Bug 251240 – REGRESSION(259112@main): [ iOS BigSur+ ] TestWebKitAPI.IPCTestingAPI.SerializedTypeInfo is a constant failure.

• Status: RESOLVED
• Resolution: FIXED
• Component: WebKit Process Model

[Bri Harris]

TestWebKitAPI.IPCTestingAPI.SerializedTypeInfo

is a constant failure on iOS and BigSur and higher.

HISTORY:
https://results.webkit.org/?suite=api-tests&test=TestWebKitAPI.IPCTestingAPI.SerializedTypeInfo

FAILURE TEXT:

TestWebKitAPI.IPCTestingAPI.SerializedTypeInfo
        ERROR: Error while launching com.apple.WebKit.Networking: Connection invalid
        /Volumes/Data/worker/Apple-Ventura-Debug-Build/build/Source/WebKit/UIProcess/Launcher/cocoa/ProcessLauncherCocoa.mm(213) : auto WebKit::ProcessLauncher::launchProcess()::(anonymous class)::operator()(xpc_object_t) const
        2023-01-26 15:37:14.864 TestWebKitAPI[46117:914644] -[__NSDictionaryM hasPrefix:]: unrecognized selector sent to instance 0x60000019fb40
        LEAK: 1 WebProcessPool
        LEAK: 1 WebPageProxy
        
        /Volumes/Data/worker/Apple-Ventura-Debug-Build/build/Tools/TestWebKitAPI/Tests/WebKitCocoa/IPCTestingAPI.mm:554
        Value of: [typeInfo[@"WebCore::CacheQueryOptions"] isEqualToArray:expectedArray]
          Actual: false
        Expected: true
        
        
        File name unavailable
        Unknown C++ exception thrown in the test body.

[Radar WebKit Bug Importer]

<rdar://problem/104722759>

[Bri Harris]

I was able to reproduce this failure on Ventura Debug ToT running the test as follows:

run-api-tests TestWebKitAPI.IPCTestingAPI.SerializedTypeInfo

I was also able to bisect and discovered the regression point. It fails at 259112@main but passes at 259111@main.

[Alex Christensen]

https://github.com/WebKit/WebKit/pull/9255

[Alex Christensen]

*** Bug 251292 has been marked as a duplicate of this bug. ***

[Alexey Proskuryakov]

The PR is marked as merged, is this fully fixed?

[Karl Rackler]

I confirmed the test is consistently passing after landing https://commits.webkit.org/259517@main.

[Alexey Proskuryakov]

So let's mark this RESOLVED/FIXED.