1 files changed, 83 insertions, 0 deletions
diff --git a/dom/tests/browser/browser_unlinkable_about_page_can_load_module_scripts.js b/dom/tests/browser/browser_unlinkable_about_page_can_load_module_scripts.js
new file mode 100644
index 0000000000..ca4f9a7bc3
--- /dev/null
+++ b/dom/tests/browser/browser_unlinkable_about_page_can_load_module_scripts.js
@@ -0,0 +1,83 @@
+/* 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/.
+ */
+
+"use strict";
+
+const kTestPage = getRootDirectory(gTestPath) + "file_load_module_script.html";
+
+const kDefaultFlags =
+  Ci.nsIAboutModule.ALLOW_SCRIPT |
+  Ci.nsIAboutModule.URI_MUST_LOAD_IN_CHILD |
+  Ci.nsIAboutModule.URI_CAN_LOAD_IN_PRIVILEGEDABOUT_PROCESS |
+  Ci.nsIAboutModule.URI_SAFE_FOR_UNTRUSTED_CONTENT;
+
+const kAboutPagesRegistered = Promise.all([
+  BrowserTestUtils.registerAboutPage(
+    registerCleanupFunction,
+    "test-linkable-page",
+    kTestPage,
+    kDefaultFlags | Ci.nsIAboutModule.MAKE_LINKABLE
+  ),
+  BrowserTestUtils.registerAboutPage(
+    registerCleanupFunction,
+    "test-unlinkable-page",
+    kTestPage,
+    kDefaultFlags
+  ),
+]);
+
+add_task(async function () {
+  await kAboutPagesRegistered;
+
+  let consoleListener = {
+    observe() {
+      errorCount++;
+      if (shouldHaveJSError) {
+        ok(true, "JS error is expected and received");
+      } else {
+        ok(false, "Unexpected JS error was received");
+      }
+    },
+  };
+  Services.console.registerListener(consoleListener);
+  registerCleanupFunction(() =>
+    Services.console.unregisterListener(consoleListener)
+  );
+
+  let shouldHaveJSError = true;
+  let errorCount = 0;
+  await BrowserTestUtils.withNewTab(
+    { gBrowser, url: "about:test-linkable-page" },
+    async browser => {
+      await SpecialPowers.spawn(browser, [], () => {
+        isnot(
+          content.document.body.textContent,
+          "scriptLoaded",
+          "The page content shouldn't be changed on the linkable page"
+        );
+      });
+    }
+  );
+  ok(
+    errorCount > 0,
+    "Should have an error when loading test-linkable-page, got " + errorCount
+  );
+
+  shouldHaveJSError = false;
+  errorCount = 0;
+  await BrowserTestUtils.withNewTab(
+    { gBrowser, url: "about:test-unlinkable-page" },
+    async browser => {
+      await SpecialPowers.spawn(browser, [], () => {
+        is(
+          content.document.body.textContent,
+          "scriptLoaded",
+          "The page content should be changed on the unlinkable page"
+        );
+      });
+    }
+  );
+  is(errorCount, 0, "Should have no errors when loading test-unlinkable-page");
+});