar_t str[] = L"hi \"w\0rld\"";
1438 "L\"hi \\\"w\"", // The content should be escaped.
1439 // Embedded NUL terminates the string.
1440 FormatForComparisonFailureMessage(str, ::std::wstring()).c_str());
1441}
1442#endif
1443
1444// Useful for testing PrintToString(). We cannot use EXPECT_EQ()
1445// there as its implementation uses PrintToString(). The caller must
1446// ensure that 'value' has no side effect.
1447#define EXPECT_PRINT_TO_STRING_(value, expected_string) \
1448 EXPECT_TRUE(PrintToString(value) == (expected_string)) \
1449 << " where " #value " prints as " << (PrintToString(value))
1450
1451TEST(PrintToStringTest, WorksForScalar) {
1452 EXPECT_PRINT_TO_STRING_(123, "123");
1453}
1454
1455TEST(PrintToStringTest, WorksForPointerToConstChar) {
1456 const char* p = "hello";
1457 EXPECT_PRINT_TO_STRING_(p, "\"hello\"");
1458}
1459
1460TEST(PrintToStringTest, WorksForPointerToNonConstChar) {
1461 char s[] = "hello";
1462 char* p = s;
1463 EXPECT_PRINT_TO_STRING_(p, "\"hello\"");
1464}
1465
1466TEST(PrintToStringTest, EscapesForPointerToConstChar) {
1467 const char* p = "hello\n";
1468 EXPECT_PRINT_TO_STRING_(p, "\"hello\\n\"");
1469}
1470
1471TEST(PrintToStringTest, EscapesForPointerToNonConstChar) {
1472 char s[] = "hello\1";
1473 char* p = s;
1474 EXPECT_PRINT_TO_STRING_(p, "\"hello\\x1\"");
1475}
1476
1477TEST(PrintToStringTest, WorksForArray) {
1478 int n[3] = { 1, 2, 3 };
1479 EXPECT_PRINT_TO_STRING_(n, "{ 1, 2, 3 }");
1480}
1481
1482TEST(PrintToStringTest, WorksForCharArray) {
1483 char s[] = "hello";
1484 EXPECT_PRINT_TO_STRING_(s, "\"hello\"");
1485}
1486
1487TEST(PrintToStringTest, WorksForCharArrayWithEmbeddedNul) {
1488 const char str_with_nul[] = "hello\0 world";
1489 EXPECT_PRINT_TO_STRING_(str_with_nul, "\"hello\\0 world\"");
1490
1491 char mutable_str_with_nul[] = "hello\0 world";
1492 EXPECT_PRINT_TO_STRING_(mutable_str_with_nul, "\"hello\\0 world\"");
1493}
1494
1495 TEST(PrintToStringTest, ContainsNonLatin) {
1496 // Sanity test with valid UTF-8. Prints both in hex and as text.
1497 std::string non_ascii_str = ::std::string("오전 4:30");
1498 EXPECT_PRINT_TO_STRING_(non_ascii_str,
1499 "\"\\xEC\\x98\\xA4\\xEC\\xA0\\x84 4:30\"\n"
1500 " As Text: \"오전 4:30\"");
1501 non_ascii_str = ::std::string("From ä — ẑ");
1502 EXPECT_PRINT_TO_STRING_(non_ascii_str,
1503 "\"From \\xC3\\xA4 \\xE2\\x80\\x94 \\xE1\\xBA\\x91\""
1504 "\n As Text: \"From ä — ẑ\"");
1505}
1506
1507TEST(IsValidUTF8Test, IllFormedUTF8) {
1508 // The following test strings are ill-formed UTF-8 and are printed
1509 // as hex only (or ASCII, in case of ASCII bytes) because IsValidUTF8() is
1510 // expected to fail, thus output does not contain "As Text:".
1511
1512 static const char *const kTestdata[][2] = {
1513 // 2-byte lead byte followed by a single-byte character.
1514 {"\xC3\x74", "\"\\xC3t\""},
1515 // Valid 2-byte character followed by an orphan trail byte.
1516 {"\xC3\x84\xA4", "\"\\xC3\\x84\\xA4\""},
1517 // Lead byte without trail byte.
1518 {"abc\xC3", "\"abc\\xC3\""},
1519 // 3-byte lead byte, single-byte character, orphan trail byte.
1520 {"x\xE2\x70\x94", "\"x\\xE2p\\x94\""},
1521 // Truncated 3-byte character.
1522 {"\xE2\x80", "\"\\xE2\\x80\""},
1523 // Truncated 3-byte character followed by valid 2-byte char.
1524 {"\xE2\x80\xC3\x84", "\"\\xE2\\x80\\xC3\\x84\""},
1525 // Truncated 3-byte character followed by a single-byte character.
1526 {"\xE2\x80\x7A", "\"\\xE2\\x80z\""},
1527 // 3-byte lead byte followed by valid 3-byte character.
1528 {"\xE2\xE2\x80\x94", "\"\\xE2\\xE2\\x80\\x94\""},
1529 // 4-byte lead byte followed by valid 3-byte character.
1530 {"\xF0\xE2\x80\x94", "\"\\xF0\\xE2\\x80\\x94\""},
1531 // Truncated 4-byte character.
1532 {"\xF0\xE2\x80", "\"\\xF0\\xE2\\x80\""},
1533 // Invalid UTF-8 byte sequences embedded in other chars.
1534 {"abc\xE2\x80\x94\xC3\x74xyc", "\"abc\\xE2\\x80\\x94\\xC3txyc\""},
1535 {"abc\xC3\x84\xE2\x80\xC3\x84xyz",
1536 "\"abc\\xC3\\x84\\xE2\\x80\\xC3\\x84xyz\""},
1537 // Non-shortest UTF-8 byte sequences are also ill-formed.
1538 // The classics: xC0, xC1 lead byte.
1539 {"\xC0\x80", "\"\\xC0\\x80\""},
1540 {"\xC1\x81", "\"\\xC1\\x81\""},
1541 // Non-shortest sequences.
1542 {"\xE0\x80\x80", "\"\\xE0\\x80\\x80\""},
1543 {"\xf0\x80\x80\x80", "\"\\xF0\\x80\\x80\\x80\""},
1544 // Last valid code point before surrogate range, should be printed as text,
1545 // too.
1546 {"\xED\x9F\xBF", "\"\\xED\\x9F\\xBF\"\n As Text: \"퟿\""},
1547 // Start of surrogate lead. Surrogates are not printed as text.
1548 {"\xED\xA0\x80", "\"\\xED\\xA0\\x80\""},
1549 // Last non-private surrogate lead.
1550 {"\xED\xAD\xBF", "\"\\xED\\xAD\\xBF\""},
1551 // First private-use surrogate lead.
1552 {"\xED\xAE\x80", "\"\\xED\\xAE\\x80\""},
1553 // Last private-use surrogate lead.
1554 {"\xED\xAF\xBF", "\"\\xED\\xAF\\xBF\""},
1555 // Mid-point of surrogate trail.
1556 {"\xED\xB3\xBF", "\"\\xED\\xB3\\xBF\""},
1557 // First valid code point after surrogate range, should be printed as text,
1558 // too.
1559 {"\xEE\x80\x80", "\"\\xEE\\x80\\x80\"\n As Text: \"\""}
1560 };
1561
1562 for (int i = 0; i < int(sizeof(kTestdata)/sizeof(kTestdata[0])); ++i) {
1563 EXPECT_PRINT_TO_STRING_(kTestdata[i][0], kTestdata[i][1]);
1564 }
1565}
1566
1567#undef EXPECT_PRINT_TO_STRING_
1568
1569TEST(UniversalTersePrintTest, WorksForNonReference) {
1570 ::std::stringstream ss;
1571 UniversalTersePrint(123, &ss);
1572 EXPECT_EQ("123", ss.str());
1573}
1574
1575TEST(UniversalTersePrintTest, WorksForReference) {
1576 const int& n = 123;
1577 ::std::stringstream ss;
1578 UniversalTersePrint(n, &ss);
1579 EXPECT_EQ("123", ss.str());
1580}
1581
1582TEST(UniversalTersePrintTest, WorksForCString) {
1583 const char* s1 = "abc";
1584 ::std::stringstream ss1;
1585 UniversalTersePrint(s1, &ss1);
1586 EXPECT_EQ("\"abc\"", ss1.str());
1587
1588 char* s2 = const_cast<char*>(s1);
1589 ::std::stringstream ss2;
1590 UniversalTersePrint(s2, &ss2);
1591 EXPECT_EQ("\"abc\"", ss2.str());
1592
1593 const char* s3 = nullptr;
1594 ::std::stringstream ss3;
1595 UniversalTersePrint(s3, &ss3);
1596 EXPECT_EQ("NULL", ss3.str());
1597}
1598
1599TEST(UniversalPrintTest, WorksForNonReference) {
1600 ::std::stringstream ss;
1601 UniversalPrint(123, &ss);
1602 EXPECT_EQ("123", ss.str());
1603}
1604
1605TEST(UniversalPrintTest, WorksForReference) {
1606 const int& n = 123;
1607 ::std::stringstream ss;
1608 UniversalPrint(n, &ss);
1609 EXPECT_EQ("123", ss.str());
1610}
1611
1612TEST(UniversalPrintTest, WorksForCString) {
1613 const char* s1 = "abc";
1614 ::std::stringstream ss1;
1615 UniversalPrint(s1, &ss1);
1616 EXPECT_EQ(PrintPointer(s1) + " pointing to \"abc\"", std::string(ss1.str()));
1617
1618 char* s2 = const_cast<char*>(s1);
1619 ::std::stringstream ss2;
1620 UniversalPrint(s2, &ss2);
1621 EXPECT_EQ(PrintPointer(s2) + " pointing to \"abc\"", std::string(ss2.str()));
1622
1623 const char* s3 = nullptr;
1624 ::std::stringstream ss3;
1625 UniversalPrint(s3, &ss3);
1626 EXPECT_EQ("NULL", ss3.str());
1627}
1628
1629TEST(UniversalPrintTest, WorksForCharArray) {
1630 const char str[] = "\"Line\0 1\"\nLine 2";
1631 ::std::stringstream ss1;
1632 UniversalPrint(str, &ss1);
1633 EXPECT_EQ("\"\\\"Line\\0 1\\\"\\nLine 2\"", ss1.str());
1634
1635 const char mutable_str[] = "\"Line\0 1\"\nLine 2";
1636 ::std::stringstream ss2;
1637 UniversalPrint(mutable_str, &ss2);
1638 EXPECT_EQ("\"\\\"Line\\0 1\\\"\\nLine 2\"", ss2.str());
1639}
1640
1641TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsEmptyTuple) {
1642 Strings result = UniversalTersePrintTupleFieldsToStrings(::std::make_tuple());
1643 EXPECT_EQ(0u, result.size());
1644}
1645
1646TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsOneTuple) {
1647 Strings result = UniversalTersePrintTupleFieldsToStrings(
1648 ::std::make_tuple(1));
1649 ASSERT_EQ(1u, result.size());
1650 EXPECT_EQ("1", result[0]);
1651}
1652
1653TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsTwoTuple) {
1654 Strings result = UniversalTersePrintTupleFieldsToStrings(
1655 ::std::make_tuple(1, 'a'));
1656 ASSERT_EQ(2u, result.size());
1657 EXPECT_EQ("1", result[0]);
1658 EXPECT_EQ("'a' (97, 0x61)", result[1]);
1659}
1660
1661TEST(UniversalTersePrintTupleFieldsToStringsTestWithStd, PrintsTersely) {
1662 const int n = 1;
1663 Strings result = UniversalTersePrintTupleFieldsToStrings(
1664 ::std::tuple<const int&, const char*>(n, "a"));
1665 ASSERT_EQ(2u, result.size());
1666 EXPECT_EQ("1", result[0]);
1667 EXPECT_EQ("\"a\"", result[1]);
1668}
1669
1670#if GTEST_INTERNAL_HAS_ANY
1671class PrintAnyTest : public ::testing::Test {
1672 protected:
1673 template <typename T>
1674 static std::string ExpectedTypeName() {
1675#if GTEST_HAS_RTTI
1676 return internal::GetTypeName<T>();
1677#else
1678 return "<unknown_type>";
1679#endif // GTEST_HAS_RTTI
1680 }
1681};
1682
1683TEST_F(PrintAnyTest, Empty) {
1684 internal::Any any;
1685 EXPECT_EQ("no value", PrintToString(any));
1686}
1687
1688TEST_F(PrintAnyTest, NonEmpty) {
1689 internal::Any any;
1690 constexpr int val1 = 10;
1691 const std::string val2 = "content";
1692
1693 any = val1;
1694 EXPECT_EQ("value of type " + ExpectedTypeName<int>(), PrintToString(any));
1695
1696 any = val2;
1697 EXPECT_EQ("value of type " + ExpectedTypeName<std::string>(),
1698 PrintToString(any));
1699}
1700#endif // GTEST_INTERNAL_HAS_ANY
1701
1702#if GTEST_INTERNAL_HAS_OPTIONAL
1703TEST(PrintOptionalTest, Basic) {
1704 internal::Optional<int> value;
1705 EXPECT_EQ("(nullopt)", PrintToString(value));
1706 value = {7};
1707 EXPECT_EQ("(7)", PrintToString(value));
1708 EXPECT_EQ("(1.1)", PrintToString(internal::Optional<double>{1.1}));
1709 EXPECT_EQ("(\"A\")", PrintToString(internal::Optional<std::string>{"A"}));
1710}
1711#endif // GTEST_INTERNAL_HAS_OPTIONAL
1712
1713#if GTEST_INTERNAL_HAS_VARIANT
1714struct NonPrintable {
1715 unsigned char contents = 17;
1716};
1717
1718TEST(PrintOneofTest, Basic) {
1719 using Type = internal::Variant<int, StreamableInGlobal, NonPrintable>;
1720 EXPECT_EQ("('int(index = 0)' with value 7)", PrintToString(Type(7)));
1721 EXPECT_EQ("('StreamableInGlobal(index = 1)' with value StreamableInGlobal)",
1723 EXPECT_EQ(
1724 "('testing::gtest_printers_test::NonPrintable(index = 2)' with value "
1725 "1-byte object <11>)",
1726 PrintToString(Type(NonPrintable{})));
1727}
1728#endif // GTEST_INTERNAL_HAS_VARIANT
1729namespace {
1730class string_ref;
1731
1735class string_ptr {
1736 public:
1737 string_ptr(const char* data, size_t size) : data_(data), size_(size) {}
1738
1739 string_ptr& operator++() noexcept {
1740 data_ += size_;
1741 return *this;
1742 }
1743
1744 string_ref operator*() const noexcept;
1745
1746 private:
1747 const char* data_;
1748 size_t size_;
1749};
1750
1754class string_ref {
1755 public:
1756 string_ref(const char* data, size_t size) : data_(data), size_(size) {}
1757
1758 string_ptr operator&() const noexcept { return {data_, size_}; } // NOLINT
1759
1760 bool operator==(const char* s) const noexcept {
1761 if (size_ > 0 && data_[size_ - 1] != 0) {
1762 return std::string(data_, size_) == std::string(s);
1763 } else {
1764 return std::string(data_) == std::string(s);
1765 }
1766 }
1767
1768 private:
1769 const char* data_;
1770 size_t size_;
1771};
1772
1773string_ref string_ptr::operator*() const noexcept { return {data_, size_}; }
1774
1775TEST(string_ref, compare) {
1776 const char* s = "alex\0davidjohn\0";
1777 string_ptr ptr(s, 5);
1778 EXPECT_EQ(*ptr, "alex");
1779 EXPECT_TRUE(*ptr == "alex");
1780 ++ptr;
1781 EXPECT_EQ(*ptr, "david");
1782 EXPECT_TRUE(*ptr == "david");
1783 ++ptr;
1784 EXPECT_EQ(*ptr, "john");
1785}
1786
1787} // namespace
1788
1789} // namespace gtest_printers_test
1790} // namespace testing
#define T
Definition: Sacado_rad.hpp:573
const int N
iterator begin() const
friend::std::ostream & operator<<(::std::ostream &os, const PathLike &)
int value
const char * p
std::ostream & operator<<(std::ostream &os, EnumWithStreaming e)
const char * data_
#define EXPECT_PRINT_TO_STRING_(value, expected_string)
void PrintTo(EnumWithPrintTo e, std::ostream *os)
#define TEST_F(test_fixture, test_name)
Definition: gtest.h:2379
#define ASSERT_EQ(val1, val2)
Definition: gtest.h:2068
#define EXPECT_EQ(val1, val2)
Definition: gtest.h:2038
#define ASSERT_NE(val1, val2)
Definition: gtest.h:2072
#define TEST(test_suite_name, test_name)
Definition: gtest.h:2348
#define EXPECT_TRUE(condition)
Definition: gtest.h:1979
#define EXPECT_STREQ(s1, s2)
Definition: gtest.h:2107
#define EXPECT_LT(val1, val2)
Definition: gtest.h:2044
SimpleFad< ValueT > operator*(const SimpleFad< ValueT > &a, const SimpleFad< ValueT > &b)
::std::ostream & operator<<(::std::ostream &os, const PointerPrintable *)
void PrintTo(const PrintableViaPrintTo &x, ::std::ostream *os)
std::basic_ostream< Char, CharTraits > & operator<<(std::basic_ostream< Char, CharTraits > &os, const AllowsGenericStreaming &)
std::string PrintByRef(const T &value)
std::string Print(const T &value)
AssertionResult HasPrefix(const StringType &str, const StringType &prefix)
static std::string PrintPointer(const void *p)
long long BiggestInt
Definition: gtest-port.h:2133
AssertionResult AssertionFailure()
Definition: gtest.cc:1200
::std::string PrintToString(const T &value)
AssertionResult AssertionSuccess()
Definition: gtest.cc:1195
#define Void
Definition: uninit.c:74