1 files changed, 38 insertions, 0 deletions
diff --git a/toolkit/mozapps/webextensions/test/xpinstall/browser_badargs.js b/toolkit/mozapps/webextensions/test/xpinstall/browser_badargs.js
new file mode 100644
index 000000000..b4b1110b0
--- /dev/null
+++ b/toolkit/mozapps/webextensions/test/xpinstall/browser_badargs.js
@@ -0,0 +1,38 @@
+// ----------------------------------------------------------------------------
+// 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 = gBrowser.addTab();
+
+  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();
+
+  gBrowser.loadURI(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();
+  });
+}
+// ----------------------------------------------------------------------------