test_ipcBlob_emptyMultiplex.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Test an empty IPCBlob together with other parts</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

<script type="text/javascript">

function checkContent(msg, content) {

  return new Promise(resolve => {

    let fr = new FileReader();

    fr.readAsText(new Blob(content));

    fr.onloadend = () => {

      is(fr.result, "Hello world!", "The content matches: " + msg);

      resolve();

};

});

SimpleTest.waitForExplicitFinish();

let url = SimpleTest.getTestFileURL("script_file.js");

let script = SpecialPowers.loadChromeScript(url);

script.addMessageListener("emptyfile.opened", message => {

  checkContent("middle", ["Hello ", message.file, "world!"]).

  then(() => checkContent("begin", [message.file, "Hello world!"])).

  then(() => checkContent("end", ["Hello world!", message.file])).

  then(() => checkContent("random", [message.file, message.file, "Hello world!", message.file])).

  then(() => checkContent("random 2", [message.file, message.file, "Hello ",

                                       message.file, "world", message.file,

                                       message.file, "!", message.file, "",

                                       message.file, message.file])).

  then(SimpleTest.finish);

});

script.sendAsyncMessage("emptyfile.open");

</script>

</pre>

</body>

</html>