<!doctype html> <title>Mozilla Bug 490879</title> <link rel=stylesheet href="/tests/SimpleTest/test.css"> <script src="/tests/SimpleTest/SimpleTest.js"></script> <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=490879" target="_blank">Mozilla Bug 490879</a> <iframe id="i1" width="200" height="100" src="about:blank"></iframe> <img id="i" src="green.png"> <script> function runTest() { function verifyContent() { const kExpectedImgSpec = "data:image/png;base64,"; var e = document.getElementById('i1'); var doc = e.contentDocument; is(doc.getElementsByTagName("img")[0].src.substring(0, kExpectedImgSpec.length), kExpectedImgSpec, "The pasted image is a base64-encoded data: URI"); } function pasteInto() { var e = document.getElementById('i1'); var doc = e.contentDocument; doc.designMode = "on"; doc.defaultView.focus(); var selection = doc.defaultView.getSelection(); selection.removeAllRanges(); selection.selectAllChildren(doc.body); selection.collapseToEnd(); SpecialPowers.doCommand(window, "cmd_paste"); } function copyToClipBoard() { SpecialPowers.setCommandNode(window, document.getElementById("i")); SpecialPowers.doCommand(window, "cmd_copyImageContents"); } copyToClipBoard(); pasteInto(); verifyContent(); SimpleTest.finish(); } SimpleTest.waitForExplicitFinish(); addLoadEvent(runTest); </script>