mozilla-central/editor/libeditor/tests/test_bug1026397.html

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Test Info:

<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<title>Test for Bug 1026397</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="content">
<input id="input">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 1026397 **/
SimpleTest.waitForExplicitFinish();
function runTests() {
var input = document.getElementById("input");
input.focus();
function doTest(aMaxLength, aInitialValue, aCaretOffset,
aInsertString, aExpectedValueDuringComposition,
aExpectedValueAfterCompositionEnd, aAdditionalExplanation) {
input.value = aInitialValue;
var maxLengthStr = "";
if (aMaxLength >= 0) {
input.maxLength = aMaxLength;
maxLengthStr = aMaxLength.toString();
} else {
input.removeAttribute("maxlength");
maxLengthStr = "not specified";
}
input.selectionStart = input.selectionEnd = aCaretOffset;
if (aAdditionalExplanation) {
aAdditionalExplanation = " " + aAdditionalExplanation;
} else {
aAdditionalExplanation = "";
}
synthesizeCompositionChange(
{ "composition":
{ "string": aInsertString,
"clauses":
[
{ "length": aInsertString.length, "attr": COMPOSITION_ATTR_RAW_CLAUSE },
],
},
"caret": { "start": aInsertString.length, "length": 0 },
});
is(input.value, aExpectedValueDuringComposition,
"The value of input whose maxlength is " + maxLengthStr + " should be "
+ aExpectedValueDuringComposition + " during composition" + aAdditionalExplanation);
synthesizeComposition({ type: "compositioncommitasis" });
is(input.value, aExpectedValueAfterCompositionEnd,
"The value of input whose maxlength is " + maxLengthStr + " should be "
+ aExpectedValueAfterCompositionEnd + " after compositionend" + aAdditionalExplanation);
}
// maxlength hasn't been specified yet.
doTest(-1, "", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6");
// maxlength="1"
doTest(1, "", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6", "");
// maxlength="2"
doTest(2, "", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7");
doTest(2, "X", 1, "\uD842\uDFB7\u91CE\u5BB6", "X\uD842\uDFB7\u91CE\u5BB6", "X");
doTest(2, "Y", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6Y", "Y");
// maxlength="3"
doTest(3, "", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE");
doTest(3, "A", 1, "\uD842\uDFB7\u91CE\u5BB6", "A\uD842\uDFB7\u91CE\u5BB6", "A\uD842\uDFB7");
doTest(3, "B", 0, "\uD842\uDFB7\u91CE\u5BB6", "\uD842\uDFB7\u91CE\u5BB6B", "\uD842\uDFB7B");
doTest(3, "CD", 1, "\uD842\uDFB7\u91CE\u5BB6", "C\uD842\uDFB7\u91CE\u5BB6D", "CD");
// maxlength="4"
doTest(4, "EF", 1, "\uD842\uDFB7\u91CE\u5BB6", "E\uD842\uDFB7\u91CE\u5BB6F", "E\uD842\uDFB7F");
doTest(4, "GHI", 1, "\uD842\uDFB7\u91CE\u5BB6", "G\uD842\uDFB7\u91CE\u5BB6HI", "GHI");
// maxlength="1", inputting only high surrogate
doTest(1, "", 0, "\uD842", "\uD842", "\uD842", "even if input string is only a high surrogate");
// maxlength="1", inputting only low surrogate
doTest(1, "", 0, "\uDFB7", "\uDFB7", "\uDFB7", "even if input string is only a low surrogate");
SimpleTest.finish();
}
SimpleTest.waitForFocus(runTests);
</script>
</pre>
</body>
</html>