1 files changed, 52 insertions, 0 deletions
diff --git a/toolkit/mozapps/webextensions/test/xpinstall/browser_enabled3.js b/toolkit/mozapps/webextensions/test/xpinstall/browser_enabled3.js
new file mode 100644
index 0000000000..15bad4ba9b
--- /dev/null
+++ b/toolkit/mozapps/webextensions/test/xpinstall/browser_enabled3.js
@@ -0,0 +1,52 @@
+// ----------------------------------------------------------------------------
+// Test whether an InstallTrigger.install call fails when xpinstall is disabled
+function test() {
+  Harness.installDisabledCallback = install_disabled;
+  Harness.installBlockedCallback = allow_blocked;
+  Harness.installConfirmCallback = confirm_install;
+  Harness.setup();
+
+  Services.prefs.setBoolPref("xpinstall.enabled", false);
+
+  var triggers = encodeURIComponent(JSON.stringify({
+    "Unsigned XPI": TESTROOT + "amosigned.xpi"
+  }));
+  gBrowser.selectedTab = gBrowser.addTab();
+
+  ContentTask.spawn(gBrowser.selectedBrowser, TESTROOT + "installtrigger.html?" + triggers, url => {
+    return new Promise(resolve => {
+      function page_loaded() {
+        content.removeEventListener("PageLoaded", page_loaded, false);
+        resolve(content.document.getElementById("return").textContent);
+      }
+
+      function load_listener() {
+        removeEventListener("load", load_listener, true);
+        content.addEventListener("InstallTriggered", page_loaded, false);
+      }
+
+      addEventListener("load", load_listener, true);
+
+      content.location.href = url;
+    });
+  }).then(text => {
+    is(text, "false", "installTrigger should have not been enabled");
+    Services.prefs.clearUserPref("xpinstall.enabled");
+    gBrowser.removeCurrentTab();
+    Harness.finish();
+  });
+}
+
+function install_disabled(installInfo) {
+  ok(true, "Saw installation disabled");
+}
+
+function allow_blocked(installInfo) {
+  ok(false, "Should never see the blocked install notification");
+  return false;
+}
+
+function confirm_install(window) {
+  ok(false, "Should never see an install confirmation dialog");
+  return false;
+}