/*
 * Copyright (C) 2019 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"

#if WK_HAVE_C_SPI

#import "PlatformUtilities.h"
#import "TestWKWebView.h"
#import <WebKit/WKWebViewConfigurationPrivate.h>
#import <WebKit/WKWebViewPrivateForTesting.h>

TEST(WebKit, ProcessSuspendMediaBuffering)
{
    auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
    WKRetainPtr<WKContextRef> context = adoptWK(TestWebKitAPI::Util::createContextForInjectedBundleTest("InternalsInjectedBundleTest"));
    configuration.get().processPool = (WKProcessPool *)context.get();
    configuration.get()._mediaDataLoadsAutomatically = YES;
    configuration.get().mediaTypesRequiringUserActionForPlayback = WKAudiovisualMediaTypeNone;
    auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:NSMakeRect(0, 0, 300, 300) configuration:configuration.get() addToWindow:YES]);

    __block bool isPlaying = false;
    [webView performAfterReceivingMessage:@"playing" action:^() { isPlaying = true; }];

    [webView synchronouslyLoadTestPageNamed:@"video-with-audio"];

    TestWebKitAPI::Util::run(&isPlaying);

    auto isElementAllowedToBuffer = [&] {
        return [webView stringByEvaluatingJavaScript:@"window.internals.elementShouldBufferData(document.querySelector('video'))"].boolValue;
    };

    ASSERT_TRUE(isElementAllowedToBuffer());

    [webView _processWillSuspendImminentlyForTesting];

    ASSERT_FALSE(isElementAllowedToBuffer());

    [webView _processDidResumeForTesting];

    ASSERT_TRUE(isElementAllowedToBuffer());
}

#endif // WK_HAVE_C_SPI