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diff --git a/accessible/tests/mochitest/events/test_text_alg.html b/accessible/tests/mochitest/events/test_text_alg.html new file mode 100644 index 0000000000..f9b55c8b23 --- /dev/null +++ b/accessible/tests/mochitest/events/test_text_alg.html @@ -0,0 +1,249 @@ +<html> + +<head> + <title>Accessible text update algorithm testing</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 src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script> + + <script type="application/javascript" + src="../common.js"></script> + <script type="application/javascript" + src="../events.js"></script> + + <script type="application/javascript"> + // ////////////////////////////////////////////////////////////////////////// + // Invokers + + const kRemoval = false; + const kInsertion = true; + const kUnexpected = true; + + function changeText(aContainerID, aValue, aEventList) { + this.containerNode = getNode(aContainerID); + this.textNode = this.containerNode.firstChild; + this.textData = this.textNode.data; + + this.eventSeq = [ ]; + this.unexpectedEventSeq = [ ]; + + for (var i = 0; i < aEventList.length; i++) { + var event = aEventList[i]; + + var isInserted = event[0]; + var str = event[1]; + var offset = event[2]; + var checker = new textChangeChecker(this.containerNode, offset, + offset + str.length, str, + isInserted); + + if (event[3] == kUnexpected) + this.unexpectedEventSeq.push(checker); + else + this.eventSeq.push(checker); + } + + this.invoke = function changeText_invoke() { + this.textNode.data = aValue; + }; + + this.getID = function changeText_getID() { + return "change text '" + shortenString(this.textData) + "' -> '" + + shortenString(this.textNode.data) + "' for " + + prettyName(this.containerNode); + }; + } + + function expStr(x, doublings) { + for (var i = 0; i < doublings; ++i) + x = x + x; + return x; + } + + // ////////////////////////////////////////////////////////////////////////// + // Do tests + + // gA11yEventDumpID = "eventdump"; // debug stuff + // gA11yEventDumpToConsole = true; + + var gQueue = null; + function doTests() { + gQueue = new eventQueue(); + + // //////////////////////////////////////////////////////////////////////// + // wqrema -> tqb: substitution coalesced with removal + + var events = [ + [ kRemoval, "w", 0 ], // wqrema -> qrema + [ kInsertion, "t", 0], // qrema -> tqrema + [ kRemoval, "rema", 2 ], // tqrema -> tq + [ kInsertion, "b", 2], // tq -> tqb + ]; + gQueue.push(new changeText("p1", "tqb", events)); + + // //////////////////////////////////////////////////////////////////////// + // b -> insa: substitution coalesced with insertion (complex substitution) + + events = [ + [ kRemoval, "b", 0 ], // b -> + [ kInsertion, "insa", 0], // -> insa + ]; + gQueue.push(new changeText("p2", "insa", events)); + + // //////////////////////////////////////////////////////////////////////// + // abc -> def: coalesced substitutions + + events = [ + [ kRemoval, "abc", 0 ], // abc -> + [ kInsertion, "def", 0], // -> def + ]; + gQueue.push(new changeText("p3", "def", events)); + + // //////////////////////////////////////////////////////////////////////// + // abcabc -> abcDEFabc: coalesced insertions + + events = [ + [ kInsertion, "DEF", 3], // abcabc -> abcDEFabc + ]; + gQueue.push(new changeText("p4", "abcDEFabc", events)); + + // //////////////////////////////////////////////////////////////////////// + // abc -> defabc: insertion into begin + + events = [ + [ kInsertion, "def", 0], // abc -> defabc + ]; + gQueue.push(new changeText("p5", "defabc", events)); + + // //////////////////////////////////////////////////////////////////////// + // abc -> abcdef: insertion into end + + events = [ + [ kInsertion, "def", 3], // abc -> abcdef + ]; + gQueue.push(new changeText("p6", "abcdef", events)); + + // //////////////////////////////////////////////////////////////////////// + // defabc -> abc: removal from begin + + events = [ + [ kRemoval, "def", 0], // defabc -> abc + ]; + gQueue.push(new changeText("p7", "abc", events)); + + // //////////////////////////////////////////////////////////////////////// + // abcdef -> abc: removal from the end + + events = [ + [ kRemoval, "def", 3], // abcdef -> abc + ]; + gQueue.push(new changeText("p8", "abc", events)); + + // //////////////////////////////////////////////////////////////////////// + // abcDEFabc -> abcabc: coalesced removals + + events = [ + [ kRemoval, "DEF", 3], // abcDEFabc -> abcabc + ]; + gQueue.push(new changeText("p9", "abcabc", events)); + + // //////////////////////////////////////////////////////////////////////// + // !abcdef@ -> @axbcef!: insertion, deletion and substitutions + + events = [ + [ kRemoval, "!", 0 ], // !abcdef@ -> abcdef@ + [ kInsertion, "@", 0], // abcdef@ -> @abcdef@ + [ kInsertion, "x", 2 ], // @abcdef@ -> @axbcdef@ + [ kRemoval, "d", 5], // @axbcdef@ -> @axbcef@ + [ kRemoval, "@", 7 ], // @axbcef@ -> @axbcef + [ kInsertion, "!", 7 ], // @axbcef -> @axbcef! + ]; + gQueue.push(new changeText("p10", "@axbcef!", events)); + + // //////////////////////////////////////////////////////////////////////// + // meilenstein -> levenshtein: insertion, complex and simple substitutions + + events = [ + [ kRemoval, "m", 0 ], // meilenstein -> eilenstein + [ kInsertion, "l", 0], // eilenstein -> leilenstein + [ kRemoval, "il", 2 ], // leilenstein -> leenstein + [ kInsertion, "v", 2], // leenstein -> levenstein + [ kInsertion, "h", 6 ], // levenstein -> levenshtein + ]; + gQueue.push(new changeText("p11", "levenshtein", events)); + + // //////////////////////////////////////////////////////////////////////// + // long strings, remove/insert pair as the old string was replaced on + // new one + + var longStr1 = expStr("x", 16); + var longStr2 = expStr("X", 16); + + var newStr = "a" + longStr1 + "b", insStr = longStr1, rmStr = ""; + events = [ + [ kRemoval, rmStr, 1, kUnexpected ], + [ kInsertion, insStr, 1 ], + ]; + gQueue.push(new changeText("p12", newStr, events)); + + newStr = "a" + longStr2 + "b"; + insStr = longStr2; + rmStr = longStr1; + events = [ + [ kRemoval, rmStr, 1 ], + [ kInsertion, insStr, 1], + ]; + gQueue.push(new changeText("p12", newStr, events)); + + newStr = "ab"; + insStr = ""; + rmStr = longStr2; + events = [ + [ kRemoval, rmStr, 1 ], + [ kInsertion, insStr, 1, kUnexpected ], + ]; + gQueue.push(new changeText("p12", newStr, events)); + + gQueue.invoke(); // Will call SimpleTest.finish(); + } + + SimpleTest.waitForExplicitFinish(); + addA11yLoadEvent(doTests); + </script> +</head> + +<body> + + <a target="_blank" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=626660" + title="Cache rendered text on a11y side"> + Mozilla Bug 626660 + </a> + <br> + + <p id="display"></p> + <div id="content" style="display: none"></div> + <pre id="test"> + </pre> + <div id="eventdump"></div> + + <!-- Note: only editable text gets diffed this way. --> + <div contenteditable="true"> + <p id="p1">wqrema</p> + <p id="p2">b</p> + <p id="p3">abc</p> + <p id="p4">abcabc</p> + <p id="p5">abc</p> + <p id="p6">abc</p> + <p id="p7">defabc</p> + <p id="p8">abcdef</p> + <p id="p9">abcDEFabc</p> + <p id="p10">!abcdef@</p> + <p id="p11">meilenstein</p> + <p id="p12">ab</p> + </div> +</body> +</html> |