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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 { isWeak, WeakReference } = require("sdk/core/reference");
const { Class } = require("sdk/core/heritage");
exports["test non WeakReferences"] = assert => {
assert.equal(isWeak({}), false,
"regular objects aren't weak");
assert.equal(isWeak([]), false,
"arrays aren't weak");
};
exports["test a WeakReference"] = assert => {
assert.equal(isWeak(new WeakReference()), true,
"instances of WeakReferences are weak");
};
exports["test a subclass"] = assert => {
const SubType = Class({
extends: WeakReference,
foo: function() {
}
});
const x = new SubType();
assert.equal(isWeak(x), true,
"subtypes of WeakReferences are weak");
const SubSubType = Class({
extends: SubType
});
const y = new SubSubType();
assert.equal(isWeak(y), true,
"sub subtypes of WeakReferences are weak");
};
exports["test a mixin"] = assert => {
const Mixer = Class({
implements: [WeakReference]
});
assert.equal(isWeak(new Mixer()), true,
"instances with mixed WeakReference are weak");
const Mux = Class({});
const MixMux = Class({
extends: Mux,
implements: [WeakReference]
});
assert.equal(isWeak(new MixMux()), true,
"instances with mixed WeakReference that " +
"inheret from other are weak");
const Base = Class({});
const ReMix = Class({
extends: Base,
implements: [MixMux]
});
assert.equal(isWeak(new ReMix()), true,
"subtime of mix is still weak");
};
exports["test an override"] = assert => {
const SubType = Class({ extends: WeakReference });
isWeak.define(SubType, x => false);
assert.equal(isWeak(new SubType()), false,
"behavior of isWeak can still be overrided on subtype");
const Mixer = Class({ implements: [WeakReference] });
const SubMixer = Class({ extends: Mixer });
isWeak.define(SubMixer, x => false);
assert.equal(isWeak(new SubMixer()), false,
"behavior of isWeak can still be overrided on mixed type");
};
exports["test an opt-in"] = assert => {
var BaseType = Class({});
var SubType = Class({ extends: BaseType });
isWeak.define(SubType, x => true);
assert.equal(isWeak(new SubType()), true,
"isWeak can be just implemented");
var x = {};
isWeak.implement(x, x => true);
assert.equal(isWeak(x), true,
"isWeak can be implemented per instance");
};
require("sdk/test").run(exports);
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