718 lines
22 KiB
JavaScript
718 lines
22 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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* Tests Places query serialization. Associated bug is
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* https://bugzilla.mozilla.org/show_bug.cgi?id=370197
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*
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* The simple idea behind this test is to try out different combinations of
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* query switches and ensure that queries are the same before serialization
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* as they are after de-serialization.
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*
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* In the code below, "switch" refers to a query option -- "option" in a broad
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* sense, not nsINavHistoryQueryOptions specifically (which is why we refer to
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* them as switches, not options). Both nsINavHistoryQuery and
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* nsINavHistoryQueryOptions allow you to specify switches that affect query
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* strings. nsINavHistoryQuery instances have attributes hasBeginTime,
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* hasEndTime, hasSearchTerms, and so on. nsINavHistoryQueryOptions instances
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* have attributes sortingMode, resultType, excludeItems, etc.
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*
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* Ideally we would like to test all 2^N subsets of switches, where N is the
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* total number of switches; switches might interact in erroneous or other ways
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* we do not expect. However, since N is large (21 at this time), that's
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* impractical for a single test in a suite.
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*
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* Instead we choose all possible subsets of a certain, smaller size. In fact
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* we begin by choosing CHOOSE_HOW_MANY_SWITCHES_LO and ramp up to
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* CHOOSE_HOW_MANY_SWITCHES_HI.
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*
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* There are two more wrinkles. First, for some switches we'd like to be able to
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* test multiple values. For example, it seems like a good idea to test both an
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* empty string and a non-empty string for switch nsINavHistoryQuery.searchTerms.
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* When switches have more than one value for a test run, we use the Cartesian
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* product of their values to generate all possible combinations of values.
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*
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* To summarize, here's how this test works:
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*
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* - For n = CHOOSE_HOW_MANY_SWITCHES_LO to CHOOSE_HOW_MANY_SWITCHES_HI:
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* - From the total set of switches choose all possible subsets of size n.
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* For each of those subsets s:
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* - Collect the test runs of each switch in subset s and take their
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* Cartesian product. For each sequence in the product:
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* - Create nsINavHistoryQuery and nsINavHistoryQueryOptions objects
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* with the chosen switches and test run values.
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* - Serialize the query.
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* - De-serialize and ensure that the de-serialized query objects equal
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* the originals.
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*/
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const CHOOSE_HOW_MANY_SWITCHES_LO = 1;
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const CHOOSE_HOW_MANY_SWITCHES_HI = 2;
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// The switches are represented by objects below, in arrays querySwitches and
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// queryOptionSwitches. Use them to set up test runs.
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//
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// Some switches have special properties (where noted), but all switches must
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// have the following properties:
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//
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// matches: A function that takes two nsINavHistoryQuery objects (in the case
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// of nsINavHistoryQuery switches) or two nsINavHistoryQueryOptions
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// objects (for nsINavHistoryQueryOptions switches) and returns true
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// if the values of the switch in the two objects are equal. This is
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// the foundation of how we determine if two queries are equal.
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// runs: An array of functions. Each function takes an nsINavHistoryQuery
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// object and an nsINavHistoryQueryOptions object. The functions
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// should set the attributes of one of the two objects as appropriate
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// to their switches. This is how switch values are set for each test
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// run.
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//
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// The following properties are optional:
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//
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// desc: An informational string to print out during runs when the switch
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// is chosen. Hopefully helpful if the test fails.
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// nsINavHistoryQuery switches
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const querySwitches = [
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// hasBeginTime
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{
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// flag and subswitches are used by the flagSwitchMatches function. Several
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// of the nsINavHistoryQuery switches (like this one) are really guard flags
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// that indicate if other "subswitches" are enabled.
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flag: "hasBeginTime",
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subswitches: ["beginTime", "beginTimeReference", "absoluteBeginTime"],
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desc: "nsINavHistoryQuery.hasBeginTime",
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matches: flagSwitchMatches,
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runs: [
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function (aQuery) {
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aQuery.beginTime = Date.now() * 1000;
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aQuery.beginTimeReference = Ci.nsINavHistoryQuery.TIME_RELATIVE_EPOCH;
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},
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function (aQuery) {
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aQuery.beginTime = Date.now() * 1000;
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aQuery.beginTimeReference = Ci.nsINavHistoryQuery.TIME_RELATIVE_TODAY;
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},
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],
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},
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// hasEndTime
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{
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flag: "hasEndTime",
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subswitches: ["endTime", "endTimeReference", "absoluteEndTime"],
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desc: "nsINavHistoryQuery.hasEndTime",
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matches: flagSwitchMatches,
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runs: [
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function (aQuery) {
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aQuery.endTime = Date.now() * 1000;
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aQuery.endTimeReference = Ci.nsINavHistoryQuery.TIME_RELATIVE_EPOCH;
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},
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function (aQuery) {
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aQuery.endTime = Date.now() * 1000;
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aQuery.endTimeReference = Ci.nsINavHistoryQuery.TIME_RELATIVE_TODAY;
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},
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],
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},
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// hasSearchTerms
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{
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flag: "hasSearchTerms",
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subswitches: ["searchTerms"],
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desc: "nsINavHistoryQuery.hasSearchTerms",
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matches: flagSwitchMatches,
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runs: [
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function (aQuery) {
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aQuery.searchTerms = "shrimp and white wine";
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},
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function (aQuery) {
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aQuery.searchTerms = "";
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},
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],
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},
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// hasDomain
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{
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flag: "hasDomain",
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subswitches: ["domain", "domainIsHost"],
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desc: "nsINavHistoryQuery.hasDomain",
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matches: flagSwitchMatches,
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runs: [
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function (aQuery) {
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aQuery.domain = "mozilla.com";
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aQuery.domainIsHost = false;
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},
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function (aQuery) {
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aQuery.domain = "www.mozilla.com";
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aQuery.domainIsHost = true;
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},
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function (aQuery) {
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aQuery.domain = "";
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},
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],
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},
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// hasUri
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{
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flag: "hasUri",
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subswitches: ["uri"],
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desc: "nsINavHistoryQuery.hasUri",
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matches: flagSwitchMatches,
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runs: [
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function (aQuery) {
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aQuery.uri = uri("http://mozilla.com");
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},
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],
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},
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// minVisits
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{
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// property is used by function simplePropertyMatches.
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property: "minVisits",
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desc: "nsINavHistoryQuery.minVisits",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery) {
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aQuery.minVisits = 0x7fffffff; // 2^31 - 1
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},
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],
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},
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// maxVisits
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{
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property: "maxVisits",
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desc: "nsINavHistoryQuery.maxVisits",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery) {
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aQuery.maxVisits = 0x7fffffff; // 2^31 - 1
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},
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],
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},
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// getFolders
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{
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desc: "nsINavHistoryQuery.getParents",
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matches(aQuery1, aQuery2) {
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var q1Parents = aQuery1.getParents();
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var q2Parents = aQuery2.getParents();
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if (q1Parents.length !== q2Parents.length) {
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return false;
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}
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for (let i = 0; i < q1Parents.length; i++) {
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if (!q2Parents.includes(q1Parents[i])) {
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return false;
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}
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}
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for (let i = 0; i < q2Parents.length; i++) {
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if (!q1Parents.includes(q2Parents[i])) {
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return false;
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}
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}
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return true;
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},
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runs: [
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function (aQuery) {
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aQuery.setParents([]);
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},
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function (aQuery) {
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aQuery.setParents([PlacesUtils.bookmarks.rootGuid]);
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},
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function (aQuery) {
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aQuery.setParents([
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PlacesUtils.bookmarks.rootGuid,
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PlacesUtils.bookmarks.tagsGuid,
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]);
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},
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],
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},
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// tags
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{
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desc: "nsINavHistoryQuery.getTags",
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matches(aQuery1, aQuery2) {
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if (aQuery1.tagsAreNot !== aQuery2.tagsAreNot) {
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return false;
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}
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var q1Tags = aQuery1.tags;
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var q2Tags = aQuery2.tags;
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if (q1Tags.length !== q2Tags.length) {
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return false;
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}
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for (let i = 0; i < q1Tags.length; i++) {
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if (!q2Tags.includes(q1Tags[i])) {
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return false;
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}
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}
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for (let i = 0; i < q2Tags.length; i++) {
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if (!q1Tags.includes(q2Tags[i])) {
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return false;
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}
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}
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return true;
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},
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runs: [
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function (aQuery) {
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aQuery.tags = [];
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},
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function (aQuery) {
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aQuery.tags = [""];
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},
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function (aQuery) {
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aQuery.tags = [
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"foo",
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"七難",
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"",
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"いっぱいおっぱい",
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"Abracadabra",
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"１２３",
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"Here's a pretty long tag name with some = signs and 1 2 3s and spaces oh jeez will it work I hope so!",
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"アスキーでございません",
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"あいうえお",
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];
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},
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function (aQuery) {
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aQuery.tags = [
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"foo",
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"七難",
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"",
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"いっぱいおっぱい",
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"Abracadabra",
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"１２３",
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"Here's a pretty long tag name with some = signs and 1 2 3s and spaces oh jeez will it work I hope so!",
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"アスキーでございません",
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"あいうえお",
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];
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aQuery.tagsAreNot = true;
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},
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],
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},
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// transitions
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{
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desc: "tests nsINavHistoryQuery.getTransitions",
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matches(aQuery1, aQuery2) {
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var q1Trans = aQuery1.getTransitions();
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var q2Trans = aQuery2.getTransitions();
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if (q1Trans.length !== q2Trans.length) {
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return false;
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}
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for (let i = 0; i < q1Trans.length; i++) {
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if (!q2Trans.includes(q1Trans[i])) {
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return false;
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}
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}
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for (let i = 0; i < q2Trans.length; i++) {
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if (!q1Trans.includes(q2Trans[i])) {
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return false;
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}
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}
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return true;
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},
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runs: [
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function (aQuery) {
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aQuery.setTransitions([]);
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},
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function (aQuery) {
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aQuery.setTransitions([Ci.nsINavHistoryService.TRANSITION_DOWNLOAD]);
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},
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function (aQuery) {
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aQuery.setTransitions([
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Ci.nsINavHistoryService.TRANSITION_TYPED,
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Ci.nsINavHistoryService.TRANSITION_BOOKMARK,
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]);
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},
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],
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},
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];
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// nsINavHistoryQueryOptions switches
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const queryOptionSwitches = [
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// sortingMode
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{
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desc: "nsINavHistoryQueryOptions.sortingMode",
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matches(aOptions1, aOptions2) {
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if (aOptions1.sortingMode === aOptions2.sortingMode) {
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return true;
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}
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return false;
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},
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runs: [
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function (aQuery, aQueryOptions) {
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aQueryOptions.sortingMode = aQueryOptions.SORT_BY_DATE_ASCENDING;
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},
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],
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},
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// resultType
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{
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// property is used by function simplePropertyMatches.
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property: "resultType",
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desc: "nsINavHistoryQueryOptions.resultType",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery, aQueryOptions) {
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aQueryOptions.resultType = aQueryOptions.RESULTS_AS_URI;
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},
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],
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},
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// excludeItems
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{
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property: "excludeItems",
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desc: "nsINavHistoryQueryOptions.excludeItems",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery, aQueryOptions) {
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aQueryOptions.excludeItems = true;
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},
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],
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},
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// excludeQueries
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{
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property: "excludeQueries",
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desc: "nsINavHistoryQueryOptions.excludeQueries",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery, aQueryOptions) {
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aQueryOptions.excludeQueries = true;
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},
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],
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},
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// expandQueries
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{
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property: "expandQueries",
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desc: "nsINavHistoryQueryOptions.expandQueries",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery, aQueryOptions) {
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aQueryOptions.expandQueries = true;
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},
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],
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},
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// includeHidden
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{
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property: "includeHidden",
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desc: "nsINavHistoryQueryOptions.includeHidden",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery, aQueryOptions) {
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aQueryOptions.includeHidden = true;
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},
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],
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},
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// maxResults
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{
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property: "maxResults",
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desc: "nsINavHistoryQueryOptions.maxResults",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery, aQueryOptions) {
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aQueryOptions.maxResults = 0xffffffff; // 2^32 - 1
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},
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],
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},
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// queryType
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{
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property: "queryType",
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desc: "nsINavHistoryQueryOptions.queryType",
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matches: simplePropertyMatches,
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runs: [
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function (aQuery, aQueryOptions) {
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aQueryOptions.queryType = aQueryOptions.QUERY_TYPE_HISTORY;
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},
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function (aQuery, aQueryOptions) {
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aQueryOptions.queryType = aQueryOptions.QUERY_TYPE_BOOKMARKS;
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},
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],
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},
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];
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/**
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* Enumerates all the sequences of the cartesian product of the arrays contained
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* in aSequences. Examples:
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*
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* cartProd([[1, 2, 3], ["a", "b"]], callback);
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* // callback is called 3 * 2 = 6 times with the following arrays:
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* // [1, "a"], [1, "b"], [2, "a"], [2, "b"], [3, "a"], [3, "b"]
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*
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* cartProd([["a"], [1, 2, 3], ["X", "Y"]], callback);
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* // callback is called 1 * 3 * 2 = 6 times with the following arrays:
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* // ["a", 1, "X"], ["a", 1, "Y"], ["a", 2, "X"], ["a", 2, "Y"],
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* // ["a", 3, "X"], ["a", 3, "Y"]
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*
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* cartProd([[1], [2], [3], [4]], callback);
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* // callback is called 1 * 1 * 1 * 1 = 1 time with the following array:
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* // [1, 2, 3, 4]
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*
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* cartProd([], callback);
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* // callback is 0 times
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*
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* cartProd([[1, 2, 3, 4]], callback);
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* // callback is called 4 times with the following arrays:
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* // [1], [2], [3], [4]
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*
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* @param aSequences
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* an array that contains an arbitrary number of arrays
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* @param aCallback
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* a function that is passed each sequence of the product as it's
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* computed
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* @return the total number of sequences in the product
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*/
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function cartProd(aSequences, aCallback) {
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if (aSequences.length === 0) {
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return 0;
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}
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// For each sequence in aSequences, we maintain a pointer (an array index,
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// really) to the element we're currently enumerating in that sequence
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var seqEltPtrs = aSequences.map(() => 0);
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var numProds = 0;
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var done = false;
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while (!done) {
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numProds++;
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// prod = sequence in product we're currently enumerating
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let prod = [];
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for (let i = 0; i < aSequences.length; i++) {
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prod.push(aSequences[i][seqEltPtrs[i]]);
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}
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aCallback(prod);
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// The next sequence in the product differs from the current one by just a
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// single element. Determine which element that is. We advance the
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// "rightmost" element pointer to the "right" by one. If we move past the
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// end of that pointer's sequence, reset the pointer to the first element
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// in its sequence and then try the sequence to the "left", and so on.
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// seqPtr = index of rightmost input sequence whose element pointer is not
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// past the end of the sequence
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let seqPtr = aSequences.length - 1;
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while (!done) {
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// Advance the rightmost element pointer.
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seqEltPtrs[seqPtr]++;
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// The rightmost element pointer is past the end of its sequence.
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if (seqEltPtrs[seqPtr] >= aSequences[seqPtr].length) {
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seqEltPtrs[seqPtr] = 0;
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seqPtr--;
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// All element pointers are past the ends of their sequences.
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if (seqPtr < 0) {
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done = true;
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}
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} else {
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break;
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}
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}
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}
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return numProds;
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}
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/**
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* Enumerates all the subsets in aSet of size aHowMany. There are
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* C(aSet.length, aHowMany) such subsets. aCallback will be passed each subset
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* as it is generated. Note that aSet and the subsets enumerated are -- even
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* though they're arrays -- not sequences; the ordering of their elements is not
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* important. Example:
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*
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* choose([1, 2, 3, 4], 2, callback);
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* // callback is called C(4, 2) = 6 times with the following sets (arrays):
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* // [1, 2], [1, 3], [1, 4], [2, 3], [2, 4], [3, 4]
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*
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* @param aSet
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* an array from which to choose elements, aSet.length > 0
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* @param aHowMany
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||
* the number of elements to choose, > 0 and <= aSet.length
|
||
* @return the total number of sets chosen
|
||
*/
|
||
function choose(aSet, aHowMany, aCallback) {
|
||
// ptrs = indices of the elements in aSet we're currently choosing
|
||
var ptrs = [];
|
||
for (let i = 0; i < aHowMany; i++) {
|
||
ptrs.push(i);
|
||
}
|
||
|
||
var numFound = 0;
|
||
var done = false;
|
||
while (!done) {
|
||
numFound++;
|
||
aCallback(ptrs.map(p => aSet[p]));
|
||
|
||
// The next subset to be chosen differs from the current one by just a
|
||
// single element. Determine which element that is. Advance the "rightmost"
|
||
// pointer to the "right" by one. If we move past the end of set, move the
|
||
// next non-adjacent rightmost pointer to the right by one, and reset all
|
||
// succeeding pointers so that they're adjacent to it. When all pointers
|
||
// are clustered all the way to the right, we're done.
|
||
|
||
// Advance the rightmost pointer.
|
||
ptrs[ptrs.length - 1]++;
|
||
|
||
// The rightmost pointer has gone past the end of set.
|
||
if (ptrs[ptrs.length - 1] >= aSet.length) {
|
||
// Find the next rightmost pointer that is not adjacent to the current one.
|
||
let si = aSet.length - 2; // aSet index
|
||
let pi = ptrs.length - 2; // ptrs index
|
||
while (pi >= 0 && ptrs[pi] === si) {
|
||
pi--;
|
||
si--;
|
||
}
|
||
|
||
// All pointers are adjacent and clustered all the way to the right.
|
||
if (pi < 0) {
|
||
done = true;
|
||
} else {
|
||
// pi = index of rightmost pointer with a gap between it and its
|
||
// succeeding pointer. Move it right and reset all succeeding pointers
|
||
// so that they're adjacent to it.
|
||
ptrs[pi]++;
|
||
for (let i = 0; i < ptrs.length - pi - 1; i++) {
|
||
ptrs[i + pi + 1] = ptrs[pi] + i + 1;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return numFound;
|
||
}
|
||
|
||
/**
|
||
* Convenience function for nsINavHistoryQuery switches that act as flags. This
|
||
* is attached to switch objects. See querySwitches array above.
|
||
*
|
||
* @param aQuery1
|
||
* an nsINavHistoryQuery object
|
||
* @param aQuery2
|
||
* another nsINavHistoryQuery object
|
||
* @return true if this switch is the same in both aQuery1 and aQuery2
|
||
*/
|
||
function flagSwitchMatches(aQuery1, aQuery2) {
|
||
if (aQuery1[this.flag] && aQuery2[this.flag]) {
|
||
for (let p in this.subswitches) {
|
||
if (p in aQuery1 && p in aQuery2) {
|
||
if (aQuery1[p] instanceof Ci.nsIURI) {
|
||
if (!aQuery1[p].equals(aQuery2[p])) {
|
||
return false;
|
||
}
|
||
} else if (aQuery1[p] !== aQuery2[p]) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
} else if (aQuery1[this.flag] || aQuery2[this.flag]) {
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Tests if aObj1 and aObj2 are equal. This function is general and may be used
|
||
* for either nsINavHistoryQuery or nsINavHistoryQueryOptions objects. aSwitches
|
||
* determines which set of switches is used for comparison. Pass in either
|
||
* querySwitches or queryOptionSwitches.
|
||
*
|
||
* @param aSwitches
|
||
* determines which set of switches applies to aObj1 and aObj2, either
|
||
* querySwitches or queryOptionSwitches
|
||
* @param aObj1
|
||
* an nsINavHistoryQuery or nsINavHistoryQueryOptions object
|
||
* @param aObj2
|
||
* another nsINavHistoryQuery or nsINavHistoryQueryOptions object
|
||
* @return true if aObj1 and aObj2 are equal
|
||
*/
|
||
function queryObjsEqual(aSwitches, aObj1, aObj2) {
|
||
for (let i = 0; i < aSwitches.length; i++) {
|
||
if (!aSwitches[i].matches(aObj1, aObj2)) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* This drives the test runs. See the comment at the top of this file.
|
||
*
|
||
* @param aHowManyLo
|
||
* the size of the switch subsets to start with
|
||
* @param aHowManyHi
|
||
* the size of the switch subsets to end with (inclusive)
|
||
*/
|
||
function runQuerySequences(aHowManyLo, aHowManyHi) {
|
||
var allSwitches = querySwitches.concat(queryOptionSwitches);
|
||
|
||
// Choose aHowManyLo switches up to aHowManyHi switches.
|
||
for (let howMany = aHowManyLo; howMany <= aHowManyHi; howMany++) {
|
||
let numIters = 0;
|
||
print("CHOOSING " + howMany + " SWITCHES");
|
||
|
||
// Choose all subsets of size howMany from allSwitches.
|
||
choose(allSwitches, howMany, function (chosenSwitches) {
|
||
print(numIters);
|
||
numIters++;
|
||
|
||
// Collect the runs.
|
||
// runs = [ [runs from switch 1], ..., [runs from switch howMany] ]
|
||
var runs = chosenSwitches.map(function (s) {
|
||
if (s.desc) {
|
||
print(" " + s.desc);
|
||
}
|
||
return s.runs;
|
||
});
|
||
|
||
// cartProd(runs) => [
|
||
// [switch 1 run 1, switch 2 run 1, ..., switch howMany run 1 ],
|
||
// ...,
|
||
// [switch 1 run 1, switch 2 run 1, ..., switch howMany run N ],
|
||
// ..., ...,
|
||
// [switch 1 run N, switch 2 run N, ..., switch howMany run 1 ],
|
||
// ...,
|
||
// [switch 1 run N, switch 2 run N, ..., switch howMany run N ],
|
||
// ]
|
||
cartProd(runs, function (runSet) {
|
||
// Create a new query, apply the switches in runSet, and test it.
|
||
var query = PlacesUtils.history.getNewQuery();
|
||
var opts = PlacesUtils.history.getNewQueryOptions();
|
||
for (let i = 0; i < runSet.length; i++) {
|
||
runSet[i](query, opts);
|
||
}
|
||
serializeDeserialize(query, opts);
|
||
});
|
||
});
|
||
}
|
||
print("\n");
|
||
}
|
||
|
||
/**
|
||
* Serializes the nsINavHistoryQuery objects in aQuery and the
|
||
* nsINavHistoryQueryOptions object aQueryOptions, de-serializes the
|
||
* serialization, and ensures (using do_check_* functions) that the
|
||
* de-serialized objects equal the originals.
|
||
*
|
||
* @param aQuery
|
||
* an nsINavHistoryQuery object
|
||
* @param aQueryOptions
|
||
* an nsINavHistoryQueryOptions object
|
||
*/
|
||
function serializeDeserialize(aQuery, aQueryOptions) {
|
||
let queryStr = PlacesUtils.history.queryToQueryString(aQuery, aQueryOptions);
|
||
print(" " + queryStr);
|
||
let query2 = {},
|
||
opts2 = {};
|
||
PlacesUtils.history.queryStringToQuery(queryStr, query2, opts2);
|
||
query2 = query2.value;
|
||
opts2 = opts2.value;
|
||
|
||
Assert.ok(queryObjsEqual(querySwitches, aQuery, query2));
|
||
|
||
// Finally check the query options objects.
|
||
Assert.ok(queryObjsEqual(queryOptionSwitches, aQueryOptions, opts2));
|
||
}
|
||
|
||
/**
|
||
* Convenience function for switches that have simple values. This is attached
|
||
* to switch objects. See querySwitches and queryOptionSwitches arrays above.
|
||
*
|
||
* @param aObj1
|
||
* an nsINavHistoryQuery or nsINavHistoryQueryOptions object
|
||
* @param aObj2
|
||
* another nsINavHistoryQuery or nsINavHistoryQueryOptions object
|
||
* @return true if this switch is the same in both aObj1 and aObj2
|
||
*/
|
||
function simplePropertyMatches(aObj1, aObj2) {
|
||
return aObj1[this.property] === aObj2[this.property];
|
||
}
|
||
|
||
function run_test() {
|
||
runQuerySequences(CHOOSE_HOW_MANY_SWITCHES_LO, CHOOSE_HOW_MANY_SWITCHES_HI);
|
||
}
|