1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include <stdlib.h>
6 
7 #include "include/v8-experimental.h"
8 #include "src/v8.h"
9 #include "test/cctest/cctest.h"
10 
11 namespace {
12 
13 
SlowCallback(const v8::FunctionCallbackInfo<v8::Value> & info)14 static void SlowCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
15   info.GetReturnValue().Set(41);
16 }
17 
18 
TEST(CompatibleReceiverBuiltin)19 TEST(CompatibleReceiverBuiltin) {
20   // Check that the HandleFastApiCall builtin visits the hidden prototypes
21   // during the compatible receiver check.
22   LocalContext context;
23   v8::Isolate* isolate = context->GetIsolate();
24   v8::HandleScope handle_scope(isolate);
25   v8::Local<v8::Context> current_context = isolate->GetCurrentContext();
26 
27   v8::Local<v8::FunctionTemplate> constructor_template =
28       v8::FunctionTemplate::New(isolate);
29   v8::Local<v8::FunctionTemplate> prototype_template =
30       v8::FunctionTemplate::New(isolate);
31   prototype_template->SetHiddenPrototype(true);
32 
33   v8::Local<v8::ObjectTemplate> proto_instance_template =
34       prototype_template->InstanceTemplate();
35 
36   v8::experimental::FastAccessorBuilder* fast_accessor_builder =
37       v8::experimental::FastAccessorBuilder::New(isolate);
38   fast_accessor_builder->ReturnValue(
39       fast_accessor_builder->IntegerConstant(42));
40   v8::Local<v8::FunctionTemplate> accessor_template =
41       v8::FunctionTemplate::NewWithFastHandler(
42           isolate, SlowCallback, fast_accessor_builder, v8::Local<v8::Value>(),
43           v8::Signature::New(isolate, prototype_template));
44 
45   proto_instance_template->SetAccessorProperty(
46       v8_str("bar"), accessor_template, v8::Local<v8::FunctionTemplate>(),
47       v8::ReadOnly);
48 
49   v8::Local<v8::Object> object =
50       constructor_template->GetFunction(current_context)
51           .ToLocalChecked()
52           ->NewInstance(current_context)
53           .ToLocalChecked();
54 
55   v8::Local<v8::Object> hidden_prototype =
56       prototype_template->GetFunction(current_context)
57           .ToLocalChecked()
58           ->NewInstance(current_context)
59           .ToLocalChecked();
60 
61   CHECK(object->SetPrototype(current_context, hidden_prototype).FromJust());
62 
63   context->Global()
64       ->Set(current_context, v8_str("object"), object)
65       .FromMaybe(false);
66 
67   CHECK_EQ(42, CompileRun("var getter = object.__lookupGetter__('bar');"
68                           "getter.call(object)")
69                    ->Int32Value(current_context)
70                    .FromJust());
71 }
72 
73 }  // namespace
74