Tools/TestWebKitAPI/Tests/WebKitCocoa/JavaScriptDuringNavigation.mm

/*
 * Copyright (C) 2017 Apple Inc. All rights reserved.
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#include "config.h"

#import "PlatformUtilities.h"
#import "Test.h"
#import <WebKit/WKWebView.h>
#import <wtf/RetainPtr.h>

static bool navigationComplete;
static size_t alerts;
static bool receivedBothAlerts;
static RetainPtr<NSURL> firstURL;
static RetainPtr<NSURL> secondURL;

@interface JSNavigationDelegate : NSObject <WKNavigationDelegate, WKUIDelegate>
@end

@implementation JSNavigationDelegate

- (void)webView:(WKWebView *)webView didFinishNavigation:(null_unspecified WKNavigation *)navigation
{
    navigationComplete = true;
}

- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
{
    if ([navigationAction.request.URL.absoluteString isEqualToString:[secondURL absoluteString]]) {
        [webView evaluateJavaScript:@"alert(document.location);" completionHandler:^(id, NSError *) {
            decisionHandler(WKNavigationActionPolicyAllow);
        }];
    } else
        decisionHandler(WKNavigationActionPolicyAllow);
}

- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler
{
    if ([navigationResponse.response.URL.absoluteString isEqualToString:[secondURL absoluteString]]) {
        [webView evaluateJavaScript:@"alert(document.location);" completionHandler:^(id, NSError *) {
            decisionHandler(WKNavigationResponsePolicyAllow);
        }];
    } else
        decisionHandler(WKNavigationResponsePolicyAllow);
}

- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler
{
    EXPECT_STREQ(message.UTF8String, [[firstURL absoluteString] UTF8String]);
    if (++alerts == 2)
        receivedBothAlerts = true;
    completionHandler();
}

@end

TEST(WebKit, JavaScriptDuringNavigation)
{
    firstURL = [[NSBundle mainBundle] URLForResource:@"simple" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"];
    secondURL = [[NSBundle mainBundle] URLForResource:@"simple2" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"];
    
    auto webView = adoptNS([[WKWebView alloc] init]);
    auto delegate = adoptNS([[JSNavigationDelegate alloc] init]);
    [webView setNavigationDelegate:delegate.get()];
    [webView setUIDelegate:delegate.get()];

    [webView loadRequest:[NSURLRequest requestWithURL:firstURL.get()]];
    TestWebKitAPI::Util::run(&navigationComplete);

    [webView loadRequest:[NSURLRequest requestWithURL:secondURL.get()]];
    TestWebKitAPI::Util::run(&receivedBothAlerts);
}