1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/addon-sdk/source/test/test-weak-set.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,208 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +'use strict';
1.9 +
1.10 +const { Cu } = require('chrome');
1.11 +const { Loader } = require('sdk/test/loader');
1.12 +const { defer } = require('sdk/core/promise');
1.13 +
1.14 +function gc() {
1.15 + let { promise, resolve } = defer();
1.16 +
1.17 + Cu.schedulePreciseGC(resolve);
1.18 +
1.19 + return promise;
1.20 +};
1.21 +
1.22 +exports['test adding item'] = function(assert, done) {
1.23 + let loader = Loader(module);
1.24 + let { add, remove, has, clear, iterator } = loader.require('sdk/lang/weak-set');
1.25 +
1.26 + let items = {};
1.27 + let item = {};
1.28 +
1.29 + add(items, item);
1.30 +
1.31 + gc().
1.32 + then(() => {
1.33 + assert.ok(has(items, item),
1.34 + 'the item is in the weak set');
1.35 + }).
1.36 + then(loader.unload).
1.37 + then(done, assert.fail);
1.38 +};
1.39 +
1.40 +exports['test remove item'] = function(assert, done) {
1.41 + let loader = Loader(module);
1.42 + let { add, remove, has, clear, iterator } = loader.require('sdk/lang/weak-set');
1.43 +
1.44 + let items = {};
1.45 + let item = {};
1.46 +
1.47 + add(items, item);
1.48 +
1.49 + remove(items, item);
1.50 +
1.51 + gc().
1.52 + then(() => {
1.53 + assert.ok(!has(items, item),
1.54 + 'the item is not in weak set');
1.55 + }).
1.56 + then(loader.unload).
1.57 + then(done, assert.fail);
1.58 +};
1.59 +
1.60 +exports['test iterate'] = function(assert, done) {
1.61 + let loader = Loader(module);
1.62 + let { add, remove, has, clear, iterator } = loader.require('sdk/lang/weak-set');
1.63 +
1.64 + let items = {};
1.65 + let addedItems = [{}, {}];
1.66 +
1.67 + add(items, addedItems[0]);
1.68 + add(items, addedItems[1]);
1.69 + add(items, addedItems[0]); // weak set shouldn't add this twice
1.70 +
1.71 + gc().
1.72 + then(() => {
1.73 + let count = 0;
1.74 +
1.75 + for (let item of iterator(items)) {
1.76 + assert.equal(item, addedItems[count],
1.77 + 'item in the expected order');
1.78 +
1.79 + count++;
1.80 + }
1.81 +
1.82 + assert.equal(count, 2,
1.83 + 'items in the expected number');
1.84 + }).
1.85 + then(loader.unload).
1.86 + then(done, assert.fail);
1.87 +};
1.88 +
1.89 +exports['test clear'] = function(assert, done) {
1.90 + let loader = Loader(module);
1.91 + let { add, remove, has, clear, iterator } = loader.require('sdk/lang/weak-set');
1.92 +
1.93 + let items = {};
1.94 + let addedItems = [{}, {}];
1.95 +
1.96 + add(items, addedItems[0]);
1.97 + add(items, addedItems[1]);
1.98 +
1.99 + clear(items)
1.100 +
1.101 + gc().
1.102 + then(() => {
1.103 + let count = 0;
1.104 +
1.105 + for (let item of iterator(items))
1.106 + assert.fail('the loop should not be executed');
1.107 +
1.108 + assert.equal(count, 0,
1.109 + 'no items in the weak set');
1.110 + }).
1.111 + then(loader.unload).
1.112 + then(done, assert.fail);
1.113 +};
1.114 +
1.115 +exports['test adding item without reference'] = function(assert, done) {
1.116 + let loader = Loader(module);
1.117 + let { add, remove, has, clear, iterator } = loader.require('sdk/lang/weak-set');
1.118 +
1.119 + let items = {};
1.120 +
1.121 + add(items, {});
1.122 +
1.123 + gc().
1.124 + then(() => {
1.125 + let count = 0;
1.126 +
1.127 + for (let item of iterator(items))
1.128 + assert.fail('the loop should not be executed');
1.129 +
1.130 + assert.equal(count, 0,
1.131 + 'no items in the weak set');
1.132 + }).
1.133 + then(loader.unload).
1.134 + then(done, assert.fail);
1.135 +};
1.136 +
1.137 +exports['test adding non object or null item'] = function(assert) {
1.138 + let loader = Loader(module);
1.139 + let { add, remove, has, clear, iterator } = loader.require('sdk/lang/weak-set');
1.140 +
1.141 + let items = {};
1.142 +
1.143 + assert.throws(() => {
1.144 + add(items, 'foo');
1.145 + },
1.146 + /^value is not a non-null object/,
1.147 + 'only non-null object are allowed');
1.148 +
1.149 + assert.throws(() => {
1.150 + add(items, 0);
1.151 + },
1.152 + /^value is not a non-null object/,
1.153 + 'only non-null object are allowed');
1.154 +
1.155 + assert.throws(() => {
1.156 + add(items, undefined);
1.157 + },
1.158 + /^value is not a non-null object/,
1.159 + 'only non-null object are allowed');
1.160 +
1.161 + assert.throws(() => {
1.162 + add(items, null);
1.163 + },
1.164 + /^value is not a non-null object/,
1.165 + 'only non-null object are allowed');
1.166 +
1.167 + assert.throws(() => {
1.168 + add(items, true);
1.169 + },
1.170 + /^value is not a non-null object/,
1.171 + 'only non-null object are allowed');
1.172 +};
1.173 +
1.174 +exports['test adding to non object or null item'] = function(assert) {
1.175 + let loader = Loader(module);
1.176 + let { add, remove, has, clear, iterator } = loader.require('sdk/lang/weak-set');
1.177 +
1.178 + let item = {};
1.179 +
1.180 + assert.throws(() => {
1.181 + add('foo', item);
1.182 + },
1.183 + /^value is not a non-null object/,
1.184 + 'only non-null object are allowed');
1.185 +
1.186 + assert.throws(() => {
1.187 + add(0, item);
1.188 + },
1.189 + /^value is not a non-null object/,
1.190 + 'only non-null object are allowed');
1.191 +
1.192 + assert.throws(() => {
1.193 + add(undefined, item);
1.194 + },
1.195 + /^value is not a non-null object/,
1.196 + 'only non-null object are allowed');
1.197 +
1.198 + assert.throws(() => {
1.199 + add(null, item);
1.200 + },
1.201 + /^value is not a non-null object/,
1.202 + 'only non-null object are allowed');
1.203 +
1.204 + assert.throws(() => {
1.205 + add(true, item);
1.206 + },
1.207 + /^value is not a non-null object/,
1.208 + 'only non-null object are allowed');
1.209 +};
1.210 +
1.211 +require('test').run(exports);
