1 files changed, 80 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_gZipOfflineChild.js b/browser/base/content/test/general/browser_gZipOfflineChild.js
new file mode 100644
index 000000000..09691bed8
--- /dev/null
+++ b/browser/base/content/test/general/browser_gZipOfflineChild.js
@@ -0,0 +1,80 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+const URL = "http://mochi.test:8888/browser/browser/base/content/test/general/test_offline_gzip.html"
+
+registerCleanupFunction(function() {
+  // Clean up after ourself
+  let uri = Services.io.newURI(URL, null, null);
+  let principal = Services.scriptSecurityManager.createCodebasePrincipal(uri, {});
+  Services.perms.removeFromPrincipal(principal, "offline-app");
+  Services.prefs.clearUserPref("offline-apps.allow_by_default");
+});
+
+var cacheCount = 0;
+var intervalID = 0;
+
+//
+// Handle "message" events which are posted from the iframe upon
+// offline cache events.
+//
+function handleMessageEvents(event) {
+  cacheCount++;
+  switch (cacheCount) {
+    case 1:
+      // This is the initial caching off offline data.
+      is(event.data, "oncache", "Child was successfully cached.");
+      // Reload the frame; this will generate an error message
+      // in the case of bug 501422.
+      event.source.location.reload();
+      // Use setInterval to repeatedly call a function which
+      // checks that one of two things has occurred:  either
+      // the offline cache is udpated (which means our iframe
+      // successfully reloaded), or the string "error" appears
+      // in the iframe, as in the case of bug 501422.
+      intervalID = setInterval(function() {
+        // Sometimes document.body may not exist, and trying to access
+        // it will throw an exception, so handle this case.
+        try {
+          var bodyInnerHTML = event.source.document.body.innerHTML;
+        }
+        catch (e) {
+          bodyInnerHTML = "";
+        }
+        if (cacheCount == 2 || bodyInnerHTML.includes("error")) {
+          clearInterval(intervalID);
+          is(cacheCount, 2, "frame not reloaded successfully");
+          if (cacheCount != 2) {
+            finish();
+          }
+        }
+      }, 100);
+      break;
+    case 2:
+      is(event.data, "onupdate", "Child was successfully updated.");
+      clearInterval(intervalID);
+      finish();
+      break;
+    default:
+      // how'd we get here?
+      ok(false, "cacheCount not 1 or 2");
+  }
+}
+
+function test() {
+  waitForExplicitFinish();
+
+  Services.prefs.setBoolPref("offline-apps.allow_by_default", true);
+
+  // Open a new tab.
+  gBrowser.selectedTab = gBrowser.addTab(URL);
+  registerCleanupFunction(() => gBrowser.removeCurrentTab());
+
+  BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser).then(() => {
+    let window = gBrowser.selectedBrowser.contentWindow;
+
+    window.addEventListener("message", handleMessageEvents, false);
+  });
+}