Tools/TestWebKitAPI/Tests/ios/ScrollViewBouncesTests.mm - external/github.com/WebKit/webkit - Git at Google

 /*
  * Copyright (C) 2022 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 PLATFORM(IOS_FAMILY)

 #import "PlatformUtilities.h"
 #import "TestInputDelegate.h"
 #import "TestNavigationDelegate.h"
 #import "TestWKWebView.h"
 #import <UIKit/UIKit.h>
 #import <WebKit/WKWebViewPrivate.h>

 namespace TestWebKitAPI {

 static const CGFloat viewHeight = 500;

 static NSString *overscrollBehaviorAuto = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior: auto;'>";
 static NSString *overscrollBehaviorNone = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior: none;'>";
 static NSString *overscrollBehaviorContain = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior: contain;'>";

 static NSString *overscrollBehaviorAutoX = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-x: auto;'>";
 static NSString *overscrollBehaviorNoneX = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-x: none;'>";
 static NSString *overscrollBehaviorContainX = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-x: contain;'>";

 static NSString *overscrollBehaviorAutoY = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-y: auto;'>";
 static NSString *overscrollBehaviorNoneY = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-y: none;'>";
 static NSString *overscrollBehaviorContainY = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-y: contain;'>";

 TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoNotSet)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     EXPECT_EQ([[webView scrollView] bounces], YES);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorAuto];
     EXPECT_EQ([[webView scrollView] bounces], YES);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoSet)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorAuto];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoNotSetDynamicallyChange)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorNone];
     EXPECT_EQ([[webView scrollView] bounces], NO);
     [webView stringByEvaluatingJavaScript:@"document.documentElement.style.overscrollBehavior = 'auto'"];
     [webView waitForNextPresentationUpdate];
     EXPECT_EQ([[webView scrollView] bounces], YES);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoSetDynamicallyChange)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorNone];
     EXPECT_EQ([[webView scrollView] bounces], NO);
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
     [webView stringByEvaluatingJavaScript:@"document.documentElement.style.overscrollBehavior = 'auto'"];
     [webView waitForNextPresentationUpdate];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneDynamicallyChange)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorAuto];
     EXPECT_EQ([[webView scrollView] bounces], YES);
     [webView objectByEvaluatingJavaScript:@"document.documentElement.style.overscrollBehavior = 'none'"];
     [webView waitForNextPresentationUpdate];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneSet)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorNone];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorContainNotSet)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorContain];
     EXPECT_EQ([[webView scrollView] bounces], YES);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorContainSet)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorContain];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoNotSetX)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorAutoX];
     EXPECT_EQ([[webView scrollView] bounces], YES);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoSetX)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorAutoX];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneNotSetX)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorNoneX];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneSetX)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorNoneX];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorContainNotSetX)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorContainX];
     EXPECT_EQ([[webView scrollView] bounces], YES);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorContainSetX)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorContainX];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoNotSetY)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorAutoY];
     EXPECT_EQ([[webView scrollView] bounces], YES);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoSety)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorAutoY];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneNotSetY)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorNoneY];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneSetY)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorNoneY];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorContainNotSetY)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorContainY];
     EXPECT_EQ([[webView scrollView] bounces], YES);
 }

 TEST(ScrollViewBouncesTests, OverscrollBehaviorContainSetY)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:overscrollBehaviorContainY];
     [[webView scrollView] setBounces:NO];
     EXPECT_EQ([[webView scrollView] bounces], NO);
 }

 } // namespace TestWebKitAPI

 #endif // PLATFORM(IOS_FAMILY)
	/*
	* Copyright (C) 2022 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 PLATFORM(IOS_FAMILY)

	#import "PlatformUtilities.h"
	#import "TestInputDelegate.h"
	#import "TestNavigationDelegate.h"
	#import "TestWKWebView.h"
	#import <UIKit/UIKit.h>
	#import <WebKit/WKWebViewPrivate.h>

	namespace TestWebKitAPI {

	static const CGFloat viewHeight = 500;

	static NSString *overscrollBehaviorAuto = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior: auto;'>";
	static NSString *overscrollBehaviorNone = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior: none;'>";
	static NSString *overscrollBehaviorContain = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior: contain;'>";

	static NSString *overscrollBehaviorAutoX = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-x: auto;'>";
	static NSString *overscrollBehaviorNoneX = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-x: none;'>";
	static NSString *overscrollBehaviorContainX = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-x: contain;'>";

	static NSString *overscrollBehaviorAutoY = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-y: auto;'>";
	static NSString *overscrollBehaviorNoneY = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-y: none;'>";
	static NSString *overscrollBehaviorContainY = @"<meta name='viewport' content='width=device-width, initial-scale=1'><html style='width: 100%; height: 5000px; overscroll-behavior-y: contain;'>";

	TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoNotSet)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	EXPECT_EQ([[webView scrollView] bounces], YES);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorAuto];
	EXPECT_EQ([[webView scrollView] bounces], YES);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoSet)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorAuto];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoNotSetDynamicallyChange)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorNone];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	[webView stringByEvaluatingJavaScript:@"document.documentElement.style.overscrollBehavior = 'auto'"];
	[webView waitForNextPresentationUpdate];
	EXPECT_EQ([[webView scrollView] bounces], YES);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoSetDynamicallyChange)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorNone];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	[webView stringByEvaluatingJavaScript:@"document.documentElement.style.overscrollBehavior = 'auto'"];
	[webView waitForNextPresentationUpdate];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneDynamicallyChange)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorAuto];
	EXPECT_EQ([[webView scrollView] bounces], YES);
	[webView objectByEvaluatingJavaScript:@"document.documentElement.style.overscrollBehavior = 'none'"];
	[webView waitForNextPresentationUpdate];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneSet)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorNone];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorContainNotSet)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorContain];
	EXPECT_EQ([[webView scrollView] bounces], YES);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorContainSet)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorContain];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoNotSetX)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorAutoX];
	EXPECT_EQ([[webView scrollView] bounces], YES);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoSetX)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorAutoX];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneNotSetX)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorNoneX];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneSetX)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorNoneX];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorContainNotSetX)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorContainX];
	EXPECT_EQ([[webView scrollView] bounces], YES);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorContainSetX)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorContainX];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoNotSetY)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorAutoY];
	EXPECT_EQ([[webView scrollView] bounces], YES);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorAutoSety)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorAutoY];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneNotSetY)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorNoneY];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorNoneSetY)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorNoneY];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorContainNotSetY)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorContainY];
	EXPECT_EQ([[webView scrollView] bounces], YES);
	}

	TEST(ScrollViewBouncesTests, OverscrollBehaviorContainSetY)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:overscrollBehaviorContainY];
	[[webView scrollView] setBounces:NO];
	EXPECT_EQ([[webView scrollView] bounces], NO);
	}

	} // namespace TestWebKitAPI

	#endif // PLATFORM(IOS_FAMILY)