| /* |
| * Copyright (C) 2018 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
| */ |
| |
| #import "config.h" |
| |
| #if WK_HAVE_C_SPI |
| |
| #import "PlatformUtilities.h" |
| #import "TestWKWebView.h" |
| #import <WebKit/WKPagePrivateMac.h> |
| #import <WebKit/WKWebViewPrivate.h> |
| #import <wtf/HashSet.h> |
| #import <wtf/RetainPtr.h> |
| |
| static bool didBecomeUnresponsive; |
| static RetainPtr<TestWKWebView> webView; |
| static HashSet<RetainPtr<id>> observableStates; |
| static bool webViewSeen; |
| |
| @interface ResponsivenessTimerObserver : NSObject |
| @end |
| |
| @implementation ResponsivenessTimerObserver |
| |
| -(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context |
| { |
| if (object == webView.get()) |
| webViewSeen = true; |
| else { |
| [object removeObserver:self forKeyPath:@"_webProcessIsResponsive"]; |
| observableStates.remove(object); |
| } |
| |
| if (!observableStates.isEmpty()) { |
| [observableStates.begin()->get() removeObserver:self forKeyPath:@"_webProcessIsResponsive"]; |
| observableStates.remove(observableStates.begin()); |
| } |
| |
| if (webViewSeen && observableStates.isEmpty()) |
| didBecomeUnresponsive = true; |
| } |
| |
| @end |
| |
| namespace TestWebKitAPI { |
| |
| TEST(WebKit, ResponsivenessTimerCrash) |
| { |
| RetainPtr<ResponsivenessTimerObserver> observer = adoptNS([[ResponsivenessTimerObserver alloc] init]); |
| @autoreleasepool { |
| webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600)]); |
| |
| [webView addObserver:observer.get() forKeyPath:@"_webProcessIsResponsive" options:0 context:nullptr]; |
| |
| auto pageRef = [webView _pageRefForTransitionToWKWebView]; |
| |
| for (size_t i = 0; i < 50; ++i) { |
| RetainPtr<id> observableState = adoptNS(WKPageCreateObservableState(pageRef)); |
| [observableState.get() addObserver:observer.get() forKeyPath:@"_webProcessIsResponsive" options:0 context:nullptr]; |
| observableStates.add(WTFMove(observableState)); |
| } |
| |
| [webView synchronouslyLoadHTMLString:@"<script>document.addEventListener('keydown', function(){while(1){}});</script>"]; |
| [webView typeCharacter:'a']; |
| } |
| |
| Util::run(&didBecomeUnresponsive); |
| |
| [webView removeObserver:observer.get() forKeyPath:@"_webProcessIsResponsive"]; |
| } |
| |
| } // namespace TestWebKitAPI |
| |
| #endif // WK_HAVE_C_SPI |