1 files changed, 46 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/test/xpinstall/browser_badargs.js b/toolkit/mozapps/extensions/test/xpinstall/browser_badargs.js
new file mode 100644
index 0000000000..568a1fe03f
--- /dev/null
+++ b/toolkit/mozapps/extensions/test/xpinstall/browser_badargs.js
@@ -0,0 +1,46 @@
+// ----------------------------------------------------------------------------
+// Test whether passing a simple string to InstallTrigger.install throws an
+// exception
+function test() {
+  waitForExplicitFinish();
+
+  var triggers = encodeURIComponent(JSON.stringify(TESTROOT + "amosigned.xpi"));
+  gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, TESTROOT);
+
+  ContentTask.spawn(gBrowser.selectedBrowser, null, function() {
+    return new Promise(resolve => {
+      addEventListener(
+        "load",
+        () => {
+          content.addEventListener("InstallTriggered", () => {
+            resolve(content.document.getElementById("return").textContent);
+          });
+        },
+        true
+      );
+    });
+  }).then(page_loaded);
+
+  // In non-e10s the exception in the content page would trigger a test failure
+  if (!gMultiProcessBrowser) {
+    expectUncaughtException();
+  }
+
+  BrowserTestUtils.loadURI(
+    gBrowser,
+    TESTROOT + "installtrigger.html?" + triggers
+  );
+}
+
+function page_loaded(result) {
+  is(result, "exception", "installTrigger should have failed");
+
+  // In non-e10s the exception from the page is thrown after the event so we
+  // have to spin the event loop to make sure it arrives so expectUncaughtException
+  // sees it.
+  executeSoon(() => {
+    gBrowser.removeCurrentTab();
+    finish();
+  });
+}
+// ----------------------------------------------------------------------------