Tools/TestWebKitAPI/Tests/WebKitCocoa/RenderedImageWithOptions.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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#import "config.h"

#import "RenderedImageWithOptionsProtocol.h"
#import "TestNavigationDelegate.h"
#import "Utilities.h"
#import "WKWebViewConfigurationExtras.h"
#import <WebKit/WKWebViewPrivate.h>
#import <WebKit/WebKit.h>
#import <WebKit/_WKRemoteObjectInterface.h>
#import <WebKit/_WKRemoteObjectRegistry.h>
#import <wtf/RetainPtr.h>

using namespace TestWebKitAPI;

static void runTestWithWidth(NSNumber *width, CGSize expectedSize)
{
    WKWebViewConfiguration *configuration = [WKWebViewConfiguration _test_configurationWithTestPlugInClassName:@"RenderedImageWithOptionsPlugIn"];
    auto webView = adoptNS([[WKWebView alloc] initWithFrame:CGRectZero configuration:configuration]);

    _WKRemoteObjectInterface *interface = [_WKRemoteObjectInterface remoteObjectInterfaceWithProtocol:@protocol(RenderedImageWithOptionsProtocol)];
    auto remoteObject = retainPtr([[webView _remoteObjectRegistry] remoteObjectProxyWithInterface:interface]);

    [webView loadRequest:[NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"rendered-image-excluding-overflow" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"]]];
    [webView _test_waitForDidFinishNavigation];

    __block bool testFinished = false;
    [remoteObject renderImageWithWidth:width completionHandler:^(CGSize imageSize) {
#if PLATFORM(IOS_FAMILY)
        CGFloat scale = [UIScreen mainScreen].scale;
#elif PLATFORM(MAC)
        CGFloat scale = [NSScreen mainScreen].backingScaleFactor;
#endif
        EXPECT_EQ(expectedSize.width, imageSize.width / scale);
        EXPECT_EQ(expectedSize.height, imageSize.height / scale);
        testFinished = true;
    }];

    Util::run(&testFinished);
}

TEST(WebKit, NodeHandleRenderedImageExcludingOverflow)
{
    runTestWithWidth(nil, { 720, 540 });
}

TEST(WebKit, NodeHandleRenderedImageWithWidth)
{
    runTestWithWidth(@(-1), { 0, 0 });
    runTestWithWidth(@0, { 0, 0 });
    runTestWithWidth(@1, { 1, 1 });
    runTestWithWidth(@360, { 360, 270 });
    runTestWithWidth(@719, { 719, 539 });
    runTestWithWidth(@720, { 720, 540 });
    runTestWithWidth(@721, { 721, 541 });
}