ios/web/web_state/js/context_menu_js_unittest.mm - chromium/src - Git at Google

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include <vector>

 #import <CoreGraphics/CoreGraphics.h>
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>

 #include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #import "ios/web/public/test/web_test_with_web_state.h"
 #import "ios/web/public/web_state/ui/crw_web_view_proxy.h"
 #import "ios/web/public/web_state/ui/crw_web_view_scroll_view_proxy.h"
 #import "ios/web/public/web_state/web_state.h"
 #import "ios/web/web_state/context_menu_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"

 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif

 // Unit tests for ios/web/web_state/js/resources/context_menu.js.

 namespace {

 // Test coordinates and expected result for __gCrWeb.getElementFromPoint call.
 struct TestCoordinatesAndExpectedValue {
   TestCoordinatesAndExpectedValue(CGFloat x, CGFloat y, id expected_value)
       : x(x), y(y), expected_value(expected_value) {}
   CGFloat x = 0;
   CGFloat y = 0;
   id expected_value = nil;
 };

 }  // namespace

 namespace web {

 // Test fixture to test context_menu.js.
 class ContextMenuJsTest : public web::WebTestWithWebState {
  protected:
   // Verifies that __gCrWeb.getElementFromPoint returns |expected_value| for
   // the given image |html|.
   void ImageTesterHelper(NSString* html, NSDictionary* expected_value) {
     NSString* page_content_template =
         @"<html><body style='margin-left:10px;margin-top:10px;'>"
          "<div style='width:100px;height:100px;'>"
          "  <p style='position:absolute;left:25px;top:25px;"
          "      width:50px;height:50px'>"
          "%@"
          "    Chrome rocks!"
          "  </p></div></body></html>";
     NSString* page_content =
         [NSString stringWithFormat:page_content_template, html];

     TestCoordinatesAndExpectedValue test_data[] = {
         // Point outside the document margins.
         {0, 0, @{}},
         // Point inside the <p> element.
         {20, 20, expected_value},
         // Point outside the <p> element.
         {GetWebViewContentSize().width / 2, 50, @{}},
     };
     for (size_t i = 0; i < arraysize(test_data); i++) {
       const TestCoordinatesAndExpectedValue& data = test_data[i];
       LoadHtml(page_content);
       id result = ExecuteGetElementFromPointJavaScript(data.x, data.y);
       EXPECT_NSEQ(data.expected_value, result)
           << " in test " << i << ": (" << data.x << ", " << data.y << ")";
     }
   }
   // Returns web view's content size from the current web state.
   CGSize GetWebViewContentSize() {
     return web_state()->GetWebViewProxy().scrollViewProxy.contentSize;
   }

   // Executes __gCrWeb.getElementFromPoint script and syncronously returns the
   // result. |x| and |y| are points in web view coordinate system.
   id ExecuteGetElementFromPointJavaScript(CGFloat x, CGFloat y) {
     CGSize contentSize = GetWebViewContentSize();
     NSString* const script = [NSString
         stringWithFormat:@"__gCrWeb.getElementFromPoint(%g, %g, %g, %g)", x, y,
                          contentSize.width, contentSize.height];
     return ExecuteJavaScript(script);
   }
 };

 // Tests that __gCrWeb.getElementFromPoint function returns correct src.
 TEST_F(ContextMenuJsTest, GetImageUrlAtPoint) {
   NSString* html =
       @"<img id='foo' style='width:200;height:200;' src='file:///bogus'/>";
   NSDictionary* expected_value = @{
     kContextMenuElementSource : @"file:///bogus",
     kContextMenuElementReferrerPolicy : @"default",
   };
   ImageTesterHelper(html, expected_value);
 }

 // Tests that __gCrWeb.getElementFromPoint function returns correct title.
 TEST_F(ContextMenuJsTest, GetImageTitleAtPoint) {
   NSString* html = @"<img id='foo' title='Hello world!'"
                     "style='width:200;height:200;' src='file:///bogus'/>";
   NSDictionary* expected_value = @{
     kContextMenuElementSource : @"file:///bogus",
     kContextMenuElementReferrerPolicy : @"default",
     kContextMenuElementTitle : @"Hello world!",
   };
   ImageTesterHelper(html, expected_value);
 }

 // Tests that __gCrWeb.getElementFromPoint function returns correct href.
 TEST_F(ContextMenuJsTest, GetLinkImageUrlAtPoint) {
   NSString* html =
       @"<a href='file:///linky'>"
        "<img id='foo' style='width:200;height:200;' src='file:///bogus'/>"
        "</a>";
   NSDictionary* expected_value = @{
     kContextMenuElementSource : @"file:///bogus",
     kContextMenuElementReferrerPolicy : @"default",
     kContextMenuElementHyperlink : @"file:///linky",
   };
   ImageTesterHelper(html, expected_value);
 }

 TEST_F(ContextMenuJsTest, TextAreaStopsProximity) {
   NSString* html =
       @"<html><body style='margin-left:10px;margin-top:10px;'>"
        "<div style='width:100px;height:100px;'>"
        "<img id='foo'"
        "    style='position:absolute;left:0px;top:0px;width:50px;height:50px'"
        "    src='file:///bogus' />"
        "<input type='text' name='name'"
        "       style='position:absolute;left:5px;top:5px; "
        "width:40px;height:40px'/>"
        "</div></body> </html>";

   NSDictionary* success = @{
     kContextMenuElementSource : @"file:///bogus",
     kContextMenuElementReferrerPolicy : @"default",
   };
   NSDictionary* failure = @{};

   TestCoordinatesAndExpectedValue test_data[] = {
       {2, 20, success}, {10, 10, failure},
   };

   for (size_t i = 0; i < arraysize(test_data); i++) {
     const TestCoordinatesAndExpectedValue& data = test_data[i];
     LoadHtml(html);
     id result = ExecuteGetElementFromPointJavaScript(data.x, data.y);
     EXPECT_NSEQ(data.expected_value, result)
         << " in test " << i << ": (" << data.x << ", " << data.y << ")";
   }
 }

 // Tests the javascript of the url of the an image present in the DOM.
 TEST_F(ContextMenuJsTest, LinkOfImage) {
   // A page with a large image surrounded by a link.
   static const char image[] =
       "<a href='%s'><img width=400 height=400 src='foo'></img></a>";

   // A page with a link to a destination URL.
   LoadHtml(base::StringPrintf(image, "http://destination"));
   ExecuteJavaScript(@"document.getElementsByTagName('img')");  // Force layout.

   id result = ExecuteGetElementFromPointJavaScript(20, 20);
   NSDictionary* expected_result = @{
     kContextMenuElementSource :
         [NSString stringWithFormat:@"%sfoo", BaseUrl().c_str()],
     kContextMenuElementReferrerPolicy : @"default",
     kContextMenuElementHyperlink : @"http://destination/",
   };
   EXPECT_NSEQ(expected_result, result);

   // A page with a link with some JavaScript that does not result in a NOP.
   LoadHtml(base::StringPrintf(image, "javascript:console.log('whatever')"));
   result = ExecuteGetElementFromPointJavaScript(20, 20);
   expected_result = @{
     kContextMenuElementSource :
         [NSString stringWithFormat:@"%sfoo", BaseUrl().c_str()],
     kContextMenuElementReferrerPolicy : @"default",
     kContextMenuElementHyperlink : @"javascript:console.log(",
   };
   EXPECT_NSEQ(expected_result, result);

   // A list of JavaScripts that result in a NOP.
   std::vector<std::string> nop_javascripts;
   nop_javascripts.push_back(";");
   nop_javascripts.push_back("void(0);");
   nop_javascripts.push_back("void(0);  void(0); void(0)");

   for (auto js : nop_javascripts) {
     // A page with a link with some JavaScript that results in a NOP.
     const std::string javascript = std::string("javascript:") + js;
     LoadHtml(base::StringPrintf(image, javascript.c_str()));
     result = ExecuteGetElementFromPointJavaScript(20, 20);
     expected_result = @{
       kContextMenuElementSource :
           [NSString stringWithFormat:@"%sfoo", BaseUrl().c_str()],
       kContextMenuElementReferrerPolicy : @"default",
     };
     // Make sure the returned JSON does not have an 'href' key.
     EXPECT_NSEQ(expected_result, result);
   }
 }

 // Tests context menu invoked on an image with "-webkit-touch-callout:none"
 // style and parent link.
 TEST_F(ContextMenuJsTest, LinkOfImageWithCalloutNone) {
   // A page with an image surrounded by a link.
   static const char image_html[] =
       "<a href='%s'>"
       "<img style='width:9;height:9;display:block;-webkit-touch-callout:none;'>"
       "</a>";

   // A page with a link to a destination URL.
   LoadHtml(base::StringPrintf(image_html, "http://destination"));
   ExecuteJavaScript(@"document.getElementsByTagName('img')");  // Force layout.
   id result = ExecuteGetElementFromPointJavaScript(5, 5);
   NSDictionary* expected_result = @{
     kContextMenuElementInnerText : @"",
     kContextMenuElementReferrerPolicy : @"default",
     kContextMenuElementHyperlink : @"http://destination/",
   };
   EXPECT_NSEQ(expected_result, result);
 }

 // Tests that the GetElementFromPoint script reports "never" as the referrer
 // policy for pages that have an unsupported policy in a meta tag.
 TEST_F(ContextMenuJsTest, UnsupportedReferrerPolicy) {
   // A page with an unsupported referrer meta tag and a 400x400 image.
   static const char kInvalidReferrerTag[] =
       "<meta name=\"referrer\" content=\"unsupported-value\">"
       "<img width=400 height=400 src='foo'></img>";

   // Load the invalid meta tag
   LoadHtml(kInvalidReferrerTag);
   id result = ExecuteGetElementFromPointJavaScript(20, 20);
   ASSERT_TRUE([result isKindOfClass:[NSDictionary class]]);
   EXPECT_NSEQ(@"never", result[kContextMenuElementReferrerPolicy]);
 }

 // Tests that a callout information about a link is displayed when
 // -webkit-touch-callout property is not specified. Please see:
 // https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
 TEST_F(ContextMenuJsTest, LinkOfTextWithoutCalloutProperty) {
   const char kLinkHtml[] = "<a href='%s'>link</a>";

   LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
   ExecuteJavaScript(@"document.getElementsByTagName('a')");  // Force layout.

   id result = ExecuteGetElementFromPointJavaScript(1, 1);
   NSDictionary* expected_result = @{
     kContextMenuElementInnerText : @"link",
     kContextMenuElementReferrerPolicy : @"default",
     kContextMenuElementHyperlink : @"http://destination/",
   };
   EXPECT_NSEQ(expected_result, result);
 }

 // Tests that a callout information about a link is displayed when
 // -webkit-touch-callout property is set to default. Please see:
 // https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
 TEST_F(ContextMenuJsTest, LinkOfTextWithCalloutDefault) {
   const char kLinkHtml[] =
       "<a href='%s' style='-webkit-touch-callout:default;'>link</a>";

   LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
   ExecuteJavaScript(@"document.getElementsByTagName('a')");  // Force layout.

   id result = ExecuteGetElementFromPointJavaScript(1, 1);
   NSDictionary* expected_result = @{
     kContextMenuElementInnerText : @"link",
     kContextMenuElementReferrerPolicy : @"default",
     kContextMenuElementHyperlink : @"http://destination/",
   };
   EXPECT_NSEQ(expected_result, result);
 }

 // Tests that no callout information about a link is displayed when
 // -webkit-touch-callout property is set to none. Please see:
 // https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
 TEST_F(ContextMenuJsTest, LinkOfTextWithCalloutNone) {
   const char kLinkHtml[] =
       "<a href='%s' style='-webkit-touch-callout:none;'>link</a>";

   LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
   ExecuteJavaScript(@"document.getElementsByTagName('a')");  // Force layout.

   id result = ExecuteGetElementFromPointJavaScript(1, 1);
   EXPECT_NSEQ(@{}, result);
 }

 // Tests that -webkit-touch-callout property can be inherited from ancester if
 // it's not specified. Please see:
 // https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
 TEST_F(ContextMenuJsTest, LinkOfTextWithCalloutFromAncester) {
   const char kLinkHtml[] =
       "<body style='-webkit-touch-callout: none'>"
       " <a href='%s'>link</a>"
       "</body>";

   LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
   ExecuteJavaScript(@"document.getElementsByTagName('a')");  // Force layout.

   id result = ExecuteGetElementFromPointJavaScript(1, 1);
   EXPECT_NSEQ(@{}, result);
 }

 // Tests that setting -webkit-touch-callout property can override the value
 // inherited from ancester. Please see:
 // https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
 TEST_F(ContextMenuJsTest, LinkOfTextWithCalloutOverride) {
   const char kLinkHtml[] =
       "<body style='-webkit-touch-callout: none'>"
       " <a href='%s' style='-webkit-touch-callout: default'>link</a>"
       "</body>";

   LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
   ExecuteJavaScript(@"document.getElementsByTagName('a')");  // Force layout.

   id result = ExecuteGetElementFromPointJavaScript(1, 1);
   NSDictionary* expected_result = @{
     kContextMenuElementInnerText : @"link",
     kContextMenuElementReferrerPolicy : @"default",
     kContextMenuElementHyperlink : @"http://destination/",
   };
   EXPECT_NSEQ(expected_result, result);
 }

 }  // namespace web
	// Copyright 2017 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include <vector>

	#import <CoreGraphics/CoreGraphics.h>
	#import <Foundation/Foundation.h>
	#import <UIKit/UIKit.h>

	#include "base/macros.h"
	#include "base/strings/stringprintf.h"
	#import "ios/web/public/test/web_test_with_web_state.h"
	#import "ios/web/public/web_state/ui/crw_web_view_proxy.h"
	#import "ios/web/public/web_state/ui/crw_web_view_scroll_view_proxy.h"
	#import "ios/web/public/web_state/web_state.h"
	#import "ios/web/web_state/context_menu_constants.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "testing/gtest_mac.h"

	#if !defined(__has_feature) \|\| !__has_feature(objc_arc)
	#error "This file requires ARC support."
	#endif

	// Unit tests for ios/web/web_state/js/resources/context_menu.js.

	namespace {

	// Test coordinates and expected result for __gCrWeb.getElementFromPoint call.
	struct TestCoordinatesAndExpectedValue {
	TestCoordinatesAndExpectedValue(CGFloat x, CGFloat y, id expected_value)
	: x(x), y(y), expected_value(expected_value) {}
	CGFloat x = 0;
	CGFloat y = 0;
	id expected_value = nil;
	};

	} // namespace

	namespace web {

	// Test fixture to test context_menu.js.
	class ContextMenuJsTest : public web::WebTestWithWebState {
	protected:
	// Verifies that __gCrWeb.getElementFromPoint returns \|expected_value\| for
	// the given image \|html\|.
	void ImageTesterHelper(NSString* html, NSDictionary* expected_value) {
	NSString* page_content_template =
	@"<html><body style='margin-left:10px;margin-top:10px;'>"
	"<div style='width:100px;height:100px;'>"
	" <p style='position:absolute;left:25px;top:25px;"
	" width:50px;height:50px'>"
	"%@"
	" Chrome rocks!"
	" </p></div></body></html>";
	NSString* page_content =
	[NSString stringWithFormat:page_content_template, html];

	TestCoordinatesAndExpectedValue test_data[] = {
	// Point outside the document margins.
	{0, 0, @{}},
	// Point inside the <p> element.
	{20, 20, expected_value},
	// Point outside the <p> element.
	{GetWebViewContentSize().width / 2, 50, @{}},
	};
	for (size_t i = 0; i < arraysize(test_data); i++) {
	const TestCoordinatesAndExpectedValue& data = test_data[i];
	LoadHtml(page_content);
	id result = ExecuteGetElementFromPointJavaScript(data.x, data.y);
	EXPECT_NSEQ(data.expected_value, result)
	<< " in test " << i << ": (" << data.x << ", " << data.y << ")";
	}
	}
	// Returns web view's content size from the current web state.
	CGSize GetWebViewContentSize() {
	return web_state()->GetWebViewProxy().scrollViewProxy.contentSize;
	}

	// Executes __gCrWeb.getElementFromPoint script and syncronously returns the
	// result. \|x\| and \|y\| are points in web view coordinate system.
	id ExecuteGetElementFromPointJavaScript(CGFloat x, CGFloat y) {
	CGSize contentSize = GetWebViewContentSize();
	NSString* const script = [NSString
	stringWithFormat:@"__gCrWeb.getElementFromPoint(%g, %g, %g, %g)", x, y,
	contentSize.width, contentSize.height];
	return ExecuteJavaScript(script);
	}
	};

	// Tests that __gCrWeb.getElementFromPoint function returns correct src.
	TEST_F(ContextMenuJsTest, GetImageUrlAtPoint) {
	NSString* html =
	@"<img id='foo' style='width:200;height:200;' src='file:///bogus'/>";
	NSDictionary* expected_value = @{
	kContextMenuElementSource : @"file:///bogus",
	kContextMenuElementReferrerPolicy : @"default",
	};
	ImageTesterHelper(html, expected_value);
	}

	// Tests that __gCrWeb.getElementFromPoint function returns correct title.
	TEST_F(ContextMenuJsTest, GetImageTitleAtPoint) {
	NSString* html = @"<img id='foo' title='Hello world!'"
	"style='width:200;height:200;' src='file:///bogus'/>";
	NSDictionary* expected_value = @{
	kContextMenuElementSource : @"file:///bogus",
	kContextMenuElementReferrerPolicy : @"default",
	kContextMenuElementTitle : @"Hello world!",
	};
	ImageTesterHelper(html, expected_value);
	}

	// Tests that __gCrWeb.getElementFromPoint function returns correct href.
	TEST_F(ContextMenuJsTest, GetLinkImageUrlAtPoint) {
	NSString* html =
	@"<a href='file:///linky'>"
	"<img id='foo' style='width:200;height:200;' src='file:///bogus'/>"
	"</a>";
	NSDictionary* expected_value = @{
	kContextMenuElementSource : @"file:///bogus",
	kContextMenuElementReferrerPolicy : @"default",
	kContextMenuElementHyperlink : @"file:///linky",
	};
	ImageTesterHelper(html, expected_value);
	}

	TEST_F(ContextMenuJsTest, TextAreaStopsProximity) {
	NSString* html =
	@"<html><body style='margin-left:10px;margin-top:10px;'>"
	"<div style='width:100px;height:100px;'>"
	"<img id='foo'"
	" style='position:absolute;left:0px;top:0px;width:50px;height:50px'"
	" src='file:///bogus' />"
	"<input type='text' name='name'"
	" style='position:absolute;left:5px;top:5px; "
	"width:40px;height:40px'/>"
	"</div></body> </html>";

	NSDictionary* success = @{
	kContextMenuElementSource : @"file:///bogus",
	kContextMenuElementReferrerPolicy : @"default",
	};
	NSDictionary* failure = @{};

	TestCoordinatesAndExpectedValue test_data[] = {
	{2, 20, success}, {10, 10, failure},
	};

	for (size_t i = 0; i < arraysize(test_data); i++) {
	const TestCoordinatesAndExpectedValue& data = test_data[i];
	LoadHtml(html);
	id result = ExecuteGetElementFromPointJavaScript(data.x, data.y);
	EXPECT_NSEQ(data.expected_value, result)
	<< " in test " << i << ": (" << data.x << ", " << data.y << ")";
	}
	}

	// Tests the javascript of the url of the an image present in the DOM.
	TEST_F(ContextMenuJsTest, LinkOfImage) {
	// A page with a large image surrounded by a link.
	static const char image[] =
	"<a href='%s'><img width=400 height=400 src='foo'></img></a>";

	// A page with a link to a destination URL.
	LoadHtml(base::StringPrintf(image, "http://destination"));
	ExecuteJavaScript(@"document.getElementsByTagName('img')"); // Force layout.

	id result = ExecuteGetElementFromPointJavaScript(20, 20);
	NSDictionary* expected_result = @{
	kContextMenuElementSource :
	[NSString stringWithFormat:@"%sfoo", BaseUrl().c_str()],
	kContextMenuElementReferrerPolicy : @"default",
	kContextMenuElementHyperlink : @"http://destination/",
	};
	EXPECT_NSEQ(expected_result, result);

	// A page with a link with some JavaScript that does not result in a NOP.
	LoadHtml(base::StringPrintf(image, "javascript:console.log('whatever')"));
	result = ExecuteGetElementFromPointJavaScript(20, 20);
	expected_result = @{
	kContextMenuElementSource :
	[NSString stringWithFormat:@"%sfoo", BaseUrl().c_str()],
	kContextMenuElementReferrerPolicy : @"default",
	kContextMenuElementHyperlink : @"javascript:console.log(",
	};
	EXPECT_NSEQ(expected_result, result);

	// A list of JavaScripts that result in a NOP.
	std::vector<std::string> nop_javascripts;
	nop_javascripts.push_back(";");
	nop_javascripts.push_back("void(0);");
	nop_javascripts.push_back("void(0); void(0); void(0)");

	for (auto js : nop_javascripts) {
	// A page with a link with some JavaScript that results in a NOP.
	const std::string javascript = std::string("javascript:") + js;
	LoadHtml(base::StringPrintf(image, javascript.c_str()));
	result = ExecuteGetElementFromPointJavaScript(20, 20);
	expected_result = @{
	kContextMenuElementSource :
	[NSString stringWithFormat:@"%sfoo", BaseUrl().c_str()],
	kContextMenuElementReferrerPolicy : @"default",
	};
	// Make sure the returned JSON does not have an 'href' key.
	EXPECT_NSEQ(expected_result, result);
	}
	}

	// Tests context menu invoked on an image with "-webkit-touch-callout:none"
	// style and parent link.
	TEST_F(ContextMenuJsTest, LinkOfImageWithCalloutNone) {
	// A page with an image surrounded by a link.
	static const char image_html[] =
	"<a href='%s'>"
	"<img style='width:9;height:9;display:block;-webkit-touch-callout:none;'>"
	"</a>";

	// A page with a link to a destination URL.
	LoadHtml(base::StringPrintf(image_html, "http://destination"));
	ExecuteJavaScript(@"document.getElementsByTagName('img')"); // Force layout.
	id result = ExecuteGetElementFromPointJavaScript(5, 5);
	NSDictionary* expected_result = @{
	kContextMenuElementInnerText : @"",
	kContextMenuElementReferrerPolicy : @"default",
	kContextMenuElementHyperlink : @"http://destination/",
	};
	EXPECT_NSEQ(expected_result, result);
	}

	// Tests that the GetElementFromPoint script reports "never" as the referrer
	// policy for pages that have an unsupported policy in a meta tag.
	TEST_F(ContextMenuJsTest, UnsupportedReferrerPolicy) {
	// A page with an unsupported referrer meta tag and a 400x400 image.
	static const char kInvalidReferrerTag[] =
	"<meta name=\"referrer\" content=\"unsupported-value\">"
	"<img width=400 height=400 src='foo'></img>";

	// Load the invalid meta tag
	LoadHtml(kInvalidReferrerTag);
	id result = ExecuteGetElementFromPointJavaScript(20, 20);
	ASSERT_TRUE([result isKindOfClass:[NSDictionary class]]);
	EXPECT_NSEQ(@"never", result[kContextMenuElementReferrerPolicy]);
	}

	// Tests that a callout information about a link is displayed when
	// -webkit-touch-callout property is not specified. Please see:
	// https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
	TEST_F(ContextMenuJsTest, LinkOfTextWithoutCalloutProperty) {
	const char kLinkHtml[] = "<a href='%s'>link</a>";

	LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
	ExecuteJavaScript(@"document.getElementsByTagName('a')"); // Force layout.

	id result = ExecuteGetElementFromPointJavaScript(1, 1);
	NSDictionary* expected_result = @{
	kContextMenuElementInnerText : @"link",
	kContextMenuElementReferrerPolicy : @"default",
	kContextMenuElementHyperlink : @"http://destination/",
	};
	EXPECT_NSEQ(expected_result, result);
	}

	// Tests that a callout information about a link is displayed when
	// -webkit-touch-callout property is set to default. Please see:
	// https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
	TEST_F(ContextMenuJsTest, LinkOfTextWithCalloutDefault) {
	const char kLinkHtml[] =
	"<a href='%s' style='-webkit-touch-callout:default;'>link</a>";

	LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
	ExecuteJavaScript(@"document.getElementsByTagName('a')"); // Force layout.

	id result = ExecuteGetElementFromPointJavaScript(1, 1);
	NSDictionary* expected_result = @{
	kContextMenuElementInnerText : @"link",
	kContextMenuElementReferrerPolicy : @"default",
	kContextMenuElementHyperlink : @"http://destination/",
	};
	EXPECT_NSEQ(expected_result, result);
	}

	// Tests that no callout information about a link is displayed when
	// -webkit-touch-callout property is set to none. Please see:
	// https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
	TEST_F(ContextMenuJsTest, LinkOfTextWithCalloutNone) {
	const char kLinkHtml[] =
	"<a href='%s' style='-webkit-touch-callout:none;'>link</a>";

	LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
	ExecuteJavaScript(@"document.getElementsByTagName('a')"); // Force layout.

	id result = ExecuteGetElementFromPointJavaScript(1, 1);
	EXPECT_NSEQ(@{}, result);
	}

	// Tests that -webkit-touch-callout property can be inherited from ancester if
	// it's not specified. Please see:
	// https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
	TEST_F(ContextMenuJsTest, LinkOfTextWithCalloutFromAncester) {
	const char kLinkHtml[] =
	"<body style='-webkit-touch-callout: none'>"
	" <a href='%s'>link</a>"
	"</body>";

	LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
	ExecuteJavaScript(@"document.getElementsByTagName('a')"); // Force layout.

	id result = ExecuteGetElementFromPointJavaScript(1, 1);
	EXPECT_NSEQ(@{}, result);
	}

	// Tests that setting -webkit-touch-callout property can override the value
	// inherited from ancester. Please see:
	// https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-touch-callout
	TEST_F(ContextMenuJsTest, LinkOfTextWithCalloutOverride) {
	const char kLinkHtml[] =
	"<body style='-webkit-touch-callout: none'>"
	" <a href='%s' style='-webkit-touch-callout: default'>link</a>"
	"</body>";

	LoadHtml(base::StringPrintf(kLinkHtml, "http://destination"));
	ExecuteJavaScript(@"document.getElementsByTagName('a')"); // Force layout.

	id result = ExecuteGetElementFromPointJavaScript(1, 1);
	NSDictionary* expected_result = @{
	kContextMenuElementInnerText : @"link",
	kContextMenuElementReferrerPolicy : @"default",
	kContextMenuElementHyperlink : @"http://destination/",
	};
	EXPECT_NSEQ(expected_result, result);
	}

	} // namespace web