1 files changed, 91 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_import.js b/js/xpconnect/tests/unit/test_import.js
new file mode 100644
index 000000000..5475c9011
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_import.js
@@ -0,0 +1,91 @@
+/* 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/. */
+ 
+function run_test() {   
+  var scope = {};
+  Components.utils.import("resource://gre/modules/XPCOMUtils.jsm", scope);
+  do_check_eq(typeof(scope.XPCOMUtils), "object");
+  do_check_eq(typeof(scope.XPCOMUtils.generateNSGetFactory), "function");
+  
+  // access module's global object directly without importing any
+  // symbols
+  var module = Components.utils.import("resource://gre/modules/XPCOMUtils.jsm",
+                                       null);
+  do_check_eq(typeof(XPCOMUtils), "undefined");
+  do_check_eq(typeof(module), "object");
+  do_check_eq(typeof(module.XPCOMUtils), "object");
+  do_check_eq(typeof(module.XPCOMUtils.generateNSGetFactory), "function");
+  do_check_true(scope.XPCOMUtils == module.XPCOMUtils);
+
+  // import symbols to our global object
+  do_check_eq(typeof(Components.utils.import), "function");
+  Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+  do_check_eq(typeof(XPCOMUtils), "object");
+  do_check_eq(typeof(XPCOMUtils.generateNSGetFactory), "function");
+  
+  // try on a new object
+  var scope2 = {};
+  Components.utils.import("resource://gre/modules/XPCOMUtils.jsm", scope2);
+  do_check_eq(typeof(scope2.XPCOMUtils), "object");
+  do_check_eq(typeof(scope2.XPCOMUtils.generateNSGetFactory), "function");
+  
+  do_check_true(scope2.XPCOMUtils == scope.XPCOMUtils);
+
+  // try on a new object using the resolved URL
+  var res = Components.classes["@mozilla.org/network/protocol;1?name=resource"]
+                      .getService(Components.interfaces.nsIResProtocolHandler);
+  var resURI = res.newURI("resource://gre/modules/XPCOMUtils.jsm", null, null);
+  dump("resURI: " + resURI + "\n");
+  var filePath = res.resolveURI(resURI);
+  var scope3 = {};
+  Components.utils.import(filePath, scope3);
+  do_check_eq(typeof(scope3.XPCOMUtils), "object");
+  do_check_eq(typeof(scope3.XPCOMUtils.generateNSGetFactory), "function");
+  
+  do_check_true(scope3.XPCOMUtils == scope.XPCOMUtils);
+
+  // make sure we throw when the second arg is bogus
+  var didThrow = false;
+  try {
+      Components.utils.import("resource://gre/modules/XPCOMUtils.jsm", "wrong");
+  } catch (ex) {
+      print("exception (expected): " + ex);
+      didThrow = true;
+  }
+  do_check_true(didThrow);
+ 
+  // try to create a component
+  do_load_manifest("component_import.manifest");
+  const contractID = "@mozilla.org/tests/module-importer;";
+  do_check_true((contractID + "1") in Components.classes);
+  var foo = Components.classes[contractID + "1"]
+                      .createInstance(Components.interfaces.nsIClassInfo);
+  do_check_true(Boolean(foo));
+  do_check_true(foo.contractID == contractID + "1");
+  // XXX the following check succeeds only if the test component wasn't
+  //     already registered. Need to figure out a way to force registration
+  //     (to manually force it, delete compreg.dat before running the test)
+  // do_check_true(foo.wrappedJSObject.postRegisterCalled);
+
+  // Call getInterfaces to test line numbers in JS components.  But as long as
+  // we're doing that, why not test what it returns too?
+  // Kind of odd that this is not returning an array containing the
+  // number... Or for that matter not returning an array containing an object?
+  var interfaces = foo.getInterfaces({});
+  do_check_eq(interfaces, Components.interfaces.nsIClassInfo.number);
+
+  // try to create a component by CID
+  const cid = "{6b933fe6-6eba-4622-ac86-e4f654f1b474}";
+  do_check_true(cid in Components.classesByID);
+  foo = Components.classesByID[cid]
+                  .createInstance(Components.interfaces.nsIClassInfo);
+  do_check_true(foo.contractID == contractID + "1");
+
+  // try to create another component which doesn't directly implement QI
+  do_check_true((contractID + "2") in Components.classes);
+  var bar = Components.classes[contractID + "2"]
+                      .createInstance(Components.interfaces.nsIClassInfo);
+  do_check_true(Boolean(bar));
+  do_check_true(bar.contractID == contractID + "2");
+}