<!
DOCTYPE HTML>
<
html>
<
head>
<
meta charset=
"utf-8">
<
title>
<!-- TODO: insert title here --></title>
<
script src=
"/tests/SimpleTest/SimpleTest.js"></
script>
<
link rel=
"stylesheet" href=
"/tests/SimpleTest/test.css"/>
</
head>
<
body>
<p id=
"display"></p>
<
div id=
"content" style=
"display: none">
<
script>
SimpleTest.waitForExplicitFinish();
const blob = new Blob([
"x"], { type:
"application/pdf" });
const blobURL = URL.createObjectURL(blob);
const blobFrame = document.createElement(
"iframe");
blobFrame.src = blobURL;
document.getElementById(
"content").appendChild(blobFrame);
const dataURL =
"data:application/pdf,";
const dataFrame = document.createElement(
"iframe");
dataFrame.src = dataURL;
document.getElementById(
"content").appendChild(dataFrame);
addLoadEvent(function() {
// blob:// URLs inherit their origin, so the window inside blobFrame
// should be same-orgin with us except for the PDF viewer messing with
// origins.
const printFunc = blobFrame.contentWindow.print;
is(typeof printFunc,
"function",
"Should have a 'print' function");
ok(
Object.getOwnPropertyNames(blobFrame.contentWindow).includes(
"print"),
"Should see 'print' property in property names");
try {
// data: URLs get nonce origins, so the window inside dataFrame is not
// same-origin with us in any way.
dataFrame.contentWindow.print;
ok(false,
"Should throw on cross-origin .print access");
} catch (e) {
ok(/Permission denied/.test(e.message),
"Should have a security error");
}
ok(!
Object.getOwnPropertyNames(dataFrame.contentWindow).includes(
"print"),
"Should not see 'print' property in property names");
try {
printFunc.call(dataFrame.contentWindow);
ok(false,
"Should throw on cross-origin call");
} catch (e) {
ok(/Permission to call/.test(e.message),
"Should have a security error for call");
}
// It
'd be nice to test that calling the function works right, but if it
// does it
'll put up the print dialog, which is not helpful in an
// automated test.
SimpleTest.finish();
});
</
script>
</
div>
<
pre id=
"test"></
pre>
</
body>
</
html>
