Test for immutable Lists in ListSet API methods.

runtime/vm/dart_api_impl.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/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
@@ skipping 1226 matching lines @@
 
 
 DART_EXPORT Dart_Handle Dart_ListSetAsBytes(Dart_Handle list,
                                             intptr_t offset,
                                             uint8_t* native_array,
                                             intptr_t length) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   const Object& obj = Object::Handle(Api::UnwrapHandle(list));
   if (obj.IsArray()) {
+    if (obj.IsImmutableArray()) {
+      return Api::Error("Cannot modify immutable array");
+    }
     Array& array_obj = Array::Handle();
     array_obj ^= obj.raw();
     Integer& integer = Integer::Handle();
     if ((offset + length) <= array_obj.Length()) {
       for (int i = 0; i < length; i++) {
         integer ^= Integer::New(native_array[i]);
         array_obj.SetAt(offset + i, integer);
       }
       return Api::Success();
     }
@@ skipping 25 matching lines @@
 }
 
 
 DART_EXPORT Dart_Handle Dart_ListSetAt(Dart_Handle list,
                                        intptr_t index,
                                        Dart_Handle value) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
   const Object& obj = Object::Handle(Api::UnwrapHandle(list));
   if (obj.IsArray()) {
+    if (obj.IsImmutableArray()) {
+      return Api::Error("Cannot modify immutable array");
+    }
     Array& array_obj = Array::Handle();
     array_obj ^= obj.raw();
     const Object& value_obj = Object::Handle(Api::UnwrapHandle(value));
     if ((index >= 0) && (index < array_obj.Length())) {
       array_obj.SetAt(index, value_obj);
       return Api::Success();
     }
     return Api::Error("Invalid index passed in to set array element");
   }
   // TODO(5526318): Make access to GrowableObjectArray more efficient.
@@ skipping 831 matching lines @@
   ASSERT(isolate != NULL);
   ApiState* state = isolate->api_state();
   ASSERT(state != NULL);
   ApiLocalScope* scope = state->top_scope();
   ASSERT(scope != NULL);
   return scope->zone().Reallocate(ptr, old_size, new_size);
 }
 
 
 }  // namespace dart