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Test Info:
/**
*
* Load firebird.png, redirect it to doggy.png, and verify the filename is
* doggy.png in file picker dialog.
*/
let MockFilePicker = SpecialPowers.MockFilePicker;
MockFilePicker.init(window.browsingContext);
add_task(async function () {
// This URL will redirect to doggy.png.
const URL_FIREBIRD =
await BrowserTestUtils.withNewTab(URL_FIREBIRD, async function (browser) {
// Click image to show context menu.
let popupShownPromise = BrowserTestUtils.waitForEvent(
document,
"popupshown"
);
await BrowserTestUtils.synthesizeMouseAtCenter(
"img",
{ type: "contextmenu", button: 2 },
browser
);
await popupShownPromise;
// Prepare mock file picker.
let showFilePickerPromise = new Promise(resolve => {
MockFilePicker.showCallback = fp => resolve(fp.defaultString);
});
registerCleanupFunction(function () {
MockFilePicker.cleanup();
});
// Select "Save Image As" option from context menu
var saveImageAsCommand = document.getElementById("context-saveimage");
saveImageAsCommand.doCommand();
let filename = await showFilePickerPromise;
is(filename, "doggy.png", "Verify image filename.");
// Close context menu.
let contextMenu = document.getElementById("contentAreaContextMenu");
let popupHiddenPromise = BrowserTestUtils.waitForEvent(
contextMenu,
"popuphidden"
);
contextMenu.hidePopup();
await popupHiddenPromise;
});
});