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+<!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>