Tools/TestWebKitAPI/Tests/WebKitCocoa/SiteIsolation.mm

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#import "config.h"
#import "HTTPServer.h"
#import "TestNavigationDelegate.h"
#import "Utilities.h"
#import <WebKit/WKFrameInfoPrivate.h>
#import <WebKit/WKPreferencesPrivate.h>
#import <WebKit/WKWebViewPrivateForTesting.h>
#import <WebKit/_WKExperimentalFeature.h>
#import <WebKit/_WKFrameTreeNode.h>

namespace TestWebKitAPI {

TEST(SiteIsolation, ProcessIdentifiers)
{
    HTTPServer server({
        { "/example"_s, { "<iframe src='https://webkit.org/webkit'></iframe>"_s } },
        { "/webkit"_s, { "hi"_s } }
    }, HTTPServer::Protocol::HttpsProxy);
    auto delegate = adoptNS([TestNavigationDelegate new]);
    [delegate allowAnyTLSCertificate];

    auto configuration = server.httpsProxyConfiguration();
    auto preferences = [configuration preferences];
    for (_WKExperimentalFeature *feature in [WKPreferences _experimentalFeatures]) {
        if ([feature.key isEqualToString:@"SiteIsolationEnabled"])
            [preferences _setEnabled:YES forExperimentalFeature:feature];
    }

    auto webView = adoptNS([[WKWebView alloc] initWithFrame:CGRectZero configuration:configuration]);
    webView.get().navigationDelegate = delegate.get();
    [webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"https://example.com/example"]]];
    [delegate waitForDidFinishNavigation];

    __block bool done { false };
    [webView _frames:^(_WKFrameTreeNode *mainFrame) {
        pid_t mainFramePid = mainFrame._processIdentifier;
        pid_t childFramePid = mainFrame.childFrames.firstObject._processIdentifier;
        EXPECT_NE(mainFramePid, 0);
        EXPECT_EQ(childFramePid, 0); // FIXME: The child frame should actually start its process.
        EXPECT_NE(mainFramePid, childFramePid);
        done = true;
    }];
    Util::run(&done);
}

}