gecko/tools/test-harness/xpcshell-simple/head.js

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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Google Inc.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@meer.net>
* Boris Zbarsky <bzbarsky@mit.edu>
* Jeff Walden <jwalden+code@mit.edu>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* This file contains common code that is loaded with each test file.
* See http://developer.mozilla.org/en/docs/Writing_xpcshell-based_unit_tests
* for more information
*/
var _quit = false;
var _fail = false;
var _tests_pending = 0;
function _TimerCallback(expr) {
this._expr = expr;
}
_TimerCallback.prototype = {
_expr: "",
QueryInterface: function(iid) {
if (iid.Equals(Components.interfaces.nsITimerCallback) ||
iid.Equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
notify: function(timer) {
eval(this._expr);
}
};
function _do_main() {
if (_quit)
return;
dump("*** running event loop\n");
var thr = Components.classes["@mozilla.org/thread-manager;1"]
.getService().currentThread;
while (!_quit)
thr.processNextEvent(true);
while (thr.hasPendingEvents())
thr.processNextEvent(true);
}
function _do_quit() {
dump("*** exiting\n");
_quit = true;
}
/************** Functions to be used from the tests **************/
function do_timeout(delay, expr) {
var timer = Components.classes["@mozilla.org/timer;1"]
.createInstance(Components.interfaces.nsITimer);
timer.initWithCallback(new _TimerCallback(expr), delay, timer.TYPE_ONE_SHOT);
}
function do_throw(text) {
_fail = true;
_do_quit();
dump("*** CHECK FAILED: " + text + "\n");
var frame = Components.stack;
while (frame != null) {
dump(frame + "\n");
frame = frame.caller;
}
throw Components.results.NS_ERROR_ABORT;
}
function do_check_neq(left, right) {
if (left == right)
do_throw(left + " != " + right);
}
function do_check_eq(left, right) {
if (left != right)
do_throw(left + " == " + right);
}
function do_check_true(condition) {
do_check_eq(condition, true);
}
function do_check_false(condition) {
do_check_eq(condition, false);
}
function do_test_pending() {
dump("*** test pending\n");
_tests_pending++;
}
function do_test_finished() {
dump("*** test finished\n");
if (--_tests_pending == 0)
_do_quit();
}
function do_import_script(topsrcdirRelativePath) {
var scriptPath = environment["TOPSRCDIR"];
if (scriptPath.charAt(scriptPath.length - 1) != "/")
scriptPath += "/";
scriptPath += topsrcdirRelativePath;
load(scriptPath);
}
function do_get_file(path, allowInexistent) {
var comps = path.split("/");
try {
// The following always succeeds on Windows because we use cygpath with
// the -a (absolute) modifier to generate NATIVE_TOPSRCDIR.
var lf = Components.classes["@mozilla.org/file/local;1"]
.createInstance(Components.interfaces.nsILocalFile);
lf.initWithPath(environment["NATIVE_TOPSRCDIR"]);
} catch (e) {
// Relative -- and not-Windows per above
lf = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties)
.get("CurWorkD", Components.interfaces.nsILocalFile);
// We can't use appendRelativePath because it's not supposed to work with
// paths containing "..", and this path might contain "..".
var topsrcdirComps = environment["NATIVE_TOPSRCDIR"].split("/");
Array.prototype.unshift.apply(comps, topsrcdirComps);
}
for (var i = 0, sz = comps.length; i < sz; i++) {
// avoids problems if either path ended with /
if (comps[i].length > 0)
lf.append(comps[i]);
}
if (!allowInexistent) {
if (!lf.exists()) {
print(lf.path + " doesn't exist\n");
}
do_check_true(lf.exists());
}
return lf;
}
function do_load_module(path) {
var lf = do_get_file(path);
const nsIComponentRegistrar = Components.interfaces.nsIComponentRegistrar;
do_check_true(Components.manager instanceof nsIComponentRegistrar);
Components.manager.autoRegister(lf);
}
/**
* Parse a DOM document.
*
* @param aPath File path to the document.
* @param aType Content type to use in DOMParser.
*
* @return nsIDOMDocument from the file.
*/
function do_parse_document(aPath, aType) {
switch (aType) {
case "application/xhtml+xml":
case "application/xml":
case "text/xml":
break;
default:
throw new Error("do_parse_document requires content-type of " +
"application/xhtml+xml, application/xml, or text/xml.");
}
var lf = do_get_file(aPath);
const C_i = Components.interfaces;
const parserClass = "@mozilla.org/xmlextras/domparser;1";
const streamClass = "@mozilla.org/network/file-input-stream;1";
var stream = Components.classes[streamClass]
.createInstance(C_i.nsIFileInputStream);
stream.init(lf, -1, -1, C_i.nsIFileInputStream.CLOSE_ON_EOF);
var parser = Components.classes[parserClass]
.createInstance(C_i.nsIDOMParser);
var doc = parser.parseFromStream(stream, null, lf.fileSize, aType);
parser = null;
stream = null;
lf = null;
return doc;
}