LCOV - code coverage report
Current view: top level - test/cctest - test-log.cc (source / functions) Hit Total Coverage
Test: app.info Lines: 381 437 87.2 %
Date: 2019-02-19 Functions: 35 50 70.0 %

          Line data    Source code
       1             : // Copyright 2006-2009 the V8 project authors. All rights reserved.
       2             : // Redistribution and use in source and binary forms, with or without
       3             : // modification, are permitted provided that the following conditions are
       4             : // met:
       5             : //
       6             : //     * Redistributions of source code must retain the above copyright
       7             : //       notice, this list of conditions and the following disclaimer.
       8             : //     * Redistributions in binary form must reproduce the above
       9             : //       copyright notice, this list of conditions and the following
      10             : //       disclaimer in the documentation and/or other materials provided
      11             : //       with the distribution.
      12             : //     * Neither the name of Google Inc. nor the names of its
      13             : //       contributors may be used to endorse or promote products derived
      14             : //       from this software without specific prior written permission.
      15             : //
      16             : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      17             : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      18             : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      19             : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      20             : // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      21             : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      22             : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      23             : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      24             : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      25             : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      26             : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      27             : //
      28             : // Tests of logging functions from log.h
      29             : 
      30             : #include <unordered_set>
      31             : #include <vector>
      32             : #include "src/api-inl.h"
      33             : #include "src/builtins/builtins.h"
      34             : #include "src/log-utils.h"
      35             : #include "src/log.h"
      36             : #include "src/objects-inl.h"
      37             : #include "src/ostreams.h"
      38             : #include "src/profiler/cpu-profiler.h"
      39             : #include "src/snapshot/natives.h"
      40             : #include "src/v8.h"
      41             : #include "src/version.h"
      42             : #include "src/vm-state-inl.h"
      43             : #include "test/cctest/cctest.h"
      44             : 
      45             : using v8::internal::Address;
      46             : using v8::internal::EmbeddedVector;
      47             : using v8::internal::Logger;
      48             : using v8::internal::StrLength;
      49             : 
      50             : namespace {
      51             : 
      52             : 
      53             : #define SETUP_FLAGS()                            \
      54             :   bool saved_log = i::FLAG_log;                  \
      55             :   bool saved_prof = i::FLAG_prof;                \
      56             :   i::FLAG_log = true;                            \
      57             :   i::FLAG_prof = true;                           \
      58             :   i::FLAG_logfile = i::Log::kLogToTemporaryFile; \
      59             :   i::FLAG_logfile_per_isolate = false
      60             : 
      61       24419 : static std::vector<std::string> Split(const std::string& s, char delimiter) {
      62             :   std::vector<std::string> result;
      63             :   std::string line;
      64       48838 :   std::istringstream stream(s);
      65      332797 :   while (std::getline(stream, line, delimiter)) {
      66      129770 :     result.push_back(line);
      67             :   }
      68       24419 :   return result;
      69             : }
      70             : 
      71             : class ScopedLoggerInitializer {
      72             :  public:
      73         120 :   ScopedLoggerInitializer(bool saved_log, bool saved_prof, v8::Isolate* isolate)
      74             :       : saved_log_(saved_log),
      75             :         saved_prof_(saved_prof),
      76             :         temp_file_(nullptr),
      77             :         isolate_(isolate),
      78             :         isolate_scope_(isolate),
      79             :         scope_(isolate),
      80          60 :         env_(v8::Context::New(isolate)),
      81         240 :         logger_(reinterpret_cast<i::Isolate*>(isolate)->logger()) {
      82          60 :     env_->Enter();
      83          60 :   }
      84             : 
      85         180 :   ~ScopedLoggerInitializer() {
      86          60 :     env_->Exit();
      87          60 :     logger_->TearDown();
      88          60 :     if (temp_file_ != nullptr) fclose(temp_file_);
      89          60 :     i::FLAG_prof = saved_prof_;
      90          60 :     i::FLAG_log = saved_log_;
      91          60 :   }
      92             : 
      93             :   v8::Local<v8::Context>& env() { return env_; }
      94             : 
      95             :   v8::Isolate* isolate() { return isolate_; }
      96             : 
      97           5 :   i::Isolate* i_isolate() { return reinterpret_cast<i::Isolate*>(isolate()); }
      98             : 
      99             :   Logger* logger() { return logger_; }
     100             : 
     101           0 :   v8::Local<v8::String> GetLogString() {
     102           0 :     int length = static_cast<int>(raw_log_.size());
     103             :     return v8::String::NewFromUtf8(isolate_, raw_log_.c_str(),
     104           0 :                                    v8::NewStringType::kNormal, length)
     105           0 :         .ToLocalChecked();
     106             :   }
     107             : 
     108             :   void PrintLog() {
     109             :     i::StdoutStream os;
     110             :     os << raw_log_ << std::flush;
     111             :   }
     112             : 
     113         110 :   void StopLogging() {
     114          55 :     bool exists = false;
     115         110 :     raw_log_ = i::ReadFile(StopLoggingGetTempFile(), &exists, true);
     116         110 :     log_ = Split(raw_log_, '\n');
     117          55 :     CHECK(exists);
     118          55 :   }
     119             : 
     120             :   // Searches |log_| for a line which contains all the strings in |search_terms|
     121             :   // as substrings, starting from the index |start|, and returns the index of
     122             :   // the found line. Returns std::string::npos if no line is found.
     123       24586 :   size_t IndexOfLine(const std::vector<std::string>& search_terms,
     124             :                      size_t start = 0) {
     125      156928 :     for (size_t i = start; i < log_.size(); ++i) {
     126       78464 :       const std::string& line = log_.at(i);
     127             :       bool all_terms_found = true;
     128      253434 :       for (const std::string& term : search_terms) {
     129       96564 :         all_terms_found &= line.find(term) != std::string::npos;
     130             :       }
     131       78435 :       if (all_terms_found) return i;
     132             :     }
     133             :     return std::string::npos;
     134             :   }
     135             : 
     136             :   bool ContainsLine(const std::vector<std::string>& search_terms,
     137             :                     size_t start = 0) {
     138          94 :     return IndexOfLine(search_terms, start) != std::string::npos;
     139             :   }
     140             : 
     141             :   // Calls IndexOfLine for each set of substring terms in
     142             :   // |all_line_search_terms|, in order. Returns true if they're all found.
     143           8 :   bool ContainsLinesInOrder(
     144             :       const std::vector<std::vector<std::string>>& all_line_search_terms,
     145             :       size_t start = 0) {
     146          16 :     CHECK_GT(log_.size(), 0);
     147         117 :     for (auto& search_terms : all_line_search_terms) {
     148         101 :       start = IndexOfLine(search_terms, start);
     149         101 :       if (start == std::string::npos) return false;
     150         101 :       ++start;  // Skip the found line.
     151             :     }
     152             :     return true;
     153             :   }
     154             : 
     155          24 :   std::unordered_set<uintptr_t> ExtractLogAddresses(std::string search_term,
     156             :                                                     size_t address_column,
     157             :                                                     bool allow_duplicates) {
     158          48 :     CHECK_GT(log_.size(), 0);
     159             :     // Map addresses of Maps to log_lines.
     160          24 :     std::unordered_map<uintptr_t, std::string> map;
     161             :     size_t current = 0;
     162             :     while (true) {
     163       73164 :       current = IndexOfLine({search_term}, current);
     164       24388 :       if (current == std::string::npos) break;
     165       24364 :       std::string current_line = log_.at(current);
     166       48728 :       std::vector<std::string> columns = Split(current_line, ',');
     167       24364 :       ++current;  // Skip the found line.
     168             :       // TODO(crbug.com/v8/8084): These two continue lines should really be
     169             :       // errors. But on Windows the log is sometimes mysteriously cut off at the
     170             :       // end. If the cut-off point happens to fall in the address field, the
     171             :       // conditions will be triggered.
     172       48728 :       if (address_column >= columns.size()) continue;
     173             :       uintptr_t address =
     174       24364 :           strtoll(columns.at(address_column).c_str(), nullptr, 16);
     175       24364 :       if (address == 0) continue;
     176       24364 :       if (!allow_duplicates) {
     177             :         auto match = map.find(address);
     178             :         // Ignore same address but different log line.
     179       12182 :         if (match != map.end() && match->second.compare(current_line) == 0) {
     180           0 :           for (size_t i = 0; i < current; i++) {
     181             :             printf("%s\n", log_.at(i).c_str());
     182             :           }
     183             :           printf("%zu\n", current);
     184             :           V8_Fatal(__FILE__, __LINE__, "%s, ... %p apperead twice:\n    %s",
     185             :                    search_term.c_str(), reinterpret_cast<void*>(address),
     186           0 :                    current_line.c_str());
     187             :         }
     188             :       }
     189       24364 :       map.insert({address, current_line});
     190             :     }
     191             :     // Extract all keys.
     192          24 :     std::unordered_set<uintptr_t> result;
     193       24412 :     for (auto key_value : map) {
     194             :       result.insert(key_value.first);
     195             :     }
     196          24 :     return result;
     197             :   }
     198             : 
     199           5 :   void LogCodeObjects() { logger_->LogCodeObjects(); }
     200          15 :   void LogCompiledFunctions() { logger_->LogCompiledFunctions(); }
     201             : 
     202             :   void StringEvent(const char* name, const char* value) {
     203           0 :     logger_->StringEvent(name, value);
     204             :   }
     205             : 
     206             :  private:
     207          55 :   FILE* StopLoggingGetTempFile() {
     208          55 :     temp_file_ = logger_->TearDown();
     209          55 :     CHECK(temp_file_);
     210          55 :     fflush(temp_file_);
     211          55 :     rewind(temp_file_);
     212          55 :     return temp_file_;
     213             :   }
     214             : 
     215             :   const bool saved_log_;
     216             :   const bool saved_prof_;
     217             :   FILE* temp_file_;
     218             :   v8::Isolate* isolate_;
     219             :   v8::Isolate::Scope isolate_scope_;
     220             :   v8::HandleScope scope_;
     221             :   v8::Local<v8::Context> env_;
     222             :   Logger* logger_;
     223             : 
     224             :   std::string raw_log_;
     225             :   std::vector<std::string> log_;
     226             : 
     227             :   DISALLOW_COPY_AND_ASSIGN(ScopedLoggerInitializer);
     228             : };
     229             : 
     230          20 : class TestCodeEventHandler : public v8::CodeEventHandler {
     231             :  public:
     232             :   explicit TestCodeEventHandler(v8::Isolate* isolate)
     233          40 :       : v8::CodeEventHandler(isolate), isolate_(isolate) {}
     234             : 
     235          55 :   size_t CountLines(std::string prefix, std::string suffix = std::string()) {
     236          55 :     if (event_log_.empty()) return 0;
     237             : 
     238             :     size_t match = 0;
     239       46712 :     for (const std::string& line : event_log_) {
     240             :       size_t prefix_pos = line.find(prefix);
     241       46667 :       if (prefix_pos == std::string::npos) continue;
     242             :       size_t suffix_pos = line.rfind(suffix);
     243        5390 :       if (suffix_pos == std::string::npos) continue;
     244          48 :       if (suffix_pos != line.length() - suffix.length()) continue;
     245          48 :       if (prefix_pos >= suffix_pos) continue;
     246          48 :       match++;
     247             :     }
     248             : 
     249             :     return match;
     250             :   }
     251             : 
     252       20746 :   void Handle(v8::CodeEvent* code_event) override {
     253       20746 :     std::string log_line = "";
     254       20746 :     log_line += v8::CodeEvent::GetCodeEventTypeName(code_event->GetCodeType());
     255             :     log_line += " ";
     256       41492 :     log_line += FormatName(code_event);
     257       20746 :     event_log_.push_back(log_line);
     258       20746 :   }
     259             : 
     260             :  private:
     261       20746 :   std::string FormatName(v8::CodeEvent* code_event) {
     262       20746 :     std::string name = std::string(code_event->GetComment());
     263       20746 :     if (name.empty()) {
     264         120 :       v8::Local<v8::String> functionName = code_event->GetFunctionName();
     265         240 :       std::string buffer(functionName->Utf8Length(isolate_) + 1, 0);
     266             :       functionName->WriteUtf8(isolate_, &buffer[0],
     267         240 :                               functionName->Utf8Length(isolate_) + 1);
     268             :       // Sanitize name, removing unwanted \0 resulted from WriteUtf8
     269         240 :       name = std::string(buffer.c_str());
     270             :     }
     271             : 
     272       20746 :     return name;
     273             :   }
     274             : 
     275             :   std::vector<std::string> event_log_;
     276             :   v8::Isolate* isolate_;
     277             : };
     278             : 
     279             : }  // namespace
     280             : 
     281             : // Test for issue http://crbug.com/23768 in Chromium.
     282             : // Heap can contain scripts with already disposed external sources.
     283             : // We need to verify that LogCompiledFunctions doesn't crash on them.
     284             : namespace {
     285             : 
     286             : class SimpleExternalString : public v8::String::ExternalStringResource {
     287             :  public:
     288           5 :   explicit SimpleExternalString(const char* source)
     289           5 :       : utf_source_(StrLength(source)) {
     290         230 :     for (int i = 0; i < utf_source_.length(); ++i)
     291         335 :       utf_source_[i] = source[i];
     292           5 :   }
     293           5 :   ~SimpleExternalString() override = default;
     294          40 :   size_t length() const override { return utf_source_.length(); }
     295          25 :   const uint16_t* data() const override { return utf_source_.start(); }
     296             :  private:
     297             :   i::ScopedVector<uint16_t> utf_source_;
     298             : };
     299             : 
     300             : }  // namespace
     301             : 
     302       25880 : TEST(Issue23768) {
     303           5 :   v8::HandleScope scope(CcTest::isolate());
     304           5 :   v8::Local<v8::Context> env = v8::Context::New(CcTest::isolate());
     305           5 :   env->Enter();
     306             : 
     307           5 :   SimpleExternalString source_ext_str("(function ext() {})();");
     308             :   v8::Local<v8::String> source =
     309           5 :       v8::String::NewExternalTwoByte(CcTest::isolate(), &source_ext_str)
     310           5 :           .ToLocalChecked();
     311             :   // Script needs to have a name in order to trigger InitLineEnds execution.
     312             :   v8::Local<v8::String> origin =
     313             :       v8::String::NewFromUtf8(CcTest::isolate(), "issue-23768-test",
     314           5 :                               v8::NewStringType::kNormal)
     315          10 :           .ToLocalChecked();
     316           5 :   v8::Local<v8::Script> evil_script = CompileWithOrigin(source, origin);
     317           5 :   CHECK(!evil_script.IsEmpty());
     318          10 :   CHECK(!evil_script->Run(env).IsEmpty());
     319             :   i::Handle<i::ExternalTwoByteString> i_source(
     320             :       i::ExternalTwoByteString::cast(*v8::Utils::OpenHandle(*source)),
     321             :       CcTest::i_isolate());
     322             :   // This situation can happen if source was an external string disposed
     323             :   // by its owner.
     324           5 :   i_source->SetResource(CcTest::i_isolate(), nullptr);
     325             : 
     326             :   // Must not crash.
     327          10 :   CcTest::i_isolate()->logger()->LogCompiledFunctions();
     328           5 : }
     329             : 
     330           0 : static void ObjMethod1(const v8::FunctionCallbackInfo<v8::Value>& args) {
     331           0 : }
     332             : 
     333       25880 : TEST(LogCallbacks) {
     334           5 :   SETUP_FLAGS();
     335             :   v8::Isolate::CreateParams create_params;
     336           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     337           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     338             :   {
     339           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     340             : 
     341             :     v8::Local<v8::FunctionTemplate> obj = v8::Local<v8::FunctionTemplate>::New(
     342          10 :         isolate, v8::FunctionTemplate::New(isolate));
     343           5 :     obj->SetClassName(v8_str("Obj"));
     344           5 :     v8::Local<v8::ObjectTemplate> proto = obj->PrototypeTemplate();
     345           5 :     v8::Local<v8::Signature> signature = v8::Signature::New(isolate, obj);
     346             :     proto->Set(v8_str("method1"),
     347             :                v8::FunctionTemplate::New(isolate, ObjMethod1,
     348             :                                          v8::Local<v8::Value>(), signature),
     349          15 :                static_cast<v8::PropertyAttribute>(v8::DontDelete));
     350             : 
     351             :     logger.env()
     352             :         ->Global()
     353             :         ->Set(logger.env(), v8_str("Obj"),
     354          20 :               obj->GetFunction(logger.env()).ToLocalChecked())
     355          10 :         .FromJust();
     356             :     CompileRun("Obj.prototype.method1.toString();");
     357             : 
     358           5 :     logger.LogCompiledFunctions();
     359           5 :     logger.StopLogging();
     360             : 
     361           5 :     Address ObjMethod1_entry = reinterpret_cast<Address>(ObjMethod1);
     362             : #if USES_FUNCTION_DESCRIPTORS
     363             :     ObjMethod1_entry = *FUNCTION_ENTRYPOINT_ADDRESS(ObjMethod1_entry);
     364             : #endif
     365             :     i::EmbeddedVector<char, 100> suffix_buffer;
     366           5 :     i::SNPrintF(suffix_buffer, ",0x%" V8PRIxPTR ",1,method1", ObjMethod1_entry);
     367          15 :     CHECK(logger.ContainsLine(
     368           5 :         {"code-creation,Callback,-2,", std::string(suffix_buffer.start())}));
     369             :   }
     370           5 :   isolate->Dispose();
     371           5 : }
     372             : 
     373           0 : static void Prop1Getter(v8::Local<v8::String> property,
     374             :                         const v8::PropertyCallbackInfo<v8::Value>& info) {
     375           0 : }
     376             : 
     377           0 : static void Prop1Setter(v8::Local<v8::String> property,
     378             :                         v8::Local<v8::Value> value,
     379             :                         const v8::PropertyCallbackInfo<void>& info) {
     380           0 : }
     381             : 
     382           0 : static void Prop2Getter(v8::Local<v8::String> property,
     383             :                         const v8::PropertyCallbackInfo<v8::Value>& info) {
     384           0 : }
     385             : 
     386       25880 : TEST(LogAccessorCallbacks) {
     387           5 :   SETUP_FLAGS();
     388             :   v8::Isolate::CreateParams create_params;
     389           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     390           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     391             :   {
     392           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     393             : 
     394             :     v8::Local<v8::FunctionTemplate> obj = v8::Local<v8::FunctionTemplate>::New(
     395          10 :         isolate, v8::FunctionTemplate::New(isolate));
     396           5 :     obj->SetClassName(v8_str("Obj"));
     397           5 :     v8::Local<v8::ObjectTemplate> inst = obj->InstanceTemplate();
     398           5 :     inst->SetAccessor(v8_str("prop1"), Prop1Getter, Prop1Setter);
     399           5 :     inst->SetAccessor(v8_str("prop2"), Prop2Getter);
     400             : 
     401           5 :     logger.logger()->LogAccessorCallbacks();
     402             : 
     403           5 :     logger.StopLogging();
     404             : 
     405           5 :     Address Prop1Getter_entry = reinterpret_cast<Address>(Prop1Getter);
     406             : #if USES_FUNCTION_DESCRIPTORS
     407             :     Prop1Getter_entry = *FUNCTION_ENTRYPOINT_ADDRESS(Prop1Getter_entry);
     408             : #endif
     409             :     EmbeddedVector<char, 100> prop1_getter_record;
     410             :     i::SNPrintF(prop1_getter_record, ",0x%" V8PRIxPTR ",1,get prop1",
     411           5 :                 Prop1Getter_entry);
     412          15 :     CHECK(logger.ContainsLine({"code-creation,Callback,-2,",
     413             :                                std::string(prop1_getter_record.start())}));
     414             : 
     415           5 :     Address Prop1Setter_entry = reinterpret_cast<Address>(Prop1Setter);
     416             : #if USES_FUNCTION_DESCRIPTORS
     417             :     Prop1Setter_entry = *FUNCTION_ENTRYPOINT_ADDRESS(Prop1Setter_entry);
     418             : #endif
     419             :     EmbeddedVector<char, 100> prop1_setter_record;
     420             :     i::SNPrintF(prop1_setter_record, ",0x%" V8PRIxPTR ",1,set prop1",
     421           5 :                 Prop1Setter_entry);
     422          15 :     CHECK(logger.ContainsLine({"code-creation,Callback,-2,",
     423             :                                std::string(prop1_setter_record.start())}));
     424             : 
     425           5 :     Address Prop2Getter_entry = reinterpret_cast<Address>(Prop2Getter);
     426             : #if USES_FUNCTION_DESCRIPTORS
     427             :     Prop2Getter_entry = *FUNCTION_ENTRYPOINT_ADDRESS(Prop2Getter_entry);
     428             : #endif
     429             :     EmbeddedVector<char, 100> prop2_getter_record;
     430             :     i::SNPrintF(prop2_getter_record, ",0x%" V8PRIxPTR ",1,get prop2",
     431           5 :                 Prop2Getter_entry);
     432          15 :     CHECK(logger.ContainsLine({"code-creation,Callback,-2,",
     433           5 :                                std::string(prop2_getter_record.start())}));
     434             :   }
     435           5 :   isolate->Dispose();
     436           5 : }
     437             : 
     438             : // Test that logging of code create / move events is equivalent to traversal of
     439             : // a resulting heap.
     440       25875 : TEST(EquivalenceOfLoggingAndTraversal) {
     441             :   // This test needs to be run on a "clean" V8 to ensure that snapshot log
     442             :   // is loaded. This is always true when running using tools/test.py because
     443             :   // it launches a new cctest instance for every test. To be sure that launching
     444             :   // cctest manually also works, please be sure that no tests below
     445             :   // are using V8.
     446             : 
     447             :   // Start with profiling to capture all code events from the beginning.
     448           0 :   SETUP_FLAGS();
     449             :   v8::Isolate::CreateParams create_params;
     450           0 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     451           0 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     452             :   {
     453           0 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     454             : 
     455             :     // Compile and run a function that creates other functions.
     456             :     CompileRun(
     457             :         "(function f(obj) {\n"
     458             :         "  obj.test =\n"
     459             :         "    (function a(j) { return function b() { return j; } })(100);\n"
     460             :         "})(this);");
     461           0 :     logger.logger()->StopProfilerThread();
     462           0 :     CcTest::PreciseCollectAllGarbage();
     463           0 :     logger.StringEvent("test-logging-done", "");
     464             : 
     465             :     // Iterate heap to find compiled functions, will write to log.
     466           0 :     logger.LogCompiledFunctions();
     467           0 :     logger.StringEvent("test-traversal-done", "");
     468             : 
     469           0 :     logger.StopLogging();
     470             : 
     471           0 :     v8::Local<v8::String> log_str = logger.GetLogString();
     472             :     logger.env()
     473             :         ->Global()
     474           0 :         ->Set(logger.env(), v8_str("_log"), log_str)
     475           0 :         .FromJust();
     476             : 
     477             :     // Load the Test snapshot's sources, see log-eq-of-logging-and-traversal.js
     478             :     i::Vector<const char> source =
     479           0 :         i::NativesCollection<i::TEST>::GetScriptsSource();
     480             :     v8::Local<v8::String> source_str =
     481             :         v8::String::NewFromUtf8(isolate, source.start(),
     482           0 :                                 v8::NewStringType::kNormal, source.length())
     483           0 :             .ToLocalChecked();
     484           0 :     v8::TryCatch try_catch(isolate);
     485             :     v8::Local<v8::Script> script = CompileWithOrigin(source_str, "");
     486           0 :     if (script.IsEmpty()) {
     487           0 :       v8::String::Utf8Value exception(isolate, try_catch.Exception());
     488           0 :       FATAL("compile: %s\n", *exception);
     489             :     }
     490             :     v8::Local<v8::Value> result;
     491           0 :     if (!script->Run(logger.env()).ToLocal(&result)) {
     492           0 :       v8::String::Utf8Value exception(isolate, try_catch.Exception());
     493           0 :       FATAL("run: %s\n", *exception);
     494             :     }
     495             :     // The result either be the "true" literal or problem description.
     496           0 :     if (!result->IsTrue()) {
     497           0 :       v8::Local<v8::String> s = result->ToString(logger.env()).ToLocalChecked();
     498           0 :       i::ScopedVector<char> data(s->Utf8Length(isolate) + 1);
     499           0 :       CHECK(data.start());
     500           0 :       s->WriteUtf8(isolate, data.start());
     501           0 :       FATAL("%s\n", data.start());
     502           0 :     }
     503             :   }
     504           0 :   isolate->Dispose();
     505           0 : }
     506             : 
     507             : 
     508       25880 : TEST(LogVersion) {
     509           5 :   SETUP_FLAGS();
     510             :   v8::Isolate::CreateParams create_params;
     511           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     512           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     513             :   {
     514           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     515           5 :     logger.StopLogging();
     516             : 
     517             :     i::EmbeddedVector<char, 100> line_buffer;
     518             :     i::SNPrintF(line_buffer, "%d,%d,%d,%d,%d", i::Version::GetMajor(),
     519             :                 i::Version::GetMinor(), i::Version::GetBuild(),
     520          10 :                 i::Version::GetPatch(), i::Version::IsCandidate());
     521          15 :     CHECK(
     522           5 :         logger.ContainsLine({"v8-version,", std::string(line_buffer.start())}));
     523             :   }
     524           5 :   isolate->Dispose();
     525           5 : }
     526             : 
     527             : 
     528             : // https://crbug.com/539892
     529             : // CodeCreateEvents with really large names should not crash.
     530       25880 : TEST(Issue539892) {
     531           5 :   class FakeCodeEventLogger : public i::CodeEventLogger {
     532             :    public:
     533             :     explicit FakeCodeEventLogger(i::Isolate* isolate)
     534           5 :         : CodeEventLogger(isolate) {}
     535             : 
     536           0 :     void CodeMoveEvent(i::AbstractCode from, i::AbstractCode to) override {}
     537           0 :     void CodeDisableOptEvent(i::AbstractCode code,
     538           0 :                              i::SharedFunctionInfo shared) override {}
     539             : 
     540             :    private:
     541          29 :     void LogRecordedBuffer(i::AbstractCode code, i::SharedFunctionInfo shared,
     542          29 :                            const char* name, int length) override {}
     543           0 :     void LogRecordedBuffer(const i::wasm::WasmCode* code, const char* name,
     544           0 :                            int length) override {}
     545             :   } code_event_logger(CcTest::i_isolate());
     546           5 :   SETUP_FLAGS();
     547             :   v8::Isolate::CreateParams create_params;
     548           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     549           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     550             : 
     551             :   {
     552           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     553           5 :     logger.logger()->AddCodeEventListener(&code_event_logger);
     554             : 
     555             :     // Function with a really large name.
     556             :     const char* source_text =
     557             :         "(function "
     558             :         "baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     559             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     560             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     561             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     562             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     563             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     564             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     565             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     566             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     567             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     568             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     569             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     570             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     571             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     572             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     573             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
     574             :         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaac"
     575             :         "(){})();";
     576             : 
     577             :     CompileRun(source_text);
     578             : 
     579             :     // Must not crash.
     580          10 :     logger.LogCompiledFunctions();
     581             :   }
     582           5 :   isolate->Dispose();
     583           5 : }
     584             : 
     585       25880 : TEST(LogAll) {
     586           5 :   SETUP_FLAGS();
     587           5 :   i::FLAG_log_all = true;
     588           5 :   i::FLAG_turbo_inlining = false;
     589           5 :   i::FLAG_allow_natives_syntax = true;
     590             :   v8::Isolate::CreateParams create_params;
     591           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     592           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     593             : 
     594             :   {
     595           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     596             : 
     597             :     const char* source_text = R"(
     598             :         function testAddFn(a,b) {
     599             :           return a + b
     600             :         };
     601             :         let result;
     602             : 
     603             :         // Warm up the ICs.
     604             :         for (let i = 0; i < 100000; i++) {
     605             :           result = testAddFn(i, i);
     606             :         };
     607             : 
     608             :         // Enforce optimization.
     609             :         %OptimizeFunctionOnNextCall(testAddFn);
     610             :         result = testAddFn(1, 1);
     611             : 
     612             :         // Cause deopt.
     613             :         testAddFn('1', 1)
     614             :         for (let i = 0; i < 100000; i++) {
     615             :           result = testAddFn('1', i);
     616             :         }
     617             :       )";
     618             :     CompileRun(source_text);
     619             : 
     620           5 :     logger.StopLogging();
     621             : 
     622             :     // We should find at least one code-creation even for testAddFn();
     623          15 :     CHECK(logger.ContainsLine({"api,v8::Context::New"}));
     624          15 :     CHECK(logger.ContainsLine({"timer-event-start", "V8.CompileCode"}));
     625          15 :     CHECK(logger.ContainsLine({"timer-event-end", "V8.CompileCode"}));
     626          15 :     CHECK(logger.ContainsLine({"code-creation,Script", ":1:1"}));
     627          15 :     CHECK(logger.ContainsLine({"api,v8::Script::Run"}));
     628          15 :     CHECK(logger.ContainsLine({"code-creation,LazyCompile,", "testAddFn"}));
     629             : 
     630           5 :     if (i::FLAG_opt && !i::FLAG_always_opt) {
     631           9 :       CHECK(logger.ContainsLine({"code-deopt,", "not a Smi"}));
     632           9 :       CHECK(logger.ContainsLine({"timer-event-start", "V8.DeoptimizeCode"}));
     633           9 :       CHECK(logger.ContainsLine({"timer-event-end", "V8.DeoptimizeCode"}));
     634           5 :     }
     635             :   }
     636           5 :   isolate->Dispose();
     637           5 : }
     638             : 
     639             : #ifndef V8_TARGET_ARCH_ARM
     640       25880 : TEST(LogInterpretedFramesNativeStack) {
     641           5 :   SETUP_FLAGS();
     642           5 :   i::FLAG_interpreted_frames_native_stack = true;
     643             :   v8::Isolate::CreateParams create_params;
     644           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     645           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     646             : 
     647             :   {
     648           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     649             : 
     650             :     const char* source_text =
     651             :         "function testLogInterpretedFramesNativeStack(a,b) { return a + b };"
     652             :         "testLogInterpretedFramesNativeStack('1', 1);";
     653             :     CompileRun(source_text);
     654             : 
     655           5 :     logger.StopLogging();
     656             : 
     657          15 :     CHECK(logger.ContainsLine(
     658           5 :         {"InterpretedFunction", "testLogInterpretedFramesNativeStack"}));
     659             :   }
     660           5 :   isolate->Dispose();
     661           5 : }
     662             : #endif  // V8_TARGET_ARCH_ARM
     663             : 
     664       25880 : TEST(ExternalCodeEventListener) {
     665           5 :   i::FLAG_log = false;
     666           5 :   i::FLAG_prof = false;
     667             : 
     668             :   v8::Isolate::CreateParams create_params;
     669           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     670           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     671             : 
     672             :   {
     673           5 :     v8::HandleScope scope(isolate);
     674             :     v8::Isolate::Scope isolate_scope(isolate);
     675           5 :     v8::Local<v8::Context> context = v8::Context::New(isolate);
     676             :     v8::Context::Scope context_scope(context);
     677             : 
     678             :     TestCodeEventHandler code_event_handler(isolate);
     679             : 
     680             :     const char* source_text_before_start =
     681             :         "function testCodeEventListenerBeforeStart(a,b) { return a + b };"
     682             :         "testCodeEventListenerBeforeStart('1', 1);";
     683             :     CompileRun(source_text_before_start);
     684             : 
     685          15 :     CHECK_EQ(code_event_handler.CountLines("LazyCompile",
     686             :                                            "testCodeEventListenerBeforeStart"),
     687             :              0);
     688             : 
     689           5 :     code_event_handler.Enable();
     690             : 
     691          15 :     CHECK_GE(code_event_handler.CountLines("LazyCompile",
     692             :                                            "testCodeEventListenerBeforeStart"),
     693             :              1);
     694             : 
     695             :     const char* source_text_after_start =
     696             :         "function testCodeEventListenerAfterStart(a,b) { return a + b };"
     697             :         "testCodeEventListenerAfterStart('1', 1);";
     698             :     CompileRun(source_text_after_start);
     699             : 
     700          15 :     CHECK_GE(code_event_handler.CountLines("LazyCompile",
     701             :                                            "testCodeEventListenerAfterStart"),
     702           5 :              1);
     703             :   }
     704           5 :   isolate->Dispose();
     705           5 : }
     706             : 
     707       25880 : TEST(ExternalCodeEventListenerInnerFunctions) {
     708           5 :   i::FLAG_log = false;
     709           5 :   i::FLAG_prof = false;
     710             : 
     711             :   v8::ScriptCompiler::CachedData* cache;
     712             :   static const char* source_cstring =
     713             :       "(function f1() { return (function f2() {}); })()";
     714             : 
     715             :   v8::Isolate::CreateParams create_params;
     716           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     717           5 :   v8::Isolate* isolate1 = v8::Isolate::New(create_params);
     718             :   {  // Test that we emit the correct code events from eagerly compiling.
     719           5 :     v8::HandleScope scope(isolate1);
     720             :     v8::Isolate::Scope isolate_scope(isolate1);
     721           5 :     v8::Local<v8::Context> context = v8::Context::New(isolate1);
     722             :     v8::Context::Scope context_scope(context);
     723             : 
     724             :     TestCodeEventHandler code_event_handler(isolate1);
     725           5 :     code_event_handler.Enable();
     726             : 
     727           5 :     v8::Local<v8::String> source_string = v8_str(source_cstring);
     728           5 :     v8::ScriptOrigin origin(v8_str("test"));
     729             :     v8::ScriptCompiler::Source source(source_string, origin);
     730             :     v8::Local<v8::UnboundScript> script =
     731             :         v8::ScriptCompiler::CompileUnboundScript(isolate1, &source)
     732          10 :             .ToLocalChecked();
     733          15 :     CHECK_EQ(code_event_handler.CountLines("Script", "f1"), 1);
     734          15 :     CHECK_EQ(code_event_handler.CountLines("Script", "f2"), 1);
     735          10 :     cache = v8::ScriptCompiler::CreateCodeCache(script);
     736             :   }
     737           5 :   isolate1->Dispose();
     738             : 
     739           5 :   v8::Isolate* isolate2 = v8::Isolate::New(create_params);
     740             :   {  // Test that we emit the correct code events from deserialization.
     741           5 :     v8::HandleScope scope(isolate2);
     742             :     v8::Isolate::Scope isolate_scope(isolate2);
     743           5 :     v8::Local<v8::Context> context = v8::Context::New(isolate2);
     744             :     v8::Context::Scope context_scope(context);
     745             : 
     746             :     TestCodeEventHandler code_event_handler(isolate2);
     747           5 :     code_event_handler.Enable();
     748             : 
     749           5 :     v8::Local<v8::String> source_string = v8_str(source_cstring);
     750           5 :     v8::ScriptOrigin origin(v8_str("test"));
     751             :     v8::ScriptCompiler::Source source(source_string, origin, cache);
     752             :     {
     753             :       i::DisallowCompilation no_compile_expected(
     754             :           reinterpret_cast<i::Isolate*>(isolate2));
     755             :       v8::ScriptCompiler::CompileUnboundScript(
     756             :           isolate2, &source, v8::ScriptCompiler::kConsumeCodeCache)
     757           5 :           .ToLocalChecked();
     758             :     }
     759          15 :     CHECK_EQ(code_event_handler.CountLines("Script", "f1"), 1);
     760          20 :     CHECK_EQ(code_event_handler.CountLines("Script", "f2"), 1);
     761             :   }
     762           5 :   isolate2->Dispose();
     763           5 : }
     764             : 
     765             : #ifndef V8_TARGET_ARCH_ARM
     766       25880 : TEST(ExternalCodeEventListenerWithInterpretedFramesNativeStack) {
     767           5 :   i::FLAG_log = false;
     768           5 :   i::FLAG_prof = false;
     769           5 :   i::FLAG_interpreted_frames_native_stack = true;
     770             : 
     771             :   v8::Isolate::CreateParams create_params;
     772           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     773           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     774             : 
     775             :   {
     776           5 :     v8::HandleScope scope(isolate);
     777             :     v8::Isolate::Scope isolate_scope(isolate);
     778           5 :     v8::Local<v8::Context> context = v8::Context::New(isolate);
     779           5 :     context->Enter();
     780             : 
     781             :     TestCodeEventHandler code_event_handler(isolate);
     782             : 
     783             :     const char* source_text_before_start =
     784             :         "function testCodeEventListenerBeforeStart(a,b) { return a + b };"
     785             :         "testCodeEventListenerBeforeStart('1', 1);";
     786             :     CompileRun(source_text_before_start);
     787             : 
     788          15 :     CHECK_EQ(code_event_handler.CountLines("InterpretedFunction",
     789             :                                            "testCodeEventListenerBeforeStart"),
     790             :              0);
     791             : 
     792           5 :     code_event_handler.Enable();
     793             : 
     794          15 :     CHECK_GE(code_event_handler.CountLines("InterpretedFunction",
     795             :                                            "testCodeEventListenerBeforeStart"),
     796             :              1);
     797             : 
     798             :     const char* source_text_after_start =
     799             :         "function testCodeEventListenerAfterStart(a,b) { return a + b };"
     800             :         "testCodeEventListenerAfterStart('1', 1);";
     801             :     CompileRun(source_text_after_start);
     802             : 
     803          15 :     CHECK_GE(code_event_handler.CountLines("InterpretedFunction",
     804             :                                            "testCodeEventListenerAfterStart"),
     805             :              1);
     806             : 
     807          15 :     CHECK_EQ(
     808             :         code_event_handler.CountLines("Builtin", "InterpreterEntryTrampoline"),
     809             :         1);
     810             : 
     811          10 :     context->Exit();
     812             :   }
     813           5 :   isolate->Dispose();
     814           5 : }
     815             : #endif  // V8_TARGET_ARCH_ARM
     816             : 
     817       25880 : TEST(TraceMaps) {
     818           5 :   SETUP_FLAGS();
     819           5 :   i::FLAG_trace_maps = true;
     820             :   v8::Isolate::CreateParams create_params;
     821           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     822           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     823             :   {
     824           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     825             :     // Try to create many different kind of maps to make sure the logging won't
     826             :     // crash. More detailed tests are implemented separately.
     827             :     const char* source_text = R"(
     828             :       let a = {};
     829             :       for (let i = 0; i < 500; i++) {
     830             :         a['p'+i] = i
     831             :       };
     832             :       class Test {
     833             :         constructor(i) {
     834             :           this.a = 1;
     835             :           this['p'+i] = 1;
     836             :         }
     837             :       };
     838             :       let t = new Test();
     839             :       t.b = 1; t.c = 1; t.d = 3;
     840             :       for (let i = 0; i < 100; i++) {
     841             :         t = new Test(i)
     842             :       };
     843             :       t.b = {};
     844             :     )";
     845           5 :     CompileRunChecked(isolate, source_text);
     846             : 
     847           5 :     logger.StopLogging();
     848             : 
     849             :     // Mostly superficial checks.
     850          15 :     CHECK(logger.ContainsLine({"map,InitialMap", ",0x"}));
     851          15 :     CHECK(logger.ContainsLine({"map,Transition", ",0x"}));
     852          15 :     CHECK(logger.ContainsLine({"map-details", ",0x"}));
     853             :   }
     854           5 :   i::FLAG_trace_maps = false;
     855           5 :   isolate->Dispose();
     856           5 : }
     857             : 
     858             : namespace {
     859             : // Ensure that all Maps found on the heap have a single corresponding map-create
     860             : // and map-details entry in the v8.log.
     861          12 : void ValidateMapDetailsLogging(v8::Isolate* isolate,
     862             :                                ScopedLoggerInitializer* logger) {
     863             :   // map-create might have duplicates if a Map address is reused after a gc.
     864             :   std::unordered_set<uintptr_t> map_create_addresses =
     865          24 :       logger->ExtractLogAddresses("map-create", 2, true);
     866             :   std::unordered_set<uintptr_t> map_details_addresses =
     867          24 :       logger->ExtractLogAddresses("map-details", 2, false);
     868             : 
     869             :   // Iterate over all maps on the heap.
     870          12 :   i::Heap* heap = reinterpret_cast<i::Isolate*>(isolate)->heap();
     871          24 :   i::HeapIterator iterator(heap);
     872             :   i::DisallowHeapAllocation no_gc;
     873             :   size_t i = 0;
     874      247474 :   for (i::HeapObject obj = iterator.next(); !obj.is_null();
     875             :        obj = iterator.next()) {
     876      235268 :     if (!obj->IsMap()) continue;
     877       12182 :     i++;
     878       12182 :     uintptr_t address = obj->ptr();
     879       12182 :     if (map_create_addresses.find(address) == map_create_addresses.end()) {
     880             :       // logger->PrintLog();
     881           0 :       i::Map::cast(obj)->Print();
     882             :       V8_Fatal(__FILE__, __LINE__,
     883             :                "Map (%p, #%zu) creation not logged during startup with "
     884             :                "--trace-maps!"
     885             :                "\n# Expected Log Line: map-create, ... %p",
     886             :                reinterpret_cast<void*>(obj->ptr()), i,
     887           0 :                reinterpret_cast<void*>(obj->ptr()));
     888       12182 :     } else if (map_details_addresses.find(address) ==
     889             :                map_details_addresses.end()) {
     890             :       // logger->PrintLog();
     891           0 :       i::Map::cast(obj)->Print();
     892             :       V8_Fatal(__FILE__, __LINE__,
     893             :                "Map (%p, #%zu) details not logged during startup with "
     894             :                "--trace-maps!"
     895             :                "\n# Expected Log Line: map-details, ... %p",
     896             :                reinterpret_cast<void*>(obj->ptr()), i,
     897           0 :                reinterpret_cast<void*>(obj->ptr()));
     898             :     }
     899             :   }
     900          12 : }
     901             : 
     902             : }  // namespace
     903             : 
     904       25880 : TEST(LogMapsDetailsStartup) {
     905             :   // Reusing map addresses might cause these tests to fail.
     906           5 :   if (i::FLAG_gc_global || i::FLAG_stress_compaction ||
     907             :       i::FLAG_stress_incremental_marking) {
     908           1 :     return;
     909             :   }
     910             :   // Test that all Map details from Maps in the snapshot are logged properly.
     911           4 :   SETUP_FLAGS();
     912           4 :   i::FLAG_trace_maps = true;
     913             :   v8::Isolate::CreateParams create_params;
     914           4 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     915           4 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     916             :   {
     917           4 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
     918           4 :     logger.StopLogging();
     919           4 :     ValidateMapDetailsLogging(isolate, &logger);
     920             :   }
     921             : 
     922           4 :   i::FLAG_log_function_events = false;
     923           4 :   isolate->Dispose();
     924             : }
     925             : 
     926       25880 : TEST(LogMapsDetailsCode) {
     927             :   // Reusing map addresses might cause these tests to fail.
     928           5 :   if (i::FLAG_gc_global || i::FLAG_stress_compaction ||
     929             :       i::FLAG_stress_incremental_marking) {
     930           1 :     return;
     931             :   }
     932           4 :   SETUP_FLAGS();
     933           4 :   i::FLAG_retain_maps_for_n_gc = 0xFFFFFFF;
     934           4 :   i::FLAG_trace_maps = true;
     935             :   v8::Isolate::CreateParams create_params;
     936           4 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
     937           4 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
     938             :   const char* source = R"(
     939             :     // Normal properties overflowing into dict-mode.
     940             :     let a = {};
     941             :     for (let i = 0; i < 500; i++) {
     942             :       a['p'+i] = i
     943             :     };
     944             :     // Constructor / initial maps
     945             :     function Constructor(dictElements=false) {
     946             :       this.a = 1;
     947             :       this.b = 2;
     948             :       this.c = 3;
     949             :       if (dictElements) {
     950             :         this[0xFFFFF] = 1;
     951             :       }
     952             :       this.d = 4;
     953             :       this.e = 5;
     954             :       this.f = 5;
     955             :     }
     956             :     // Keep objects and their maps alive to avoid reusing map addresses.
     957             :     let instances = [];
     958             :     let instance;
     959             :     for (let i =0; i < 500; i++) {
     960             :       instances.push(new Constructor());
     961             :     }
     962             :     // Map deprecation.
     963             :     for (let i =0; i < 500; i++) {
     964             :       instance = new Constructor();
     965             :       instance.d = 1.1;
     966             :       instances.push(instance);
     967             :     }
     968             :     for (let i =0; i < 500; i++) {
     969             :       instance = new Constructor();
     970             :       instance.b = 1.1;
     971             :       instances.push(instance);
     972             :     }
     973             :     for (let i =0; i < 500; i++) {
     974             :       instance = new Constructor();
     975             :       instance.c = Object;
     976             :       instances.push(instance);
     977             :     }
     978             :     // Create instance with dict-elements.
     979             :     instances.push(new Constructor(true));
     980             : 
     981             :     // Class
     982             :     class Test {
     983             :       constructor(i) {
     984             :         this.a = 1;
     985             :         this['p'+i] = 1;
     986             :       }
     987             :     };
     988             :     let t = new Test();
     989             :     t.b = 1; t.c = 1; t.d = 3;
     990             :     for (let i = 0; i < 100; i++) {
     991             :       t = new Test(i);
     992             :       instances.push(t);
     993             :     }
     994             :     t.b = {};
     995             : 
     996             :     // Anonymous classes
     997             :     function create(value) {
     998             :       return new class {
     999             :         constructor() {
    1000             :           this.value = value;
    1001             :         }
    1002             :       }
    1003             :     }
    1004             :     for (let i = 0; i < 100; i++) {
    1005             :       instances.push(create(i));
    1006             :     };
    1007             : 
    1008             :     // Modifying some protoypes.
    1009             :     Array.prototype.helper = () => 1;
    1010             :     [1,2,3].helper();
    1011             :   )";
    1012             :   {
    1013           4 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
    1014           4 :     CompileRunChecked(isolate, source);
    1015           4 :     logger.StopLogging();
    1016           4 :     ValidateMapDetailsLogging(isolate, &logger);
    1017             :   }
    1018             : 
    1019           4 :   i::FLAG_log_function_events = false;
    1020           4 :   isolate->Dispose();
    1021             : }
    1022             : 
    1023       25880 : TEST(LogMapsDetailsContexts) {
    1024             :   // Reusing map addresses might cause these tests to fail.
    1025           5 :   if (i::FLAG_gc_global || i::FLAG_stress_compaction ||
    1026             :       i::FLAG_stress_incremental_marking) {
    1027           1 :     return;
    1028             :   }
    1029             :   // Test that all Map details from Maps in the snapshot are logged properly.
    1030           4 :   SETUP_FLAGS();
    1031           4 :   i::FLAG_trace_maps = true;
    1032             :   v8::Isolate::CreateParams create_params;
    1033           4 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
    1034           4 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
    1035             : 
    1036             :   {
    1037           4 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
    1038             :     // Use the default context.
    1039           4 :     CompileRunChecked(isolate, "{a:1}");
    1040             :     // Create additional contexts.
    1041           4 :     v8::Local<v8::Context> env1 = v8::Context::New(isolate);
    1042           4 :     env1->Enter();
    1043           4 :     CompileRun(env1, "{b:1}").ToLocalChecked();
    1044             : 
    1045           4 :     v8::Local<v8::Context> env2 = v8::Context::New(isolate);
    1046           4 :     env2->Enter();
    1047           4 :     CompileRun(env2, "{c:1}").ToLocalChecked();
    1048           4 :     env2->Exit();
    1049           4 :     env1->Exit();
    1050             : 
    1051           4 :     logger.StopLogging();
    1052           4 :     ValidateMapDetailsLogging(isolate, &logger);
    1053             :   }
    1054             : 
    1055           4 :   i::FLAG_log_function_events = false;
    1056           4 :   isolate->Dispose();
    1057             : }
    1058             : 
    1059       25880 : TEST(ConsoleTimeEvents) {
    1060           5 :   SETUP_FLAGS();
    1061             :   v8::Isolate::CreateParams create_params;
    1062           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
    1063           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
    1064             :   {
    1065           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
    1066             :     // Test that console time events are properly logged
    1067             :     const char* source_text =
    1068             :         "console.time();"
    1069             :         "console.timeEnd();"
    1070             :         "console.timeStamp();"
    1071             :         "console.time('timerEvent1');"
    1072             :         "console.timeEnd('timerEvent1');"
    1073             :         "console.timeStamp('timerEvent2');"
    1074             :         "console.timeStamp('timerEvent3');";
    1075             :     CompileRun(source_text);
    1076             : 
    1077           5 :     logger.StopLogging();
    1078             : 
    1079             :     std::vector<std::vector<std::string>> lines = {
    1080             :         {"timer-event-start,default,"},   {"timer-event-end,default,"},
    1081             :         {"timer-event,default,"},         {"timer-event-start,timerEvent1,"},
    1082             :         {"timer-event-end,timerEvent1,"}, {"timer-event,timerEvent2,"},
    1083         110 :         {"timer-event,timerEvent3,"}};
    1084          10 :     CHECK(logger.ContainsLinesInOrder(lines));
    1085             :   }
    1086             : 
    1087           5 :   isolate->Dispose();
    1088           5 : }
    1089             : 
    1090       25879 : TEST(LogFunctionEvents) {
    1091             :   // Always opt and stress opt will break the fine-grained log order.
    1092           5 :   if (i::FLAG_always_opt) return;
    1093             : 
    1094           3 :   SETUP_FLAGS();
    1095           3 :   i::FLAG_log_function_events = true;
    1096             :   v8::Isolate::CreateParams create_params;
    1097           3 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
    1098           3 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
    1099             : 
    1100             :   {
    1101           3 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
    1102             : 
    1103             :     // Run some warmup code to help ignoring existing log entries.
    1104             :     CompileRun(
    1105             :         "function warmUp(a) {"
    1106             :         " let b = () => 1;"
    1107             :         " return function(c) { return a+b+c; };"
    1108             :         "};"
    1109             :         "warmUp(1)(2);"
    1110             :         "(function warmUpEndMarkerFunction(){})();");
    1111             : 
    1112             :     const char* source_text =
    1113             :         "function lazyNotExecutedFunction() { return 'lazy' };"
    1114             :         "function lazyFunction() { "
    1115             :         "  function lazyInnerFunction() { return 'lazy' };"
    1116             :         "  return lazyInnerFunction;"
    1117             :         "};"
    1118             :         "let innerFn = lazyFunction();"
    1119             :         "innerFn();"
    1120             :         "(function eagerFunction(){ return 'eager' })();"
    1121             :         "function Foo() { this.foo = function(){}; };"
    1122             :         "let i = new Foo(); i.foo();";
    1123             :     CompileRun(source_text);
    1124             : 
    1125           3 :     logger.StopLogging();
    1126             : 
    1127             :     // Ignore all the log entries that happened before warmup
    1128             :     size_t start = logger.IndexOfLine(
    1129           9 :         {"function,first-execution", "warmUpEndMarkerFunction"});
    1130           3 :     CHECK(start != std::string::npos);
    1131             :     std::vector<std::vector<std::string>> lines = {
    1132             :         // Create a new script
    1133             :         {"script,create"},
    1134             :         {"script-details"},
    1135             :         // Step 1: parsing top-level script, preparsing functions
    1136             :         {"function,preparse-", ",lazyNotExecutedFunction"},
    1137             :         // Missing name for preparsing lazyInnerFunction
    1138             :         // {"function,preparse-", nullptr},
    1139             :         {"function,preparse-", ",lazyFunction"},
    1140             :         {"function,full-parse,", ",eagerFunction"},
    1141             :         {"function,preparse-", ",Foo"},
    1142             :         // Missing name for inner preparsing of Foo.foo
    1143             :         // {"function,preparse-", nullptr},
    1144             :         // Missing name for top-level script.
    1145             :         {"function,parse-script,"},
    1146             : 
    1147             :         // Step 2: compiling top-level script and eager functions
    1148             :         // - Compiling script without name.
    1149             :         {"function,compile,"},
    1150             :         {"function,compile,", ",eagerFunction"},
    1151             : 
    1152             :         // Step 3: start executing script
    1153             :         // Step 4. - lazy parse, lazy compiling and execute skipped functions
    1154             :         //         - execute eager functions.
    1155             :         {"function,parse-function,", ",lazyFunction"},
    1156             :         {"function,compile-lazy,", ",lazyFunction"},
    1157             :         {"function,first-execution,", ",lazyFunction"},
    1158             : 
    1159             :         {"function,parse-function,", ",lazyInnerFunction"},
    1160             :         {"function,compile-lazy,", ",lazyInnerFunction"},
    1161             :         {"function,first-execution,", ",lazyInnerFunction"},
    1162             : 
    1163             :         {"function,first-execution,", ",eagerFunction"},
    1164             : 
    1165             :         {"function,parse-function,", ",Foo"},
    1166             :         {"function,compile-lazy,", ",Foo"},
    1167             :         {"function,first-execution,", ",Foo"},
    1168             : 
    1169             :         {"function,parse-function,", ",Foo.foo"},
    1170             :         {"function,compile-lazy,", ",Foo.foo"},
    1171             :         {"function,first-execution,", ",Foo.foo"},
    1172         201 :     };
    1173           6 :     CHECK(logger.ContainsLinesInOrder(lines, start));
    1174             :   }
    1175           3 :   i::FLAG_log_function_events = false;
    1176           3 :   isolate->Dispose();
    1177             : }
    1178             : 
    1179       25880 : TEST(BuiltinsNotLoggedAsLazyCompile) {
    1180           5 :   SETUP_FLAGS();
    1181             :   v8::Isolate::CreateParams create_params;
    1182           5 :   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
    1183           5 :   v8::Isolate* isolate = v8::Isolate::New(create_params);
    1184             :   {
    1185           5 :     ScopedLoggerInitializer logger(saved_log, saved_prof, isolate);
    1186             : 
    1187           5 :     logger.LogCodeObjects();
    1188           5 :     logger.LogCompiledFunctions();
    1189           5 :     logger.StopLogging();
    1190             : 
    1191             :     i::Handle<i::Code> builtin = logger.i_isolate()->builtins()->builtin_handle(
    1192           5 :         i::Builtins::kBooleanConstructor);
    1193             :     i::EmbeddedVector<char, 100> buffer;
    1194             : 
    1195             :     // Should only be logged as "Builtin" with a name, never as "LazyCompile".
    1196             :     i::SNPrintF(buffer, ",0x%" V8PRIxPTR ",%d,BooleanConstructor",
    1197          10 :                 builtin->InstructionStart(), builtin->InstructionSize());
    1198          15 :     CHECK(logger.ContainsLine(
    1199             :         {"code-creation,Builtin,3,", std::string(buffer.start())}));
    1200             : 
    1201             :     i::SNPrintF(buffer, ",0x%" V8PRIxPTR ",%d,", builtin->InstructionStart(),
    1202          10 :                 builtin->InstructionSize());
    1203          15 :     CHECK(!logger.ContainsLine(
    1204           5 :         {"code-creation,LazyCompile,3,", std::string(buffer.start())}));
    1205             :   }
    1206           5 :   isolate->Dispose();
    1207       77630 : }

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