test_bug478251.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=478251

-->

<head>

  <title>Test for Bug 478251</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=478251">Mozilla Bug 478251</a>

<p id="display"><iframe id="t"></iframe></p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 478251 **/

var doc = $("t").contentDocument;

doc.open();

doc.write();

doc.close();

is(doc.documentElement.textContent, "", "Writing || failed");

doc.open();

doc.write(null);

doc.close();

is(doc.documentElement.textContent, "null", "Writing |null| failed");

doc.open();

doc.write(null, null);

doc.close();

is(doc.documentElement.textContent, "nullnull", "Writing |null, null| failed");

doc.open();

doc.write(undefined);

doc.close();

is(doc.documentElement.textContent, "undefined", "Writing |undefined| failed");

doc.open();

doc.write(undefined, undefined);

doc.close();

is(doc.documentElement.textContent, "undefinedundefined", "Writing |undefined, undefined| failed");

doc.open();

doc.writeln();

doc.close();

ok(doc.documentElement.textContent == "\n" || doc.documentElement.textContent == "", "Writing |\\n| failed");

doc.open();

doc.writeln(null);

doc.close();

is(doc.documentElement.textContent, "null\n", "Writing |null\\n| failed");

doc.open();

doc.writeln(null, null);

doc.close();

is(doc.documentElement.textContent, "nullnull\n", "Writing |null, null\\n| failed");

doc.open();

doc.writeln(undefined);

doc.close();

is(doc.documentElement.textContent, "undefined\n", "Writing |undefined\\n| failed");

doc.open();

doc.writeln(undefined, undefined);

doc.close();

is(doc.documentElement.textContent, "undefinedundefined\n", "Writing |undefined, undefined\\n| failed");

</script>

</pre>

</body>

</html>