toolkit/components/osfile/tests/xpcshell/test_logging.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/components/osfile/tests/xpcshell/test_logging.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,74 @@
     1.4 +"use strict";
     1.5 +
     1.6 +Components.utils.import("resource://gre/modules/osfile.jsm");
     1.7 +Components.utils.import("resource://gre/modules/Services.jsm");
     1.8 +
     1.9 +/**
    1.10 + * Tests logging by passing OS.Shared.LOG both an object with its own
    1.11 + * toString method, and one with the default.
    1.12 + */
    1.13 +function run_test() {
    1.14 +  do_test_pending();
    1.15 +  let messageCount = 0;
    1.16 +
    1.17 +  do_print("Test starting");
    1.18 +
    1.19 +  // Create a console listener.
    1.20 +  let consoleListener = {
    1.21 +    observe: function (aMessage) {
    1.22 +      //Ignore unexpected messages.
    1.23 +      if (!(aMessage instanceof Components.interfaces.nsIConsoleMessage)) {
    1.24 +        return;
    1.25 +      }
    1.26 +      // This is required, as printing to the |Services.console|
    1.27 +      // while in the observe function causes an exception.
    1.28 +      do_execute_soon(function() {
    1.29 +        do_print("Observing message " + aMessage.message);
    1.30 +        if (aMessage.message.indexOf("TEST OS") < 0) {
    1.31 +          return;
    1.32 +        }
    1.33 +
    1.34 +        ++messageCount;
    1.35 +        if(messageCount == 1) {
    1.36 +          do_check_eq(aMessage.message, "TEST OS {\"name\":\"test\"}\n");
    1.37 +        }
    1.38 +        if(messageCount == 2) {
    1.39 +          do_check_eq(aMessage.message, "TEST OS name is test\n");
    1.40 +          toggleConsoleListener(false);
    1.41 +          do_test_finished();
    1.42 +        }
    1.43 +      });
    1.44 +    }
    1.45 +  };
    1.46 +
    1.47 +  // Set/Unset the console listener.
    1.48 +  function toggleConsoleListener (pref) {
    1.49 +    do_print("Setting console listener: " + pref);
    1.50 +    Services.prefs.setBoolPref("toolkit.osfile.log", pref);
    1.51 +    Services.prefs.setBoolPref("toolkit.osfile.log.redirect", pref);
    1.52 +    Services.console[pref ? "registerListener" : "unregisterListener"](
    1.53 +      consoleListener);
    1.54 +  }
    1.55 +
    1.56 +  toggleConsoleListener(true);
    1.57 +
    1.58 +  let objectDefault = {name: "test"};
    1.59 +  let CustomToString = function() {
    1.60 +    this.name = "test";
    1.61 +  };
    1.62 +  CustomToString.prototype.toString = function() {
    1.63 +    return "name is " + this.name;
    1.64 +  };
    1.65 +  let objectCustom = new CustomToString();
    1.66 +
    1.67 +  do_print(OS.Shared.LOG.toSource());
    1.68 +
    1.69 +  do_print("Logging 1");
    1.70 +  OS.Shared.LOG(objectDefault);
    1.71 +
    1.72 +  do_print("Logging 2");
    1.73 +  OS.Shared.LOG(objectCustom);
    1.74 +  // Once both messages are observed OS.Shared.DEBUG, and OS.Shared.TEST
    1.75 +  // are reset to false.
    1.76 +}
    1.77 +

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