editor/libeditor/tests/test_bug1026397.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=1026397
   5 -->
   6 <head>
   7   <title>Test for Bug 1026397</title>
   8   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   9   <script src="/tests/SimpleTest/EventUtils.js"></script>
  10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  11 </head>
  12 <body>
  13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1026397">Mozilla Bug 1026397</a>
  14 <p id="display"></p>
  15 <div id="content">
  16 <input id="input">
  17 </div>
  18 <pre id="test">
  19 <script type="application/javascript">
  20
  21 /** Test for Bug 1026397 **/
  22 SimpleTest.waitForExplicitFinish();
  23
  24 function runTests() {
  25   var input = document.getElementById("input");
  26   input.focus();
  27
  28   function doTest(aMaxLength, aInitialValue, aCaretOffset,
  29                   aInsertString, aExpectedValueDuringComposition,
  30                   aExpectedValueAfterCompositionEnd, aAdditionalExplanation) {
  31     input.value = aInitialValue;
  32     var maxLengthStr = "";
  33     if (aMaxLength >= 0) {
  34       input.maxLength = aMaxLength;
  35       maxLengthStr = aMaxLength.toString();
  36     } else {
  37       input.removeAttribute("maxlength");
  38       maxLengthStr = "not specified";
  39     }
  40     input.selectionStart = input.selectionEnd = aCaretOffset;
  41     if (aAdditionalExplanation) {
  42       aAdditionalExplanation = " " + aAdditionalExplanation;
  43     } else {
  44       aAdditionalExplanation = "";
  45     }
  46
  47     synthesizeCompositionChange(
  48       { "composition":
  49         { "string": aInsertString,
  50           "clauses":
  51           [
  52             { "length": aInsertString.length, "attr": COMPOSITION_ATTR_RAW_CLAUSE },
  53           ],
  54         },
  55         "caret": { "start": aInsertString.length, "length": 0 },
  56       });
  57     is(input.value, aExpectedValueDuringComposition,
  58        "The value of input whose maxlength is " + maxLengthStr + " should be "
  59          + aExpectedValueDuringComposition + " during composition" + aAdditionalExplanation);
  60     synthesizeComposition({ type: "compositioncommitasis" });
  61     is(input.value, aExpectedValueAfterCompositionEnd,
  62        "The value of input whose maxlength is " + maxLengthStr + " should be "
  63          + aExpectedValueAfterCompositionEnd + " after compositionend" + aAdditionalExplanation);
  64   }
  65
  66   // maxlength hasn't been specified yet.
  67   doTest(-1, "", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6");
  68
  69   // maxlength="1"
  70   doTest(1, "", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6", "");
  71
  72   // maxlength="2"
  73   doTest(2, "", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7");
  74   doTest(2, "X", 1, "\uD842\uDFB7\u91CE\u5BB6", "X\uD842\uDFB7\u91CE\u5BB6", "X");
  75   doTest(2, "Y", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6Y", "Y");
  76
  77   // maxlength="3"
  78   doTest(3, "", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE");
  79   doTest(3, "A", 1, "\uD842\uDFB7\u91CE\u5BB6", "A\uD842\uDFB7\u91CE\u5BB6", "A\uD842\uDFB7");
  80   doTest(3, "B", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6B", "\uD842\uDFB7B");
  81   doTest(3, "CD", 1, "\uD842\uDFB7\u91CE\u5BB6", "C\uD842\uDFB7\u91CE\u5BB6D", "CD");
  82
  83   // maxlength="4"
  84   doTest(4, "EF", 1, "\uD842\uDFB7\u91CE\u5BB6", "E\uD842\uDFB7\u91CE\u5BB6F", "E\uD842\uDFB7F");
  85   doTest(4, "GHI", 1, "\uD842\uDFB7\u91CE\u5BB6", "G\uD842\uDFB7\u91CE\u5BB6HI", "GHI");
  86
  87   // maxlength="1", inputting only high surrogate
  88   doTest(1, "", 0, "\uD842", "\uD842", "\uD842", "even if input string is only a high surrogate");
  89
  90   // maxlength="1", inputting only low surrogate
  91   doTest(1, "", 0, "\uDFB7", "\uDFB7", "\uDFB7", "even if input string is only a low surrogate");
  92
  93   SimpleTest.finish();
  94 }
  95
  96 SimpleTest.waitForFocus(runTests);
  97
  98 </script>
  99 </pre>
 100 </body>
 101 </html>