"use strict"; add_task(async () => { const TEST_PATH = getRootDirectory(gTestPath).replace( "chrome://mochitests/content", // eslint-disable-next-line @microsoft/sdl/no-insecure-url "http://example.com" ); const HTML_URI = TEST_PATH + "file_bug1691153.html"; // Opening the page that contains the iframe let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser); let browser = tab.linkedBrowser; let browserLoaded = BrowserTestUtils.browserLoaded( browser, true, HTML_URI, true ); info("new tab loaded"); BrowserTestUtils.loadURI(browser, HTML_URI); await browserLoaded; info("The test page has loaded!"); let first_message_promise = SpecialPowers.spawn( browser, [], async function() { let blobPromise = new Promise((resolve, reject) => { content.addEventListener("message", event => { if (event.data.bloburl) { info("Sanity check: recvd blob URL as " + event.data.bloburl); resolve(event.data.bloburl); } }); }); content.postMessage("getblob", "*"); return blobPromise; } ); info("The test page has loaded!"); let blob_url = await first_message_promise; Assert.ok(blob_url.startsWith("blob:"), "Sanity check: recvd blob"); info(`Received blob URL message from content: ${blob_url}`); // try to open the blob in a new tab, manually created by the user let tab2 = await BrowserTestUtils.openNewForegroundTab( gBrowser, blob_url, true, false, true ); let principal = gBrowser.selectedTab.linkedBrowser._contentPrincipal; Assert.ok( !principal.isSystemPrincipal, "Newly opened blob shouldn't be Systemprincipal" ); Assert.ok( !principal.isExpandedPrincipal, "Newly opened blob shouldn't be ExpandedPrincipal" ); Assert.ok( principal.isContentPrincipal, "Newly opened blob tab should be ContentPrincipal" ); BrowserTestUtils.removeTab(tab); BrowserTestUtils.removeTab(tab2); });