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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that stylesheets are retrieved even if an iframe does not have a content document.
const TEST_URI = URL_ROOT_SSL + "stylesheets-nested-iframes.html";
add_task(async function () {
const tab = await addTab(TEST_URI);
const { client, resourceCommand, targetCommand } = await initResourceCommand(
tab
);
info("Check whether ResourceCommand gets existing stylesheet");
const availableResources = [];
await resourceCommand.watchResources([resourceCommand.TYPES.STYLESHEET], {
onAvailable: resources => availableResources.push(...resources),
});
await waitFor(() => availableResources.length >= 10);
is(
availableResources.length,
10,
"Got the expected number of stylesheets, even with documentless iframes"
);
targetCommand.destroy();
await client.close();
});