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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /accessible/tests/mochitest/events/test_text_alg.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<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>
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