// ----------------------------------------------------------------------------
// Test whether an InstallTrigger.install call fails when xpinstall is disabled
async function test() {
  Harness.installDisabledCallback = install_disabled;
  Harness.installBlockedCallback = allow_blocked;
  Harness.installConfirmCallback = confirm_install;
  Harness.setup();

  Services.prefs.setBoolPref("xpinstall.enabled", false);

  var triggers = encodeURIComponent(
    JSON.stringify({
      "Unsigned XPI": TESTROOT + "amosigned.xpi",
    })
  );
  let tab = BrowserTestUtils.addTab(gBrowser, TESTROOT);
  gBrowser.selectedTab = tab;
  await BrowserTestUtils.browserLoaded(tab.linkedBrowser, false, TESTROOT);

  ContentTask.spawn(
    gBrowser.selectedBrowser,
    TESTROOT + "installtrigger.html?" + triggers,
    url => {
      return new Promise(resolve => {
        function page_loaded() {
          content.removeEventListener("PageLoaded", page_loaded);
          resolve(content.document.getElementById("return").textContent);
        }

        function load_listener() {
          removeEventListener("load", load_listener, true);
          content.addEventListener("InstallTriggered", page_loaded);
        }

        addEventListener("load", load_listener, true);

        content.location.href = url;
      });
    }
  ).then(text => {
    is(text, "false", "installTrigger should have not been enabled");
    Services.prefs.clearUserPref("xpinstall.enabled");
    gBrowser.removeCurrentTab();
    Harness.finish();
  });
}

function install_disabled(installInfo) {
  ok(true, "Saw installation disabled");
}

function allow_blocked(installInfo) {
  ok(false, "Should never see the blocked install notification");
  return false;
}

function confirm_install(panel) {
  ok(false, "Should never see an install confirmation dialog");
  return false;
}