fune/browser/base/content/test/contextMenu/browser_utilityOverlayPrincipal.js

/* 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
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

const gTests = [
  test_openUILink_checkPrincipal,
];

function test() {
  waitForExplicitFinish();
  executeSoon(runNextTest);
}

function runNextTest() {
  if (gTests.length) {
    let testFun = gTests.shift();
    info("Running " + testFun.name);
    testFun();
  } else {
    finish();
  }
}

function test_openUILink_checkPrincipal() {
  let tab = gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, "http://example.com/"); // remote tab
  BrowserTestUtils.browserLoaded(tab.linkedBrowser).then(async function() {
    is(tab.linkedBrowser.currentURI.spec, "http://example.com/", "example.com loaded");

    await ContentTask.spawn(tab.linkedBrowser, null, function() {
      let channel = content.docShell.currentDocumentChannel;

      const loadingPrincipal = channel.loadInfo.loadingPrincipal;
      is(loadingPrincipal, null, "sanity: correct loadingPrincipal");
      const triggeringPrincipal = channel.loadInfo.triggeringPrincipal;
      ok(Services.scriptSecurityManager.isSystemPrincipal(triggeringPrincipal),
        "sanity: correct triggeringPrincipal");
      const principalToInherit = channel.loadInfo.principalToInherit;
      ok(principalToInherit.isNullPrincipal, "sanity: correct principalToInherit");
      ok(content.document.nodePrincipal.isCodebasePrincipal,
        "sanity: correct doc.nodePrincipal");
      is(content.document.nodePrincipal.URI.asciiSpec, "http://example.com/",
       "sanity: correct doc.nodePrincipal URL");
    });

    gBrowser.removeCurrentTab();
    runNextTest();

  });

  // Ensure we get the correct default of "allowInheritPrincipal: false" from openUILink
  openUILink("http://example.com", null, {
    triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal({}),
  }); // defaults to "current"
}