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1 // Copyright 2015 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 "src/v8.h"
6 
7 #include "src/isolate.h"
8 #include "src/profiler/cpu-profiler.h"
9 #include "src/vm-state.h"
10 #include "test/cctest/cctest.h"
11 
12 template <typename T>
CheckReturnValue(const T & t,i::Address callback)13 static void CheckReturnValue(const T& t, i::Address callback) {
14   v8::ReturnValue<v8::Value> rv = t.GetReturnValue();
15   i::Object** o = *reinterpret_cast<i::Object***>(&rv);
16   CHECK_EQ(CcTest::isolate(), t.GetIsolate());
17   CHECK_EQ(t.GetIsolate(), rv.GetIsolate());
18   CHECK((*o)->IsTheHole() || (*o)->IsUndefined());
19   // Verify reset
20   bool is_runtime = (*o)->IsTheHole();
21   rv.Set(true);
22   CHECK(!(*o)->IsTheHole() && !(*o)->IsUndefined());
23   rv.Set(v8::Local<v8::Object>());
24   CHECK((*o)->IsTheHole() || (*o)->IsUndefined());
25   CHECK_EQ(is_runtime, (*o)->IsTheHole());
26   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(t.GetIsolate());
27   // If CPU profiler is active check that when API callback is invoked
28   // VMState is set to EXTERNAL.
29   if (isolate->cpu_profiler()->is_profiling()) {
30     CHECK_EQ(v8::EXTERNAL, isolate->current_vm_state());
31     CHECK(isolate->external_callback_scope());
32     CHECK_EQ(callback, isolate->external_callback_scope()->callback());
33   }
34 }
35