An Overlay-based
Virtual Network Substrate
SpoVNet

source: gtest-1.7.0/src/gtest-internal-inl.h @ 12775

Last change on this file since 12775 was 12746, checked in by hock@…, 6 years ago

integrated the Google Testing Framework (gtest)

and wrote an Hello World test, to ensure the framework is working..

File size: 45.4 KB
Line 
1// Copyright 2005, 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// Utility functions and classes used by the Google C++ testing framework.
31//
32// Author: wan@google.com (Zhanyong Wan)
33//
34// This file contains purely Google Test's internal implementation.  Please
35// DO NOT #INCLUDE IT IN A USER PROGRAM.
36
37#ifndef GTEST_SRC_GTEST_INTERNAL_INL_H_
38#define GTEST_SRC_GTEST_INTERNAL_INL_H_
39
40// GTEST_IMPLEMENTATION_ is defined to 1 iff the current translation unit is
41// part of Google Test's implementation; otherwise it's undefined.
42#if !GTEST_IMPLEMENTATION_
43// A user is trying to include this from his code - just say no.
44# error "gtest-internal-inl.h is part of Google Test's internal implementation."
45# error "It must not be included except by Google Test itself."
46#endif  // GTEST_IMPLEMENTATION_
47
48#ifndef _WIN32_WCE
49# include <errno.h>
50#endif  // !_WIN32_WCE
51#include <stddef.h>
52#include <stdlib.h>  // For strtoll/_strtoul64/malloc/free.
53#include <string.h>  // For memmove.
54
55#include <algorithm>
56#include <string>
57#include <vector>
58
59#include "gtest/internal/gtest-port.h"
60
61#if GTEST_CAN_STREAM_RESULTS_
62# include <arpa/inet.h>  // NOLINT
63# include <netdb.h>  // NOLINT
64#endif
65
66#if GTEST_OS_WINDOWS
67# include <windows.h>  // NOLINT
68#endif  // GTEST_OS_WINDOWS
69
70#include "gtest/gtest.h"  // NOLINT
71#include "gtest/gtest-spi.h"
72
73namespace testing {
74
75// Declares the flags.
76//
77// We don't want the users to modify this flag in the code, but want
78// Google Test's own unit tests to be able to access it. Therefore we
79// declare it here as opposed to in gtest.h.
80GTEST_DECLARE_bool_(death_test_use_fork);
81
82namespace internal {
83
84// The value of GetTestTypeId() as seen from within the Google Test
85// library.  This is solely for testing GetTestTypeId().
86GTEST_API_ extern const TypeId kTestTypeIdInGoogleTest;
87
88// Names of the flags (needed for parsing Google Test flags).
89const char kAlsoRunDisabledTestsFlag[] = "also_run_disabled_tests";
90const char kBreakOnFailureFlag[] = "break_on_failure";
91const char kCatchExceptionsFlag[] = "catch_exceptions";
92const char kColorFlag[] = "color";
93const char kFilterFlag[] = "filter";
94const char kListTestsFlag[] = "list_tests";
95const char kOutputFlag[] = "output";
96const char kPrintTimeFlag[] = "print_time";
97const char kRandomSeedFlag[] = "random_seed";
98const char kRepeatFlag[] = "repeat";
99const char kShuffleFlag[] = "shuffle";
100const char kStackTraceDepthFlag[] = "stack_trace_depth";
101const char kStreamResultToFlag[] = "stream_result_to";
102const char kThrowOnFailureFlag[] = "throw_on_failure";
103
104// A valid random seed must be in [1, kMaxRandomSeed].
105const int kMaxRandomSeed = 99999;
106
107// g_help_flag is true iff the --help flag or an equivalent form is
108// specified on the command line.
109GTEST_API_ extern bool g_help_flag;
110
111// Returns the current time in milliseconds.
112GTEST_API_ TimeInMillis GetTimeInMillis();
113
114// Returns true iff Google Test should use colors in the output.
115GTEST_API_ bool ShouldUseColor(bool stdout_is_tty);
116
117// Formats the given time in milliseconds as seconds.
118GTEST_API_ std::string FormatTimeInMillisAsSeconds(TimeInMillis ms);
119
120// Converts the given time in milliseconds to a date string in the ISO 8601
121// format, without the timezone information.  N.B.: due to the use the
122// non-reentrant localtime() function, this function is not thread safe.  Do
123// not use it in any code that can be called from multiple threads.
124GTEST_API_ std::string FormatEpochTimeInMillisAsIso8601(TimeInMillis ms);
125
126// Parses a string for an Int32 flag, in the form of "--flag=value".
127//
128// On success, stores the value of the flag in *value, and returns
129// true.  On failure, returns false without changing *value.
130GTEST_API_ bool ParseInt32Flag(
131    const char* str, const char* flag, Int32* value);
132
133// Returns a random seed in range [1, kMaxRandomSeed] based on the
134// given --gtest_random_seed flag value.
135inline int GetRandomSeedFromFlag(Int32 random_seed_flag) {
136  const unsigned int raw_seed = (random_seed_flag == 0) ?
137      static_cast<unsigned int>(GetTimeInMillis()) :
138      static_cast<unsigned int>(random_seed_flag);
139
140  // Normalizes the actual seed to range [1, kMaxRandomSeed] such that
141  // it's easy to type.
142  const int normalized_seed =
143      static_cast<int>((raw_seed - 1U) %
144                       static_cast<unsigned int>(kMaxRandomSeed)) + 1;
145  return normalized_seed;
146}
147
148// Returns the first valid random seed after 'seed'.  The behavior is
149// undefined if 'seed' is invalid.  The seed after kMaxRandomSeed is
150// considered to be 1.
151inline int GetNextRandomSeed(int seed) {
152  GTEST_CHECK_(1 <= seed && seed <= kMaxRandomSeed)
153      << "Invalid random seed " << seed << " - must be in [1, "
154      << kMaxRandomSeed << "].";
155  const int next_seed = seed + 1;
156  return (next_seed > kMaxRandomSeed) ? 1 : next_seed;
157}
158
159// This class saves the values of all Google Test flags in its c'tor, and
160// restores them in its d'tor.
161class GTestFlagSaver {
162 public:
163  // The c'tor.
164  GTestFlagSaver() {
165    also_run_disabled_tests_ = GTEST_FLAG(also_run_disabled_tests);
166    break_on_failure_ = GTEST_FLAG(break_on_failure);
167    catch_exceptions_ = GTEST_FLAG(catch_exceptions);
168    color_ = GTEST_FLAG(color);
169    death_test_style_ = GTEST_FLAG(death_test_style);
170    death_test_use_fork_ = GTEST_FLAG(death_test_use_fork);
171    filter_ = GTEST_FLAG(filter);
172    internal_run_death_test_ = GTEST_FLAG(internal_run_death_test);
173    list_tests_ = GTEST_FLAG(list_tests);
174    output_ = GTEST_FLAG(output);
175    print_time_ = GTEST_FLAG(print_time);
176    random_seed_ = GTEST_FLAG(random_seed);
177    repeat_ = GTEST_FLAG(repeat);
178    shuffle_ = GTEST_FLAG(shuffle);
179    stack_trace_depth_ = GTEST_FLAG(stack_trace_depth);
180    stream_result_to_ = GTEST_FLAG(stream_result_to);
181    throw_on_failure_ = GTEST_FLAG(throw_on_failure);
182  }
183
184  // The d'tor is not virtual.  DO NOT INHERIT FROM THIS CLASS.
185  ~GTestFlagSaver() {
186    GTEST_FLAG(also_run_disabled_tests) = also_run_disabled_tests_;
187    GTEST_FLAG(break_on_failure) = break_on_failure_;
188    GTEST_FLAG(catch_exceptions) = catch_exceptions_;
189    GTEST_FLAG(color) = color_;
190    GTEST_FLAG(death_test_style) = death_test_style_;
191    GTEST_FLAG(death_test_use_fork) = death_test_use_fork_;
192    GTEST_FLAG(filter) = filter_;
193    GTEST_FLAG(internal_run_death_test) = internal_run_death_test_;
194    GTEST_FLAG(list_tests) = list_tests_;
195    GTEST_FLAG(output) = output_;
196    GTEST_FLAG(print_time) = print_time_;
197    GTEST_FLAG(random_seed) = random_seed_;
198    GTEST_FLAG(repeat) = repeat_;
199    GTEST_FLAG(shuffle) = shuffle_;
200    GTEST_FLAG(stack_trace_depth) = stack_trace_depth_;
201    GTEST_FLAG(stream_result_to) = stream_result_to_;
202    GTEST_FLAG(throw_on_failure) = throw_on_failure_;
203  }
204
205 private:
206  // Fields for saving the original values of flags.
207  bool also_run_disabled_tests_;
208  bool break_on_failure_;
209  bool catch_exceptions_;
210  std::string color_;
211  std::string death_test_style_;
212  bool death_test_use_fork_;
213  std::string filter_;
214  std::string internal_run_death_test_;
215  bool list_tests_;
216  std::string output_;
217  bool print_time_;
218  internal::Int32 random_seed_;
219  internal::Int32 repeat_;
220  bool shuffle_;
221  internal::Int32 stack_trace_depth_;
222  std::string stream_result_to_;
223  bool throw_on_failure_;
224} GTEST_ATTRIBUTE_UNUSED_;
225
226// Converts a Unicode code point to a narrow string in UTF-8 encoding.
227// code_point parameter is of type UInt32 because wchar_t may not be
228// wide enough to contain a code point.
229// If the code_point is not a valid Unicode code point
230// (i.e. outside of Unicode range U+0 to U+10FFFF) it will be converted
231// to "(Invalid Unicode 0xXXXXXXXX)".
232GTEST_API_ std::string CodePointToUtf8(UInt32 code_point);
233
234// Converts a wide string to a narrow string in UTF-8 encoding.
235// The wide string is assumed to have the following encoding:
236//   UTF-16 if sizeof(wchar_t) == 2 (on Windows, Cygwin, Symbian OS)
237//   UTF-32 if sizeof(wchar_t) == 4 (on Linux)
238// Parameter str points to a null-terminated wide string.
239// Parameter num_chars may additionally limit the number
240// of wchar_t characters processed. -1 is used when the entire string
241// should be processed.
242// If the string contains code points that are not valid Unicode code points
243// (i.e. outside of Unicode range U+0 to U+10FFFF) they will be output
244// as '(Invalid Unicode 0xXXXXXXXX)'. If the string is in UTF16 encoding
245// and contains invalid UTF-16 surrogate pairs, values in those pairs
246// will be encoded as individual Unicode characters from Basic Normal Plane.
247GTEST_API_ std::string WideStringToUtf8(const wchar_t* str, int num_chars);
248
249// Reads the GTEST_SHARD_STATUS_FILE environment variable, and creates the file
250// if the variable is present. If a file already exists at this location, this
251// function will write over it. If the variable is present, but the file cannot
252// be created, prints an error and exits.
253void WriteToShardStatusFileIfNeeded();
254
255// Checks whether sharding is enabled by examining the relevant
256// environment variable values. If the variables are present,
257// but inconsistent (e.g., shard_index >= total_shards), prints
258// an error and exits. If in_subprocess_for_death_test, sharding is
259// disabled because it must only be applied to the original test
260// process. Otherwise, we could filter out death tests we intended to execute.
261GTEST_API_ bool ShouldShard(const char* total_shards_str,
262                            const char* shard_index_str,
263                            bool in_subprocess_for_death_test);
264
265// Parses the environment variable var as an Int32. If it is unset,
266// returns default_val. If it is not an Int32, prints an error and
267// and aborts.
268GTEST_API_ Int32 Int32FromEnvOrDie(const char* env_var, Int32 default_val);
269
270// Given the total number of shards, the shard index, and the test id,
271// returns true iff the test should be run on this shard. The test id is
272// some arbitrary but unique non-negative integer assigned to each test
273// method. Assumes that 0 <= shard_index < total_shards.
274GTEST_API_ bool ShouldRunTestOnShard(
275    int total_shards, int shard_index, int test_id);
276
277// STL container utilities.
278
279// Returns the number of elements in the given container that satisfy
280// the given predicate.
281template <class Container, typename Predicate>
282inline int CountIf(const Container& c, Predicate predicate) {
283  // Implemented as an explicit loop since std::count_if() in libCstd on
284  // Solaris has a non-standard signature.
285  int count = 0;
286  for (typename Container::const_iterator it = c.begin(); it != c.end(); ++it) {
287    if (predicate(*it))
288      ++count;
289  }
290  return count;
291}
292
293// Applies a function/functor to each element in the container.
294template <class Container, typename Functor>
295void ForEach(const Container& c, Functor functor) {
296  std::for_each(c.begin(), c.end(), functor);
297}
298
299// Returns the i-th element of the vector, or default_value if i is not
300// in range [0, v.size()).
301template <typename E>
302inline E GetElementOr(const std::vector<E>& v, int i, E default_value) {
303  return (i < 0 || i >= static_cast<int>(v.size())) ? default_value : v[i];
304}
305
306// Performs an in-place shuffle of a range of the vector's elements.
307// 'begin' and 'end' are element indices as an STL-style range;
308// i.e. [begin, end) are shuffled, where 'end' == size() means to
309// shuffle to the end of the vector.
310template <typename E>
311void ShuffleRange(internal::Random* random, int begin, int end,
312                  std::vector<E>* v) {
313  const int size = static_cast<int>(v->size());
314  GTEST_CHECK_(0 <= begin && begin <= size)
315      << "Invalid shuffle range start " << begin << ": must be in range [0, "
316      << size << "].";
317  GTEST_CHECK_(begin <= end && end <= size)
318      << "Invalid shuffle range finish " << end << ": must be in range ["
319      << begin << ", " << size << "].";
320
321  // Fisher-Yates shuffle, from
322  // http://en.wikipedia.org/wiki/Fisher-Yates_shuffle
323  for (int range_width = end - begin; range_width >= 2; range_width--) {
324    const int last_in_range = begin + range_width - 1;
325    const int selected = begin + random->Generate(range_width);
326    std::swap((*v)[selected], (*v)[last_in_range]);
327  }
328}
329
330// Performs an in-place shuffle of the vector's elements.
331template <typename E>
332inline void Shuffle(internal::Random* random, std::vector<E>* v) {
333  ShuffleRange(random, 0, static_cast<int>(v->size()), v);
334}
335
336// A function for deleting an object.  Handy for being used as a
337// functor.
338template <typename T>
339static void Delete(T* x) {
340  delete x;
341}
342
343// A predicate that checks the key of a TestProperty against a known key.
344//
345// TestPropertyKeyIs is copyable.
346class TestPropertyKeyIs {
347 public:
348  // Constructor.
349  //
350  // TestPropertyKeyIs has NO default constructor.
351  explicit TestPropertyKeyIs(const std::string& key) : key_(key) {}
352
353  // Returns true iff the test name of test property matches on key_.
354  bool operator()(const TestProperty& test_property) const {
355    return test_property.key() == key_;
356  }
357
358 private:
359  std::string key_;
360};
361
362// Class UnitTestOptions.
363//
364// This class contains functions for processing options the user
365// specifies when running the tests.  It has only static members.
366//
367// In most cases, the user can specify an option using either an
368// environment variable or a command line flag.  E.g. you can set the
369// test filter using either GTEST_FILTER or --gtest_filter.  If both
370// the variable and the flag are present, the latter overrides the
371// former.
372class GTEST_API_ UnitTestOptions {
373 public:
374  // Functions for processing the gtest_output flag.
375
376  // Returns the output format, or "" for normal printed output.
377  static std::string GetOutputFormat();
378
379  // Returns the absolute path of the requested output file, or the
380  // default (test_detail.xml in the original working directory) if
381  // none was explicitly specified.
382  static std::string GetAbsolutePathToOutputFile();
383
384  // Functions for processing the gtest_filter flag.
385
386  // Returns true iff the wildcard pattern matches the string.  The
387  // first ':' or '\0' character in pattern marks the end of it.
388  //
389  // This recursive algorithm isn't very efficient, but is clear and
390  // works well enough for matching test names, which are short.
391  static bool PatternMatchesString(const char *pattern, const char *str);
392
393  // Returns true iff the user-specified filter matches the test case
394  // name and the test name.
395  static bool FilterMatchesTest(const std::string &test_case_name,
396                                const std::string &test_name);
397
398#if GTEST_OS_WINDOWS
399  // Function for supporting the gtest_catch_exception flag.
400
401  // Returns EXCEPTION_EXECUTE_HANDLER if Google Test should handle the
402  // given SEH exception, or EXCEPTION_CONTINUE_SEARCH otherwise.
403  // This function is useful as an __except condition.
404  static int GTestShouldProcessSEH(DWORD exception_code);
405#endif  // GTEST_OS_WINDOWS
406
407  // Returns true if "name" matches the ':' separated list of glob-style
408  // filters in "filter".
409  static bool MatchesFilter(const std::string& name, const char* filter);
410};
411
412// Returns the current application's name, removing directory path if that
413// is present.  Used by UnitTestOptions::GetOutputFile.
414GTEST_API_ FilePath GetCurrentExecutableName();
415
416// The role interface for getting the OS stack trace as a string.
417class OsStackTraceGetterInterface {
418 public:
419  OsStackTraceGetterInterface() {}
420  virtual ~OsStackTraceGetterInterface() {}
421
422  // Returns the current OS stack trace as an std::string.  Parameters:
423  //
424  //   max_depth  - the maximum number of stack frames to be included
425  //                in the trace.
426  //   skip_count - the number of top frames to be skipped; doesn't count
427  //                against max_depth.
428  virtual string CurrentStackTrace(int max_depth, int skip_count) = 0;
429
430  // UponLeavingGTest() should be called immediately before Google Test calls
431  // user code. It saves some information about the current stack that
432  // CurrentStackTrace() will use to find and hide Google Test stack frames.
433  virtual void UponLeavingGTest() = 0;
434
435 private:
436  GTEST_DISALLOW_COPY_AND_ASSIGN_(OsStackTraceGetterInterface);
437};
438
439// A working implementation of the OsStackTraceGetterInterface interface.
440class OsStackTraceGetter : public OsStackTraceGetterInterface {
441 public:
442  OsStackTraceGetter() : caller_frame_(NULL) {}
443
444  virtual string CurrentStackTrace(int max_depth, int skip_count)
445      GTEST_LOCK_EXCLUDED_(mutex_);
446
447  virtual void UponLeavingGTest() GTEST_LOCK_EXCLUDED_(mutex_);
448
449  // This string is inserted in place of stack frames that are part of
450  // Google Test's implementation.
451  static const char* const kElidedFramesMarker;
452
453 private:
454  Mutex mutex_;  // protects all internal state
455
456  // We save the stack frame below the frame that calls user code.
457  // We do this because the address of the frame immediately below
458  // the user code changes between the call to UponLeavingGTest()
459  // and any calls to CurrentStackTrace() from within the user code.
460  void* caller_frame_;
461
462  GTEST_DISALLOW_COPY_AND_ASSIGN_(OsStackTraceGetter);
463};
464
465// Information about a Google Test trace point.
466struct TraceInfo {
467  const char* file;
468  int line;
469  std::string message;
470};
471
472// This is the default global test part result reporter used in UnitTestImpl.
473// This class should only be used by UnitTestImpl.
474class DefaultGlobalTestPartResultReporter
475  : public TestPartResultReporterInterface {
476 public:
477  explicit DefaultGlobalTestPartResultReporter(UnitTestImpl* unit_test);
478  // Implements the TestPartResultReporterInterface. Reports the test part
479  // result in the current test.
480  virtual void ReportTestPartResult(const TestPartResult& result);
481
482 private:
483  UnitTestImpl* const unit_test_;
484
485  GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultGlobalTestPartResultReporter);
486};
487
488// This is the default per thread test part result reporter used in
489// UnitTestImpl. This class should only be used by UnitTestImpl.
490class DefaultPerThreadTestPartResultReporter
491    : public TestPartResultReporterInterface {
492 public:
493  explicit DefaultPerThreadTestPartResultReporter(UnitTestImpl* unit_test);
494  // Implements the TestPartResultReporterInterface. The implementation just
495  // delegates to the current global test part result reporter of *unit_test_.
496  virtual void ReportTestPartResult(const TestPartResult& result);
497
498 private:
499  UnitTestImpl* const unit_test_;
500
501  GTEST_DISALLOW_COPY_AND_ASSIGN_(DefaultPerThreadTestPartResultReporter);
502};
503
504// The private implementation of the UnitTest class.  We don't protect
505// the methods under a mutex, as this class is not accessible by a
506// user and the UnitTest class that delegates work to this class does
507// proper locking.
508class GTEST_API_ UnitTestImpl {
509 public:
510  explicit UnitTestImpl(UnitTest* parent);
511  virtual ~UnitTestImpl();
512
513  // There are two different ways to register your own TestPartResultReporter.
514  // You can register your own repoter to listen either only for test results
515  // from the current thread or for results from all threads.
516  // By default, each per-thread test result repoter just passes a new
517  // TestPartResult to the global test result reporter, which registers the
518  // test part result for the currently running test.
519
520  // Returns the global test part result reporter.
521  TestPartResultReporterInterface* GetGlobalTestPartResultReporter();
522
523  // Sets the global test part result reporter.
524  void SetGlobalTestPartResultReporter(
525      TestPartResultReporterInterface* reporter);
526
527  // Returns the test part result reporter for the current thread.
528  TestPartResultReporterInterface* GetTestPartResultReporterForCurrentThread();
529
530  // Sets the test part result reporter for the current thread.
531  void SetTestPartResultReporterForCurrentThread(
532      TestPartResultReporterInterface* reporter);
533
534  // Gets the number of successful test cases.
535  int successful_test_case_count() const;
536
537  // Gets the number of failed test cases.
538  int failed_test_case_count() const;
539
540  // Gets the number of all test cases.
541  int total_test_case_count() const;
542
543  // Gets the number of all test cases that contain at least one test
544  // that should run.
545  int test_case_to_run_count() const;
546
547  // Gets the number of successful tests.
548  int successful_test_count() const;
549
550  // Gets the number of failed tests.
551  int failed_test_count() const;
552
553  // Gets the number of disabled tests that will be reported in the XML report.
554  int reportable_disabled_test_count() const;
555
556  // Gets the number of disabled tests.
557  int disabled_test_count() const;
558
559  // Gets the number of tests to be printed in the XML report.
560  int reportable_test_count() const;
561
562  // Gets the number of all tests.
563  int total_test_count() const;
564
565  // Gets the number of tests that should run.
566  int test_to_run_count() const;
567
568  // Gets the time of the test program start, in ms from the start of the
569  // UNIX epoch.
570  TimeInMillis start_timestamp() const { return start_timestamp_; }
571
572  // Gets the elapsed time, in milliseconds.
573  TimeInMillis elapsed_time() const { return elapsed_time_; }
574
575  // Returns true iff the unit test passed (i.e. all test cases passed).
576  bool Passed() const { return !Failed(); }
577
578  // Returns true iff the unit test failed (i.e. some test case failed
579  // or something outside of all tests failed).
580  bool Failed() const {
581    return failed_test_case_count() > 0 || ad_hoc_test_result()->Failed();
582  }
583
584  // Gets the i-th test case among all the test cases. i can range from 0 to
585  // total_test_case_count() - 1. If i is not in that range, returns NULL.
586  const TestCase* GetTestCase(int i) const {
587    const int index = GetElementOr(test_case_indices_, i, -1);
588    return index < 0 ? NULL : test_cases_[i];
589  }
590
591  // Gets the i-th test case among all the test cases. i can range from 0 to
592  // total_test_case_count() - 1. If i is not in that range, returns NULL.
593  TestCase* GetMutableTestCase(int i) {
594    const int index = GetElementOr(test_case_indices_, i, -1);
595    return index < 0 ? NULL : test_cases_[index];
596  }
597
598  // Provides access to the event listener list.
599  TestEventListeners* listeners() { return &listeners_; }
600
601  // Returns the TestResult for the test that's currently running, or
602  // the TestResult for the ad hoc test if no test is running.
603  TestResult* current_test_result();
604
605  // Returns the TestResult for the ad hoc test.
606  const TestResult* ad_hoc_test_result() const { return &ad_hoc_test_result_; }
607
608  // Sets the OS stack trace getter.
609  //
610  // Does nothing if the input and the current OS stack trace getter
611  // are the same; otherwise, deletes the old getter and makes the
612  // input the current getter.
613  void set_os_stack_trace_getter(OsStackTraceGetterInterface* getter);
614
615  // Returns the current OS stack trace getter if it is not NULL;
616  // otherwise, creates an OsStackTraceGetter, makes it the current
617  // getter, and returns it.
618  OsStackTraceGetterInterface* os_stack_trace_getter();
619
620  // Returns the current OS stack trace as an std::string.
621  //
622  // The maximum number of stack frames to be included is specified by
623  // the gtest_stack_trace_depth flag.  The skip_count parameter
624  // specifies the number of top frames to be skipped, which doesn't
625  // count against the number of frames to be included.
626  //
627  // For example, if Foo() calls Bar(), which in turn calls
628  // CurrentOsStackTraceExceptTop(1), Foo() will be included in the
629  // trace but Bar() and CurrentOsStackTraceExceptTop() won't.
630  std::string CurrentOsStackTraceExceptTop(int skip_count) GTEST_NO_INLINE_;
631
632  // Finds and returns a TestCase with the given name.  If one doesn't
633  // exist, creates one and returns it.
634  //
635  // Arguments:
636  //
637  //   test_case_name: name of the test case
638  //   type_param:     the name of the test's type parameter, or NULL if
639  //                   this is not a typed or a type-parameterized test.
640  //   set_up_tc:      pointer to the function that sets up the test case
641  //   tear_down_tc:   pointer to the function that tears down the test case
642  TestCase* GetTestCase(const char* test_case_name,
643                        const char* type_param,
644                        Test::SetUpTestCaseFunc set_up_tc,
645                        Test::TearDownTestCaseFunc tear_down_tc);
646
647  // Adds a TestInfo to the unit test.
648  //
649  // Arguments:
650  //
651  //   set_up_tc:    pointer to the function that sets up the test case
652  //   tear_down_tc: pointer to the function that tears down the test case
653  //   test_info:    the TestInfo object
654  void AddTestInfo(Test::SetUpTestCaseFunc set_up_tc,
655                   Test::TearDownTestCaseFunc tear_down_tc,
656                   TestInfo* test_info) {
657    // In order to support thread-safe death tests, we need to
658    // remember the original working directory when the test program
659    // was first invoked.  We cannot do this in RUN_ALL_TESTS(), as
660    // the user may have changed the current directory before calling
661    // RUN_ALL_TESTS().  Therefore we capture the current directory in
662    // AddTestInfo(), which is called to register a TEST or TEST_F
663    // before main() is reached.
664    if (original_working_dir_.IsEmpty()) {
665      original_working_dir_.Set(FilePath::GetCurrentDir());
666      GTEST_CHECK_(!original_working_dir_.IsEmpty())
667          << "Failed to get the current working directory.";
668    }
669
670    GetTestCase(test_info->test_case_name(),
671                test_info->type_param(),
672                set_up_tc,
673                tear_down_tc)->AddTestInfo(test_info);
674  }
675
676#if GTEST_HAS_PARAM_TEST
677  // Returns ParameterizedTestCaseRegistry object used to keep track of
678  // value-parameterized tests and instantiate and register them.
679  internal::ParameterizedTestCaseRegistry& parameterized_test_registry() {
680    return parameterized_test_registry_;
681  }
682#endif  // GTEST_HAS_PARAM_TEST
683
684  // Sets the TestCase object for the test that's currently running.
685  void set_current_test_case(TestCase* a_current_test_case) {
686    current_test_case_ = a_current_test_case;
687  }
688
689  // Sets the TestInfo object for the test that's currently running.  If
690  // current_test_info is NULL, the assertion results will be stored in
691  // ad_hoc_test_result_.
692  void set_current_test_info(TestInfo* a_current_test_info) {
693    current_test_info_ = a_current_test_info;
694  }
695
696  // Registers all parameterized tests defined using TEST_P and
697  // INSTANTIATE_TEST_CASE_P, creating regular tests for each test/parameter
698  // combination. This method can be called more then once; it has guards
699  // protecting from registering the tests more then once.  If
700  // value-parameterized tests are disabled, RegisterParameterizedTests is
701  // present but does nothing.
702  void RegisterParameterizedTests();
703
704  // Runs all tests in this UnitTest object, prints the result, and
705  // returns true if all tests are successful.  If any exception is
706  // thrown during a test, this test is considered to be failed, but
707  // the rest of the tests will still be run.
708  bool RunAllTests();
709
710  // Clears the results of all tests, except the ad hoc tests.
711  void ClearNonAdHocTestResult() {
712    ForEach(test_cases_, TestCase::ClearTestCaseResult);
713  }
714
715  // Clears the results of ad-hoc test assertions.
716  void ClearAdHocTestResult() {
717    ad_hoc_test_result_.Clear();
718  }
719
720  // Adds a TestProperty to the current TestResult object when invoked in a
721  // context of a test or a test case, or to the global property set. If the
722  // result already contains a property with the same key, the value will be
723  // updated.
724  void RecordProperty(const TestProperty& test_property);
725
726  enum ReactionToSharding {
727    HONOR_SHARDING_PROTOCOL,
728    IGNORE_SHARDING_PROTOCOL
729  };
730
731  // Matches the full name of each test against the user-specified
732  // filter to decide whether the test should run, then records the
733  // result in each TestCase and TestInfo object.
734  // If shard_tests == HONOR_SHARDING_PROTOCOL, further filters tests
735  // based on sharding variables in the environment.
736  // Returns the number of tests that should run.
737  int FilterTests(ReactionToSharding shard_tests);
738
739  // Prints the names of the tests matching the user-specified filter flag.
740  void ListTestsMatchingFilter();
741
742  const TestCase* current_test_case() const { return current_test_case_; }
743  TestInfo* current_test_info() { return current_test_info_; }
744  const TestInfo* current_test_info() const { return current_test_info_; }
745
746  // Returns the vector of environments that need to be set-up/torn-down
747  // before/after the tests are run.
748  std::vector<Environment*>& environments() { return environments_; }
749
750  // Getters for the per-thread Google Test trace stack.
751  std::vector<TraceInfo>& gtest_trace_stack() {
752    return *(gtest_trace_stack_.pointer());
753  }
754  const std::vector<TraceInfo>& gtest_trace_stack() const {
755    return gtest_trace_stack_.get();
756  }
757
758#if GTEST_HAS_DEATH_TEST
759  void InitDeathTestSubprocessControlInfo() {
760    internal_run_death_test_flag_.reset(ParseInternalRunDeathTestFlag());
761  }
762  // Returns a pointer to the parsed --gtest_internal_run_death_test
763  // flag, or NULL if that flag was not specified.
764  // This information is useful only in a death test child process.
765  // Must not be called before a call to InitGoogleTest.
766  const InternalRunDeathTestFlag* internal_run_death_test_flag() const {
767    return internal_run_death_test_flag_.get();
768  }
769
770  // Returns a pointer to the current death test factory.
771  internal::DeathTestFactory* death_test_factory() {
772    return death_test_factory_.get();
773  }
774
775  void SuppressTestEventsIfInSubprocess();
776
777  friend class ReplaceDeathTestFactory;
778#endif  // GTEST_HAS_DEATH_TEST
779
780  // Initializes the event listener performing XML output as specified by
781  // UnitTestOptions. Must not be called before InitGoogleTest.
782  void ConfigureXmlOutput();
783
784#if GTEST_CAN_STREAM_RESULTS_
785  // Initializes the event listener for streaming test results to a socket.
786  // Must not be called before InitGoogleTest.
787  void ConfigureStreamingOutput();
788#endif
789
790  // Performs initialization dependent upon flag values obtained in
791  // ParseGoogleTestFlagsOnly.  Is called from InitGoogleTest after the call to
792  // ParseGoogleTestFlagsOnly.  In case a user neglects to call InitGoogleTest
793  // this function is also called from RunAllTests.  Since this function can be
794  // called more than once, it has to be idempotent.
795  void PostFlagParsingInit();
796
797  // Gets the random seed used at the start of the current test iteration.
798  int random_seed() const { return random_seed_; }
799
800  // Gets the random number generator.
801  internal::Random* random() { return &random_; }
802
803  // Shuffles all test cases, and the tests within each test case,
804  // making sure that death tests are still run first.
805  void ShuffleTests();
806
807  // Restores the test cases and tests to their order before the first shuffle.
808  void UnshuffleTests();
809
810  // Returns the value of GTEST_FLAG(catch_exceptions) at the moment
811  // UnitTest::Run() starts.
812  bool catch_exceptions() const { return catch_exceptions_; }
813
814 private:
815  friend class ::testing::UnitTest;
816
817  // Used by UnitTest::Run() to capture the state of
818  // GTEST_FLAG(catch_exceptions) at the moment it starts.
819  void set_catch_exceptions(bool value) { catch_exceptions_ = value; }
820
821  // The UnitTest object that owns this implementation object.
822  UnitTest* const parent_;
823
824  // The working directory when the first TEST() or TEST_F() was
825  // executed.
826  internal::FilePath original_working_dir_;
827
828  // The default test part result reporters.
829  DefaultGlobalTestPartResultReporter default_global_test_part_result_reporter_;
830  DefaultPerThreadTestPartResultReporter
831      default_per_thread_test_part_result_reporter_;
832
833  // Points to (but doesn't own) the global test part result reporter.
834  TestPartResultReporterInterface* global_test_part_result_repoter_;
835
836  // Protects read and write access to global_test_part_result_reporter_.
837  internal::Mutex global_test_part_result_reporter_mutex_;
838
839  // Points to (but doesn't own) the per-thread test part result reporter.
840  internal::ThreadLocal<TestPartResultReporterInterface*>
841      per_thread_test_part_result_reporter_;
842
843  // The vector of environments that need to be set-up/torn-down
844  // before/after the tests are run.
845  std::vector<Environment*> environments_;
846
847  // The vector of TestCases in their original order.  It owns the
848  // elements in the vector.
849  std::vector<TestCase*> test_cases_;
850
851  // Provides a level of indirection for the test case list to allow
852  // easy shuffling and restoring the test case order.  The i-th
853  // element of this vector is the index of the i-th test case in the
854  // shuffled order.
855  std::vector<int> test_case_indices_;
856
857#if GTEST_HAS_PARAM_TEST
858  // ParameterizedTestRegistry object used to register value-parameterized
859  // tests.
860  internal::ParameterizedTestCaseRegistry parameterized_test_registry_;
861
862  // Indicates whether RegisterParameterizedTests() has been called already.
863  bool parameterized_tests_registered_;
864#endif  // GTEST_HAS_PARAM_TEST
865
866  // Index of the last death test case registered.  Initially -1.
867  int last_death_test_case_;
868
869  // This points to the TestCase for the currently running test.  It
870  // changes as Google Test goes through one test case after another.
871  // When no test is running, this is set to NULL and Google Test
872  // stores assertion results in ad_hoc_test_result_.  Initially NULL.
873  TestCase* current_test_case_;
874
875  // This points to the TestInfo for the currently running test.  It
876  // changes as Google Test goes through one test after another.  When
877  // no test is running, this is set to NULL and Google Test stores
878  // assertion results in ad_hoc_test_result_.  Initially NULL.
879  TestInfo* current_test_info_;
880
881  // Normally, a user only writes assertions inside a TEST or TEST_F,
882  // or inside a function called by a TEST or TEST_F.  Since Google
883  // Test keeps track of which test is current running, it can
884  // associate such an assertion with the test it belongs to.
885  //
886  // If an assertion is encountered when no TEST or TEST_F is running,
887  // Google Test attributes the assertion result to an imaginary "ad hoc"
888  // test, and records the result in ad_hoc_test_result_.
889  TestResult ad_hoc_test_result_;
890
891  // The list of event listeners that can be used to track events inside
892  // Google Test.
893  TestEventListeners listeners_;
894
895  // The OS stack trace getter.  Will be deleted when the UnitTest
896  // object is destructed.  By default, an OsStackTraceGetter is used,
897  // but the user can set this field to use a custom getter if that is
898  // desired.
899  OsStackTraceGetterInterface* os_stack_trace_getter_;
900
901  // True iff PostFlagParsingInit() has been called.
902  bool post_flag_parse_init_performed_;
903
904  // The random number seed used at the beginning of the test run.
905  int random_seed_;
906
907  // Our random number generator.
908  internal::Random random_;
909
910  // The time of the test program start, in ms from the start of the
911  // UNIX epoch.
912  TimeInMillis start_timestamp_;
913
914  // How long the test took to run, in milliseconds.
915  TimeInMillis elapsed_time_;
916
917#if GTEST_HAS_DEATH_TEST
918  // The decomposed components of the gtest_internal_run_death_test flag,
919  // parsed when RUN_ALL_TESTS is called.
920  internal::scoped_ptr<InternalRunDeathTestFlag> internal_run_death_test_flag_;
921  internal::scoped_ptr<internal::DeathTestFactory> death_test_factory_;
922#endif  // GTEST_HAS_DEATH_TEST
923
924  // A per-thread stack of traces created by the SCOPED_TRACE() macro.
925  internal::ThreadLocal<std::vector<TraceInfo> > gtest_trace_stack_;
926
927  // The value of GTEST_FLAG(catch_exceptions) at the moment RunAllTests()
928  // starts.
929  bool catch_exceptions_;
930
931  GTEST_DISALLOW_COPY_AND_ASSIGN_(UnitTestImpl);
932};  // class UnitTestImpl
933
934// Convenience function for accessing the global UnitTest
935// implementation object.
936inline UnitTestImpl* GetUnitTestImpl() {
937  return UnitTest::GetInstance()->impl();
938}
939
940#if GTEST_USES_SIMPLE_RE
941
942// Internal helper functions for implementing the simple regular
943// expression matcher.
944GTEST_API_ bool IsInSet(char ch, const char* str);
945GTEST_API_ bool IsAsciiDigit(char ch);
946GTEST_API_ bool IsAsciiPunct(char ch);
947GTEST_API_ bool IsRepeat(char ch);
948GTEST_API_ bool IsAsciiWhiteSpace(char ch);
949GTEST_API_ bool IsAsciiWordChar(char ch);
950GTEST_API_ bool IsValidEscape(char ch);
951GTEST_API_ bool AtomMatchesChar(bool escaped, char pattern, char ch);
952GTEST_API_ bool ValidateRegex(const char* regex);
953GTEST_API_ bool MatchRegexAtHead(const char* regex, const char* str);
954GTEST_API_ bool MatchRepetitionAndRegexAtHead(
955    bool escaped, char ch, char repeat, const char* regex, const char* str);
956GTEST_API_ bool MatchRegexAnywhere(const char* regex, const char* str);
957
958#endif  // GTEST_USES_SIMPLE_RE
959
960// Parses the command line for Google Test flags, without initializing
961// other parts of Google Test.
962GTEST_API_ void ParseGoogleTestFlagsOnly(int* argc, char** argv);
963GTEST_API_ void ParseGoogleTestFlagsOnly(int* argc, wchar_t** argv);
964
965#if GTEST_HAS_DEATH_TEST
966
967// Returns the message describing the last system error, regardless of the
968// platform.
969GTEST_API_ std::string GetLastErrnoDescription();
970
971# if GTEST_OS_WINDOWS
972// Provides leak-safe Windows kernel handle ownership.
973class AutoHandle {
974 public:
975  AutoHandle() : handle_(INVALID_HANDLE_VALUE) {}
976  explicit AutoHandle(HANDLE handle) : handle_(handle) {}
977
978  ~AutoHandle() { Reset(); }
979
980  HANDLE Get() const { return handle_; }
981  void Reset() { Reset(INVALID_HANDLE_VALUE); }
982  void Reset(HANDLE handle) {
983    if (handle != handle_) {
984      if (handle_ != INVALID_HANDLE_VALUE)
985        ::CloseHandle(handle_);
986      handle_ = handle;
987    }
988  }
989
990 private:
991  HANDLE handle_;
992
993  GTEST_DISALLOW_COPY_AND_ASSIGN_(AutoHandle);
994};
995# endif  // GTEST_OS_WINDOWS
996
997// Attempts to parse a string into a positive integer pointed to by the
998// number parameter.  Returns true if that is possible.
999// GTEST_HAS_DEATH_TEST implies that we have ::std::string, so we can use
1000// it here.
1001template <typename Integer>
1002bool ParseNaturalNumber(const ::std::string& str, Integer* number) {
1003  // Fail fast if the given string does not begin with a digit;
1004  // this bypasses strtoXXX's "optional leading whitespace and plus
1005  // or minus sign" semantics, which are undesirable here.
1006  if (str.empty() || !IsDigit(str[0])) {
1007    return false;
1008  }
1009  errno = 0;
1010
1011  char* end;
1012  // BiggestConvertible is the largest integer type that system-provided
1013  // string-to-number conversion routines can return.
1014
1015# if GTEST_OS_WINDOWS && !defined(__GNUC__)
1016
1017  // MSVC and C++ Builder define __int64 instead of the standard long long.
1018  typedef unsigned __int64 BiggestConvertible;
1019  const BiggestConvertible parsed = _strtoui64(str.c_str(), &end, 10);
1020
1021# else
1022
1023  typedef unsigned long long BiggestConvertible;  // NOLINT
1024  const BiggestConvertible parsed = strtoull(str.c_str(), &end, 10);
1025
1026# endif  // GTEST_OS_WINDOWS && !defined(__GNUC__)
1027
1028  const bool parse_success = *end == '\0' && errno == 0;
1029
1030  // TODO(vladl@google.com): Convert this to compile time assertion when it is
1031  // available.
1032  GTEST_CHECK_(sizeof(Integer) <= sizeof(parsed));
1033
1034  const Integer result = static_cast<Integer>(parsed);
1035  if (parse_success && static_cast<BiggestConvertible>(result) == parsed) {
1036    *number = result;
1037    return true;
1038  }
1039  return false;
1040}
1041#endif  // GTEST_HAS_DEATH_TEST
1042
1043// TestResult contains some private methods that should be hidden from
1044// Google Test user but are required for testing. This class allow our tests
1045// to access them.
1046//
1047// This class is supplied only for the purpose of testing Google Test's own
1048// constructs. Do not use it in user tests, either directly or indirectly.
1049class TestResultAccessor {
1050 public:
1051  static void RecordProperty(TestResult* test_result,
1052                             const std::string& xml_element,
1053                             const TestProperty& property) {
1054    test_result->RecordProperty(xml_element, property);
1055  }
1056
1057  static void ClearTestPartResults(TestResult* test_result) {
1058    test_result->ClearTestPartResults();
1059  }
1060
1061  static const std::vector<testing::TestPartResult>& test_part_results(
1062      const TestResult& test_result) {
1063    return test_result.test_part_results();
1064  }
1065};
1066
1067#if GTEST_CAN_STREAM_RESULTS_
1068
1069// Streams test results to the given port on the given host machine.
1070class StreamingListener : public EmptyTestEventListener {
1071 public:
1072  // Abstract base class for writing strings to a socket.
1073  class AbstractSocketWriter {
1074   public:
1075    virtual ~AbstractSocketWriter() {}
1076
1077    // Sends a string to the socket.
1078    virtual void Send(const string& message) = 0;
1079
1080    // Closes the socket.
1081    virtual void CloseConnection() {}
1082
1083    // Sends a string and a newline to the socket.
1084    void SendLn(const string& message) {
1085      Send(message + "\n");
1086    }
1087  };
1088
1089  // Concrete class for actually writing strings to a socket.
1090  class SocketWriter : public AbstractSocketWriter {
1091   public:
1092    SocketWriter(const string& host, const string& port)
1093        : sockfd_(-1), host_name_(host), port_num_(port) {
1094      MakeConnection();
1095    }
1096
1097    virtual ~SocketWriter() {
1098      if (sockfd_ != -1)
1099        CloseConnection();
1100    }
1101
1102    // Sends a string to the socket.
1103    virtual void Send(const string& message) {
1104      GTEST_CHECK_(sockfd_ != -1)
1105          << "Send() can be called only when there is a connection.";
1106
1107      const int len = static_cast<int>(message.length());
1108      if (write(sockfd_, message.c_str(), len) != len) {
1109        GTEST_LOG_(WARNING)
1110            << "stream_result_to: failed to stream to "
1111            << host_name_ << ":" << port_num_;
1112      }
1113    }
1114
1115   private:
1116    // Creates a client socket and connects to the server.
1117    void MakeConnection();
1118
1119    // Closes the socket.
1120    void CloseConnection() {
1121      GTEST_CHECK_(sockfd_ != -1)
1122          << "CloseConnection() can be called only when there is a connection.";
1123
1124      close(sockfd_);
1125      sockfd_ = -1;
1126    }
1127
1128    int sockfd_;  // socket file descriptor
1129    const string host_name_;
1130    const string port_num_;
1131
1132    GTEST_DISALLOW_COPY_AND_ASSIGN_(SocketWriter);
1133  };  // class SocketWriter
1134
1135  // Escapes '=', '&', '%', and '\n' characters in str as "%xx".
1136  static string UrlEncode(const char* str);
1137
1138  StreamingListener(const string& host, const string& port)
1139      : socket_writer_(new SocketWriter(host, port)) { Start(); }
1140
1141  explicit StreamingListener(AbstractSocketWriter* socket_writer)
1142      : socket_writer_(socket_writer) { Start(); }
1143
1144  void OnTestProgramStart(const UnitTest& /* unit_test */) {
1145    SendLn("event=TestProgramStart");
1146  }
1147
1148  void OnTestProgramEnd(const UnitTest& unit_test) {
1149    // Note that Google Test current only report elapsed time for each
1150    // test iteration, not for the entire test program.
1151    SendLn("event=TestProgramEnd&passed=" + FormatBool(unit_test.Passed()));
1152
1153    // Notify the streaming server to stop.
1154    socket_writer_->CloseConnection();
1155  }
1156
1157  void OnTestIterationStart(const UnitTest& /* unit_test */, int iteration) {
1158    SendLn("event=TestIterationStart&iteration=" +
1159           StreamableToString(iteration));
1160  }
1161
1162  void OnTestIterationEnd(const UnitTest& unit_test, int /* iteration */) {
1163    SendLn("event=TestIterationEnd&passed=" +
1164           FormatBool(unit_test.Passed()) + "&elapsed_time=" +
1165           StreamableToString(unit_test.elapsed_time()) + "ms");
1166  }
1167
1168  void OnTestCaseStart(const TestCase& test_case) {
1169    SendLn(std::string("event=TestCaseStart&name=") + test_case.name());
1170  }
1171
1172  void OnTestCaseEnd(const TestCase& test_case) {
1173    SendLn("event=TestCaseEnd&passed=" + FormatBool(test_case.Passed())
1174           + "&elapsed_time=" + StreamableToString(test_case.elapsed_time())
1175           + "ms");
1176  }
1177
1178  void OnTestStart(const TestInfo& test_info) {
1179    SendLn(std::string("event=TestStart&name=") + test_info.name());
1180  }
1181
1182  void OnTestEnd(const TestInfo& test_info) {
1183    SendLn("event=TestEnd&passed=" +
1184           FormatBool((test_info.result())->Passed()) +
1185           "&elapsed_time=" +
1186           StreamableToString((test_info.result())->elapsed_time()) + "ms");
1187  }
1188
1189  void OnTestPartResult(const TestPartResult& test_part_result) {
1190    const char* file_name = test_part_result.file_name();
1191    if (file_name == NULL)
1192      file_name = "";
1193    SendLn("event=TestPartResult&file=" + UrlEncode(file_name) +
1194           "&line=" + StreamableToString(test_part_result.line_number()) +
1195           "&message=" + UrlEncode(test_part_result.message()));
1196  }
1197
1198 private:
1199  // Sends the given message and a newline to the socket.
1200  void SendLn(const string& message) { socket_writer_->SendLn(message); }
1201
1202  // Called at the start of streaming to notify the receiver what
1203  // protocol we are using.
1204  void Start() { SendLn("gtest_streaming_protocol_version=1.0"); }
1205
1206  string FormatBool(bool value) { return value ? "1" : "0"; }
1207
1208  const scoped_ptr<AbstractSocketWriter> socket_writer_;
1209
1210  GTEST_DISALLOW_COPY_AND_ASSIGN_(StreamingListener);
1211};  // class StreamingListener
1212
1213#endif  // GTEST_CAN_STREAM_RESULTS_
1214
1215}  // namespace internal
1216}  // namespace testing
1217
1218#endif  // GTEST_SRC_GTEST_INTERNAL_INL_H_
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