15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2012 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions are 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions of source code must retain the above copyright 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Redistributions in binary form must reproduce the above 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * copyright notice, this list of conditions and the following disclaimer 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * in the documentation and/or other materials provided with the 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * distribution. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * * Neither the name of Google Inc. nor the names of its 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * contributors may be used to endorse or promote products derived from 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * this software without specific prior written permission. 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 339e12abdf8c3a23d52091ea54ebb6a04d327f9300Torne (Richard Coles)#include "core/testing/URLTestHelpers.h" 345267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#include "public/platform/Platform.h" 355267f701546148b83dfbe1d151cb184385bb5c22Torne (Richard Coles)#include "public/platform/WebUnitTestSupport.h" 36f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu#include "public/web/WebView.h" 37f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu#include "web/tests/FrameTestHelpers.h" 38f91f5fa1608c2cdd9af1842fb5dadbe78275be2aBo Liu#include <gtest/gtest.h> 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include <v8/include/v8-profiler.h> 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include <v8/include/v8.h> 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4251b2906e11752df6c18351cf520e30522d3b53a1Torne (Richard Coles)using namespace blink; 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace { 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)const v8::HeapGraphNode* GetProperty(const v8::HeapGraphNode* node, v8::HeapGraphEdge::Type type, const char* name) 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (int i = 0, count = node->GetChildrenCount(); i < count; ++i) { 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const v8::HeapGraphEdge* prop = node->GetChild(i); 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (prop->GetType() == type) { 51a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) v8::String::Utf8Value propName(prop->GetName()); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!strcmp(name, *propName)) 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return prop->GetToNode(); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return 0; 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)int GetNumObjects(const char* constructor) 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 6153e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) v8::Isolate* isolate = v8::Isolate::GetCurrent(); 6253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) v8::HandleScope scope(isolate); 6353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) v8::HeapProfiler* profiler = isolate->GetHeapProfiler(); 64a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) const v8::HeapSnapshot* snapshot = profiler->TakeHeapSnapshot(v8::String::NewFromUtf8(isolate, "")); 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!snapshot) 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return -1; 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int count = 0; 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (int i = 0; i < snapshot->GetNodesCount(); ++i) { 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const v8::HeapGraphNode* node = snapshot->GetNode(i); 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (node->GetType() != v8::HeapGraphNode::kObject) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) continue; 72a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) v8::String::Utf8Value nodeName(node->GetName()); 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!strcmp(constructor, *nodeName)) { 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) const v8::HeapGraphNode* constructorProp = GetProperty(node, v8::HeapGraphEdge::kProperty, "constructor"); 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Skip an Object instance named after the constructor. 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (constructorProp) { 77a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles) v8::String::Utf8Value constructorName(constructorProp->GetName()); 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) if (!strcmp(constructor, *constructorName)) 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) continue; 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ++count; 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return count; 855c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 885c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class ListenerLeakTest : public testing::Test { 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 905c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void RunTest(const std::string& filename) 915c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 925c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) std::string baseURL("http://www.example.com/"); 935c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) std::string fileName(filename); 945c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) bool executeScript = true; 955c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(baseURL.c_str()), WebString::fromUTF8(fileName.c_str())); 961e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) webViewHelper.initializeAndLoad(baseURL + fileName, executeScript); 975c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 985c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 995c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void TearDown() OVERRIDE 1005c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 101926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) Platform::current()->unitTestSupport()->unregisterAllMockedURLs(); 1025c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 1035c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1045c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)protected: 1051e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) FrameTestHelpers::WebViewHelper webViewHelper; 1065c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 1075c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1085c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1095c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// This test tries to create a reference cycle between node and its listener. 1105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// See http://crbug/17400. 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)TEST_F(ListenerLeakTest, ReferenceCycle) 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RunTest("listener/listener_leak1.html"); 1145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT_EQ(0, GetNumObjects("EventListenerLeakTestObject1")); 1155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// This test sets node onclick many times to expose a possible memory 1185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)// leak where all listeners get referenced by the node. 1195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)TEST_F(ListenerLeakTest, HiddenReferences) 1205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 1215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RunTest("listener/listener_leak2.html"); 1225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT_EQ(1, GetNumObjects("EventListenerLeakTestObject2")); 1235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 1245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} // namespace 126