ArrayBuffer::BaseAddress() method.

test/cctest/test-api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2585 matching lines @@
   i::FLAG_harmony_array_buffer = true;
   i::FLAG_harmony_typed_arrays = true;
 
   LocalContext env;
   v8::Isolate* isolate = env->GetIsolate();
   v8::HandleScope handle_scope(isolate);
 
   Local<v8::ArrayBuffer> ab = v8::ArrayBuffer::New(1024);
   CheckInternalFieldsAreZero(ab);
   CHECK_EQ(1024, static_cast<int>(ab->ByteLength()));
+  CHECK_NE(0, ab->BaseAddress());
   CHECK(!ab->IsExternal());
   HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
 
   ScopedArrayBufferContents ab_contents(ab->Externalize());
   CHECK(ab->IsExternal());
 
   CHECK_EQ(1024, static_cast<int>(ab_contents.ByteLength()));
   uint8_t* data = static_cast<uint8_t*>(ab_contents.Data());
   ASSERT(data != NULL);
+  CHECK_EQ(data, ab->BaseAddress());
   env->Global()->Set(v8_str("ab"), ab);
 
   v8::Handle<v8::Value> result = CompileRun("ab.byteLength");
   CHECK_EQ(1024, result->Int32Value());
 
   result = CompileRun("var u8 = new Uint8Array(ab);"
                       "u8[0] = 0xFF;"
                       "u8[1] = 0xAA;"
                       "u8.length");
   CHECK_EQ(1024, result->Int32Value());
@@ skipping 17272 matching lines @@
   CheckCorrectThrow("%HasProperty(other, 'x')");
   CheckCorrectThrow("%HasElement(other, 1)");
   CheckCorrectThrow("%IsPropertyEnumerable(other, 'x')");
   CheckCorrectThrow("%GetPropertyNames(other)");
   CheckCorrectThrow("%GetLocalPropertyNames(other, true)");
   CheckCorrectThrow("%DefineOrRedefineAccessorProperty("
                         "other, 'x', null, null, 1)");
 }
 
 #endif  // WIN32