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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=420243
-->
<head>
<title>Test for Bug 420243</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=420243">Mozilla Bug 420243</a>
<p id="display"></p>
<div id="content" style="display: none"></div>
<iframe id="svg" src="getSubStringLength-helper.svg"></iframe>
<pre id="test">
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
function runTests(text, charWidth) {
function chars(n) { return charWidth * n; }
function expectThrow(charnum, nchars) {
try {
text.getSubStringLength(charnum, nchars);
ok(false,
"text.getSubStringLength(" + charnum + "," + nchars + ") " +
"should have thrown");
} catch (e) {
is(e.name, "IndexSizeError",
"expected an index error for " +
"text.getSubStringLength(" + charnum + "," + nchars + ")");
is(e.code, DOMException.INDEX_SIZE_ERR,
"expected an index error for " +
"text.getSubStringLength(" + charnum + "," + nchars + ")");
}
}
function expectValue(charnum, nchars, expected) {
try {
isfuzzy(text.getSubStringLength(charnum, nchars), expected, 0.01,
"text.getSubStringLength(" + charnum + "," + nchars + ") " +
"returned wrong value");
} catch (e) {
ok(false,
"unexpected exception for " +
"text.getSubStringLength(" + charnum + "," + nchars + ")");
}
}
expectThrow(100, 2);
expectThrow(100, 0);
expectThrow(3, 0);
expectThrow(3, 1);
expectValue(1, 3, chars(2));
expectValue(0, 4, chars(3));
expectValue(0, 0, chars(0));
expectValue(1, 0, chars(0));
expectValue(2, 0, chars(0));
expectValue(0, 1, chars(1));
expectValue(1, 1, chars(1));
expectValue(2, 1, chars(1));
expectValue(0, 2, chars(2));
expectValue(1, 2, chars(2));
expectValue(0, 3, chars(3));
expectValue(1, 100, chars(2));
expectValue(2, 100, chars(1));
}
function run() {
try {
var document = $("svg").contentWindow.document;
var text = document.getElementById("text");
runTests(text, text.getSubStringLength(0, 1));
} catch (e) {
ok(false, "threw error: " + e);
}
SimpleTest.finish();
}
window.addEventListener("load", run);
</script>
</pre>
</body>
</html>
|
