Version 1.1.0-dev.5.2

dart/runtime/vm/service_test.cc

 // 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"
@@ skipping 36 matching lines @@
 
 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 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);
@@ skipping 13 matching lines @@
   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,"
+          "\"location\":{\"type\":\"Location\","
                         "\"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,"
+       "\"location\":{\"type\":\"Location\","
                      "\"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\","
@@ skipping 27 matching lines @@
   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\":"
+    "\"kImplicitGetter\",\"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\":\"Field 9 not found\","
+    "\"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\":\"Function 9 not found\","
+    "\"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());
+}
+
+
+TEST_CASE(Service_Code) {
+  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());
+  const Function& function_c = Function::Handle(GetFunction(class_a, "c"));
+  EXPECT(!function_c.IsNull());
+  const Code& code_c = Code::Handle(function_c.CurrentCode());
+  EXPECT(!code_c.IsNull());
+  // Use the entry of the code object as it's reference.
+  uword entry = code_c.EntryPoint();
+  EXPECT_GT(code_c.Size(), 16);
+  uword last = entry + code_c.Size();
+
+  // 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 code object.
+  service_msg = Eval(h_lib, "[port, ['code', '0'], [], []]");
+  Service::HandleServiceMessage(isolate, service_msg);
+  handler.HandleNextMessage();
+  EXPECT_STREQ(
+    "{\"type\":\"Error\",\"text\":\"Could not find code at 0\",\"message\":"
+    "{\"arguments\":[\"code\",\"0\"],"
+    "\"option_keys\":[],\"option_values\":[]}}", handler.msg());
+
+  // The following four tests check that a code object can be found
+  // inside the range: [code.EntryPoint(), code.EntryPoint() + code.Size()).
+  // Request code object at code.EntryPoint()
+  // Expect this to succeed as it is inside [entry, entry + size).
+  service_msg = EvalF(h_lib, "[port, ['code', '%" Px "'], [], []]", entry);
+  Service::HandleServiceMessage(isolate, service_msg);
+  handler.HandleNextMessage();
+  {
+    // Only perform a partial match.
+    const intptr_t kBufferSize = 512;
+    char buffer[kBufferSize];
+    OS::SNPrint(buffer, kBufferSize-1,
+                "{\"type\":\"Code\",\"id\":\"code\\/%" Px "\",", entry);
+    EXPECT_SUBSTRING(buffer, handler.msg());
+  }
+
+  // Request code object at code.EntryPoint() + 16.
+  // Expect this to succeed as it is inside [entry, entry + size).
+  uintptr_t address = entry + 16;
+  service_msg = EvalF(h_lib, "[port, ['code', '%" Px "'], [], []]", address);
+  Service::HandleServiceMessage(isolate, service_msg);
+  handler.HandleNextMessage();
+  {
+    // Only perform a partial match.
+    const intptr_t kBufferSize = 512;
+    char buffer[kBufferSize];
+    OS::SNPrint(buffer, kBufferSize-1,
+                "{\"type\":\"Code\",\"id\":\"code\\/%" Px "\",", entry);
+    EXPECT_SUBSTRING(buffer, handler.msg());
+  }
+
+  // Request code object at code.EntryPoint() + code.Size() - 1.
+  // Expect this to succeed as it is inside [entry, entry + size).
+  address = last - 1;
+  service_msg = EvalF(h_lib, "[port, ['code', '%" Px "'], [], []]", address);
+  Service::HandleServiceMessage(isolate, service_msg);
+  handler.HandleNextMessage();
+  {
+    // Only perform a partial match.
+    const intptr_t kBufferSize = 512;
+    char buffer[kBufferSize];
+    OS::SNPrint(buffer, kBufferSize-1,
+                "{\"type\":\"Code\",\"id\":\"code\\/%" Px "\",", entry);
+    EXPECT_SUBSTRING(buffer, handler.msg());
+  }
+
+  // Request code object at code.EntryPoint() + code.Size(). Expect this
+  // to fail as it's outside of [entry, entry + size).
+  address = last;
+  service_msg = EvalF(h_lib, "[port, ['code', '%" Px "'], [], []]", address);
+  Service::HandleServiceMessage(isolate, service_msg);
+  handler.HandleNextMessage();
+  {
+    const intptr_t kBufferSize = 1024;
+    char buffer[kBufferSize];
+    OS::SNPrint(buffer, kBufferSize-1,
+        "{\"type\":\"Error\",\"text\":\"Could not find code at %" Px "\","
+        "\"message\":{\"arguments\":[\"code\",\"%" Px "\"],"
+        "\"option_keys\":[],\"option_values\":[]}}", address, address);
+    EXPECT_STREQ(buffer, handler.msg());
+  }
+}
+
 }  // namespace dart