Allow embedders to provide custom message delivery for an isolate.

runtime/vm/dart_api_impl_test.cc

 // Copyright (c) 2011, 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_api.h"
 
 #include "vm/assert.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/unit_test.h"
@@ skipping 430 matching lines @@
   EXPECT_EQ(iso_2, Isolate::Current());
   Dart_ShutdownIsolate();
   EXPECT(NULL == Isolate::Current());
   Dart_EnterIsolate(iso_1);
   EXPECT_EQ(iso_1, Isolate::Current());
   Dart_ShutdownIsolate();
   EXPECT(NULL == Isolate::Current());
 }
 
 
+static bool MyPostMessageCallback(Dart_Isolate dest_isolate,
+                                  Dart_Port send_port,
+                                  Dart_Port reply_port,
+                                  Dart_Message message) {
+  return true;
+}
+
+
+static void MyClosePortCallback(Dart_Isolate dest_isolate,
+                                Dart_Port port) {
+}
+
+
+UNIT_TEST_CASE(SetMessageCallbacks) {
+  Dart_Isolate dart_isolate = Dart_CreateIsolate(NULL, NULL);
+  Dart_SetMessageCallbacks(&MyPostMessageCallback, &MyClosePortCallback);
+  Isolate* isolate = reinterpret_cast<Isolate*>(dart_isolate);
+  EXPECT_EQ(&MyPostMessageCallback, isolate->post_message_callback());
+  EXPECT_EQ(&MyClosePortCallback, isolate->close_port_callback());
+  Dart_ShutdownIsolate();
+}
+
+
 #if defined(TARGET_ARCH_IA32)  // only ia32 can run execution tests.
 
 UNIT_TEST_CASE(FieldAccess) {
   const char* kScriptChars =
       "class Fields  {\n"
       "  Fields(int i, int j) : fld1 = i, fld2 = j {}\n"
       "  int fld1;\n"
       "  final int fld2;\n"
       "  static int fld3;\n"
       "  static final int fld4 = 10;\n"
@@ skipping 932 matching lines @@
     retobj = Dart_GetResult(result);
     EXPECT(Dart_ExceptionOccurred(retobj)); */
   }
   Dart_ExitScope();  // Exit the Dart API scope.
   Dart_ShutdownIsolate();
 }
 
 #endif  // TARGET_ARCH_IA32.
 
 }  // namespace dart