[inspector] added master test for break locations

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 35 matching lines @@
   return buffer;
 }
 
 class UtilsExtension : public v8::Extension {
  public:
   UtilsExtension()
       : v8::Extension("v8_inspector/utils",
                       "native function print();"
                       "native function quit();"
                       "native function setlocale();"
+                      "native function read();"
                       "native function load();"
                       "native function compileAndRunWithOrigin();"
                       "native function setCurrentTimeMSForTest();"
                       "native function schedulePauseOnNextStatement();"
                       "native function cancelPauseOnNextStatement();") {}
   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",
                                                     v8::NewStringType::kNormal)
                                 .ToLocalChecked())
                    .FromJust()) {
       return v8::FunctionTemplate::New(isolate, UtilsExtension::Quit);
     } else if (name->Equals(context,
                             v8::String::NewFromUtf8(isolate, "setlocale",
                                                     v8::NewStringType::kNormal)
                                 .ToLocalChecked())
                    .FromJust()) {
       return v8::FunctionTemplate::New(isolate, UtilsExtension::SetLocale);
     } else if (name->Equals(context,
+                            v8::String::NewFromUtf8(isolate, "read",
+                                                    v8::NewStringType::kNormal)
+                                .ToLocalChecked())
+                   .FromJust()) {
+      return v8::FunctionTemplate::New(isolate, UtilsExtension::Read);
+    } else if (name->Equals(context,
                             v8::String::NewFromUtf8(isolate, "load",
                                                     v8::NewStringType::kNormal)
                                 .ToLocalChecked())
                    .FromJust()) {
       return v8::FunctionTemplate::New(isolate, UtilsExtension::Load);
     } else if (name->Equals(context, v8::String::NewFromUtf8(
                                          isolate, "compileAndRunWithOrigin",
                                          v8::NewStringType::kNormal)
                                          .ToLocalChecked())
                    .FromJust()) {
@@ skipping 74 matching lines @@
 
   static void SetLocale(const v8::FunctionCallbackInfo<v8::Value>& args) {
     if (args.Length() != 1 || !args[0]->IsString()) {
       fprintf(stderr, "Internal error: setlocale get one string argument.");
       Exit();
     }
     v8::String::Utf8Value str(args[0]);
     setlocale(LC_NUMERIC, *str);
   }
 
+  static bool ReadFile(v8::Isolate* isolate, v8::Local<v8::Value> name,
+                       v8::internal::Vector<const char>* chars) {
+    v8::String::Utf8Value str(name);
+    bool exists = false;
+    std::string filename(*str, str.length());
+    *chars = v8::internal::ReadFile(filename.c_str(), &exists);
+    if (!exists) {
+      isolate->ThrowException(
+          v8::String::NewFromUtf8(isolate, "Error reading file",
+                                  v8::NewStringType::kNormal)
+              .ToLocalChecked());
+      return false;
+    }
+    return true;
+  }
+
+  static void Read(const v8::FunctionCallbackInfo<v8::Value>& args) {
+    if (args.Length() != 1 || !args[0]->IsString()) {
+      fprintf(stderr, "Internal error: read gets one string argument.");
+      Exit();
+    }
+    v8::internal::Vector<const char> chars;
+    v8::Isolate* isolate = args.GetIsolate();
+    if (ReadFile(isolate, args[0], &chars)) {
+      args.GetReturnValue().Set(
+          v8::String::NewFromUtf8(isolate, chars.start(),
+                                  v8::NewStringType::kNormal, chars.length())
+              .ToLocalChecked());
+    }
+  }
+
   static void Load(const v8::FunctionCallbackInfo<v8::Value>& args) {
     if (args.Length() != 1 || !args[0]->IsString()) {
       fprintf(stderr, "Internal error: load gets one string argument.");
       Exit();
     }
-    v8::String::Utf8Value str(args[0]);
+    v8::internal::Vector<const char> chars;
     v8::Isolate* isolate = args.GetIsolate();
-    bool exists = false;
-    std::string filename(*str, str.length());
-    v8::internal::Vector<const char> chars =
-        v8::internal::ReadFile(filename.c_str(), &exists);
-    if (!exists) {
-      isolate->ThrowException(
-          v8::String::NewFromUtf8(isolate, "Error loading file",
-                                  v8::NewStringType::kNormal)
-              .ToLocalChecked());
-      return;
+    if (ReadFile(isolate, args[0], &chars)) {
+      ExecuteStringTask task(chars);
+      v8::Global<v8::Context> context(isolate, isolate->GetCurrentContext());
+      task.Run(isolate, context);
     }
-    ExecuteStringTask task(chars);
-    v8::Global<v8::Context> context(isolate, isolate->GetCurrentContext());
-    task.Run(isolate, context);
   }
 
   static void CompileAndRunWithOrigin(
       const v8::FunctionCallbackInfo<v8::Value>& args) {
     if (args.Length() != 5 || !args[0]->IsString() || !args[1]->IsString() ||
         !args[2]->IsInt32() || !args[3]->IsInt32() || !args[4]->IsBoolean()) {
       fprintf(stderr,
               "Internal error: compileAndRunWithOrigin(source, name, line, "
               "column, is_module).");
       Exit();
@@ skipping 377 matching lines @@
               argv[i]);
       Exit();
     }
     frontend_runner.Append(new ExecuteStringTask(chars));
   }
 
   frontend_runner.Join();
   backend_runner.Join();
   return 0;
 }