Tools/TestWebKitAPI/Tests/mac/EarlyKVOCrash.mm

/*
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#import "config.h"

#import <WebKit/WebView.h>
#import <pal/spi/cocoa/NSKeyedArchiverSPI.h>
#import <wtf/RetainPtr.h>

@interface EarlyKVOCrashResponder : NSResponder {
    RetainPtr<WebView> _webView;
}

- (instancetype)initWithWebView:(WebView *)webView;

@end

@implementation EarlyKVOCrashResponder

- (instancetype)initWithWebView:(WebView *)webView
{
    if (!(self = [super init]))
        return nil;

    _webView = webView;
    [_webView addObserver:self forKeyPath:@"hidden" options:0 context:nullptr];

    return self;
}

- (instancetype)initWithCoder:(NSCoder *)coder
{
    if (!(self = [super initWithCoder:coder]))
        return nil;

    _webView = [coder decodeObjectForKey:@"webView"];
    [_webView addObserver:self forKeyPath:@"hidden" options:0 context:nullptr];

    return self;
}

- (void)dealloc
{
    [_webView removeObserver:self forKeyPath:@"hidden" context:nullptr];

    [super dealloc];
}

- (void)encodeWithCoder:(NSCoder *)coder
{
    [super encodeWithCoder:coder];

    [coder encodeObject:_webView.get() forKey:@"webView"];
}

@end

namespace TestWebKitAPI {

TEST(WebKitLegacy, EarlyKVOCrash)
{
    auto webView = adoptNS([[WebView alloc] initWithFrame:NSZeroRect frameName:nil groupName:nil]);
    auto earlyKVOCrashResponder = adoptNS([[EarlyKVOCrashResponder alloc] initWithWebView:webView.get()]);

    [webView setNextResponder:earlyKVOCrashResponder.get()];

    auto data = securelyArchivedDataWithRootObject(@[webView.get(), earlyKVOCrashResponder.get()]);

    if ([webView conformsToProtocol:@protocol(NSSecureCoding)])
        unarchivedObjectOfClassesFromData([NSSet setWithObjects:[NSArray class], [WebView class], [EarlyKVOCrashResponder class], nil], data);
    else
        insecurelyUnarchiveObjectFromData(data);
}

} // namespace TestWebKitAPI