Tools/TestWebKitAPI/Tests/WebKitCocoa/AsyncPolicyForNavigationResponse.mm

/*
 * Copyright (C) 2018 Apple Inc. All rights reserved.
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 *    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
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#import "config.h"

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

static bool shouldAccept = true;
static bool navigationComplete = false;
static bool navigationFailed = false;

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

@implementation TestAsyncNavigationDelegate

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

- (void)webView:(WKWebView *)webView didFailNavigation:(null_unspecified WKNavigation *)navigation withError:(NSError *)error
{
    navigationFailed = true;
    navigationComplete = true;
    webView.navigationDelegate = nil;
}

- (void)webView:(WKWebView *)webView didFailProvisionalNavigation:(null_unspecified WKNavigation *)navigation withError:(NSError *)error
{
    navigationFailed = true;
    navigationComplete = true;
    webView.navigationDelegate = nil;
}

- (void)webView:(WKWebView *)webView decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
{
    decisionHandler(WKNavigationActionPolicyAllow);
}

- (void)webView:(WKWebView *)webView decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler
{
    int64_t deferredWaitTime = 100 * NSEC_PER_MSEC;
    dispatch_time_t when = dispatch_time(DISPATCH_TIME_NOW, deferredWaitTime);
    dispatch_after(when, dispatch_get_main_queue(), ^{
        decisionHandler(shouldAccept ? WKNavigationResponsePolicyAllow : WKNavigationResponsePolicyCancel);
    });
}
@end

namespace TestWebKitAPI {

TEST(WebKit, RespondToPolicyForNavigationResponseAsynchronously)
{
    RetainPtr<NSURL> testURL = [[NSBundle mainBundle] URLForResource:@"simple" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"];

    auto webView = adoptNS([[WKWebView alloc] init]);
    auto delegate = adoptNS([[TestAsyncNavigationDelegate alloc] init]);
    [webView setNavigationDelegate:delegate.get()];
    [webView setUIDelegate:delegate.get()];

    shouldAccept = true;
    navigationFailed = false;
    navigationComplete = false;
    [webView loadRequest:[NSURLRequest requestWithURL:testURL.get()]];
    TestWebKitAPI::Util::run(&navigationComplete);

    EXPECT_FALSE(navigationFailed);
}

TEST(WebKit, PolicyForNavigationResponseCancelAsynchronously)
{
    RetainPtr<NSURL> testURL = [[NSBundle mainBundle] URLForResource:@"simple" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"];

    auto webView = adoptNS([[WKWebView alloc] init]);
    auto delegate = adoptNS([[TestAsyncNavigationDelegate alloc] init]);
    [webView setNavigationDelegate:delegate.get()];
    [webView setUIDelegate:delegate.get()];

    shouldAccept = false;
    navigationFailed = false;
    navigationComplete = false;
    [webView loadRequest:[NSURLRequest requestWithURL:testURL.get()]];
    TestWebKitAPI::Util::run(&navigationComplete);

    EXPECT_TRUE(navigationFailed);
}

} // namespace TestWebKitAPI