2008-01-29 17:31:29 -08:00
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=postMessage
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-->
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<head>
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<title>postMessage from about:blank, data URLs</title>
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<script type="text/javascript" src="/MochiKit/packed.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="browserFu.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=postMessage">Mozilla Bug 387706</a>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<pre id="test">
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<script class="testbody" type="application/javascript"><![CDATA[
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/** Test for Bug 387706 **/
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SimpleTest.waitForExplicitFinish();
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var B64_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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/**
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* Encodes an array of bytes into a string using the base 64 encoding scheme.
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*
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* @param bytes
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* An array of bytes to encode.
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*/
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2008-05-02 12:26:47 -07:00
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function b64(str)
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{
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2008-01-29 17:31:29 -08:00
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var byteArray = new Array(str.length);
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for (var i = 0, sz = str.length; i < sz; i++)
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byteArray[i] = str.charCodeAt(i);
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var index = 0;
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function get3Bytes()
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{
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if (byteArray.length - index < 3)
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return null; // Less than three bytes remaining
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// Return the next three bytes in the array, and increment index for our
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// next invocation
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return byteArray.slice(index, index += 3);
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}
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var out = "";
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var bytes = null;
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while ((bytes = get3Bytes()))
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{
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var bits = 0;
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for (var i = 0; i < 3; i++)
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bits = (bits << 8) | bytes[i];
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for (var j = 18; j >= 0; j -= 6)
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out += B64_CHARS[(bits>>j) & 0x3F];
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}
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// Get the remaining bytes
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bytes = byteArray.slice(index);
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switch (bytes.length)
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{
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case 2:
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out += B64_CHARS[(bytes[0]>>2) & 0x3F] +
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B64_CHARS[((bytes[0] & 0x03) << 4) | ((bytes[1] >> 4) & 0x0F)] +
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B64_CHARS[((bytes[1] & 0x0F) << 2)] +
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"=";
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break;
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case 1:
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out += B64_CHARS[(bytes[0]>>2) & 0x3F] +
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B64_CHARS[(bytes[0] & 0x03) << 4] +
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"==";
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break;
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}
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return out;
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}
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var aboutBlankWindow = null;
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var aboutBlank2Window = null;
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var dataWindow = null;
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var aboutBlankResponseReceived = false;
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var aboutBlank2ResponseReceived = false;
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var dataResponseReceived = false;
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var finished = false;
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/** Convert a nullable string to a pretty representation */
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function sourceify(v)
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{
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if (typeof v == "string")
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return "'" + v + "'";
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return String(v);
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}
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/** Receives MessageEvents to this window. */
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function messageReceiver(evt)
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{
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// It's not clear what the security model is for data: URLs and whether they
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// can access their parents; WebKit denies access, while Gecko currently
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// allows it. We work around this problem by using postMessage (surprise!)
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// to start the round of tests when each iframe loads.
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if (evt.data === "next-test")
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{
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setTimeout(nextTest, 0);
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return;
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}
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try
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{
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ok(evt instanceof MessageEvent, "umm, how did we get this?");
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is(evt.type, "message", "expected events of type 'message'");
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if (isMozilla)
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{
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ok(evt.isTrusted === false, "shouldn't have been a trusted event");
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}
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if (evt.data === "about:blank-response")
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{
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// This isn't clarified in HTML5 yet, but the origin for a document which
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// has been open()ed is the origin of the calling code, somewhat loosely
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// speaking. For the specific case of about:blank it's also possible
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// that the origin is determined by the code that opens the window. It's
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// not codified yet which of these two causes the identifier tokens on
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// the event generated by the new window to be those of this window, but
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// in either case this is what they should be.
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2010-03-12 13:53:36 -08:00
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is(evt.origin, "http://mochi.test:8888",
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2008-02-26 19:48:54 -08:00
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"wrong origin for event from about:blank");
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2008-01-29 17:31:29 -08:00
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is(evt.source, aboutBlankWindow, "wrong source");
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2008-05-02 12:26:47 -07:00
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// ...and onto the next test
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2008-01-29 17:31:29 -08:00
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aboutBlankResponseReceived = true;
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2008-05-02 12:26:47 -07:00
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setupBlank2();
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2008-01-29 17:31:29 -08:00
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}
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else if (evt.data === "about:blank2-response")
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{
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2010-03-12 13:53:36 -08:00
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is(evt.origin, "http://mochi.test:8888",
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2008-02-26 19:48:54 -08:00
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"wrong origin for event from about:blank #2");
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2008-01-29 17:31:29 -08:00
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is(evt.source, aboutBlank2Window, "wrong source");
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aboutBlank2ResponseReceived = true;
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2008-05-02 12:26:47 -07:00
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setupData();
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2008-01-29 17:31:29 -08:00
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}
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else if (evt.data === "data-response")
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{
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2008-03-06 18:32:21 -08:00
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// HTML5 defines the origin of a data: URI as the origin of the window or
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// script that opened the data: URI.
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2010-03-12 13:53:36 -08:00
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is(evt.origin, "http://mochi.test:8888",
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2008-03-06 18:32:21 -08:00
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"wrong origin for event from data URL (should be the origin of the " +
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"window/script that opened the URL, in this case the origin of this " +
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"file)");
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2008-01-29 17:31:29 -08:00
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is(evt.source, dataWindow, "wrong source");
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2008-05-02 12:26:47 -07:00
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2008-01-29 17:31:29 -08:00
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dataResponseReceived = true;
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2008-05-02 12:26:47 -07:00
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finish();
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2008-01-29 17:31:29 -08:00
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}
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else
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{
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ok(false, "unexpected message: " + evt.data);
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}
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}
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catch (e)
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{
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ok(false, "error processing event with data '" + evt.data + "': " + e);
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}
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}
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function getContents(description, responseText)
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{
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var contents =
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"<!DOCTYPE html>\n" +
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"<html>\n" +
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"<head>\n" +
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" <title>about:blank</title>\n" +
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" <script type='application/javascript'>\n" +
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"function receive(evt)\n" +
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"{\n" +
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" var response = '" + responseText + "';\n" +
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"\n" +
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" if (evt.source !== window.parent)\n" +
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" response += ' wrong-source';\n" +
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2010-03-12 13:53:36 -08:00
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" if (evt.origin !== 'http://mochi.test:8888')\n" +
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2008-02-26 19:48:54 -08:00
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" response += ' wrong-origin(' + evt.origin + ')';\n" +
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2008-01-29 17:31:29 -08:00
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" if (evt.data !== 'from-opener')\n" +
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" response += ' wrong-data(' + evt.data + ')';\n" +
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"\n" +
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2010-03-12 13:53:36 -08:00
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" window.parent.postMessage(response, 'http://mochi.test:8888');\n" +
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2008-01-29 17:31:29 -08:00
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"}\n" +
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"\n" +
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"function ready()\n" +
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"{\n" +
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2010-03-12 13:53:36 -08:00
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" window.parent.postMessage('next-test', 'http://mochi.test:8888');\n" +
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2008-01-29 17:31:29 -08:00
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"}\n" +
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"\n" +
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"window.addEventListener('load', ready, false);\n" +
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2008-05-02 12:26:47 -07:00
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"window.addEventListener('message', receive, false);\n" +
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2008-01-29 17:31:29 -08:00
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" </script>\n" +
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"</head>\n" +
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"<body><p>" + description + "</p></body>\n" +
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"</html>";
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return contents;
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}
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2008-05-02 12:26:47 -07:00
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/** Finish the test, but don't finish twice if we timed out. */
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function finish()
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{
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if (!finished)
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{
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finished = true;
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SimpleTest.finish();
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}
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}
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2008-01-29 17:31:29 -08:00
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var xhtmlns = "http://www.w3.org/1999/xhtml";
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function insert(el)
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{
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var content = $("content");
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content.parentNode.insertBefore(el, content);
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}
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var LOAD_TIMEOUT = 5000;
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function setupBlank()
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{
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var aboutBlankFrame = document.createElementNS(xhtmlns, "iframe");
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aboutBlankFrame.setAttribute("src", "about:blank");
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insert(aboutBlankFrame);
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aboutBlankWindow = aboutBlankFrame.contentWindow;
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var doc = aboutBlankWindow.document;
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doc.open();
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doc.write(getContents("This was about:blank #1", "about:blank-response"));
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doc.close();
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// I don't believe anything guarantees sync parsing, so we have to wait for
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// the new window to poke us to actually do the test. :-\
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// Catch recalcitrant browsers that fail inside the iframe document code.
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setTimeout(blankFailed, LOAD_TIMEOUT);
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}
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function blankFailed()
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{
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if (!aboutBlankResponseReceived && !finished)
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{
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ok(false,
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"test timed out (postMessage not accessible on window.parent in " +
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"the first about:blank iframe?)");
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2008-05-02 12:26:47 -07:00
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finish();
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2008-01-29 17:31:29 -08:00
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}
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}
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function setupBlank2()
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{
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var aboutBlank2Frame = document.createElementNS(xhtmlns, "iframe");
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aboutBlank2Frame.addEventListener("load", nextTest, false);
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aboutBlank2Frame.setAttribute("src", "about:blank");
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insert(aboutBlank2Frame);
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}
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// Could use window.btoa here, but that's not standardized, and we want to be
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// able to run these tests against browsers that don't support it.
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var dataURI = "data:text/html;base64," +
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b64(getContents("A data: URL", "data-response"));
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function setupData()
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{
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var dataFrame = document.createElementNS(xhtmlns, "iframe");
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dataFrame.setAttribute("src", dataURI);
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insert(dataFrame);
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dataWindow = dataFrame.contentWindow;
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// ...and wait again for the window to load...
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// Catch recalcitrant browsers that fail inside the iframe document code.
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setTimeout(dataFailed, LOAD_TIMEOUT);
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}
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function dataFailed()
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{
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if (!dataResponseReceived && !finished)
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{
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ok(false,
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"test timed out (postMessage not accessible on window.parent in " +
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"the data: iframe?)");
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2008-05-02 12:26:47 -07:00
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finish();
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2008-01-29 17:31:29 -08:00
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}
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}
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var count = 0;
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function nextTest()
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{
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switch (count++)
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{
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case 0:
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testBlank();
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break;
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case 1:
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testBlank2();
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break;
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case 2:
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testData();
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break;
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default:
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ok(false, "unreached");
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break;
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}
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}
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function testBlank()
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{
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2010-03-12 13:53:36 -08:00
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aboutBlankWindow.postMessage("from-opener", "http://mochi.test:8888");
|
2008-01-29 17:31:29 -08:00
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}
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function testBlank2()
|
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{
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// For some reason we can't access this across browsers prior to the iframe
|
|
|
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// loading, so set its value here.
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aboutBlank2Window = window.frames[1];
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var doc = aboutBlank2Window.document;
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doc.body.textContent = "This was about:blank #2";
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var script = doc.createElement("script");
|
2008-05-02 12:26:47 -07:00
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script.textContent =
|
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|
|
|
"window.parent.postMessage('about:blank2-response', " +
|
2010-03-12 13:53:36 -08:00
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|
|
" 'http://mochi.test:8888');";
|
2008-01-29 17:31:29 -08:00
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doc.body.appendChild(script);
|
|
|
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}
|
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function testData()
|
|
|
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|
{
|
2010-03-12 13:53:36 -08:00
|
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|
dataWindow.postMessage("from-opener", "http://mochi.test:8888");
|
2008-01-29 17:31:29 -08:00
|
|
|
}
|
|
|
|
|
|
2008-05-02 12:26:47 -07:00
|
|
|
window.addEventListener("message", messageReceiver, false);
|
2008-01-29 17:31:29 -08:00
|
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|
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|
|
addLoadEvent(setupBlank);
|
|
|
|
|
]]></script>
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</pre>
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</body>
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</html>
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