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Test Info:
- Manifest: dom/ipc/tests/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
add_task(async function () {
// Create a new content tab to make sure the paste is cross-process.
let tab = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
"data:text/html,<br>"
);
let browser = tab.linkedBrowser;
await SpecialPowers.spawn(browser, [], async function () {
const trans = Cc["@mozilla.org/widget/transferable;1"].createInstance(
Ci.nsITransferable
);
trans.init(null);
const string = Cc["@mozilla.org/supports-string;1"].createInstance(
Ci.nsISupportsString
);
string.data = "blablabla";
trans.addDataFlavor("text/unknown");
trans.setTransferData("text/unknown", string);
trans.addDataFlavor("text/plain");
trans.setTransferData("text/plain", string);
// Write to clipboard.
Services.clipboard.setData(trans, null, Ci.nsIClipboard.kGlobalClipboard);
});
// Wait for known.
for (var i = 0; i < 20; i++) {
if (
Services.clipboard.hasDataMatchingFlavors(
["text/plain"],
Services.clipboard.kGlobalClipboard
)
) {
break;
}
}
function readClipboard(flavor) {
const trans = Cc["@mozilla.org/widget/transferable;1"].createInstance(
Ci.nsITransferable
);
trans.init(null);
trans.addDataFlavor(flavor);
Services.clipboard.getData(
trans,
Services.clipboard.kGlobalClipboard,
SpecialPowers.wrap(window).browsingContext.currentWindowContext
);
let data = {};
trans.getTransferData(flavor, data);
return data.value.QueryInterface(Ci.nsISupportsString).data;
}
ok(
Services.clipboard.hasDataMatchingFlavors(
["text/plain"],
Services.clipboard.kGlobalClipboard
),
"clipboard should have text/plain"
);
is(
readClipboard("text/plain"),
"blablabla",
"matching string for text/plain"
);
ok(
!Services.clipboard.hasDataMatchingFlavors(
["text/unknown"],
Services.clipboard.kGlobalClipboard
),
"clipboard should not have text/unknown"
);
let error = undefined;
try {
readClipboard("text/unknown");
} catch (e) {
error = e;
}
is(typeof error, "object", "reading text/unknown should fail");
BrowserTestUtils.removeTab(tab);
});