1 files changed, 79 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/test/xpinstall/browser_offline.js b/toolkit/mozapps/extensions/test/xpinstall/browser_offline.js
new file mode 100644
index 0000000000..b17ddd9f81
--- /dev/null
+++ b/toolkit/mozapps/extensions/test/xpinstall/browser_offline.js
@@ -0,0 +1,79 @@
+var proxyPrefValue;
+
+// ----------------------------------------------------------------------------
+// Tests that going offline cancels an in progress download.
+function test() {
+  // This test currently depends on InstallTrigger.install availability.
+  setInstallTriggerPrefs();
+
+  Harness.downloadProgressCallback = download_progress;
+  Harness.installsCompletedCallback = finish_test;
+  Harness.setup();
+
+  PermissionTestUtils.add(
+    "http://example.com/",
+    "install",
+    Services.perms.ALLOW_ACTION
+  );
+
+  var triggers = encodeURIComponent(
+    JSON.stringify({
+      "Unsigned XPI": TESTROOT + "amosigned.xpi",
+    })
+  );
+  gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser);
+  BrowserTestUtils.loadURIString(
+    gBrowser,
+    TESTROOT + "installtrigger.html?" + triggers
+  );
+}
+
+function download_progress(addon, value, maxValue) {
+  try {
+    // Tests always connect to localhost, and per bug 87717, localhost is now
+    // reachable in offline mode.  To avoid this, disable any proxy.
+    proxyPrefValue = Services.prefs.getIntPref("network.proxy.type");
+    Services.prefs.setIntPref("network.proxy.type", 0);
+    Services.io.manageOfflineStatus = false;
+    Services.io.offline = true;
+  } catch (ex) {}
+}
+
+function finish_test(count) {
+  function wait_for_online() {
+    info("Checking if the browser is still offline...");
+
+    let tab = gBrowser.selectedTab;
+    BrowserTestUtils.waitForContentEvent(
+      tab.linkedBrowser,
+      "DOMContentLoaded",
+      true
+    ).then(async function () {
+      let url = await ContentTask.spawn(
+        tab.linkedBrowser,
+        null,
+        async function () {
+          return content.document.documentURI;
+        }
+      );
+      info("loaded: " + url);
+      if (/^about:neterror\?e=netOffline/.test(url)) {
+        wait_for_online();
+      } else {
+        gBrowser.removeCurrentTab();
+        Harness.finish();
+      }
+    });
+    BrowserTestUtils.loadURIString(tab.linkedBrowser, "http://example.com/");
+  }
+
+  is(count, 0, "No add-ons should have been installed");
+  try {
+    Services.prefs.setIntPref("network.proxy.type", proxyPrefValue);
+    Services.io.offline = false;
+  } catch (ex) {}
+
+  PermissionTestUtils.remove("http://example.com", "install");
+
+  wait_for_online();
+}