xpinstall/tests/browser_cancel.js

   1 // Load in the test harness
   2 var scriptLoader = Components.classes["@mozilla.org/moz/jssubscript-loader;1"]
   3                              .getService(Components.interfaces.mozIJSSubScriptLoader);
   4
   5 var rootDir = getRootDirectory(window.location.href);
   6 scriptLoader.loadSubScript(rootDir + "harness.js", this);
   7
   8 // ----------------------------------------------------------------------------
   9 // Tests that cancelling an in progress download works.
  10 var gManager = null;
  11
  12 function test() {
  13   waitForExplicitFinish();
  14   gManager = Components.classes["@mozilla.org/xpinstall/install-manager;1"]
  15                        .createInstance(Components.interfaces.nsIXPInstallManager);
  16   gManager.initManagerFromChrome([ TESTROOT + "unsigned.xpi" ],
  17                                  1, listener);
  18 }
  19
  20 function finish_test() {
  21   finish();
  22 }
  23
  24 var listener = {
  25   onStateChange: function(index, state, value) {
  26     is(index, 0, "There is only one download");
  27     if (state == Components.interfaces.nsIXPIProgressDialog.INSTALL_DONE)
  28       is(value, -210, "Install should have been cancelled");
  29     else if (state == Components.interfaces.nsIXPIProgressDialog.DIALOG_CLOSE)
  30       finish_test();
  31   },
  32
  33   onProgress: function(index, value, maxValue) {
  34     is(index, 0, "There is only one download");
  35     gManager.QueryInterface(Components.interfaces.nsIObserver);
  36     gManager.observe(null, "xpinstall-progress", "cancel");
  37   },
  38
  39   QueryInterface: function(iid) {
  40     if (iid.equals(Components.interfaces.nsIXPIProgressDialog) ||
  41         iid.equals(Components.interfaces.nsISupports))
  42       return this;
  43
  44     throw Components.results.NS_ERROR_NO_INTERFACE;
  45   }
  46 };
  47 // ----------------------------------------------------------------------------