v8/test/cctest/test-global-handles.cc
Mostyn Bramley-Moore cddbe282c6 Start preparing test/cctest for jumbo compilation
* Avoid "using namespace" statements, which trigger clang's -Wheader-hygiene
  warnings in jumbo builds.
* Undefine created macros at the end of source files.

BUG=chromium:746958

Change-Id: I5d25432c314437f607b0e1be22765a6764267ba6
Reviewed-on: https://chromium-review.googlesource.com/610962
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Mostyn Bramley-Moore <mostynb@opera.com>
Cr-Commit-Position: refs/heads/master@{#47347}
2017-08-14 20:58:10 +00:00

190 lines
6.3 KiB
C++

// Copyright 2013 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
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/api.h"
#include "src/factory.h"
#include "src/global-handles.h"
#include "src/isolate.h"
#include "src/objects-inl.h"
#include "src/objects.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace internal {
TEST(EternalHandles) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
v8::Isolate* v8_isolate = reinterpret_cast<v8::Isolate*>(isolate);
EternalHandles* eternal_handles = isolate->eternal_handles();
// Create a number of handles that will not be on a block boundary
const int kArrayLength = 2048-1;
int indices[kArrayLength];
v8::Eternal<v8::Value> eternals[kArrayLength];
CHECK_EQ(0, eternal_handles->NumberOfHandles());
for (int i = 0; i < kArrayLength; i++) {
indices[i] = -1;
HandleScope scope(isolate);
v8::Local<v8::Object> object = v8::Object::New(v8_isolate);
object->Set(v8_isolate->GetCurrentContext(), i,
v8::Integer::New(v8_isolate, i))
.FromJust();
// Create with internal api
eternal_handles->Create(
isolate, *v8::Utils::OpenHandle(*object), &indices[i]);
// Create with external api
CHECK(eternals[i].IsEmpty());
eternals[i].Set(v8_isolate, object);
CHECK(!eternals[i].IsEmpty());
}
CcTest::CollectAllAvailableGarbage();
for (int i = 0; i < kArrayLength; i++) {
for (int j = 0; j < 2; j++) {
HandleScope scope(isolate);
v8::Local<v8::Value> local;
if (j == 0) {
// Test internal api
local = v8::Utils::ToLocal(eternal_handles->Get(indices[i]));
} else {
// Test external api
local = eternals[i].Get(v8_isolate);
}
v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(local);
v8::Local<v8::Value> value =
object->Get(v8_isolate->GetCurrentContext(), i).ToLocalChecked();
CHECK(value->IsInt32());
CHECK_EQ(i,
value->Int32Value(v8_isolate->GetCurrentContext()).FromJust());
}
}
CHECK_EQ(2*kArrayLength, eternal_handles->NumberOfHandles());
// Create an eternal via the constructor
{
HandleScope scope(isolate);
v8::Local<v8::Object> object = v8::Object::New(v8_isolate);
v8::Eternal<v8::Object> eternal(v8_isolate, object);
CHECK(!eternal.IsEmpty());
CHECK(object == eternal.Get(v8_isolate));
}
CHECK_EQ(2*kArrayLength + 1, eternal_handles->NumberOfHandles());
}
TEST(PersistentBaseGetLocal) {
CcTest::InitializeVM();
v8::Isolate* isolate = CcTest::isolate();
v8::HandleScope scope(isolate);
v8::Local<v8::Object> o = v8::Object::New(isolate);
CHECK(!o.IsEmpty());
v8::Persistent<v8::Object> p(isolate, o);
CHECK(o == p.Get(isolate));
CHECK(v8::Local<v8::Object>::New(isolate, p) == p.Get(isolate));
v8::Global<v8::Object> g(isolate, o);
CHECK(o == g.Get(isolate));
CHECK(v8::Local<v8::Object>::New(isolate, g) == g.Get(isolate));
}
void WeakCallback(const v8::WeakCallbackInfo<void>& data) {}
TEST(WeakPersistentSmi) {
CcTest::InitializeVM();
v8::Isolate* isolate = CcTest::isolate();
v8::HandleScope scope(isolate);
v8::Local<v8::Number> n = v8::Number::New(isolate, 0);
v8::Global<v8::Number> g(isolate, n);
// Should not crash.
g.SetWeak<void>(nullptr, &WeakCallback, v8::WeakCallbackType::kParameter);
}
void finalizer(const v8::WeakCallbackInfo<v8::Global<v8::Object>>& data) {
data.GetParameter()->ClearWeak();
v8::Local<v8::Object> o =
v8::Local<v8::Object>::New(data.GetIsolate(), *data.GetParameter());
o->Set(data.GetIsolate()->GetCurrentContext(), v8_str("finalizer"),
v8_str("was here"))
.FromJust();
}
TEST(FinalizerWeakness) {
CcTest::InitializeVM();
v8::Isolate* isolate = CcTest::isolate();
v8::Global<v8::Object> g;
int identity;
{
v8::HandleScope scope(isolate);
v8::Local<v8::Object> o = v8::Object::New(isolate);
identity = o->GetIdentityHash();
g.Reset(isolate, o);
g.SetWeak(&g, finalizer, v8::WeakCallbackType::kFinalizer);
}
CcTest::CollectAllAvailableGarbage();
CHECK(!g.IsEmpty());
v8::HandleScope scope(isolate);
v8::Local<v8::Object> o = v8::Local<v8::Object>::New(isolate, g);
CHECK_EQ(identity, o->GetIdentityHash());
CHECK(o->Has(isolate->GetCurrentContext(), v8_str("finalizer")).FromJust());
}
TEST(PhatomHandlesWithoutCallbacks) {
CcTest::InitializeVM();
v8::Isolate* isolate = CcTest::isolate();
v8::Global<v8::Object> g1, g2;
{
v8::HandleScope scope(isolate);
g1.Reset(isolate, v8::Object::New(isolate));
g1.SetWeak();
g2.Reset(isolate, v8::Object::New(isolate));
g2.SetWeak();
}
CHECK_EQ(0u, isolate->NumberOfPhantomHandleResetsSinceLastCall());
CcTest::CollectAllAvailableGarbage();
CHECK_EQ(2u, isolate->NumberOfPhantomHandleResetsSinceLastCall());
CHECK_EQ(0u, isolate->NumberOfPhantomHandleResetsSinceLastCall());
}
} // namespace internal
} // namespace v8