2011-02-08 04:48:41 +00:00
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<html>
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<head>
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<title>Accessible text update algorithm testing</title>
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<link rel="stylesheet" type="text/css"
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href="chrome://mochikit/content/tests/SimpleTest/test.css" />
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<script type="application/javascript"
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src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript"
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src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
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<script type="application/javascript"
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src="../common.js"></script>
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<script type="application/javascript"
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src="../events.js"></script>
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<script type="application/javascript">
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////////////////////////////////////////////////////////////////////////////
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// Invokers
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const kRemoval = 0;
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const kInsertion = 1;
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2011-08-04 03:57:08 +00:00
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const kUnexpected = true;
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2011-02-08 04:48:41 +00:00
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function changeText(aContainerID, aValue, aEventList)
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{
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this.containerNode = getNode(aContainerID);
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this.textNode = this.containerNode.firstChild;
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this.textData = this.textNode.data;
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this.eventSeq = [ ];
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2011-08-04 03:57:08 +00:00
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this.unexpectedEventSeq = [ ];
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2011-02-08 04:48:41 +00:00
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for (var i = 0; i < aEventList.length; i++) {
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2011-08-04 03:57:08 +00:00
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var event = aEventList[i];
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var isInserted = event[0];
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var str = event[1];
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var offset = event[2];
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2011-02-08 04:48:41 +00:00
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var checker = new textChangeChecker(this.containerNode, offset,
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offset + str.length, str,
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isInserted);
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2011-08-04 03:57:08 +00:00
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2011-09-28 01:46:11 +00:00
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if (event[3] == kUnexpected)
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2011-08-04 03:57:08 +00:00
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this.unexpectedEventSeq.push(checker);
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else
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this.eventSeq.push(checker);
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2011-02-08 04:48:41 +00:00
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}
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this.invoke = function changeText_invoke()
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{
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this.textNode.data = aValue;
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}
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this.getID = function changeText_getID()
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{
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return "change text '" + this.textData + "' -> " + this.textNode.data +
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"for " + prettyName(this.containerNode);
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}
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}
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2011-08-04 03:57:08 +00:00
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function expStr(x, doublings)
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{
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for (var i = 0; i < doublings; ++i)
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x = x + x;
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return x;
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}
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2011-02-08 04:48:41 +00:00
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////////////////////////////////////////////////////////////////////////////
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// Do tests
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//gA11yEventDumpID = "eventdump"; // debug stuff
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//gA11yEventDumpToConsole = true;
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var gQueue = null;
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function doTests()
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{
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gQueue = new eventQueue();
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//////////////////////////////////////////////////////////////////////////
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// wqrema -> tqb: substitution coalesced with removal
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var events = [
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[ kRemoval, "w", 0 ], // wqrema -> qrema
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[ kInsertion, "t", 0], // qrema -> tqrema
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[ kRemoval, "rema", 2 ], // tqrema -> tq
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[ kInsertion, "b", 2] // tq -> tqb
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];
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gQueue.push(new changeText("p1", "tqb", events));
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//////////////////////////////////////////////////////////////////////////
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// b -> insa: substitution coalesced with insertion (complex substitution)
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events = [
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[ kRemoval, "b", 0 ], // b ->
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[ kInsertion, "insa", 0] // -> insa
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];
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gQueue.push(new changeText("p2", "insa", events));
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//////////////////////////////////////////////////////////////////////////
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// abc -> def: coalesced substitutions
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events = [
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[ kRemoval, "abc", 0 ], // abc ->
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[ kInsertion, "def", 0] // -> def
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];
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gQueue.push(new changeText("p3", "def", events));
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//////////////////////////////////////////////////////////////////////////
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// abcabc -> abcDEFabc: coalesced insertions
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events = [
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[ kInsertion, "DEF", 3] // abcabc -> abcDEFabc
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];
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gQueue.push(new changeText("p4", "abcDEFabc", events));
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//////////////////////////////////////////////////////////////////////////
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// abc -> defabc: insertion into begin
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events = [
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[ kInsertion, "def", 0] // abc -> defabc
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];
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gQueue.push(new changeText("p5", "defabc", events));
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//////////////////////////////////////////////////////////////////////////
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// abc -> abcdef: insertion into end
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events = [
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[ kInsertion, "def", 3] // abc -> abcdef
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];
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gQueue.push(new changeText("p6", "abcdef", events));
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//////////////////////////////////////////////////////////////////////////
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// defabc -> abc: removal from begin
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events = [
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[ kRemoval, "def", 0] // defabc -> abc
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];
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gQueue.push(new changeText("p7", "abc", events));
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//////////////////////////////////////////////////////////////////////////
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// abcdef -> abc: removal from the end
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events = [
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[ kRemoval, "def", 3] // abcdef -> abc
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];
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gQueue.push(new changeText("p8", "abc", events));
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//////////////////////////////////////////////////////////////////////////
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// abcDEFabc -> abcabc: coalesced removals
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events = [
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[ kRemoval, "DEF", 3] // abcDEFabc -> abcabc
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];
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gQueue.push(new changeText("p9", "abcabc", events));
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//////////////////////////////////////////////////////////////////////////
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// !abcdef@ -> @axbcef!: insertion, deletion and substitutions
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events = [
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[ kRemoval, "!", 0 ], // !abcdef@ -> abcdef@
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[ kInsertion, "@", 0], // abcdef@ -> @abcdef@
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[ kInsertion, "x", 2 ], // @abcdef@ -> @axbcdef@
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[ kRemoval, "d", 5], // @axbcdef@ -> @axbcef@
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[ kRemoval, "@", 7 ], // @axbcef@ -> @axbcef
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[ kInsertion, "!", 7 ], // @axbcef -> @axbcef!
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];
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gQueue.push(new changeText("p10", "@axbcef!", events));
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//////////////////////////////////////////////////////////////////////////
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// meilenstein -> levenshtein: insertion, complex and simple substitutions
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events = [
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[ kRemoval, "m", 0 ], // meilenstein -> eilenstein
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[ kInsertion, "l", 0], // eilenstein -> leilenstein
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[ kRemoval, "il", 2 ], // leilenstein -> leenstein
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[ kInsertion, "v", 2], // leenstein -> levenstein
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[ kInsertion, "h", 6 ], // levenstein -> levenshtein
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];
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gQueue.push(new changeText("p11", "levenshtein", events));
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2011-08-04 03:57:08 +00:00
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//////////////////////////////////////////////////////////////////////////
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// long strings, remove/insert pair as the old string was replaced on
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// new one
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var longStr1 = expStr("x", 16);
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var longStr2 = expStr("X", 16);
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var newStr = "a" + longStr1 + "b", insStr = longStr1, rmStr = "";
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events = [
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[ kRemoval, rmStr, 1, kUnexpected ],
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[ kInsertion, insStr, 1 ]
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];
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gQueue.push(new changeText("p12", newStr, events));
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newStr = "a" + longStr2 + "b", insStr = longStr2, rmStr = longStr1;
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events = [
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[ kRemoval, rmStr, 1 ],
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[ kInsertion, insStr, 1]
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];
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gQueue.push(new changeText("p12", newStr, events));
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newStr = "ab", insStr = "", rmStr = longStr2;
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events = [
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[ kRemoval, rmStr, 1 ],
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[ kInsertion, insStr, 1, kUnexpected ]
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];
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gQueue.push(new changeText("p12", newStr, events));
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2011-02-08 04:48:41 +00:00
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gQueue.invoke(); // Will call SimpleTest.finish();
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}
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SimpleTest.waitForExplicitFinish();
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addA11yLoadEvent(doTests);
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</script>
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</head>
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<body>
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<a target="_blank"
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href="https://bugzilla.mozilla.org/show_bug.cgi?id=626660"
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title="Cache rendered text on a11y side">
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Mozilla Bug 626660
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</a>
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<br>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test">
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</pre>
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<div id="eventdump"></div>
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<p id="p1">wqrema</p>
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<p id="p2">b</p>
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<p id="p3">abc</p>
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<p id="p4">abcabc</p>
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<p id="p5">abc</p>
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<p id="p6">abc</p>
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<p id="p7">defabc</p>
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<p id="p8">abcdef</p>
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<p id="p9">abcDEFabc</p>
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<p id="p10">!abcdef@</p>
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<p id="p11">meilenstein</p>
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2011-08-04 03:57:08 +00:00
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<p id="p12">ab</p>
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2011-02-08 04:48:41 +00:00
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</body>
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</html>
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