scroll-to-the-fragment-in-shadow-tree.html (6240B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <title>Shadow DOM: The indicated part of the document should not match an element inside a shadow tree</title> 5 <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> 6 <meta name="assert" content="An element inside a shadow tree should not be the indicated part of the document even if its ID is exactly equal to the decoded fragid or its name attribute is exactly equal to the fragid"> 7 <link rel="help" href="https://html.spec.whatwg.org/multipage/browsers.html#scroll-to-the-fragment-identifier"> 8 <meta name="viewport" content="width=device-width,initial-scale=1"> 9 <script src="/resources/testharness.js"></script> 10 <script src="/resources/testharnessreport.js"></script> 11 </head> 12 <body> 13 <div id="log"></div> 14 <div id="testContainer"></div> 15 <script> 16 17 var tests = [ 18 {test: async_test('The user agent scroll to the fragment when there is an element with an ID exactly equal to the decoded fragid'), 19 execute: testScrollingToElementInDocumentTree.bind(this, 'div')}, 20 {test: async_test('The user agent scroll to the fragment when there is an anchor element with a name attribute exactly equal to the decoded fragid'), 21 execute: testScrollingToElementInDocumentTree.bind(this, 'a')}, 22 23 {test: async_test('The user agent should not scroll to an element with an ID exactly equal to the decoded fragid in an open shadow tree'), 24 execute: testScrollingToElementInShadowTree.bind(this, 'div', 'open')}, 25 {test: async_test('The user agent should not scroll to an element with an ID exactly equal to the decoded fragid in a closed shadow tree'), 26 execute: testScrollingToElementInShadowTree.bind(this, 'div', 'closed')}, 27 {test: async_test('The user agent should not scroll to an anchor element with a name attribute exactly equal to the decoded fragid in an open shadow tree'), 28 execute: testScrollingToElementInShadowTree.bind(this, 'a', 'open')}, 29 {test: async_test('The user agent should not scroll to an anchor element with a name attribute exactly equal to the decoded fragid in a closed shadow tree'), 30 execute: testScrollingToElementInShadowTree.bind(this, 'a', 'closed')}, 31 32 {test: async_test('The user agent should scroll to an element with an ID exactly equal to the decoded fragid in the document tree' 33 + ' even if there was another element with the same ID inside an open shadow tree earlier in tree order'), 34 execute: testScrollingToElementInDocumentTreeAfterElementInShadowTreeWithSameID.bind(this, 'div', 'open')}, 35 {test: async_test('The user agent should scroll to an element with an ID exactly equal to the decoded fragid in the document tree' 36 + ' even if there was another element with the same ID inside a closed shadow tree earlier in tree order'), 37 execute: testScrollingToElementInDocumentTreeAfterElementInShadowTreeWithSameID.bind(this, 'div', 'closed')}, 38 {test: async_test('The user agent should scroll to an anchor element with a name attribute exactly equal to the decoded fragid in the document tree' 39 + ' even if there was another element with the same ID inside an open shadow tree earlier in tree order'), 40 execute: testScrollingToElementInDocumentTreeAfterElementInShadowTreeWithSameID.bind(this, 'a', 'open')}, 41 {test: async_test('The user agent should scroll to an anchor element with a name attribute exactly equal to the decoded fragid in the document tree' 42 + ' even if there was another element with the same ID inside a closed shadow tree earlier in tree order'), 43 execute: testScrollingToElementInDocumentTreeAfterElementInShadowTreeWithSameID.bind(this, 'a', 'closed')}, 44 ]; 45 46 function executeNextTest() 47 { 48 window.scrollTo(0, 0); 49 50 currentFragIdSuffix++; 51 var nextTest = tests.shift(); 52 if (!nextTest) 53 return; 54 setTimeout(function () { 55 nextTest.execute(nextTest.test); 56 }, 0); 57 } 58 59 var testContainer = document.getElementById('testContainer'); 60 var currentFragIdSuffix = 0; 61 62 function tallElementMarkup() 63 { 64 return '<div style="height: ' + (window.innerHeight * 2) + 'px"><a href="#fragid' + currentFragIdSuffix + '">Go to fragment</a></div>'; 65 } 66 67 function targetMarkup(elementType) 68 { 69 return elementType == 'div' ? ('<div id="fragid' + currentFragIdSuffix + '">hello</div>') : ('<a name="fragid' + currentFragIdSuffix + '">hello</a>'); 70 } 71 72 function clickFirstAnchorAndRunStep(test, step) 73 { 74 setTimeout(function () { 75 testContainer.querySelector('a').click(); 76 setTimeout(function () { 77 test.step(step); 78 testContainer.innerHTML = ''; 79 test.done(); 80 executeNextTest(); 81 }, 0); 82 }, 0); 83 } 84 85 function testScrollingToElementInDocumentTree(elementType, test) 86 { 87 test.step(function () { 88 testContainer.innerHTML = tallElementMarkup() + targetMarkup(elementType); 89 assert_equals(window.pageYOffset, 0); 90 }); 91 clickFirstAnchorAndRunStep(test, function () { 92 assert_not_equals(window.pageYOffset, 0); 93 }); 94 } 95 96 function testScrollingToElementInShadowTree(elementType, mode, test) 97 { 98 test.step(function () { 99 testContainer.innerHTML = tallElementMarkup() + '<div id="host"></div>'; 100 var host = document.querySelector('#host'); 101 var shadowRoot = host.attachShadow({mode: mode}); 102 shadowRoot.innerHTML = targetMarkup(elementType); 103 assert_equals(window.pageYOffset, 0); 104 }); 105 clickFirstAnchorAndRunStep(test, function () { 106 assert_equals(window.pageYOffset, 0); 107 }); 108 } 109 110 function testScrollingToElementInDocumentTreeAfterElementInShadowTreeWithSameID(elementType, mode, test) 111 { 112 test.step(function () { 113 testContainer.innerHTML = tallElementMarkup() + '<div id="host"></div>' + tallElementMarkup() + targetMarkup(elementType); 114 var host = document.querySelector('#host'); 115 var shadowRoot = host.attachShadow({mode: mode}); 116 shadowRoot.innerHTML = targetMarkup(elementType); 117 assert_equals(window.pageYOffset, 0); 118 }); 119 clickFirstAnchorAndRunStep(test, function () { 120 assert_true(window.pageYOffset > testContainer.querySelector('#host').offsetTop); 121 }); 122 } 123 124 executeNextTest(); 125 126 </script> 127 </body> 128 </html>