Class view: Retained size of all instances.

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 "platform/globals.h"
 
 #include "include/dart_debugger_api.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
@@ skipping 619 matching lines @@
       "\n"
       "class A {\n"
       "  var a;\n"
       "  static var cobra = 11235;\n"
       "  dynamic b() {}\n"
       "  dynamic c() {\n"
       "    var d = () { b(); };\n"
       "    return d;\n"
       "  }\n"
       "}\n"
+      "class B { static int i = 42; }\n"
       "main() {\n"
       "  var z = new A();\n"
       "  var x = z.c();\n"
       "  x();\n"
+      "  ++B.i;\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);
@@ skipping 109 matching lines @@
   // Invalid function request.
   service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'functions', '9',"
                              "'x'], [], []]", cid);
   Service::HandleIsolateMessage(isolate, service_msg);
   handler.HandleNextMessage();
   ExpectSubstringF(handler.msg(),
     "{\"type\":\"Error\",\"id\":\"\",\"message\":\"Command too long\","
     "\"request\":"
     "{\"arguments\":[\"classes\",\"%" Pd "\",\"functions\",\"9\",\"x\"],"
     "\"option_keys\":[],\"option_values\":[]}}", cid);
+
+  // Retained size of all instances of class B.
+  const Class& class_b = Class::Handle(GetClass(lib, "B"));
+  EXPECT(!class_b.IsNull());
+  const Instance& b0 = Instance::Handle(Instance::New(class_b));
+  const Instance& b1 = Instance::Handle(Instance::New(class_b));
+  service_msg = EvalF(h_lib, "[port, ['classes', '%" Pd "', 'retained'],"
+                      "[], []]", class_b.id());
+  Service::HandleIsolateMessage(isolate, service_msg);
+  handler.HandleNextMessage();
+  ExpectSubstringF(handler.msg(),
+                   "\"id\":\"objects\\/int-%" Pd "\"",
+                   b0.raw()->Size() + b1.raw()->Size());
 }
 
 
 TEST_CASE(Service_Types) {
   const char* kScript =
       "var port;\n"  // Set to our mock port by C++.
       "\n"
       "class A<T> { }\n"
       "\n"
       "main() {\n"
@@ skipping 607 matching lines @@
   service_msg = Eval(h_lib, "[port, ['profile'], ['tags'], ['hidden']]");
   Service::HandleIsolateMessage(isolate, service_msg);
   handler.HandleNextMessage();
   // Expect error.
   EXPECT_SUBSTRING("\"type\":\"Error\"", handler.msg());
 }
 
 #endif  // !defined(TARGET_ARCH_ARM64)
 
 }  // namespace dart