mock-ril/src/cpp/js_support.cpp - platform/hardware/ril - Git at Google

 /**
  * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include <v8.h>
 #include "ril.h"

 #include "ctrl_server.h"
 #include "logging.h"
 #include "node_buffer.h"
 #include "node_object_wrap.h"
 #include "node_util.h"
 #include "protobuf_v8.h"
 #include "responses.h"
 #include "status.h"
 #include "util.h"
 #include "worker.h"
 #include "worker_v8.h"

 #include "js_support.h"

 //#define JS_SUPPORT_DEBUG
 #ifdef  JS_SUPPORT_DEBUG

 #define DBG(...) ALOGD(__VA_ARGS__)

 #else

 #define DBG(...)

 #endif

 /**
  * Current Radio state
  */
 RIL_RadioState gRadioState = RADIO_STATE_UNAVAILABLE;

 v8::Handle<v8::Value> RadioStateGetter(v8::Local<v8::String> property,
         const v8::AccessorInfo& info) {
     return v8::Integer::New((int)gRadioState);
 }

 void RadioStateSetter(v8::Local<v8::String> property,
         v8::Local<v8::Value> value, const v8::AccessorInfo& info) {
     gRadioState = RIL_RadioState(value->Int32Value());
 }

 // A javascript sleep for a number of milli-seconds
 v8::Handle<v8::Value> MsSleep(const v8::Arguments& args) {
     if (args.Length() != 1) {
         DBG("MsSleep: expecting milli-seconds to sleep");
     } else {
         v8::Handle<v8::Value> v8MsValue(args[0]->ToObject());
         int ms = int(v8MsValue->NumberValue());
         v8::Unlocker unlocker;
         usleep(ms * 1000);
         v8::Locker locker;
     }
     return v8::Undefined();
 }

 // A javascript print function
 v8::Handle<v8::Value> Print(const v8::Arguments& args) {
     bool first = true;
     const int str_size = 1000;
     char* str = new char[str_size];
     int offset = 0;
     for (int i = 0; i < args.Length(); i++) {
         v8::HandleScope handle_scope;
         if (first) {
             first = false;
         } else {
             offset += snprintf(&str[offset], str_size, " ");
         }
         v8::String::Utf8Value strUtf8(args[i]);
         const char* cstr = ToCString(strUtf8);
         offset += snprintf(&str[offset], str_size, "%s", cstr);
     }
     ALOGD("%s", str);
     delete [] str;
     return v8::Undefined();
 }

 int ReadFile(const char *fileName, char** data, size_t *length) {
     int status;
     char* buffer = NULL;
     size_t fileLength = 0;
     FILE *f;

     DBG("ReadFile E fileName=%s", fileName);

     f = fopen(fileName, "rb");
     if (f == NULL) {
         DBG("Could not fopen '%s'", fileName);
         status = STATUS_COULD_NOT_OPEN_FILE;
     } else {
         // Determine the length of the file
         fseek(f, 0, SEEK_END);
         fileLength = ftell(f);
         DBG("fileLength=%d", fileLength);
         rewind(f);

         // Read file into a buffer
         buffer = new char[fileLength+1];
         size_t readLength = fread(buffer, 1, fileLength, f);
         if (readLength != fileLength) {
             DBG("Couldn't read entire file");
             delete [] buffer;
             buffer = NULL;
             status = STATUS_COULD_NOT_READ_FILE;
         } else {
             DBG("File read");
             buffer[fileLength] = 0;
             status = STATUS_OK;
         }
         fclose(f);
     }

     if (length != NULL) {
         *length = fileLength;
     }
     *data = buffer;
     DBG("ReadFile X status=%d", status);
     return status;
 }

 char *CreateFileName(const v8::Arguments& args) {
     v8::String::Utf8Value fileNameUtf8Value(args[0]);
     const char* fileName = ToCString(fileNameUtf8Value);
     const char* directory = "/sdcard/data/";

     int fullPathLength = strlen(directory) + strlen(fileName) + 1;
     char * fullPath = new char[fullPathLength];
     strncpy(fullPath, directory, fullPathLength);
     strncat(fullPath, fileName, fullPathLength);
     return fullPath;
 }

 // A javascript read file function arg[0] = filename
 v8::Handle<v8::Value> ReadFileToString(const v8::Arguments& args) {
     DBG("ReadFileToString E");
     v8::HandleScope handle_scope;
     v8::Handle<v8::Value> retValue;

     if (args.Length() < 1) {
         // No file name return Undefined
         DBG("ReadFile X no argumens");
         return v8::Undefined();
     } else {
         char *fileName = CreateFileName(args);

         char *buffer;
         int status = ReadFile(fileName, &buffer);
         if (status == 0) {
             retValue = v8::String::New(buffer);
         } else {
             retValue = v8::Undefined();
         }
     }
     DBG("ReadFileToString X");
     return retValue;
 }

 // A javascript read file function arg[0] = filename
 v8::Handle<v8::Value> ReadFileToBuffer(const v8::Arguments& args) {
     DBG("ReadFileToBuffer E");
     v8::HandleScope handle_scope;
     v8::Handle<v8::Value> retValue;

     if (args.Length() < 1) {
         // No file name return Undefined
         DBG("ReadFileToBuffer X no argumens");
         return v8::Undefined();
     } else {
         char *fileName = CreateFileName(args);

         char *buffer;
         size_t length;
         int status = ReadFile(fileName, &buffer, &length);
         if (status == 0) {
             Buffer *buf = Buffer::New(length);
             memmove(buf->data(), buffer, length);
             retValue = buf->handle_;
         } else {
             retValue = v8::Undefined();
         }
     }
     DBG("ReadFileToBuffer X");
     return retValue;
 }

 void ErrorCallback(v8::Handle<v8::Message> message,
         v8::Handle<v8::Value> data) {
     LogErrorMessage(message, "");
 }

 // Read, compile and run a javascript file
 v8::Handle<v8::Value> Include(const v8::Arguments& args) {
     DBG("Include E");
     v8::HandleScope handle_scope;
     v8::Handle<v8::Value> retValue;
     v8::TryCatch try_catch;
     try_catch.SetVerbose(true);

     if (args.Length() < 1) {
         // No file name return Undefined
         DBG("Include X no argumens");
         return v8::Undefined();
     } else {
         char *fileName = CreateFileName(args);

         char *buffer;
         int status = ReadFile(fileName, &buffer);
         if (status == 0) {
             runJs(v8::Context::GetCurrent(), &try_catch, fileName, buffer);
         } else {
             retValue = v8::Undefined();
         }
     }
     DBG("Include X");
     return retValue;
 }


 /**
  * Create a JsContext, must be called within a HandleScope?
  */
 v8::Persistent<v8::Context> makeJsContext() {
     v8::HandleScope handle_scope;
     v8::TryCatch try_catch;

     // Add a Message listner to Catch errors as they occur
     v8::V8::AddMessageListener(ErrorCallback);

     // Create a template for the global object and
     // add the function template for print to it.
     v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New();
     global->SetAccessor(v8::String::New("gRadioState"),
             RadioStateGetter, RadioStateSetter);
     global->Set(v8::String::New("msSleep"), v8::FunctionTemplate::New(MsSleep));
     global->Set(v8::String::New("print"), v8::FunctionTemplate::New(Print));
     global->Set(v8::String::New("readFileToBuffer"),
             v8::FunctionTemplate::New(ReadFileToBuffer));
     global->Set(v8::String::New("readFileToString"),
             v8::FunctionTemplate::New(ReadFileToString));
     global->Set(v8::String::New("sendRilRequestComplete"),
             v8::FunctionTemplate::New(SendRilRequestComplete));
     global->Set(v8::String::New("sendRilUnsolicitedResponse"),
             v8::FunctionTemplate::New(SendRilUnsolicitedResponse));
     global->Set(v8::String::New("sendCtrlRequestComplete"),
             v8::FunctionTemplate::New(SendCtrlRequestComplete));
     global->Set(v8::String::New("include"), v8::FunctionTemplate::New(Include));
     WorkerV8ObjectTemplateInit(global);
     SchemaObjectTemplateInit(global);
     Buffer::InitializeObjectTemplate(global);

     // Create context with our globals and make it the current scope
     v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);


     if (try_catch.HasCaught()) {
         DBG("makeJsContext: Exception making the context");
         ReportException(&try_catch);
         try_catch.ReThrow();
     }

     return context;
 }

 /**
  * Run some javascript code.
  */
 void runJs(v8::Handle<v8::Context> context, v8::TryCatch *try_catch,
         const char *fileName, const char *code) {
     v8::HandleScope handle_scope;

     // Compile the source
     v8::Handle<v8::Script> script = v8::Script::Compile(
                 v8::String::New(code), v8::String::New(fileName));
     if (try_catch->HasCaught()) {
         LOGE("-- Compiling the source failed");
     } else {
         // Run the resulting script
         v8::Handle<v8::Value> result = script->Run();
         if (try_catch->HasCaught()) {
             LOGE("-- Running the script failed");
         }
     }
 }

 void testRadioState(v8::Handle<v8::Context> context) {
     ALOGD("testRadioState E:");
     v8::HandleScope handle_scope;

     v8::TryCatch try_catch;
     try_catch.SetVerbose(true);

     runJs(context, &try_catch, "local-string",
         "for(i = 0; i < 10; i++) {\n"
         "  gRadioState = i;\n"
         "  print('gRadioState=' + gRadioState);\n"
         "}\n"
         "gRadioState = 1;\n"
         "print('last gRadioState=' + gRadioState);\n");
     ALOGD("testRadioState X:");
 }

 void testMsSleep(v8::Handle<v8::Context> context) {
     ALOGD("testMsSleep E:");
     v8::HandleScope handle_scope;

     v8::TryCatch try_catch;
     try_catch.SetVerbose(true);

     runJs(context, &try_catch, "local-string",
         "for(i = 0; i < 10; i++) {\n"
         "  sleeptime = i * 200\n"
         "  print('msSleep ' + sleeptime);\n"
         "  msSleep(sleeptime);\n"
         "}\n");
     ALOGD("testMsSleep X:");
 }

 void testPrint(v8::Handle<v8::Context> context) {
     ALOGD("testPrint E:");
     v8::HandleScope handle_scope;

     v8::TryCatch try_catch;
     try_catch.SetVerbose(true);

     runJs(context, &try_catch, "local-string", "print(\"Hello\")");
     ALOGD("testPrint X:");
 }

 void testCompileError(v8::Handle<v8::Context> context) {
     ALOGD("testCompileError E:");
     v8::HandleScope handle_scope;

     v8::TryCatch try_catch;
     try_catch.SetVerbose(true);

     // +++ generate a compile time error
     runJs(context, &try_catch, "local-string", "+++");
     ALOGD("testCompileError X:");
 }

 void testRuntimeError(v8::Handle<v8::Context> context) {
     ALOGD("testRuntimeError E:");
     v8::HandleScope handle_scope;

     v8::TryCatch try_catch;
     try_catch.SetVerbose(true);

     // Runtime error
     runJs(context, &try_catch, "local-string",
         "function hello() {\n"
         "  print(\"Hi there\");\n"
         "}\n"
         "helloo()");
     ALOGD("testRuntimeError X:");
 }

 void testReadFile() {
     char *buffer;
     size_t length;
     int status;

     ALOGD("testReadFile E:");

     status = ReadFile("/sdcard/data/no-file", &buffer, &length);
     ALOGD("testReadFile expect status != 0, status=%d, buffer=%p, length=%d",
             status, buffer, length);

     ALOGD("testReadFile X:");
 }


 void testReadFileToStringBuffer(v8::Handle<v8::Context> context) {
     ALOGD("testReadFileToStringBuffer E:");
     v8::HandleScope handle_scope;

     v8::TryCatch try_catch;
     try_catch.SetVerbose(true);

     runJs(context, &try_catch, "local-string",
         "fileContents = readFileToString(\"mock_ril.js\");\n"
         "print(\"fileContents:\\n\" + fileContents);\n"
         "buffer = readFileToBuffer(\"ril.desc\");\n"
         "print(\"buffer.length=\" + buffer.length);\n");
     ALOGD("testReadFileToStringBuffer X:");
 }

 void testJsSupport(v8::Handle<v8::Context> context) {
     ALOGD("testJsSupport E: ********");
     testRadioState(context);
     testMsSleep(context);
     testPrint(context);
     testCompileError(context);
     testRuntimeError(context);
     testReadFile();
     testReadFileToStringBuffer(context);
     ALOGD("testJsSupport X: ********\n");
 }
	/**
	* Copyright (C) 2010 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include <v8.h>
	#include "ril.h"

	#include "ctrl_server.h"
	#include "logging.h"
	#include "node_buffer.h"
	#include "node_object_wrap.h"
	#include "node_util.h"
	#include "protobuf_v8.h"
	#include "responses.h"
	#include "status.h"
	#include "util.h"
	#include "worker.h"
	#include "worker_v8.h"

	#include "js_support.h"

	//#define JS_SUPPORT_DEBUG
	#ifdef JS_SUPPORT_DEBUG

	#define DBG(...) ALOGD(__VA_ARGS__)

	#else

	#define DBG(...)

	#endif

	/**
	* Current Radio state
	*/
	RIL_RadioState gRadioState = RADIO_STATE_UNAVAILABLE;

	v8::Handle<v8::Value> RadioStateGetter(v8::Local<v8::String> property,
	const v8::AccessorInfo& info) {
	return v8::Integer::New((int)gRadioState);
	}

	void RadioStateSetter(v8::Local<v8::String> property,
	v8::Local<v8::Value> value, const v8::AccessorInfo& info) {
	gRadioState = RIL_RadioState(value->Int32Value());
	}

	// A javascript sleep for a number of milli-seconds
	v8::Handle<v8::Value> MsSleep(const v8::Arguments& args) {
	if (args.Length() != 1) {
	DBG("MsSleep: expecting milli-seconds to sleep");
	} else {
	v8::Handle<v8::Value> v8MsValue(args[0]->ToObject());
	int ms = int(v8MsValue->NumberValue());
	v8::Unlocker unlocker;
	usleep(ms * 1000);
	v8::Locker locker;
	}
	return v8::Undefined();
	}

	// A javascript print function
	v8::Handle<v8::Value> Print(const v8::Arguments& args) {
	bool first = true;
	const int str_size = 1000;
	char* str = new char[str_size];
	int offset = 0;
	for (int i = 0; i < args.Length(); i++) {
	v8::HandleScope handle_scope;
	if (first) {
	first = false;
	} else {
	offset += snprintf(&str[offset], str_size, " ");
	}
	v8::String::Utf8Value strUtf8(args[i]);
	const char* cstr = ToCString(strUtf8);
	offset += snprintf(&str[offset], str_size, "%s", cstr);
	}
	ALOGD("%s", str);
	delete [] str;
	return v8::Undefined();
	}

	int ReadFile(const char fileName, char* data, size_t *length) {
	int status;
	char* buffer = NULL;
	size_t fileLength = 0;
	FILE *f;

	DBG("ReadFile E fileName=%s", fileName);

	f = fopen(fileName, "rb");
	if (f == NULL) {
	DBG("Could not fopen '%s'", fileName);
	status = STATUS_COULD_NOT_OPEN_FILE;
	} else {
	// Determine the length of the file
	fseek(f, 0, SEEK_END);
	fileLength = ftell(f);
	DBG("fileLength=%d", fileLength);
	rewind(f);

	// Read file into a buffer
	buffer = new char[fileLength+1];
	size_t readLength = fread(buffer, 1, fileLength, f);
	if (readLength != fileLength) {
	DBG("Couldn't read entire file");
	delete [] buffer;
	buffer = NULL;
	status = STATUS_COULD_NOT_READ_FILE;
	} else {
	DBG("File read");
	buffer[fileLength] = 0;
	status = STATUS_OK;
	}
	fclose(f);
	}

	if (length != NULL) {
	*length = fileLength;
	}
	*data = buffer;
	DBG("ReadFile X status=%d", status);
	return status;
	}

	char *CreateFileName(const v8::Arguments& args) {
	v8::String::Utf8Value fileNameUtf8Value(args[0]);
	const char* fileName = ToCString(fileNameUtf8Value);
	const char* directory = "/sdcard/data/";

	int fullPathLength = strlen(directory) + strlen(fileName) + 1;
	char * fullPath = new char[fullPathLength];
	strncpy(fullPath, directory, fullPathLength);
	strncat(fullPath, fileName, fullPathLength);
	return fullPath;
	}

	// A javascript read file function arg[0] = filename
	v8::Handle<v8::Value> ReadFileToString(const v8::Arguments& args) {
	DBG("ReadFileToString E");
	v8::HandleScope handle_scope;
	v8::Handle<v8::Value> retValue;

	if (args.Length() < 1) {
	// No file name return Undefined
	DBG("ReadFile X no argumens");
	return v8::Undefined();
	} else {
	char *fileName = CreateFileName(args);

	char *buffer;
	int status = ReadFile(fileName, &buffer);
	if (status == 0) {
	retValue = v8::String::New(buffer);
	} else {
	retValue = v8::Undefined();
	}
	}
	DBG("ReadFileToString X");
	return retValue;
	}

	// A javascript read file function arg[0] = filename
	v8::Handle<v8::Value> ReadFileToBuffer(const v8::Arguments& args) {
	DBG("ReadFileToBuffer E");
	v8::HandleScope handle_scope;
	v8::Handle<v8::Value> retValue;

	if (args.Length() < 1) {
	// No file name return Undefined
	DBG("ReadFileToBuffer X no argumens");
	return v8::Undefined();
	} else {
	char *fileName = CreateFileName(args);

	char *buffer;
	size_t length;
	int status = ReadFile(fileName, &buffer, &length);
	if (status == 0) {
	Buffer *buf = Buffer::New(length);
	memmove(buf->data(), buffer, length);
	retValue = buf->handle_;
	} else {
	retValue = v8::Undefined();
	}
	}
	DBG("ReadFileToBuffer X");
	return retValue;
	}

	void ErrorCallback(v8::Handle<v8::Message> message,
	v8::Handle<v8::Value> data) {
	LogErrorMessage(message, "");
	}

	// Read, compile and run a javascript file
	v8::Handle<v8::Value> Include(const v8::Arguments& args) {
	DBG("Include E");
	v8::HandleScope handle_scope;
	v8::Handle<v8::Value> retValue;
	v8::TryCatch try_catch;
	try_catch.SetVerbose(true);

	if (args.Length() < 1) {
	// No file name return Undefined
	DBG("Include X no argumens");
	return v8::Undefined();
	} else {
	char *fileName = CreateFileName(args);

	char *buffer;
	int status = ReadFile(fileName, &buffer);
	if (status == 0) {
	runJs(v8::Context::GetCurrent(), &try_catch, fileName, buffer);
	} else {
	retValue = v8::Undefined();
	}
	}
	DBG("Include X");
	return retValue;
	}


	/**
	* Create a JsContext, must be called within a HandleScope?
	*/
	v8::Persistent<v8::Context> makeJsContext() {
	v8::HandleScope handle_scope;
	v8::TryCatch try_catch;

	// Add a Message listner to Catch errors as they occur
	v8::V8::AddMessageListener(ErrorCallback);

	// Create a template for the global object and
	// add the function template for print to it.
	v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New();
	global->SetAccessor(v8::String::New("gRadioState"),
	RadioStateGetter, RadioStateSetter);
	global->Set(v8::String::New("msSleep"), v8::FunctionTemplate::New(MsSleep));
	global->Set(v8::String::New("print"), v8::FunctionTemplate::New(Print));
	global->Set(v8::String::New("readFileToBuffer"),
	v8::FunctionTemplate::New(ReadFileToBuffer));
	global->Set(v8::String::New("readFileToString"),
	v8::FunctionTemplate::New(ReadFileToString));
	global->Set(v8::String::New("sendRilRequestComplete"),
	v8::FunctionTemplate::New(SendRilRequestComplete));
	global->Set(v8::String::New("sendRilUnsolicitedResponse"),
	v8::FunctionTemplate::New(SendRilUnsolicitedResponse));
	global->Set(v8::String::New("sendCtrlRequestComplete"),
	v8::FunctionTemplate::New(SendCtrlRequestComplete));
	global->Set(v8::String::New("include"), v8::FunctionTemplate::New(Include));
	WorkerV8ObjectTemplateInit(global);
	SchemaObjectTemplateInit(global);
	Buffer::InitializeObjectTemplate(global);

	// Create context with our globals and make it the current scope
	v8::Persistent<v8::Context> context = v8::Context::New(NULL, global);


	if (try_catch.HasCaught()) {
	DBG("makeJsContext: Exception making the context");
	ReportException(&try_catch);
	try_catch.ReThrow();
	}

	return context;
	}

	/**
	* Run some javascript code.
	*/
	void runJs(v8::Handle<v8::Context> context, v8::TryCatch *try_catch,
	const char fileName, const char code) {
	v8::HandleScope handle_scope;

	// Compile the source
	v8::Handle<v8::Script> script = v8::Script::Compile(
	v8::String::New(code), v8::String::New(fileName));
	if (try_catch->HasCaught()) {
	LOGE("-- Compiling the source failed");
	} else {
	// Run the resulting script
	v8::Handle<v8::Value> result = script->Run();
	if (try_catch->HasCaught()) {
	LOGE("-- Running the script failed");
	}
	}
	}

	void testRadioState(v8::Handle<v8::Context> context) {
	ALOGD("testRadioState E:");
	v8::HandleScope handle_scope;

	v8::TryCatch try_catch;
	try_catch.SetVerbose(true);

	runJs(context, &try_catch, "local-string",
	"for(i = 0; i < 10; i++) {\n"
	" gRadioState = i;\n"
	" print('gRadioState=' + gRadioState);\n"
	"}\n"
	"gRadioState = 1;\n"
	"print('last gRadioState=' + gRadioState);\n");
	ALOGD("testRadioState X:");
	}

	void testMsSleep(v8::Handle<v8::Context> context) {
	ALOGD("testMsSleep E:");
	v8::HandleScope handle_scope;

	v8::TryCatch try_catch;
	try_catch.SetVerbose(true);

	runJs(context, &try_catch, "local-string",
	"for(i = 0; i < 10; i++) {\n"
	" sleeptime = i * 200\n"
	" print('msSleep ' + sleeptime);\n"
	" msSleep(sleeptime);\n"
	"}\n");
	ALOGD("testMsSleep X:");
	}

	void testPrint(v8::Handle<v8::Context> context) {
	ALOGD("testPrint E:");
	v8::HandleScope handle_scope;

	v8::TryCatch try_catch;
	try_catch.SetVerbose(true);

	runJs(context, &try_catch, "local-string", "print(\"Hello\")");
	ALOGD("testPrint X:");
	}

	void testCompileError(v8::Handle<v8::Context> context) {
	ALOGD("testCompileError E:");
	v8::HandleScope handle_scope;

	v8::TryCatch try_catch;
	try_catch.SetVerbose(true);

	// +++ generate a compile time error
	runJs(context, &try_catch, "local-string", "+++");
	ALOGD("testCompileError X:");
	}

	void testRuntimeError(v8::Handle<v8::Context> context) {
	ALOGD("testRuntimeError E:");
	v8::HandleScope handle_scope;

	v8::TryCatch try_catch;
	try_catch.SetVerbose(true);

	// Runtime error
	runJs(context, &try_catch, "local-string",
	"function hello() {\n"
	" print(\"Hi there\");\n"
	"}\n"
	"helloo()");
	ALOGD("testRuntimeError X:");
	}

	void testReadFile() {
	char *buffer;
	size_t length;
	int status;

	ALOGD("testReadFile E:");

	status = ReadFile("/sdcard/data/no-file", &buffer, &length);
	ALOGD("testReadFile expect status != 0, status=%d, buffer=%p, length=%d",
	status, buffer, length);

	ALOGD("testReadFile X:");
	}


	void testReadFileToStringBuffer(v8::Handle<v8::Context> context) {
	ALOGD("testReadFileToStringBuffer E:");
	v8::HandleScope handle_scope;

	v8::TryCatch try_catch;
	try_catch.SetVerbose(true);

	runJs(context, &try_catch, "local-string",
	"fileContents = readFileToString(\"mock_ril.js\");\n"
	"print(\"fileContents:\\n\" + fileContents);\n"
	"buffer = readFileToBuffer(\"ril.desc\");\n"
	"print(\"buffer.length=\" + buffer.length);\n");
	ALOGD("testReadFileToStringBuffer X:");
	}

	void testJsSupport(v8::Handle<v8::Context> context) {
	ALOGD("testJsSupport E: ********");
	testRadioState(context);
	testMsSleep(context);
	testPrint(context);
	testCompileError(context);
	testRuntimeError(context);
	testReadFile();
	testReadFileToStringBuffer(context);
	ALOGD("testJsSupport X: ********\n");
	}