Tools/TestWebKitAPI/Tests/ios/AccessibilityTestsIOS.mm - WebKit - Git at Google

 /*
  * Copyright (C) 2017 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.
  */

 #include "config.h"

 #if PLATFORM(IOS_FAMILY)

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

 @implementation WKWebView (WKAccessibilityTesting)
 - (NSArray<NSValue *> *)rectsAtSelectionOffset:(NSInteger)offset withText:(NSString *)text
 {
     __block RetainPtr<NSArray> selectionRects;
     __block bool done = false;
     [self _accessibilityRetrieveRectsAtSelectionOffset:offset withText:text completionHandler:^(NSArray<NSValue *> *rects) {
         selectionRects = rects;
         done = true;
     }];
     TestWebKitAPI::Util::run(&done);
     return selectionRects.autorelease();
 }
 @end

 static void checkCGRectValueAtIndex(NSArray<NSValue *> *rectValues, CGRect expectedRect, NSUInteger index)
 {
     EXPECT_LT(index, rectValues.count);
     auto observedRect = [rectValues[index] CGRectValue];
     EXPECT_EQ(expectedRect.origin.x, observedRect.origin.x);
     EXPECT_EQ(expectedRect.origin.y, observedRect.origin.y);
     EXPECT_EQ(expectedRect.size.width, observedRect.size.width);
     EXPECT_EQ(expectedRect.size.height, observedRect.size.height);
 }

 namespace TestWebKitAPI {

 TEST(AccessibilityTests, RectsForSpeakingSelectionBasic)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
     [webView synchronouslyLoadHTMLString:@"<meta name='viewport' content='width=device-width,initial-scale=1'><span id='first'>first</span><span id='second'> second</span><br><span id='third'> third</span>"];
     [webView stringByEvaluatingJavaScript:@"document.execCommand('SelectAll')"];

     checkCGRectValueAtIndex([webView rectsAtSelectionOffset:0 withText:@"first"], CGRectMake(8, 8, 26, 19), 0);
     checkCGRectValueAtIndex([webView rectsAtSelectionOffset:6 withText:@"second"], CGRectMake(37, 8, 46, 19), 0);
     checkCGRectValueAtIndex([webView rectsAtSelectionOffset:13 withText:@"third"], CGRectMake(8, 27, 31, 20), 0);
 }

 TEST(AccessibilityTests, RectsForSpeakingSelectionWithLineWrapping)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
     [webView synchronouslyLoadHTMLString:@"<meta name='viewport' content='width=device-width,initial-scale=1'><body style='font-size: 100px; word-wrap: break-word'><span id='text'>abcdefghijklmnopqrstuvwxyz</span></body>"];
     [webView stringByEvaluatingJavaScript:@"document.execCommand('SelectAll')"];

     NSArray<NSValue *> *rects = [webView rectsAtSelectionOffset:0 withText:@"abcdefghijklmnopqrstuvwxyz"];
     checkCGRectValueAtIndex(rects, CGRectMake(8, 8, 304, 114), 0);
     checkCGRectValueAtIndex(rects, CGRectMake(8, 122, 304, 117), 1);
     checkCGRectValueAtIndex(rects, CGRectMake(8, 239, 304, 117), 2);
     checkCGRectValueAtIndex(rects, CGRectMake(8, 356, 304, 117), 3);
     checkCGRectValueAtIndex(rects, CGRectMake(8, 473, 145, 117), 4);
 }

 TEST(AccessibilityTests, RectsForSpeakingSelectionDoNotCrashWhenChangingSelection)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
     [webView synchronouslyLoadHTMLString:@"<meta name='viewport' content='width=device-width,initial-scale=1'><span id='first'>first</span><span id='second'> second</span><br><span id='third'> third</span>"];

     [webView stringByEvaluatingJavaScript:@"getSelection().setBaseAndExtent(third, 0, third, 1)"];
     EXPECT_EQ(0UL, [webView rectsAtSelectionOffset:13 withText:@"third"].count);
     EXPECT_WK_STREQ("third", [webView stringByEvaluatingJavaScript:@"getSelection().toString()"]);

     [webView stringByEvaluatingJavaScript:@"getSelection().removeAllRanges()"];
     EXPECT_EQ(0UL, [webView rectsAtSelectionOffset:13 withText:@"third"].count);
     EXPECT_WK_STREQ("", [webView stringByEvaluatingJavaScript:@"getSelection().toString()"]);
 }

 TEST(AccessibilityTests, StoreSelection)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
     [webView synchronouslyLoadHTMLString:@"<meta name='viewport' content='width=device-width,initial-scale=1'><span id='first'>first</span><br><span id='second'>first</span>"];

     // Select first node and store the selection
     [webView stringByEvaluatingJavaScript:@"getSelection().setBaseAndExtent(first, 0, first, 1)"];
     [webView _accessibilityStoreSelection];
     checkCGRectValueAtIndex([webView rectsAtSelectionOffset:0 withText:@"first"], CGRectMake(8, 8, 26, 19), 0);
     // Now select the second node, we should use the stored selection to retrieve rects
     [webView stringByEvaluatingJavaScript:@"getSelection().setBaseAndExtent(second, 0, second, 1)"];
     checkCGRectValueAtIndex([webView rectsAtSelectionOffset:0 withText:@"first"], CGRectMake(8, 8, 26, 19), 0);

     // Clear the stored selection, we should use the current selection to retrieve rects
     [webView _accessibilityClearSelection];
     checkCGRectValueAtIndex([webView rectsAtSelectionOffset:0 withText:@"first"], CGRectMake(8, 27, 26, 20), 0);
 }

 } // namespace TestWebKitAPI

 #endif // PLATFORM(IOS_FAMILY)
	/*
	* Copyright (C) 2017 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.
	*/

	#include "config.h"

	#if PLATFORM(IOS_FAMILY)

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

	@implementation WKWebView (WKAccessibilityTesting)
	- (NSArray<NSValue > )rectsAtSelectionOffset:(NSInteger)offset withText:(NSString *)text
	{
	__block RetainPtr<NSArray> selectionRects;
	__block bool done = false;
	[self _accessibilityRetrieveRectsAtSelectionOffset:offset withText:text completionHandler:^(NSArray<NSValue > rects) {
	selectionRects = rects;
	done = true;
	}];
	TestWebKitAPI::Util::run(&done);
	return selectionRects.autorelease();
	}
	@end

	static void checkCGRectValueAtIndex(NSArray<NSValue > rectValues, CGRect expectedRect, NSUInteger index)
	{
	EXPECT_LT(index, rectValues.count);
	auto observedRect = [rectValues[index] CGRectValue];
	EXPECT_EQ(expectedRect.origin.x, observedRect.origin.x);
	EXPECT_EQ(expectedRect.origin.y, observedRect.origin.y);
	EXPECT_EQ(expectedRect.size.width, observedRect.size.width);
	EXPECT_EQ(expectedRect.size.height, observedRect.size.height);
	}

	namespace TestWebKitAPI {

	TEST(AccessibilityTests, RectsForSpeakingSelectionBasic)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
	[webView synchronouslyLoadHTMLString:@"<meta name='viewport' content='width=device-width,initial-scale=1'><span id='first'>first</span><span id='second'> second</span><br><span id='third'> third</span>"];
	[webView stringByEvaluatingJavaScript:@"document.execCommand('SelectAll')"];

	checkCGRectValueAtIndex([webView rectsAtSelectionOffset:0 withText:@"first"], CGRectMake(8, 8, 26, 19), 0);
	checkCGRectValueAtIndex([webView rectsAtSelectionOffset:6 withText:@"second"], CGRectMake(37, 8, 46, 19), 0);
	checkCGRectValueAtIndex([webView rectsAtSelectionOffset:13 withText:@"third"], CGRectMake(8, 27, 31, 20), 0);
	}

	TEST(AccessibilityTests, RectsForSpeakingSelectionWithLineWrapping)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
	[webView synchronouslyLoadHTMLString:@"<meta name='viewport' content='width=device-width,initial-scale=1'><body style='font-size: 100px; word-wrap: break-word'><span id='text'>abcdefghijklmnopqrstuvwxyz</span></body>"];
	[webView stringByEvaluatingJavaScript:@"document.execCommand('SelectAll')"];

	NSArray<NSValue > rects = [webView rectsAtSelectionOffset:0 withText:@"abcdefghijklmnopqrstuvwxyz"];
	checkCGRectValueAtIndex(rects, CGRectMake(8, 8, 304, 114), 0);
	checkCGRectValueAtIndex(rects, CGRectMake(8, 122, 304, 117), 1);
	checkCGRectValueAtIndex(rects, CGRectMake(8, 239, 304, 117), 2);
	checkCGRectValueAtIndex(rects, CGRectMake(8, 356, 304, 117), 3);
	checkCGRectValueAtIndex(rects, CGRectMake(8, 473, 145, 117), 4);
	}

	TEST(AccessibilityTests, RectsForSpeakingSelectionDoNotCrashWhenChangingSelection)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
	[webView synchronouslyLoadHTMLString:@"<meta name='viewport' content='width=device-width,initial-scale=1'><span id='first'>first</span><span id='second'> second</span><br><span id='third'> third</span>"];

	[webView stringByEvaluatingJavaScript:@"getSelection().setBaseAndExtent(third, 0, third, 1)"];
	EXPECT_EQ(0UL, [webView rectsAtSelectionOffset:13 withText:@"third"].count);
	EXPECT_WK_STREQ("third", [webView stringByEvaluatingJavaScript:@"getSelection().toString()"]);

	[webView stringByEvaluatingJavaScript:@"getSelection().removeAllRanges()"];
	EXPECT_EQ(0UL, [webView rectsAtSelectionOffset:13 withText:@"third"].count);
	EXPECT_WK_STREQ("", [webView stringByEvaluatingJavaScript:@"getSelection().toString()"]);
	}

	TEST(AccessibilityTests, StoreSelection)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
	[webView synchronouslyLoadHTMLString:@"<meta name='viewport' content='width=device-width,initial-scale=1'><span id='first'>first</span><br><span id='second'>first</span>"];

	// Select first node and store the selection
	[webView stringByEvaluatingJavaScript:@"getSelection().setBaseAndExtent(first, 0, first, 1)"];
	[webView _accessibilityStoreSelection];
	checkCGRectValueAtIndex([webView rectsAtSelectionOffset:0 withText:@"first"], CGRectMake(8, 8, 26, 19), 0);
	// Now select the second node, we should use the stored selection to retrieve rects
	[webView stringByEvaluatingJavaScript:@"getSelection().setBaseAndExtent(second, 0, second, 1)"];
	checkCGRectValueAtIndex([webView rectsAtSelectionOffset:0 withText:@"first"], CGRectMake(8, 8, 26, 19), 0);

	// Clear the stored selection, we should use the current selection to retrieve rects
	[webView _accessibilityClearSelection];
	checkCGRectValueAtIndex([webView rectsAtSelectionOffset:0 withText:@"first"], CGRectMake(8, 27, 26, 20), 0);
	}

	} // namespace TestWebKitAPI

	#endif // PLATFORM(IOS_FAMILY)