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727d29d6b6d4324595750411647789d2fd39dbb4
sdk/runtime/vm/service_test.cc
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johnmccutchan@google.com 727d29d6b6 Refactor VM service IDs: 
- IDs are strings which can be concatenated together like paths.
- Isolate ID is now "/isolates/XXX"
- Function, field, class, library, and script IDs are now stable.
- Introduce <type-ref> tags.

R=turnidge@google.com

Review URL: https://codereview.chromium.org//98253009

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@31358 260f80e4-7a28-3924-810f-c04153c831b5
2013-12-20 22:35:55 +00:00

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// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "include/dart_debugger_api.h"
#include "vm/dart_api_impl.h"
#include "vm/dart_entry.h"
#include "vm/debugger.h"
#include "vm/globals.h"
#include "vm/message_handler.h"
#include "vm/os.h"
#include "vm/port.h"
#include "vm/service.h"
#include "vm/unit_test.h"
namespace dart {
class ServiceTestMessageHandler : public MessageHandler {
public:
ServiceTestMessageHandler() : _msg(NULL) {}
~ServiceTestMessageHandler() {
free(_msg);
}
bool HandleMessage(Message* message) {
if (_msg != NULL) {
free(_msg);
}
// Parse the message.
SnapshotReader reader(message->data(), message->len(),
Snapshot::kMessage, Isolate::Current());
const Object& response_obj = Object::Handle(reader.ReadObject());
String& response = String::Handle();
response ^= response_obj.raw();
_msg = strdup(response.ToCString());
return true;
}
const char* msg() const { return _msg; }
private:
char* _msg;
};
static RawInstance* Eval(Dart_Handle lib, const char* expr) {
Dart_Handle result = Dart_EvaluateExpr(lib, NewString(expr));
EXPECT_VALID(result);
Isolate* isolate = Isolate::Current();
const Instance& instance = Api::UnwrapInstanceHandle(isolate, result);
return instance.raw();
}
static RawInstance* EvalF(Dart_Handle lib, const char* fmt, ...) {
Isolate* isolate = Isolate::Current();
va_list args;
va_start(args, fmt);
intptr_t len = OS::VSNPrint(NULL, 0, fmt, args);
va_end(args);
char* buffer = isolate->current_zone()->Alloc<char>(len + 1);
va_list args2;
va_start(args2, fmt);
OS::VSNPrint(buffer, (len + 1), fmt, args2);
va_end(args2);
return Eval(lib, buffer);
}
/*
static RawFunction* GetFunction(const Class& cls, const char* name) {
const Function& result = Function::Handle(cls.LookupDynamicFunction(
String::Handle(String::New(name))));
EXPECT(!result.IsNull());
return result.raw();
}
static RawFunction* GetStaticFunction(const Class& cls, const char* name) {
const Function& result = Function::Handle(cls.LookupStaticFunction(
String::Handle(String::New(name))));
EXPECT(!result.IsNull());
return result.raw();
}
static RawField* GetField(const Class& cls, const char* name) {
const Field& field =
Field::Handle(cls.LookupField(String::Handle(String::New(name))));
EXPECT(!field.IsNull());
return field.raw();
}
*/
static RawClass* GetClass(const Library& lib, const char* name) {
const Class& cls = Class::Handle(
lib.LookupClass(String::Handle(Symbols::New(name))));
EXPECT(!cls.IsNull()); // No ambiguity error expected.
return cls.raw();
}
TEST_CASE(Service_DebugBreakpoints) {
const char* kScript =
"var port;\n" // Set to our mock port by C++.
"\n"
"main() {\n" // We set breakpoint here.
"}";
Isolate* isolate = Isolate::Current();
Dart_Handle lib = TestCase::LoadTestScript(kScript, NULL);
EXPECT_VALID(lib);
// Build a mock message handler and wrap it in a dart port.
ServiceTestMessageHandler handler;
Dart_Port port_id = PortMap::CreatePort(&handler);
Dart_Handle port =
Api::NewHandle(isolate, DartLibraryCalls::NewSendPort(port_id));
EXPECT_VALID(port);
EXPECT_VALID(Dart_SetField(lib, NewString("port"), port));
Instance& service_msg = Instance::Handle();
// Add a breakpoint.
const String& url = String::Handle(String::New(TestCase::url()));
isolate->debugger()->SetBreakpointAtLine(url, 3);
// Get the breakpoint list.
service_msg = Eval(lib, "[port, ['debug', 'breakpoints'], [], []]");
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"BreakpointList\",\"breakpoints\":[{"
"\"type\":\"Breakpoint\",\"id\":1,\"enabled\":true,"
"\"resolved\":false,"
"\"location\":{\"type\":\"Location\",\"libId\":12,"
"\"script\":\"dart:test-lib\",\"tokenPos\":5}}]}",
handler.msg());
// Individual breakpoint.
service_msg = Eval(lib, "[port, ['debug', 'breakpoints', '1'], [], []]");
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Breakpoint\",\"id\":1,\"enabled\":true,"
"\"resolved\":false,"
"\"location\":{\"type\":\"Location\",\"libId\":12,"
"\"script\":\"dart:test-lib\",\"tokenPos\":5}}",
handler.msg());
// Missing sub-command.
service_msg = Eval(lib, "[port, ['debug'], [], []]");
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Error\","
"\"text\":\"Must specify a subcommand\","
"\"message\":{\"arguments\":[\"debug\"],\"option_keys\":[],"
"\"option_values\":[]}}",
handler.msg());
// Unrecognized breakpoint.
service_msg = Eval(lib, "[port, ['debug', 'breakpoints', '1111'], [], []]");
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ("{\"type\":\"Error\","
"\"text\":\"Unrecognized breakpoint id 1111\","
"\"message\":{"
"\"arguments\":[\"debug\",\"breakpoints\",\"1111\"],"
"\"option_keys\":[],\"option_values\":[]}}",
handler.msg());
// Command too long.
service_msg =
Eval(lib, "[port, ['debug', 'breakpoints', '1111', 'green'], [], []]");
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ("{\"type\":\"Error\",\"text\":\"Command too long\","
"\"message\":{\"arguments\":[\"debug\",\"breakpoints\","
"\"1111\",\"green\"],"
"\"option_keys\":[],\"option_values\":[]}}",
handler.msg());
// Unrecognized subcommand.
service_msg = Eval(lib, "[port, ['debug', 'nosferatu'], [], []]");
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ("{\"type\":\"Error\","
"\"text\":\"Unrecognized subcommand 'nosferatu'\","
"\"message\":{\"arguments\":[\"debug\",\"nosferatu\"],"
"\"option_keys\":[],\"option_values\":[]}}",
handler.msg());
}
TEST_CASE(Service_Classes) {
const char* kScript =
"var port;\n" // Set to our mock port by C++.
"\n"
"class A {\n"
" var a;\n"
" dynamic b() {}\n"
" dynamic c() {\n"
" var d = () { b(); };\n"
" return d;\n"
" }\n"
"}\n"
"main() {\n"
" var z = new A();\n"
" var x = z.c();\n"
" x();\n"
"}";
Isolate* isolate = Isolate::Current();
Dart_Handle h_lib = TestCase::LoadTestScript(kScript, NULL);
EXPECT_VALID(h_lib);
Library& lib = Library::Handle();
lib ^= Api::UnwrapHandle(h_lib);
EXPECT(!lib.IsNull());
Dart_Handle result = Dart_Invoke(h_lib, NewString("main"), 0, NULL);
EXPECT_VALID(result);
const Class& class_a = Class::Handle(GetClass(lib, "A"));
EXPECT(!class_a.IsNull());
intptr_t cid = class_a.id();
// Build a mock message handler and wrap it in a dart port.
ServiceTestMessageHandler handler;
Dart_Port port_id = PortMap::CreatePort(&handler);
Dart_Handle port =
Api::NewHandle(isolate, DartLibraryCalls::NewSendPort(port_id));
EXPECT_VALID(port);
EXPECT_VALID(Dart_SetField(h_lib, NewString("port"), port));
Instance& service_msg = Instance::Handle();
// Request an invalid class id.
service_msg = Eval(h_lib, "[port, ['classes', '999999'], [], []]");
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Error\",\"text\":\"999999 is not a valid class id.\","
"\"message\":{\"arguments\":[\"classes\",\"999999\"],"
"\"option_keys\":[],\"option_values\":[]}}", handler.msg());
// Request the class A over the service.
service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "'], [], []]", cid);
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Class\",\"id\":\"classes\\/1009\",\"name\":\"A\","
"\"user_name\":\"A\",\"implemented\":false,\"abstract\":false,"
"\"patch\":false,\"finalized\":true,\"const\":false,\"super\":"
"{\"type\":\"@Class\",\"id\":\"classes\\/35\",\"name\":\"Object\","
"\"user_name\":\"Object\"},\"library\":{\"type\":\"@Library\",\"id\":"
"\"libraries\\/12\",\"name\":\"\",\"user_name\":\"dart:test-lib\"},"
"\"fields\":[{\"type\":\"@Field\",\"id\":\"classes\\/1009\\/fields\\/0\","
"\"name\":\"a\",\"user_name\":\"a\",\"owner\":{\"type\":\"@Class\","
"\"id\":\"classes\\/1009\",\"name\":\"A\",\"user_name\":\"A\"},"
"\"declared_type\":{\"type\":\"@Class\",\"id\":\"classes\\/106\","
"\"name\":\"dynamic\",\"user_name\":\"dynamic\"},\"static\":false,"
"\"final\":false,\"const\":false}],\"functions\":["
"{\"type\":\"@Function\",\"id\":\"classes\\/1009\\/functions\\/0\","
"\"name\":\"get:a\",\"user_name\":\"A.a\"},{\"type\":\"@Function\","
"\"id\":\"classes\\/1009\\/functions\\/1\",\"name\":\"set:a\","
"\"user_name\":\"A.a=\"},{\"type\":\"@Function\",\"id\":"
"\"classes\\/1009\\/functions\\/2\",\"name\":\"b\",\"user_name\":\"A.b\"}"
",{\"type\":\"@Function\",\"id\":\"classes\\/1009\\/functions\\/3\","
"\"name\":\"c\",\"user_name\":\"A.c\"},{\"type\":\"@Function\",\"id\":"
"\"classes\\/1009\\/functions\\/4\",\"name\":\"A.\",\"user_name\":"
"\"A.A\"}]}",
handler.msg());
// Request function 0 from class A.
service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'functions', '0'],"
"[], []]", cid);
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Function\",\"id\":\"classes\\/1009\\/functions\\/0\",\"name\":"
"\"get:a\",\"user_name\":\"A.a\",\"is_static\":false,\"is_const\":false,"
"\"is_optimizable\":true,\"is_inlinable\":false,\"kind\":"
"\"implicit getter\",\"unoptimized_code\":{\"type\":\"null\"},"
"\"usage_counter\":0,\"optimized_call_site_count\":0,\"code\":"
"{\"type\":\"null\"},\"deoptimizations\":0}", handler.msg());
// Request field 0 from class A.
service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'fields', '0'],"
"[], []]", cid);
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Field\",\"id\":\"classes\\/1009\\/fields\\/0\",\"name\":\"a\","
"\"user_name\":\"a\",\"owner\":{\"type\":\"@Class\",\"id\":"
"\"classes\\/1009\",\"name\":\"A\",\"user_name\":\"A\"},\"declared_type\":"
"{\"type\":\"@Class\",\"id\":\"classes\\/106\",\"name\":\"dynamic\","
"\"user_name\":\"dynamic\"},\"static\":false,\"final\":false,\"const\":"
"false,\"guard_nullable\":true,\"guard_class\":{\"type\":\"@Class\","
"\"id\":\"classes\\/105\",\"name\":\"Null\",\"user_name\":\"Null\"},"
"\"guard_length\":\"variable\"}", handler.msg());
// Invalid sub command.
service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'huh', '0'],"
"[], []]", cid);
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Error\",\"text\":\"Invalid sub collection huh\",\"message\":"
"{\"arguments\":[\"classes\",\"1009\",\"huh\",\"0\"],\"option_keys\":[],"
"\"option_values\":[]}}", handler.msg());
// Invalid field request.
service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'fields', '9'],"
"[], []]", cid);
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Error\",\"text\":\"fields id (9) must be in [0, 1).\","
"\"message\":{\"arguments\":[\"classes\",\"1009\",\"fields\",\"9\"],"
"\"option_keys\":[],\"option_values\":[]}}", handler.msg());
// Invalid function request.
service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'functions', '9'],"
"[], []]", cid);
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Error\",\"text\":\"functions id (9) must be in [0, 5).\","
"\"message\":{\"arguments\":[\"classes\",\"1009\",\"functions\",\"9\"],"
"\"option_keys\":[],\"option_values\":[]}}", handler.msg());
// Invalid field subcommand.
service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'fields', '9', 'x']"
",[], []]", cid);
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Error\",\"text\":\"Command too long\",\"message\":"
"{\"arguments\":[\"classes\",\"1009\",\"fields\",\"9\",\"x\"],"
"\"option_keys\":[],\"option_values\":[]}}",
handler.msg());
// Invalid function request.
service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'functions', '9',"
"'x'], [], []]", cid);
Service::HandleServiceMessage(isolate, service_msg);
handler.HandleNextMessage();
EXPECT_STREQ(
"{\"type\":\"Error\",\"text\":\"Command too long\",\"message\":"
"{\"arguments\":[\"classes\",\"1009\",\"functions\",\"9\",\"x\"],"
"\"option_keys\":[],\"option_values\":[]}}",
handler.msg());
}
} // namespace dart
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