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Diffstat (limited to 'accessible/tests/mochitest/treeupdate/test_whitespace.html')
| -rw-r--r-- | accessible/tests/mochitest/treeupdate/test_whitespace.html | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/accessible/tests/mochitest/treeupdate/test_whitespace.html b/accessible/tests/mochitest/treeupdate/test_whitespace.html new file mode 100644 index 0000000000..7d2062387f --- /dev/null +++ b/accessible/tests/mochitest/treeupdate/test_whitespace.html @@ -0,0 +1,200 @@ +<!DOCTYPE html> +<html> + +<head> + <title>Whitespace text accessible creation/destruction</title> + + <link rel="stylesheet" type="text/css" + href="chrome://mochikit/content/tests/SimpleTest/test.css" /> + + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> + + <script type="application/javascript" + src="../common.js"></script> + <script type="application/javascript" + src="../role.js"></script> + <script type="application/javascript" + src="../events.js"></script> + + <script type="application/javascript"> + + // ////////////////////////////////////////////////////////////////////////// + // Invokers + + /** + * Middle image accessible removal results in text accessible removal. + * + * Before: + * DOM: whitespace img1 whitespace img2 whitespace img3 whitespace, + * a11y: img1 whitespace img2 whitespace img3 + * After: + * DOM: whitespace img1 whitespace whitespace img3 whitespace, + * a11y: img1 whitespace img3 + */ + function removeImg() { + this.containerNode = getNode("container1"); + this.imgNode = getNode("img1"); + this.img = getAccessible(this.imgNode); + this.text = this.img.nextSibling; + + this.eventSeq = [ + new invokerChecker(EVENT_HIDE, this.img), + new invokerChecker(EVENT_HIDE, this.text), + new invokerChecker(EVENT_REORDER, this.containerNode), + ]; + + this.finalCheck = function textLeafUpdate_finalCheck() { + var tree = + { SECTION: [ + { GRAPHIC: [] }, + { TEXT_LEAF: [] }, + { GRAPHIC: [] }, + ] }; + + testAccessibleTree(this.containerNode, tree); + }; + + this.invoke = function setOnClickAttr_invoke() { + var tree = + { SECTION: [ + { GRAPHIC: [] }, + { TEXT_LEAF: [] }, + { GRAPHIC: [] }, + { TEXT_LEAF: [] }, + { GRAPHIC: [] }, + ] }; + + testAccessibleTree(this.containerNode, tree); + + this.containerNode.removeChild(this.imgNode); + }; + + this.getID = function setOnClickAttr_getID() { + return "remove middle img"; + }; + } + + /** + * Append image making the whitespace visible and thus accessible. + * Note: images and whitespaces are on different leves of accessible trees, + * so that image container accessible update doesn't update the tree + * of whitespace container. + * + * Before: + * DOM: whitespace emptylink whitespace linkwithimg whitespace + * a11y: emptylink linkwithimg + * After: + * DOM: whitespace linkwithimg whitespace linkwithimg whitespace + * a11y: linkwithimg whitespace linkwithimg + */ + function insertImg() { + this.containerNode = getNode("container2"); + this.topNode = this.containerNode.parentNode; + this.textNode = this.containerNode.nextSibling; + this.imgNode = document.createElement("img"); + this.imgNode.setAttribute("src", "../moz.png"); + + this.eventSeq = [ + new asyncInvokerChecker(EVENT_SHOW, getAccessible, this.textNode), + new asyncInvokerChecker(EVENT_SHOW, getAccessible, this.imgNode), + new orderChecker(), + new invokerChecker(EVENT_REORDER, this.topNode), + ]; + + this.invoke = function insertImg_invoke() { + var tree = + { SECTION: [ + { LINK: [] }, + { LINK: [ + { GRAPHIC: [] }, + ] }, + ] }; + + testAccessibleTree(this.topNode, tree); + + this.containerNode.appendChild(this.imgNode); + }; + + this.finalCheck = function insertImg_finalCheck() { + var tree = + { SECTION: [ + { LINK: [ + { GRAPHIC: [ ] }, + ] }, + { TEXT_LEAF: [ ] }, + { LINK: [ + { GRAPHIC: [ ] }, + ] }, + ] }; + + testAccessibleTree(this.topNode, tree); + }; + + this.getID = function appendImg_getID() { + return "insert img into internal container"; + }; + } + + function dontCreateMapWhiteSpace() { + const tree = { SECTION: [ { role: ROLE_TEXT_LEAF, name: "x" } ] }; + testAccessibleTree("container3", tree); + + getNode("c3_inner").style.textAlign = "center"; + document.body.offsetTop; // Flush layout. + window.windowUtils.advanceTimeAndRefresh(100); + + testAccessibleTree("container3", tree); + window.windowUtils.restoreNormalRefresh(); + } + + // ////////////////////////////////////////////////////////////////////////// + // Test + + // gA11yEventDumpID = "eventdump"; // debug stuff + // gA11yEventDumpToConsole = true; + + var gQueue = null; + + function doTest() { + dontCreateMapWhiteSpace(); + + gQueue = new eventQueue(); + + gQueue.push(new removeImg()); + gQueue.push(new insertImg()); + + gQueue.invoke(); // SimpleTest.finish() will be called in the end + } + + SimpleTest.waitForExplicitFinish(); + addA11yLoadEvent(doTest); + </script> +</head> +<body> + + <a target="_blank" + title="Make sure accessible tree is correct when rendered text is changed" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=625652"> + Mozilla Bug 625652 + </a> + + <p id="display"></p> + <div id="content" style="display: none"></div> + <pre id="test"> + </pre> + + <!-- Whitespace between the div and img tags will be inconsistent depending + on the image cache state and what optimizations layout was able to + apply. --> + <div id="container1"><img src="../moz.png"> <img id="img1" src="../moz.png"> <img src="../moz.png"></div> + <div><a id="container2" href=""></a> <a href=""><img src="../moz.png"></a></div> + + <div id="container3"> + <div id="c3_inner" role="presentation"> + x<map> </map> + </div> + </div> + + <div id="eventdump"></div> +</body> +</html> |