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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { Cu } = require("chrome");
const memory = require("sdk/test/memory");
const { add, remove, has, clear, iterator } = require("sdk/lang/weak-set");
const { setInterval, clearInterval } = require("sdk/timers");
function gc(assert) {
let wait = 1;
let interval = setInterval(function() {
assert.pass("waited " + (wait++ * 0.250) + "secs for gc()..");
}, 250);
return memory.gc().then(() => {
assert.pass("gc completed!");
clearInterval(interval);
});
}
exports['test add/remove/iterate/clear item'] = function*(assert) {
let addItems = {};
let removeItems = {};
let iterateItems = {};
let clearItems = {};
let nonReferencedItems = {};
let item = {};
let addedItems = [{}, {}];
assert.pass("adding things to items");
add(addItems, item);
add(removeItems, item);
add(iterateItems, addedItems[0]);
add(iterateItems, addedItems[1]);
add(iterateItems, addedItems[0]); // weak set shouldn't add this twice
add(clearItems, addedItems[0]);
add(clearItems, addedItems[1]);
add(nonReferencedItems, {});
assert.pass("removing things from removeItems");
remove(removeItems, item);
assert.pass("clear things from clearItems");
clear(clearItems);
assert.pass("starting gc..");
yield gc(assert);
let count = 0;
assert.equal(has(addItems, item), true, 'the addItems is in the weak set');
assert.equal(has(removeItems, item), false, 'the removeItems is not in weak set');
assert.pass("iterating iterateItems..");
for (let item of iterator(iterateItems)) {
assert.equal(item, addedItems[count], "item in the expected order");
count++;
}
assert.equal(count, 2, 'items in the expected number');
assert.pass("iterating clearItems..");
for (let item of iterator(clearItems)) {
assert.fail("the loop should not be executed");
count++
}
for (let item of iterator(nonReferencedItems)) {
assert.fail("the loop should not be executed");
count++
}
assert.equal(count, 2, 'items in the expected number');
};
exports['test adding non object or null item'] = function(assert) {
let items = {};
assert.throws(() => {
add(items, 'foo');
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
assert.throws(() => {
add(items, 0);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
assert.throws(() => {
add(items, undefined);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
assert.throws(() => {
add(items, null);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
assert.throws(() => {
add(items, true);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
};
exports['test adding to non object or null item'] = function(assert) {
let item = {};
assert.throws(() => {
add('foo', item);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
assert.throws(() => {
add(0, item);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
assert.throws(() => {
add(undefined, item);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
assert.throws(() => {
add(null, item);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
assert.throws(() => {
add(true, item);
},
/^\w+ is not a non-null object/,
'only non-null object are allowed');
};
require("sdk/test").run(exports);
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