mirror of
https://github.com/mozilla/gecko-dev.git
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1342 lines
42 KiB
JavaScript
1342 lines
42 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* This file contains common code that is loaded before each test file(s).
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* See http://developer.mozilla.org/en/docs/Writing_xpcshell-based_unit_tests
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* for more information.
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*/
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var _quit = false;
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var _passed = true;
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var _tests_pending = 0;
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var _passedChecks = 0, _falsePassedChecks = 0;
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var _todoChecks = 0;
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var _cleanupFunctions = [];
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var _pendingTimers = [];
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var _profileInitialized = false;
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// Register the testing-common resource protocol early, to have access to its
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// modules.
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_register_modules_protocol_handler();
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let _Promise = Components.utils.import("resource://gre/modules/Promise.jsm", this).Promise;
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// Support a common assertion library, Assert.jsm.
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let AssertCls = Components.utils.import("resource://testing-common/Assert.jsm", null).Assert;
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// Pass a custom report function for xpcshell-test style reporting.
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let Assert = new AssertCls(function(err, message, stack) {
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if (err) {
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do_report_result(false, err.message, err.stack);
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} else {
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do_report_result(true, message, stack);
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}
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});
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let _log = function (action, params) {
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if (typeof _XPCSHELL_PROCESS != "undefined") {
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params.process = _XPCSHELL_PROCESS;
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}
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params.action = action;
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params._time = Date.now();
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dump("\n" + JSON.stringify(params) + "\n");
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}
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function _dump(str) {
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let start = /^TEST-/.test(str) ? "\n" : "";
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if (typeof _XPCSHELL_PROCESS == "undefined") {
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dump(start + str);
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} else {
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dump(start + _XPCSHELL_PROCESS + ": " + str);
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}
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}
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// Disable automatic network detection, so tests work correctly when
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// not connected to a network.
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let (ios = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService2)) {
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ios.manageOfflineStatus = false;
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ios.offline = false;
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}
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// Determine if we're running on parent or child
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let runningInParent = true;
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try {
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runningInParent = Components.classes["@mozilla.org/xre/runtime;1"].
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getService(Components.interfaces.nsIXULRuntime).processType
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== Components.interfaces.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
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}
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catch (e) { }
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// Only if building of places is enabled.
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if (runningInParent &&
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"mozIAsyncHistory" in Components.interfaces) {
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// Ensure places history is enabled for xpcshell-tests as some non-FF
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// apps disable it.
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let (prefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch)) {
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prefs.setBoolPref("places.history.enabled", true);
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};
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}
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try {
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if (runningInParent) {
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let prefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch);
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// disable necko IPC security checks for xpcshell, as they lack the
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// docshells needed to pass them
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prefs.setBoolPref("network.disable.ipc.security", true);
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// Disable IPv6 lookups for 'localhost' on windows.
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if ("@mozilla.org/windows-registry-key;1" in Components.classes) {
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prefs.setCharPref("network.dns.ipv4OnlyDomains", "localhost");
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}
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}
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}
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catch (e) { }
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// Configure crash reporting, if possible
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// We rely on the Python harness to set MOZ_CRASHREPORTER,
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// MOZ_CRASHREPORTER_NO_REPORT, and handle checking for minidumps.
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// Note that if we're in a child process, we don't want to init the
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// crashreporter component.
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try {
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if (runningInParent &&
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"@mozilla.org/toolkit/crash-reporter;1" in Components.classes) {
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let (crashReporter =
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Components.classes["@mozilla.org/toolkit/crash-reporter;1"]
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.getService(Components.interfaces.nsICrashReporter)) {
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crashReporter.UpdateCrashEventsDir();
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crashReporter.minidumpPath = do_get_minidumpdir();
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}
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}
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}
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catch (e) { }
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/**
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* Date.now() is not necessarily monotonically increasing (insert sob story
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* about times not being the right tool to use for measuring intervals of time,
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* robarnold can tell all), so be wary of error by erring by at least
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* _timerFuzz ms.
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*/
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const _timerFuzz = 15;
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function _Timer(func, delay) {
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delay = Number(delay);
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if (delay < 0)
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do_throw("do_timeout() delay must be nonnegative");
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if (typeof func !== "function")
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do_throw("string callbacks no longer accepted; use a function!");
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this._func = func;
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this._start = Date.now();
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this._delay = delay;
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var timer = Components.classes["@mozilla.org/timer;1"]
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.createInstance(Components.interfaces.nsITimer);
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timer.initWithCallback(this, delay + _timerFuzz, timer.TYPE_ONE_SHOT);
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// Keep timer alive until it fires
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_pendingTimers.push(timer);
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}
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_Timer.prototype = {
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QueryInterface: function(iid) {
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if (iid.equals(Components.interfaces.nsITimerCallback) ||
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iid.equals(Components.interfaces.nsISupports))
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return this;
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throw Components.results.NS_ERROR_NO_INTERFACE;
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},
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notify: function(timer) {
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_pendingTimers.splice(_pendingTimers.indexOf(timer), 1);
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// The current nsITimer implementation can undershoot, but even if it
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// couldn't, paranoia is probably a virtue here given the potential for
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// random orange on tinderboxen.
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var end = Date.now();
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var elapsed = end - this._start;
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if (elapsed >= this._delay) {
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try {
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this._func.call(null);
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} catch (e) {
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do_throw("exception thrown from do_timeout callback: " + e);
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}
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return;
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}
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// Timer undershot, retry with a little overshoot to try to avoid more
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// undershoots.
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var newDelay = this._delay - elapsed;
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do_timeout(newDelay, this._func);
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}
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};
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function _do_main() {
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if (_quit)
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return;
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_log("test_info",
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{_message: "TEST-INFO | (xpcshell/head.js) | running event loop\n"});
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var thr = Components.classes["@mozilla.org/thread-manager;1"]
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.getService().currentThread;
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while (!_quit)
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thr.processNextEvent(true);
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while (thr.hasPendingEvents())
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thr.processNextEvent(true);
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}
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function _do_quit() {
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_log("test_info",
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{_message: "TEST-INFO | (xpcshell/head.js) | exiting test\n"});
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_Promise.Debugging.flushUncaughtErrors();
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_quit = true;
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}
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function _format_exception_stack(stack) {
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if (typeof stack == "object" && stack.caller) {
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let frame = stack;
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let strStack = "";
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while (frame != null) {
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strStack += frame + "\n";
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frame = frame.caller;
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}
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stack = strStack;
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}
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// frame is of the form "fname@file:line"
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let frame_regexp = new RegExp("(.*)@(.*):(\\d*)", "g");
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return stack.split("\n").reduce(function(stack_msg, frame) {
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if (frame) {
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let parts = frame_regexp.exec(frame);
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if (parts) {
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let [ _, func, file, line ] = parts;
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return stack_msg + "JS frame :: " + file + " :: " +
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(func || "anonymous") + " :: line " + line + "\n";
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}
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else { /* Could be a -e (command line string) style location. */
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return stack_msg + "JS frame :: " + frame + "\n";
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}
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}
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return stack_msg;
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}, "");
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}
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/**
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* Overrides idleService with a mock. Idle is commonly used for maintenance
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* tasks, thus if a test uses a service that requires the idle service, it will
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* start handling them.
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* This behaviour would cause random failures and slowdown tests execution,
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* for example by running database vacuum or cleanups for each test.
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*
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* @note Idle service is overridden by default. If a test requires it, it will
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* have to call do_get_idle() function at least once before use.
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*/
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var _fakeIdleService = {
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get registrar() {
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delete this.registrar;
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return this.registrar =
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Components.manager.QueryInterface(Components.interfaces.nsIComponentRegistrar);
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},
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contractID: "@mozilla.org/widget/idleservice;1",
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get CID() this.registrar.contractIDToCID(this.contractID),
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activate: function FIS_activate()
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{
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if (!this.originalFactory) {
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// Save original factory.
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this.originalFactory =
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Components.manager.getClassObject(Components.classes[this.contractID],
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Components.interfaces.nsIFactory);
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// Unregister original factory.
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this.registrar.unregisterFactory(this.CID, this.originalFactory);
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// Replace with the mock.
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this.registrar.registerFactory(this.CID, "Fake Idle Service",
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this.contractID, this.factory
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);
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}
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},
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deactivate: function FIS_deactivate()
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{
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if (this.originalFactory) {
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// Unregister the mock.
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this.registrar.unregisterFactory(this.CID, this.factory);
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// Restore original factory.
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this.registrar.registerFactory(this.CID, "Idle Service",
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this.contractID, this.originalFactory);
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delete this.originalFactory;
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}
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},
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factory: {
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// nsIFactory
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createInstance: function (aOuter, aIID)
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{
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if (aOuter) {
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throw Components.results.NS_ERROR_NO_AGGREGATION;
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}
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return _fakeIdleService.QueryInterface(aIID);
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},
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lockFactory: function (aLock) {
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throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
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},
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QueryInterface: function(aIID) {
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if (aIID.equals(Components.interfaces.nsIFactory) ||
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aIID.equals(Components.interfaces.nsISupports)) {
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return this;
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}
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throw Components.results.NS_ERROR_NO_INTERFACE;
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}
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},
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// nsIIdleService
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get idleTime() 0,
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addIdleObserver: function () {},
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removeIdleObserver: function () {},
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QueryInterface: function(aIID) {
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// Useful for testing purposes, see test_get_idle.js.
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if (aIID.equals(Components.interfaces.nsIFactory)) {
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return this.factory;
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}
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if (aIID.equals(Components.interfaces.nsIIdleService) ||
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aIID.equals(Components.interfaces.nsISupports)) {
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return this;
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}
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throw Components.results.NS_ERROR_NO_INTERFACE;
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}
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}
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/**
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* Restores the idle service factory if needed and returns the service's handle.
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* @return A handle to the idle service.
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*/
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function do_get_idle() {
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_fakeIdleService.deactivate();
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return Components.classes[_fakeIdleService.contractID]
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.getService(Components.interfaces.nsIIdleService);
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}
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// Map resource://test/ to current working directory and
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// resource://testing-common/ to the shared test modules directory.
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function _register_protocol_handlers() {
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let ios = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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let protocolHandler =
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ios.getProtocolHandler("resource")
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.QueryInterface(Components.interfaces.nsIResProtocolHandler);
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let curDirURI = ios.newFileURI(do_get_cwd());
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protocolHandler.setSubstitution("test", curDirURI);
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_register_modules_protocol_handler();
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}
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function _register_modules_protocol_handler() {
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if (!this._TESTING_MODULES_DIR) {
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throw new Error("Please define a path where the testing modules can be " +
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"found in a variable called '_TESTING_MODULES_DIR' before " +
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"head.js is included.");
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}
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let ios = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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let protocolHandler =
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ios.getProtocolHandler("resource")
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.QueryInterface(Components.interfaces.nsIResProtocolHandler);
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let modulesFile = Components.classes["@mozilla.org/file/local;1"].
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createInstance(Components.interfaces.nsILocalFile);
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modulesFile.initWithPath(_TESTING_MODULES_DIR);
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if (!modulesFile.exists()) {
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throw new Error("Specified modules directory does not exist: " +
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_TESTING_MODULES_DIR);
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}
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if (!modulesFile.isDirectory()) {
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throw new Error("Specified modules directory is not a directory: " +
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_TESTING_MODULES_DIR);
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}
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let modulesURI = ios.newFileURI(modulesFile);
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protocolHandler.setSubstitution("testing-common", modulesURI);
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}
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function _execute_test() {
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_register_protocol_handlers();
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// Override idle service by default.
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// Call do_get_idle() to restore the factory and get the service.
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_fakeIdleService.activate();
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_Promise.Debugging.clearUncaughtErrorObservers();
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_Promise.Debugging.addUncaughtErrorObserver(function observer({message, date, fileName, stack, lineNumber}) {
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let text = " A promise chain failed to handle a rejection: " +
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message + " - rejection date: " + date;
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_log_message_with_stack("test_unexpected_fail",
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text, stack, fileName);
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});
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// _HEAD_FILES is dynamically defined by <runxpcshelltests.py>.
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_load_files(_HEAD_FILES);
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// _TEST_FILE is dynamically defined by <runxpcshelltests.py>.
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_load_files(_TEST_FILE);
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// Tack Assert.jsm methods to the current scope.
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this.Assert = Assert;
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for (let func in Assert) {
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this[func] = Assert[func].bind(Assert);
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}
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try {
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do_test_pending("MAIN run_test");
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run_test();
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do_test_finished("MAIN run_test");
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_do_main();
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} catch (e) {
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_passed = false;
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// do_check failures are already logged and set _quit to true and throw
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// NS_ERROR_ABORT. If both of those are true it is likely this exception
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// has already been logged so there is no need to log it again. It's
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// possible that this will mask an NS_ERROR_ABORT that happens after a
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// do_check failure though.
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if (!_quit || e != Components.results.NS_ERROR_ABORT) {
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let msgObject = {};
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if (e.fileName) {
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msgObject.source_file = e.fileName;
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if (e.lineNumber) {
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msgObject.line_number = e.lineNumber;
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}
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} else {
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msgObject.source_file = "xpcshell/head.js";
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}
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msgObject.diagnostic = _exception_message(e);
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if (e.stack) {
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msgObject.diagnostic += " - See following stack:\n";
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msgObject.stack = _format_exception_stack(e.stack);
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}
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_log("test_unexpected_fail", msgObject);
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}
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}
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|
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// _TAIL_FILES is dynamically defined by <runxpcshelltests.py>.
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_load_files(_TAIL_FILES);
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|
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// Execute all of our cleanup functions.
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let reportCleanupError = function(ex) {
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let stack, filename;
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if (ex && typeof ex == "object" && "stack" in ex) {
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stack = ex.stack;
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} else {
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stack = Components.stack.caller;
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}
|
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if (stack instanceof Components.interfaces.nsIStackFrame) {
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filename = stack.filename;
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} else if (ex.fileName) {
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filename = ex.fileName;
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}
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_log_message_with_stack("test_unexpected_fail",
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ex, stack, filename);
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};
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let func;
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while ((func = _cleanupFunctions.pop())) {
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let result;
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try {
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result = func();
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} catch (ex) {
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reportCleanupError(ex);
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continue;
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}
|
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if (result && typeof result == "object"
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&& "then" in result && typeof result.then == "function") {
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// This is a promise, wait until it is satisfied before proceeding
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|
let complete = false;
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let promise = result.then(null, reportCleanupError);
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promise = promise.then(() => complete = true);
|
|
let thr = Components.classes["@mozilla.org/thread-manager;1"]
|
|
.getService().currentThread;
|
|
while (!complete) {
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thr.processNextEvent(true);
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}
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}
|
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}
|
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|
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// Restore idle service to avoid leaks.
|
|
_fakeIdleService.deactivate();
|
|
|
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if (!_passed)
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return;
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|
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var truePassedChecks = _passedChecks - _falsePassedChecks;
|
|
if (truePassedChecks > 0) {
|
|
_log("test_pass",
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{_message: "TEST-PASS | (xpcshell/head.js) | " + truePassedChecks + " (+ " +
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_falsePassedChecks + ") check(s) passed\n",
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source_file: _TEST_FILE,
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passed_checks: truePassedChecks});
|
|
_log("test_info",
|
|
{_message: "TEST-INFO | (xpcshell/head.js) | " + _todoChecks +
|
|
" check(s) todo\n",
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|
source_file: _TEST_FILE,
|
|
todo_checks: _todoChecks});
|
|
} else {
|
|
// ToDo: switch to TEST-UNEXPECTED-FAIL when all tests have been updated. (Bug 496443)
|
|
_log("test_info",
|
|
{_message: "TEST-INFO | (xpcshell/head.js) | No (+ " + _falsePassedChecks +
|
|
") checks actually run\n",
|
|
source_file: _TEST_FILE});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Loads files.
|
|
*
|
|
* @param aFiles Array of files to load.
|
|
*/
|
|
function _load_files(aFiles) {
|
|
function loadTailFile(element, index, array) {
|
|
try {
|
|
load(element);
|
|
} catch (e if e instanceof SyntaxError) {
|
|
_log("javascript_error",
|
|
{_message: "TEST-UNEXPECTED-FAIL | (xpcshell/head.js) | Source file " + element + " contains SyntaxError",
|
|
diagnostic: _exception_message(e),
|
|
source_file: element,
|
|
stack: _format_exception_stack(e.stack)});
|
|
} catch (e) {
|
|
_log("javascript_error",
|
|
{_message: "TEST-UNEXPECTED-FAIL | (xpcshell/head.js) | Source file " + element + " contains an error",
|
|
diagnostic: _exception_message(e),
|
|
source_file: element,
|
|
stack: e.stack ? _format_exception_stack(e.stack) : null});
|
|
}
|
|
}
|
|
|
|
aFiles.forEach(loadTailFile);
|
|
}
|
|
|
|
function _wrap_with_quotes_if_necessary(val) {
|
|
return typeof val == "string" ? '"' + val + '"' : val;
|
|
}
|
|
|
|
/************** Functions to be used from the tests **************/
|
|
|
|
/**
|
|
* Prints a message to the output log.
|
|
*/
|
|
function do_print(msg) {
|
|
var caller_stack = Components.stack.caller;
|
|
msg = _wrap_with_quotes_if_necessary(msg);
|
|
_log("test_info",
|
|
{source_file: caller_stack.filename,
|
|
diagnostic: msg});
|
|
|
|
}
|
|
|
|
/**
|
|
* Calls the given function at least the specified number of milliseconds later.
|
|
* The callback will not undershoot the given time, but it might overshoot --
|
|
* don't expect precision!
|
|
*
|
|
* @param delay : uint
|
|
* the number of milliseconds to delay
|
|
* @param callback : function() : void
|
|
* the function to call
|
|
*/
|
|
function do_timeout(delay, func) {
|
|
new _Timer(func, Number(delay));
|
|
}
|
|
|
|
function do_execute_soon(callback, aName) {
|
|
let funcName = (aName ? aName : callback.name);
|
|
do_test_pending(funcName);
|
|
var tm = Components.classes["@mozilla.org/thread-manager;1"]
|
|
.getService(Components.interfaces.nsIThreadManager);
|
|
|
|
tm.mainThread.dispatch({
|
|
run: function() {
|
|
try {
|
|
callback();
|
|
} catch (e) {
|
|
// do_check failures are already logged and set _quit to true and throw
|
|
// NS_ERROR_ABORT. If both of those are true it is likely this exception
|
|
// has already been logged so there is no need to log it again. It's
|
|
// possible that this will mask an NS_ERROR_ABORT that happens after a
|
|
// do_check failure though.
|
|
if (!_quit || e != Components.results.NS_ERROR_ABORT) {
|
|
if (e.stack) {
|
|
_log("javascript_error",
|
|
{source_file: "xpcshell/head.js",
|
|
diagnostic: _exception_message(e) + " - See following stack:",
|
|
stack: _format_exception_stack(e.stack)});
|
|
} else {
|
|
_log("javascript_error",
|
|
{source_file: "xpcshell/head.js",
|
|
diagnostic: _exception_message(e)});
|
|
}
|
|
_do_quit();
|
|
}
|
|
}
|
|
finally {
|
|
do_test_finished(funcName);
|
|
}
|
|
}
|
|
}, Components.interfaces.nsIThread.DISPATCH_NORMAL);
|
|
}
|
|
|
|
/**
|
|
* Shows an error message and the current stack and aborts the test.
|
|
*
|
|
* @param error A message string or an Error object.
|
|
* @param stack null or nsIStackFrame object or a string containing
|
|
* \n separated stack lines (as in Error().stack).
|
|
*/
|
|
function do_throw(error, stack) {
|
|
let filename = "";
|
|
// If we didn't get passed a stack, maybe the error has one
|
|
// otherwise get it from our call context
|
|
stack = stack || error.stack || Components.stack.caller;
|
|
|
|
if (stack instanceof Components.interfaces.nsIStackFrame)
|
|
filename = stack.filename;
|
|
else if (error.fileName)
|
|
filename = error.fileName;
|
|
|
|
_log_message_with_stack("test_unexpected_fail",
|
|
error, stack, filename);
|
|
|
|
_passed = false;
|
|
_do_quit();
|
|
throw Components.results.NS_ERROR_ABORT;
|
|
}
|
|
|
|
function _format_stack(stack) {
|
|
let normalized;
|
|
if (stack instanceof Components.interfaces.nsIStackFrame) {
|
|
let frames = [];
|
|
for (let frame = stack; frame; frame = frame.caller) {
|
|
frames.push(frame.filename + ":" + frame.name + ":" + frame.lineNumber);
|
|
}
|
|
normalized = frames.join("\n");
|
|
} else {
|
|
normalized = "" + stack;
|
|
}
|
|
return _Task.Debugging.generateReadableStack(normalized, " ");
|
|
}
|
|
|
|
function do_throw_todo(text, stack) {
|
|
if (!stack)
|
|
stack = Components.stack.caller;
|
|
|
|
_passed = false;
|
|
_log_message_with_stack("test_unexpected_pass",
|
|
text, stack, stack.filename);
|
|
_do_quit();
|
|
throw Components.results.NS_ERROR_ABORT;
|
|
}
|
|
|
|
// Make a nice display string from an object that behaves
|
|
// like Error
|
|
function _exception_message(ex) {
|
|
let message = "";
|
|
if (ex.name) {
|
|
message = ex.name + ": ";
|
|
}
|
|
if (ex.message) {
|
|
message += ex.message;
|
|
}
|
|
if (ex.fileName) {
|
|
message += (" at " + ex.fileName);
|
|
if (ex.lineNumber) {
|
|
message += (":" + ex.lineNumber);
|
|
}
|
|
}
|
|
if (message !== "") {
|
|
return message;
|
|
}
|
|
// Force ex to be stringified
|
|
return "" + ex;
|
|
}
|
|
|
|
function _log_message_with_stack(action, ex, stack, filename, text) {
|
|
if (stack) {
|
|
_log(action,
|
|
{diagnostic: (text ? text : "") +
|
|
_exception_message(ex) +
|
|
" - See following stack:",
|
|
source_file: filename,
|
|
stack: _format_stack(stack)});
|
|
} else {
|
|
_log(action,
|
|
{diagnostic: (text ? text : "") +
|
|
_exception_message(ex),
|
|
source_file: filename});
|
|
}
|
|
}
|
|
|
|
function do_report_unexpected_exception(ex, text) {
|
|
var caller_stack = Components.stack.caller;
|
|
text = text ? text + " - " : "";
|
|
|
|
_passed = false;
|
|
_log_message_with_stack("test_unexpected_fail", ex, ex.stack || "",
|
|
caller_stack.filename, text + "Unexpected exception ");
|
|
_do_quit();
|
|
throw Components.results.NS_ERROR_ABORT;
|
|
}
|
|
|
|
function do_note_exception(ex, text) {
|
|
var caller_stack = Components.stack.caller;
|
|
text = text ? text + " - " : "";
|
|
|
|
_log_message_with_stack("test_info", ex, ex.stack,
|
|
caller_stack.filename, text + "Swallowed exception ");
|
|
}
|
|
|
|
function _do_check_neq(left, right, stack, todo) {
|
|
Assert.notEqual(left, right);
|
|
}
|
|
|
|
function do_check_neq(left, right, stack) {
|
|
if (!stack)
|
|
stack = Components.stack.caller;
|
|
|
|
_do_check_neq(left, right, stack, false);
|
|
}
|
|
|
|
function todo_check_neq(left, right, stack) {
|
|
if (!stack)
|
|
stack = Components.stack.caller;
|
|
|
|
_do_check_neq(left, right, stack, true);
|
|
}
|
|
|
|
function do_report_result(passed, text, stack, todo) {
|
|
if (passed) {
|
|
if (todo) {
|
|
do_throw_todo(text, stack);
|
|
} else {
|
|
++_passedChecks;
|
|
_log("test_pass",
|
|
{source_file: stack.filename,
|
|
test_name: stack.name,
|
|
line_number: stack.lineNumber,
|
|
diagnostic: "[" + stack.name + " : " + stack.lineNumber + "] " +
|
|
text + "\n"});
|
|
}
|
|
} else {
|
|
if (todo) {
|
|
++_todoChecks;
|
|
_log("test_known_fail",
|
|
{source_file: stack.filename,
|
|
test_name: stack.name,
|
|
line_number: stack.lineNumber,
|
|
diagnostic: "[" + stack.name + " : " + stack.lineNumber + "] " +
|
|
text + "\n"});
|
|
} else {
|
|
do_throw(text, stack);
|
|
}
|
|
}
|
|
}
|
|
|
|
function _do_check_eq(left, right, stack, todo) {
|
|
if (!stack)
|
|
stack = Components.stack.caller;
|
|
|
|
var text = _wrap_with_quotes_if_necessary(left) + " == " +
|
|
_wrap_with_quotes_if_necessary(right);
|
|
do_report_result(left == right, text, stack, todo);
|
|
}
|
|
|
|
function do_check_eq(left, right, stack) {
|
|
Assert.equal(left, right);
|
|
}
|
|
|
|
function todo_check_eq(left, right, stack) {
|
|
if (!stack)
|
|
stack = Components.stack.caller;
|
|
|
|
_do_check_eq(left, right, stack, true);
|
|
}
|
|
|
|
function do_check_true(condition, stack) {
|
|
Assert.ok(condition);
|
|
}
|
|
|
|
function todo_check_true(condition, stack) {
|
|
if (!stack)
|
|
stack = Components.stack.caller;
|
|
|
|
todo_check_eq(condition, true, stack);
|
|
}
|
|
|
|
function do_check_false(condition, stack) {
|
|
Assert.ok(!condition, stack);
|
|
}
|
|
|
|
function todo_check_false(condition, stack) {
|
|
if (!stack)
|
|
stack = Components.stack.caller;
|
|
|
|
todo_check_eq(condition, false, stack);
|
|
}
|
|
|
|
function do_check_null(condition, stack) {
|
|
Assert.equal(condition, null);
|
|
}
|
|
|
|
function todo_check_null(condition, stack=Components.stack.caller) {
|
|
todo_check_eq(condition, null, stack);
|
|
}
|
|
function do_check_matches(pattern, value) {
|
|
Assert.deepEqual(pattern, value);
|
|
}
|
|
|
|
// Check that |func| throws an nsIException that has
|
|
// |Components.results[resultName]| as the value of its 'result' property.
|
|
function do_check_throws_nsIException(func, resultName,
|
|
stack=Components.stack.caller, todo=false)
|
|
{
|
|
let expected = Components.results[resultName];
|
|
if (typeof expected !== 'number') {
|
|
do_throw("do_check_throws_nsIException requires a Components.results" +
|
|
" property name, not " + uneval(resultName), stack);
|
|
}
|
|
|
|
let msg = ("do_check_throws_nsIException: func should throw" +
|
|
" an nsIException whose 'result' is Components.results." +
|
|
resultName);
|
|
|
|
try {
|
|
func();
|
|
} catch (ex) {
|
|
if (!(ex instanceof Components.interfaces.nsIException) ||
|
|
ex.result !== expected) {
|
|
do_report_result(false, msg + ", threw " + legible_exception(ex) +
|
|
" instead", stack, todo);
|
|
}
|
|
|
|
do_report_result(true, msg, stack, todo);
|
|
return;
|
|
}
|
|
|
|
// Call this here, not in the 'try' clause, so do_report_result's own
|
|
// throw doesn't get caught by our 'catch' clause.
|
|
do_report_result(false, msg + ", but returned normally", stack, todo);
|
|
}
|
|
|
|
// Produce a human-readable form of |exception|. This looks up
|
|
// Components.results values, tries toString methods, and so on.
|
|
function legible_exception(exception)
|
|
{
|
|
switch (typeof exception) {
|
|
case 'object':
|
|
if (exception instanceof Components.interfaces.nsIException) {
|
|
return "nsIException instance: " + uneval(exception.toString());
|
|
}
|
|
return exception.toString();
|
|
|
|
case 'number':
|
|
for (let name in Components.results) {
|
|
if (exception === Components.results[name]) {
|
|
return "Components.results." + name;
|
|
}
|
|
}
|
|
|
|
// Fall through.
|
|
default:
|
|
return uneval(exception);
|
|
}
|
|
}
|
|
|
|
function do_check_instanceof(value, constructor,
|
|
stack=Components.stack.caller, todo=false) {
|
|
do_report_result(value instanceof constructor,
|
|
"value should be an instance of " + constructor.name,
|
|
stack, todo);
|
|
}
|
|
|
|
function todo_check_instanceof(value, constructor,
|
|
stack=Components.stack.caller) {
|
|
do_check_instanceof(value, constructor, stack, true);
|
|
}
|
|
|
|
function do_test_pending(aName) {
|
|
++_tests_pending;
|
|
|
|
_log("test_pending",
|
|
{_message: "TEST-INFO | (xpcshell/head.js) | test" +
|
|
(aName ? " " + aName : "") +
|
|
" pending (" + _tests_pending + ")\n"});
|
|
}
|
|
|
|
function do_test_finished(aName) {
|
|
_log("test_finish",
|
|
{_message: "TEST-INFO | (xpcshell/head.js) | test" +
|
|
(aName ? " " + aName : "") +
|
|
" finished (" + _tests_pending + ")\n"});
|
|
if (--_tests_pending == 0)
|
|
_do_quit();
|
|
}
|
|
|
|
function do_get_file(path, allowNonexistent) {
|
|
try {
|
|
let lf = Components.classes["@mozilla.org/file/directory_service;1"]
|
|
.getService(Components.interfaces.nsIProperties)
|
|
.get("CurWorkD", Components.interfaces.nsILocalFile);
|
|
|
|
let bits = path.split("/");
|
|
for (let i = 0; i < bits.length; i++) {
|
|
if (bits[i]) {
|
|
if (bits[i] == "..")
|
|
lf = lf.parent;
|
|
else
|
|
lf.append(bits[i]);
|
|
}
|
|
}
|
|
|
|
if (!allowNonexistent && !lf.exists()) {
|
|
// Not using do_throw(): caller will continue.
|
|
_passed = false;
|
|
var stack = Components.stack.caller;
|
|
_log("test_unexpected_fail",
|
|
{source_file: stack.filename,
|
|
test_name: stack.name,
|
|
line_number: stack.lineNumber,
|
|
diagnostic: "[" + stack.name + " : " + stack.lineNumber + "] " +
|
|
lf.path + " does not exist\n"});
|
|
}
|
|
|
|
return lf;
|
|
}
|
|
catch (ex) {
|
|
do_throw(ex.toString(), Components.stack.caller);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// do_get_cwd() isn't exactly self-explanatory, so provide a helper
|
|
function do_get_cwd() {
|
|
return do_get_file("");
|
|
}
|
|
|
|
function do_load_manifest(path) {
|
|
var lf = do_get_file(path);
|
|
const nsIComponentRegistrar = Components.interfaces.nsIComponentRegistrar;
|
|
do_check_true(Components.manager instanceof nsIComponentRegistrar);
|
|
// Previous do_check_true() is not a test check.
|
|
++_falsePassedChecks;
|
|
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:
|
|
do_throw("type: expected application/xhtml+xml, application/xml or text/xml," +
|
|
" got '" + aType + "'",
|
|
Components.stack.caller);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* Registers a function that will run when the test harness is done running all
|
|
* tests.
|
|
*
|
|
* @param aFunction
|
|
* The function to be called when the test harness has finished running.
|
|
*/
|
|
function do_register_cleanup(aFunction)
|
|
{
|
|
_cleanupFunctions.push(aFunction);
|
|
}
|
|
|
|
/**
|
|
* Returns the directory for a temp dir, which is created by the
|
|
* test harness. Every test gets its own temp dir.
|
|
*
|
|
* @return nsILocalFile of the temporary directory
|
|
*/
|
|
function do_get_tempdir() {
|
|
let env = Components.classes["@mozilla.org/process/environment;1"]
|
|
.getService(Components.interfaces.nsIEnvironment);
|
|
// the python harness sets this in the environment for us
|
|
let path = env.get("XPCSHELL_TEST_TEMP_DIR");
|
|
let file = Components.classes["@mozilla.org/file/local;1"]
|
|
.createInstance(Components.interfaces.nsILocalFile);
|
|
file.initWithPath(path);
|
|
return file;
|
|
}
|
|
|
|
/**
|
|
* Returns the directory for crashreporter minidumps.
|
|
*
|
|
* @return nsILocalFile of the minidump directory
|
|
*/
|
|
function do_get_minidumpdir() {
|
|
let env = Components.classes["@mozilla.org/process/environment;1"]
|
|
.getService(Components.interfaces.nsIEnvironment);
|
|
// the python harness may set this in the environment for us
|
|
let path = env.get("XPCSHELL_MINIDUMP_DIR");
|
|
if (path) {
|
|
let file = Components.classes["@mozilla.org/file/local;1"]
|
|
.createInstance(Components.interfaces.nsILocalFile);
|
|
file.initWithPath(path);
|
|
return file;
|
|
} else {
|
|
return do_get_tempdir();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Registers a directory with the profile service,
|
|
* and return the directory as an nsILocalFile.
|
|
*
|
|
* @return nsILocalFile of the profile directory.
|
|
*/
|
|
function do_get_profile() {
|
|
if (!runningInParent) {
|
|
_log("test_info",
|
|
{_message: "TEST-INFO | (xpcshell/head.js) | Ignoring profile creation from child process.\n"});
|
|
|
|
return null;
|
|
}
|
|
|
|
if (!_profileInitialized) {
|
|
// Since we have a profile, we will notify profile shutdown topics at
|
|
// the end of the current test, to ensure correct cleanup on shutdown.
|
|
do_register_cleanup(function() {
|
|
let obsSvc = Components.classes["@mozilla.org/observer-service;1"].
|
|
getService(Components.interfaces.nsIObserverService);
|
|
obsSvc.notifyObservers(null, "profile-change-net-teardown", null);
|
|
obsSvc.notifyObservers(null, "profile-change-teardown", null);
|
|
obsSvc.notifyObservers(null, "profile-before-change", null);
|
|
});
|
|
}
|
|
|
|
let env = Components.classes["@mozilla.org/process/environment;1"]
|
|
.getService(Components.interfaces.nsIEnvironment);
|
|
// the python harness sets this in the environment for us
|
|
let profd = env.get("XPCSHELL_TEST_PROFILE_DIR");
|
|
let file = Components.classes["@mozilla.org/file/local;1"]
|
|
.createInstance(Components.interfaces.nsILocalFile);
|
|
file.initWithPath(profd);
|
|
|
|
let dirSvc = Components.classes["@mozilla.org/file/directory_service;1"]
|
|
.getService(Components.interfaces.nsIProperties);
|
|
let provider = {
|
|
getFile: function(prop, persistent) {
|
|
persistent.value = true;
|
|
if (prop == "ProfD" || prop == "ProfLD" || prop == "ProfDS" ||
|
|
prop == "ProfLDS" || prop == "TmpD") {
|
|
return file.clone();
|
|
}
|
|
throw Components.results.NS_ERROR_FAILURE;
|
|
},
|
|
QueryInterface: function(iid) {
|
|
if (iid.equals(Components.interfaces.nsIDirectoryServiceProvider) ||
|
|
iid.equals(Components.interfaces.nsISupports)) {
|
|
return this;
|
|
}
|
|
throw Components.results.NS_ERROR_NO_INTERFACE;
|
|
}
|
|
};
|
|
dirSvc.QueryInterface(Components.interfaces.nsIDirectoryService)
|
|
.registerProvider(provider);
|
|
|
|
let obsSvc = Components.classes["@mozilla.org/observer-service;1"].
|
|
getService(Components.interfaces.nsIObserverService);
|
|
|
|
// We need to update the crash events directory when the profile changes.
|
|
if (runningInParent &&
|
|
"@mozilla.org/toolkit/crash-reporter;1" in Components.classes) {
|
|
let crashReporter =
|
|
Components.classes["@mozilla.org/toolkit/crash-reporter;1"]
|
|
.getService(Components.interfaces.nsICrashReporter);
|
|
crashReporter.UpdateCrashEventsDir();
|
|
}
|
|
|
|
if (!_profileInitialized) {
|
|
obsSvc.notifyObservers(null, "profile-do-change", "xpcshell-do-get-profile");
|
|
_profileInitialized = true;
|
|
}
|
|
|
|
// The methods of 'provider' will retain this scope so null out everything
|
|
// to avoid spurious leak reports.
|
|
env = null;
|
|
profd = null;
|
|
dirSvc = null;
|
|
provider = null;
|
|
obsSvc = null;
|
|
return file.clone();
|
|
}
|
|
|
|
/**
|
|
* This function loads head.js (this file) in the child process, so that all
|
|
* functions defined in this file (do_throw, etc) are available to subsequent
|
|
* sendCommand calls. It also sets various constants used by these functions.
|
|
*
|
|
* (Note that you may use sendCommand without calling this function first; you
|
|
* simply won't have any of the functions in this file available.)
|
|
*/
|
|
function do_load_child_test_harness()
|
|
{
|
|
// Make sure this isn't called from child process
|
|
if (!runningInParent) {
|
|
do_throw("run_test_in_child cannot be called from child!");
|
|
}
|
|
|
|
// Allow to be called multiple times, but only run once
|
|
if (typeof do_load_child_test_harness.alreadyRun != "undefined")
|
|
return;
|
|
do_load_child_test_harness.alreadyRun = 1;
|
|
|
|
_XPCSHELL_PROCESS = "parent";
|
|
|
|
let command =
|
|
"const _HEAD_JS_PATH=" + uneval(_HEAD_JS_PATH) + "; "
|
|
+ "const _HTTPD_JS_PATH=" + uneval(_HTTPD_JS_PATH) + "; "
|
|
+ "const _HEAD_FILES=" + uneval(_HEAD_FILES) + "; "
|
|
+ "const _TAIL_FILES=" + uneval(_TAIL_FILES) + "; "
|
|
+ "const _XPCSHELL_PROCESS='child';";
|
|
|
|
if (this._TESTING_MODULES_DIR) {
|
|
command += " const _TESTING_MODULES_DIR=" + uneval(_TESTING_MODULES_DIR) + ";";
|
|
}
|
|
|
|
command += " load(_HEAD_JS_PATH);";
|
|
sendCommand(command);
|
|
}
|
|
|
|
/**
|
|
* Runs an entire xpcshell unit test in a child process (rather than in chrome,
|
|
* which is the default).
|
|
*
|
|
* This function returns immediately, before the test has completed.
|
|
*
|
|
* @param testFile
|
|
* The name of the script to run. Path format same as load().
|
|
* @param optionalCallback.
|
|
* Optional function to be called (in parent) when test on child is
|
|
* complete. If provided, the function must call do_test_finished();
|
|
*/
|
|
function run_test_in_child(testFile, optionalCallback)
|
|
{
|
|
var callback = (typeof optionalCallback == 'undefined') ?
|
|
do_test_finished : optionalCallback;
|
|
|
|
do_load_child_test_harness();
|
|
|
|
var testPath = do_get_file(testFile).path.replace(/\\/g, "/");
|
|
do_test_pending("run in child");
|
|
sendCommand("_log('child_test_start', {_message: 'CHILD-TEST-STARTED'}); "
|
|
+ "const _TEST_FILE=['" + testPath + "']; _execute_test(); "
|
|
+ "_log('child_test_end', {_message: 'CHILD-TEST-COMPLETED'});",
|
|
callback);
|
|
}
|
|
|
|
/**
|
|
* Execute a given function as soon as a particular cross-process message is received.
|
|
* Must be paired with do_send_remote_message or equivalent ProcessMessageManager calls.
|
|
*/
|
|
function do_await_remote_message(name, callback)
|
|
{
|
|
var listener = {
|
|
receiveMessage: function(message) {
|
|
if (message.name == name) {
|
|
mm.removeMessageListener(name, listener);
|
|
callback();
|
|
do_test_finished();
|
|
}
|
|
}
|
|
};
|
|
|
|
var mm;
|
|
if (runningInParent) {
|
|
mm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster);
|
|
} else {
|
|
mm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender);
|
|
}
|
|
do_test_pending();
|
|
mm.addMessageListener(name, listener);
|
|
}
|
|
|
|
/**
|
|
* Asynchronously send a message to all remote processes. Pairs with do_await_remote_message
|
|
* or equivalent ProcessMessageManager listeners.
|
|
*/
|
|
function do_send_remote_message(name) {
|
|
var mm;
|
|
var sender;
|
|
if (runningInParent) {
|
|
mm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster);
|
|
sender = 'broadcastAsyncMessage';
|
|
} else {
|
|
mm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender);
|
|
sender = 'sendAsyncMessage';
|
|
}
|
|
mm[sender](name);
|
|
}
|
|
|
|
/**
|
|
* Add a test function to the list of tests that are to be run asynchronously.
|
|
*
|
|
* Each test function must call run_next_test() when it's done. Test files
|
|
* should call run_next_test() in their run_test function to execute all
|
|
* async tests.
|
|
*
|
|
* @return the test function that was passed in.
|
|
*/
|
|
let _gTests = [];
|
|
function add_test(func) {
|
|
_gTests.push([false, func]);
|
|
return func;
|
|
}
|
|
|
|
/**
|
|
* Add a test function which is a Task function.
|
|
*
|
|
* Task functions are functions fed into Task.jsm's Task.spawn(). They are
|
|
* generators that emit promises.
|
|
*
|
|
* If an exception is thrown, a do_check_* comparison fails, or if a rejected
|
|
* promise is yielded, the test function aborts immediately and the test is
|
|
* reported as a failure.
|
|
*
|
|
* Unlike add_test(), there is no need to call run_next_test(). The next test
|
|
* will run automatically as soon the task function is exhausted. To trigger
|
|
* premature (but successful) termination of the function, simply return or
|
|
* throw a Task.Result instance.
|
|
*
|
|
* Example usage:
|
|
*
|
|
* add_task(function test() {
|
|
* let result = yield Promise.resolve(true);
|
|
*
|
|
* do_check_true(result);
|
|
*
|
|
* let secondary = yield someFunctionThatReturnsAPromise(result);
|
|
* do_check_eq(secondary, "expected value");
|
|
* });
|
|
*
|
|
* add_task(function test_early_return() {
|
|
* let result = yield somethingThatReturnsAPromise();
|
|
*
|
|
* if (!result) {
|
|
* // Test is ended immediately, with success.
|
|
* return;
|
|
* }
|
|
*
|
|
* do_check_eq(result, "foo");
|
|
* });
|
|
*/
|
|
function add_task(func) {
|
|
_gTests.push([true, func]);
|
|
}
|
|
let _Task = Components.utils.import("resource://gre/modules/Task.jsm", {}).Task;
|
|
_Task.Debugging.maintainStack = true;
|
|
|
|
|
|
/**
|
|
* Runs the next test function from the list of async tests.
|
|
*/
|
|
let _gRunningTest = null;
|
|
let _gTestIndex = 0; // The index of the currently running test.
|
|
let _gTaskRunning = false;
|
|
function run_next_test()
|
|
{
|
|
if (_gTaskRunning) {
|
|
throw new Error("run_next_test() called from an add_task() test function. " +
|
|
"run_next_test() should not be called from inside add_task() " +
|
|
"under any circumstances!");
|
|
}
|
|
|
|
function _run_next_test()
|
|
{
|
|
if (_gTestIndex < _gTests.length) {
|
|
// Flush uncaught errors as early and often as possible.
|
|
_Promise.Debugging.flushUncaughtErrors();
|
|
let _isTask;
|
|
[_isTask, _gRunningTest] = _gTests[_gTestIndex++];
|
|
print("TEST-INFO | " + _TEST_FILE + " | Starting " + _gRunningTest.name);
|
|
do_test_pending(_gRunningTest.name);
|
|
|
|
if (_isTask) {
|
|
_gTaskRunning = true;
|
|
_Task.spawn(_gRunningTest).then(
|
|
() => { _gTaskRunning = false; run_next_test(); },
|
|
(ex) => { _gTaskRunning = false; do_report_unexpected_exception(ex); }
|
|
);
|
|
} else {
|
|
// Exceptions do not kill asynchronous tests, so they'll time out.
|
|
try {
|
|
_gRunningTest();
|
|
} catch (e) {
|
|
do_throw(e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// For sane stacks during failures, we execute this code soon, but not now.
|
|
// We do this now, before we call do_test_finished(), to ensure the pending
|
|
// counter (_tests_pending) never reaches 0 while we still have tests to run
|
|
// (do_execute_soon bumps that counter).
|
|
do_execute_soon(_run_next_test, "run_next_test " + _gTestIndex);
|
|
|
|
if (_gRunningTest !== null) {
|
|
// Close the previous test do_test_pending call.
|
|
do_test_finished(_gRunningTest.name);
|
|
}
|
|
}
|
|
|
|
try {
|
|
if (runningInParent) {
|
|
// Always use network provider for geolocation tests
|
|
// so we bypass the OSX dialog raised by the corelocation provider
|
|
let prefs = Components.classes["@mozilla.org/preferences-service;1"]
|
|
.getService(Components.interfaces.nsIPrefBranch);
|
|
|
|
prefs.setBoolPref("geo.provider.testing", true);
|
|
}
|
|
} catch (e) { }
|