Fix for issue 12136 (do not try to copy type arguments if the base class

runtime/vm/debugger_api_impl_test.cc

 // Copyright (c) 2012, 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 "platform/assert.h"
 #include "vm/dart_api_impl.h"
 #include "vm/thread.h"
 #include "vm/unit_test.h"
 
@@ skipping 1444 matching lines @@
       "class Test1 extends Test {\n"
       "}\n"
       "class Test2<T> {\n"
       "}\n"
       "class Test3 extends Test2<int> {\n"
       "}\n"
       "class Test4<A, B> extends Test2<A> {\n"
       "}\n"
       "class Test5<A, B, C> extends Test4<A, B> {\n"
       "}\n"
+      "var s = new Set();\n"
       "int main() {\n"
       "}\n";
 
   Isolate* isolate = Isolate::Current();
   LoadScript(kScriptChars);
   ASSERT(script_lib != NULL);
   ASSERT(Dart_IsLibrary(script_lib));
   Dart_Handle core_lib = Dart_LookupLibrary(NewString("dart:core"));
 
   Dart_Handle Test_name = Dart_NewStringFromCString("Test");
   Dart_Handle Test1_name = Dart_NewStringFromCString("Test1");
   Dart_Handle Test2_name = Dart_NewStringFromCString("Test2");
   Dart_Handle Test3_name = Dart_NewStringFromCString("Test3");
   Dart_Handle Test4_name = Dart_NewStringFromCString("Test4");
   Dart_Handle Test5_name = Dart_NewStringFromCString("Test5");
   Dart_Handle object_name = Dart_NewStringFromCString("Object");
   Dart_Handle int_name = Dart_NewStringFromCString("int");
+  Dart_Handle set_name = Dart_NewStringFromCString("Set");
+  Dart_Handle iterable_name = Dart_NewStringFromCString("IterableBase");
 
   Dart_Handle object_type = Dart_GetType(core_lib, object_name, 0, NULL);
   Dart_Handle int_type = Dart_GetType(core_lib, int_name, 0, NULL);
   EXPECT_VALID(int_type);
   Dart_Handle Test_type = Dart_GetType(script_lib, Test_name, 0, NULL);
   Dart_Handle Test1_type = Dart_GetType(script_lib, Test1_name, 0, NULL);
   Dart_Handle type_args = Dart_NewList(1);
   Dart_ListSetAt(type_args, 0, int_type);
   Dart_Handle Test2_int_type = Dart_GetType(script_lib,
                                             Test2_name,
                                             1,
                                             &type_args);
   Dart_Handle Test3_type = Dart_GetType(script_lib, Test3_name, 0, NULL);
   type_args = Dart_NewList(2);
   Dart_ListSetAt(type_args, 0, int_type);
-  Dart_ListSetAt(type_args, 1, int_type);
+  Dart_ListSetAt(type_args, 1, Test_type);
   Dart_Handle Test4_int_type = Dart_GetType(script_lib,
                                             Test4_name,
                                             2,
                                             &type_args);
   type_args = Dart_NewList(3);
   Dart_ListSetAt(type_args, 0, int_type);
-  Dart_ListSetAt(type_args, 1, int_type);
+  Dart_ListSetAt(type_args, 1, Test_type);
   Dart_ListSetAt(type_args, 2, int_type);
   Dart_Handle Test5_int_type = Dart_GetType(script_lib,
                                             Test5_name,
                                             3,
                                             &type_args);
   {
     Dart_Handle super_type = Dart_GetSupertype(object_type);
     EXPECT(super_type == Dart_Null());
   }
   {
@@ skipping 13 matching lines @@
     const Type& expected_type = Api::UnwrapTypeHandle(isolate, Test2_int_type);
     const Type& actual_type = Api::UnwrapTypeHandle(isolate, super_type);
     EXPECT(expected_type.raw() == actual_type.raw());
   }
   {
     Dart_Handle super_type = Dart_GetSupertype(Test5_int_type);
     const Type& expected_type = Api::UnwrapTypeHandle(isolate, Test4_int_type);
     const Type& actual_type = Api::UnwrapTypeHandle(isolate, super_type);
     EXPECT(expected_type.raw() == actual_type.raw());
   }
+  {
+    Dart_Handle set_type = Dart_GetType(core_lib, set_name, 0, NULL);
+    Dart_Handle super_type = Dart_GetSupertype(set_type);
+    Dart_Handle iterable_type = Dart_GetType(core_lib, iterable_name, 0, NULL);
+    const Type& expected_type = Api::UnwrapTypeHandle(isolate, iterable_type);
+    const Type& actual_type = Api::UnwrapTypeHandle(isolate, super_type);
+    EXPECT(expected_type.raw() == actual_type.raw());
+  }
 }
 
 }  // namespace dart