Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<title>HTML Test: paste DataTransfer protected status</title>
<link rel='author' title='Nika Layzell' href='mailto:nika@thelayzells.com'>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<h3>Instructions</h3>
<p>
Select the text in the text box and press Ctrl-C followed by Ctrl-V.
</p>
<input type="text" id="input" value="text">
<div id="log"> </div>
<script>
var MIME = "text/plain";
var input;
setup(function() {
input = document.querySelector("#input");
}, {explicit_done: true, explicit_timeout: true});
var STATUS_PROTECTED = "protected";
var STATUS_READONLY = "readonly";
var STATUS_READWRITE = "readwrite";
var STATUS_DISCONNECTED = "disconnected";
function status(dt) {
// Check if we can write to it.
try {
dt.setData("text/html", "_test");
if (dt.getData("text/html") == "_test") {
dt.clearData("text/html");
assert_true(!dt.getData("text/html"), "ClearData should work...");
return STATUS_READWRITE;
}
} catch(e) {}
// If we can read the data then we're readonly
if (dt.getData(MIME)) {
return STATUS_READONLY;
}
// If we can see that items exist (and read types) then we're protected
if (dt.items.length > 0) {
return STATUS_PROTECTED;
}
// Otherwise we've been disconnected.
return STATUS_DISCONNECTED;
};
let copy_dt = null;
let paste_dt = null;
on_event(input, "copy", function(e) {
copy_dt = e.clipboardData;
paste_dt = null;
copy_dt.setData(MIME, "b");
test(function() {
assert_equals(status(copy_dt), STATUS_READWRITE,
"copy_dt must be readwrite during copy");
}, "copy event status");
e.preventDefault();
});
on_event(input, "paste", function(e) {
paste_dt = e.clipboardData;
test(function() {
assert_equals(status(copy_dt), STATUS_DISCONNECTED,
"copy_dt mustbe disconnected during paste");
assert_equals(status(paste_dt), STATUS_READONLY,
"paste_dt mustbe readonly during paste");
}, "paste event status");
test(function() {
assert_not_equals(copy_dt != paste_dt,
"copy_dt must be a different DataTransfer object than paste_dt");
}, "paste event identity");
test(function() {
assert_equals(paste_dt.getData(MIME), "b",
"the data should have been persisted");
}, "paste event data");
e.preventDefault();
setTimeout(function() {
test(function() {
assert_equals(status(copy_dt), STATUS_DISCONNECTED,
"copy_dt mustbe disconnected after paste");
assert_equals(status(paste_dt), STATUS_DISCONNECTED,
"paste_dt mustbe disconnected after paste");
}, "after paste event status");
done();
}, 0);
});
</script>
</body>
</html>