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accessible/tests/mochitest/events/test_text_alg.html@925c144e1f1f (annotated)

accessible/tests/mochitest/events/test_text_alg.html

Fri, 16 Jan 2015 18:13:44 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 18:13:44 +0100
branch: TOR_BUG_9701
changeset 14: 925c144e1f1f
permissions: -rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

 <html>
 <head>
   <title>Accessible text update algorithm testing</title>
   <link rel="stylesheet" type="text/css"
         href="chrome://mochikit/content/tests/SimpleTest/test.css" />
   <script type="application/javascript"
           src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
   <script type="application/javascript"
           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 = 0;
     const kInsertion = 1;
     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>
   <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>
 </body>
 </html>

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