/*
 * Copyright (C) 2018 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    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
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "config.h"

#import "PlatformUtilities.h"
#import "Test.h"
#import <WebKit/WKProcessPoolPrivate.h>
#import <WebKit/WKUserContentControllerPrivate.h>
#import <WebKit/WKWebViewConfigurationPrivate.h>
#import <WebKit/WebKit.h>
#import <WebKit/_WKProcessPoolConfiguration.h>
#import <WebKit/_WKUserStyleSheet.h>
#import <wtf/RetainPtr.h>
#import <wtf/text/WTFString.h>

static bool readyToContinue;
static bool receivedScriptMessage;
static RetainPtr<WKScriptMessage> lastScriptMessage;

@interface LocalStorageMessageHandler : NSObject <WKScriptMessageHandler>
@end

@implementation LocalStorageMessageHandler

- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message
{
    receivedScriptMessage = true;
    lastScriptMessage = message;
}

@end


TEST(WKWebView, LocalStorageEmptyString)
{
    readyToContinue = false;
    [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:[WKWebsiteDataStore allWebsiteDataTypes] modifiedSince:[NSDate distantPast] completionHandler:^() {
        readyToContinue = true;
    }];
    TestWebKitAPI::Util::run(&readyToContinue);

    @autoreleasepool {
        RetainPtr<LocalStorageMessageHandler> handler = adoptNS([[LocalStorageMessageHandler alloc] init]);
        RetainPtr<WKWebViewConfiguration> configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
        [[configuration userContentController] addScriptMessageHandler:handler.get() name:@"testHandler"];
        [configuration _setAllowUniversalAccessFromFileURLs:YES];
    
        RetainPtr<WKWebView> webView = adoptNS([[WKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
    
        NSURLRequest *request = [NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"localstorage-empty-string-value" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"]];
        [webView loadRequest:request];
    
        TestWebKitAPI::Util::run(&receivedScriptMessage);
        receivedScriptMessage = false;
        RetainPtr<NSString> string1 = (NSString *)[lastScriptMessage body];
        EXPECT_WK_STREQ(@"setItem EmptyString", string1.get());
    
        // Ditch this web view (ditch the in-memory local storage).
        webView = nil;
        configuration = nil;
        handler = nil;
        request = nil;
    }
    
    RetainPtr<LocalStorageMessageHandler> handler = adoptNS([[LocalStorageMessageHandler alloc] init]);
    RetainPtr<WKWebViewConfiguration> configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
    [[configuration userContentController] addScriptMessageHandler:handler.get() name:@"testHandler"];
    [configuration _setAllowUniversalAccessFromFileURLs:YES];
    
    // Make a new web view to finish the test.
    RetainPtr<WKWebView> webView = adoptNS([[WKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);
    
    NSURLRequest *request = [NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"localstorage-empty-string-value" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"]];
    [webView loadRequest:request];
    
    TestWebKitAPI::Util::run(&receivedScriptMessage);
    receivedScriptMessage = false;
    RetainPtr<NSString> string2 = (NSString *)[lastScriptMessage body];
    EXPECT_WK_STREQ(@"", string2.get());
}