[inspector] console.timeEnd formats ms in the same way as JS formats double

test/inspector/inspector-test.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if !defined(_WIN32) && !defined(_WIN64)
 #include <unistd.h>  // NOLINT
 #endif               // !defined(_WIN32) && !defined(_WIN64)
 
 #include <locale.h>
 
@@ skipping 36 matching lines @@
 }
 
 class UtilsExtension : public v8::Extension {
  public:
   UtilsExtension()
       : v8::Extension("v8_inspector/utils",
                       "native function print();"
                       "native function quit();"
                       "native function setlocale();"
                       "native function load();"
-                      "native function compileAndRunWithOrigin();") {}
+                      "native function compileAndRunWithOrigin();"
+                      "native function setCurrentTimeMSForTest();") {}
   virtual v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
       v8::Isolate* isolate, v8::Local<v8::String> name) {
     v8::Local<v8::Context> context = isolate->GetCurrentContext();
     if (name->Equals(context, v8::String::NewFromUtf8(
                                   isolate, "print", v8::NewStringType::kNormal)
                                   .ToLocalChecked())
             .FromJust()) {
       return v8::FunctionTemplate::New(isolate, UtilsExtension::Print);
     } else if (name->Equals(context,
                             v8::String::NewFromUtf8(isolate, "quit",
@@ skipping 13 matching lines @@
                                 .ToLocalChecked())
                    .FromJust()) {
       return v8::FunctionTemplate::New(isolate, UtilsExtension::Load);
     } else if (name->Equals(context, v8::String::NewFromUtf8(
                                          isolate, "compileAndRunWithOrigin",
                                          v8::NewStringType::kNormal)
                                          .ToLocalChecked())
                    .FromJust()) {
       return v8::FunctionTemplate::New(isolate,
                                        UtilsExtension::CompileAndRunWithOrigin);
+    } else if (name->Equals(context, v8::String::NewFromUtf8(
+                                         isolate, "setCurrentTimeMSForTest",
+                                         v8::NewStringType::kNormal)
+                                         .ToLocalChecked())
+                   .FromJust()) {
+      return v8::FunctionTemplate::New(isolate,
+                                       UtilsExtension::SetCurrentTimeMSForTest);
     }
     return v8::Local<v8::FunctionTemplate>();
   }
 
   static void set_backend_task_runner(TaskRunner* runner) {
     backend_runner_ = runner;
   }
 
+  static void set_inspector_client(InspectorClientImpl* client) {
+    inspector_client_ = client;
+  }
+
  private:
   static TaskRunner* backend_runner_;
+  static InspectorClientImpl* inspector_client_;
 
   static void Print(const v8::FunctionCallbackInfo<v8::Value>& args) {
     for (int i = 0; i < args.Length(); i++) {
       v8::HandleScope handle_scope(args.GetIsolate());
       if (i != 0) {
         printf(" ");
       }
 
       // Explicitly catch potential exceptions in toString().
       v8::TryCatch try_catch(args.GetIsolate());
@@ skipping 62 matching lines @@
       fprintf(stderr,
               "Internal error: compileAndRunWithOrigin(source, name, line, "
               "column).");
       Exit();
     }
 
     backend_runner_->Append(new ExecuteStringTask(
         ToVector(args[0].As<v8::String>()), args[1].As<v8::String>(),
         args[2].As<v8::Int32>(), args[3].As<v8::Int32>(), nullptr, nullptr));
   }
+
+  static void SetCurrentTimeMSForTest(
+      const v8::FunctionCallbackInfo<v8::Value>& args) {
+    if (args.Length() != 1 || !args[0]->IsNumber()) {
+      fprintf(stderr, "Internal error: setCurrentTimeMSForTest(time).");
+      Exit();
+    }
+    inspector_client_->setCurrentTimeMSForTest(
+        args[0].As<v8::Number>()->Value());
+  }
 };
 
 TaskRunner* UtilsExtension::backend_runner_ = nullptr;
+InspectorClientImpl* UtilsExtension::inspector_client_ = nullptr;
 
 class SetTimeoutTask : public AsyncTask {
  public:
   SetTimeoutTask(v8::Isolate* isolate, v8::Local<v8::Function> function,
                  const char* task_name, v8_inspector::V8Inspector* inspector)
       : AsyncTask(task_name, inspector), function_(isolate, function) {}
   virtual ~SetTimeoutTask() {}
 
   bool is_inspector_task() final { return false; }
 
@@ skipping 212 matching lines @@
                                        "v8_inspector/frontend"};
   v8::ExtensionConfiguration frontend_configuration(
       arraysize(frontend_extensions), frontend_extensions);
   TaskRunner frontend_runner(&frontend_configuration, true, &ready_semaphore);
   ready_semaphore.Wait();
 
   FrontendChannelImpl frontend_channel(&frontend_runner);
   InspectorClientImpl inspector_client(&backend_runner, &frontend_channel,
                                        &ready_semaphore);
   ready_semaphore.Wait();
+  UtilsExtension::set_inspector_client(&inspector_client);
 
   task_runners.push_back(&frontend_runner);
   task_runners.push_back(&backend_runner);
 
   for (int i = 1; i < argc; ++i) {
     if (argv[i][0] == '-') break;
 
     bool exists = false;
     v8::internal::Vector<const char> chars =
         v8::internal::ReadFile(argv[i], &exists, true);
     if (!exists) {
       fprintf(stderr, "Internal error: script file doesn't exists: %s\n",
               argv[i]);
       Exit();
     }
     frontend_runner.Append(new ExecuteStringTask(chars));
   }
 
   frontend_runner.Join();
   backend_runner.Join();
   return 0;
 }