LayoutTests/fast/events/scroll-event-handler-count.html - Issue 679863002: Revert "Prepare blink to unify definitions of load completion"

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Issue 679863002: Revert "Prepare blink to unify definitions of load completion" (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 6 years, 1 month ago

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1 <div id="scrolltarget">	1 <div id="scrolltarget">

2 <script src="../../resources/js-test.js"></script>	2 <script src="../../resources/js-test.js"></script>

3 <script>	3 <script>

4 description('This test checks that we correctly update the scroll event handler count as event handlers are added and removed');	4 description('This test checks that we correctly update the scroll event handler count as event handlers are added and removed');

5 (function() {	5 (function() {

6 // Test addEventListener/removeEventListener on the document.	6 // Test addEventListener/removeEventListener on the document.

7 var listener = function() { }	7 var listener = function() { }

8	8

9 shouldBe('window.internals.scrollEventHandlerCount(document)', '0');	9 shouldBe('window.internals.scrollEventHandlerCount(document)', '0');

10 document.addEventListener('scroll', listener, true);	10 document.addEventListener('scroll', listener, true);

(...skipping 105 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
116 var div = document.createElement('div');	116 var div = document.createElement('div');

117 div.addEventListener('scroll', function() { });	117 div.addEventListener('scroll', function() { });

118 document.body.appendChild(div);	118 document.body.appendChild(div);

119	119

120 var iframe = document.createElement('iframe');	120 var iframe = document.createElement('iframe');

121 div.appendChild(iframe);	121 div.appendChild(iframe);

122 var nestedDocument = iframe.contentWindow.document;	122 var nestedDocument = iframe.contentWindow.document;

123 nestedDocument.open('text/html', 'replace');	123 nestedDocument.open('text/html', 'replace');

124 nestedDocument.write('<!DOCTYPE html>\n<script>\ndocument.onscroll=function( ){};\n' +	124 nestedDocument.write('<!DOCTYPE html>\n<script>\ndocument.onscroll=function( ){};\n' +

125 'window.onscroll=function(){};</' + 'script>\n');	125 'window.onscroll=function(){};</' + 'script>\n');

126 nestedDocument.close();

127	126

128 shouldBe('window.internals.scrollEventHandlerCount(document)', '3');	127 shouldBe('window.internals.scrollEventHandlerCount(document)', '3');

129	128

130 var unattachedDoc = document.implementation.createHTMLDocument('');	129 var unattachedDoc = document.implementation.createHTMLDocument('');

131 unattachedDoc.body.appendChild(div);	130 unattachedDoc.body.appendChild(div);

132 shouldBe('window.internals.scrollEventHandlerCount(document)', '0');	131 shouldBe('window.internals.scrollEventHandlerCount(document)', '0');

133 })();	132 })();

134	133

135 debug('Test moving a scroll event listener between documents belonging to the sa me page');	134 debug('Test moving a scroll event listener between documents belonging to the sa me page');

136 (function() {	135 (function() {

137 var iframe = document.createElement('iframe');	136 var iframe = document.createElement('iframe');

138 document.body.appendChild(iframe);	137 document.body.appendChild(iframe);

139 var nestedDocument = iframe.contentWindow.document;	138 var nestedDocument = iframe.contentWindow.document;

140 nestedDocument.open('text/html', 'replace');	139 nestedDocument.open('text/html', 'replace');

141 nestedDocument.write('<!DOCTYPE html><div id=foo></div>');	140 nestedDocument.write('<!DOCTYPE html><div id=foo></div>');

142 nestedDocument.close();

143	141

144 var element = frames[0].document.getElementById('foo');	142 var element = frames[0].document.getElementById('foo');

145 var listener = function() { }	143 var listener = function() { }

146 element.addEventListener('scroll', listener, false);	144 element.addEventListener('scroll', listener, false);

147 frames[0].window.addEventListener('scroll', listener, false);	145 frames[0].window.addEventListener('scroll', listener, false);

148 shouldBe('window.internals.scrollEventHandlerCount(document)', '2');	146 shouldBe('window.internals.scrollEventHandlerCount(document)', '2');

149	147

150 document.body.appendChild(element);	148 document.body.appendChild(element);

151 shouldBe('window.internals.scrollEventHandlerCount(document)', '2');	149 shouldBe('window.internals.scrollEventHandlerCount(document)', '2');

152	150

(...skipping 27 matching lines...) Expand all Loading...
180 shouldBe('window.internals.scrollEventHandlerCount(document)', '0');	178 shouldBe('window.internals.scrollEventHandlerCount(document)', '0');

181 window.onscroll = function() { }	179 window.onscroll = function() { }

182 shouldBe('window.internals.scrollEventHandlerCount(document)', '1');	180 shouldBe('window.internals.scrollEventHandlerCount(document)', '1');

183 window.onscroll = function() { }	181 window.onscroll = function() { }

184 shouldBe('window.internals.scrollEventHandlerCount(document)', '1');	182 shouldBe('window.internals.scrollEventHandlerCount(document)', '1');

185 window.onscroll = null;	183 window.onscroll = null;

186 shouldBe('window.internals.scrollEventHandlerCount(document)', '0');	184 shouldBe('window.internals.scrollEventHandlerCount(document)', '0');

187 })();	185 })();

188 </script>	186 </script>

189 </body>	187 </body>

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