The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/addon-sdk/source/test/test-reference.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,99 @@
     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 +"use strict";
     1.8 +
     1.9 +const { isWeak, WeakReference } = require("sdk/core/reference");
    1.10 +const { Class } = require("sdk/core/heritage");
    1.11 +
    1.12 +exports["test non WeakReferences"] = assert => {
    1.13 +  assert.equal(isWeak({}), false,
    1.14 +               "regular objects aren't weak");
    1.15 +
    1.16 +  assert.equal(isWeak([]), false,
    1.17 +               "arrays aren't weak");
    1.18 +};
    1.19 +
    1.20 +exports["test a WeakReference"] = assert => {
    1.21 +  assert.equal(isWeak(new WeakReference()), true,
    1.22 +               "instances of WeakReferences are weak");
    1.23 +};
    1.24 +
    1.25 +exports["test a subclass"] = assert => {
    1.26 +  const SubType = Class({
    1.27 +    extends: WeakReference,
    1.28 +    foo: function() {
    1.29 +    }
    1.30 +  });
    1.31 +
    1.32 +  const x = new SubType();
    1.33 +  assert.equal(isWeak(x), true,
    1.34 +               "subtypes of WeakReferences are weak");
    1.35 +
    1.36 +  const SubSubType = Class({
    1.37 +    extends: SubType
    1.38 +  });
    1.39 +
    1.40 +  const y = new SubSubType();
    1.41 +  assert.equal(isWeak(y), true,
    1.42 +               "sub subtypes of WeakReferences are weak");
    1.43 +};
    1.44 +
    1.45 +exports["test a mixin"] = assert => {
    1.46 +  const Mixer = Class({
    1.47 +    implements: [WeakReference]
    1.48 +  });
    1.49 +
    1.50 +  assert.equal(isWeak(new Mixer()), true,
    1.51 +               "instances with mixed WeakReference are weak");
    1.52 +
    1.53 +  const Mux = Class({});
    1.54 +  const MixMux = Class({
    1.55 +    extends: Mux,
    1.56 +    implements: [WeakReference]
    1.57 +  });
    1.58 +
    1.59 +  assert.equal(isWeak(new MixMux()), true,
    1.60 +               "instances with mixed WeakReference that " +
    1.61 +               "inheret from other are weak");
    1.62 +
    1.63 +
    1.64 +  const Base = Class({});
    1.65 +  const ReMix = Class({
    1.66 +    extends: Base,
    1.67 +    implements: [MixMux]
    1.68 +  });
    1.69 +
    1.70 +  assert.equal(isWeak(new ReMix()), true,
    1.71 +               "subtime of mix is still weak");
    1.72 +};
    1.73 +
    1.74 +exports["test an override"] = assert => {
    1.75 +  const SubType = Class({ extends: WeakReference });
    1.76 +  isWeak.define(SubType, x => false);
    1.77 +
    1.78 +  assert.equal(isWeak(new SubType()), false,
    1.79 +               "behavior of isWeak can still be overrided on subtype");
    1.80 +
    1.81 +  const Mixer = Class({ implements: [WeakReference] });
    1.82 +  const SubMixer = Class({ extends: Mixer });
    1.83 +  isWeak.define(SubMixer, x => false);
    1.84 +  assert.equal(isWeak(new SubMixer()), false,
    1.85 +               "behavior of isWeak can still be overrided on mixed type");
    1.86 +};
    1.87 +
    1.88 +exports["test an opt-in"] = assert => {
    1.89 +  var BaseType = Class({});
    1.90 +  var SubType = Class({ extends: BaseType });
    1.91 +
    1.92 +  isWeak.define(SubType, x => true);
    1.93 +  assert.equal(isWeak(new SubType()), true,
    1.94 +               "isWeak can be just implemented");
    1.95 +
    1.96 +  var x = {};
    1.97 +  isWeak.implement(x, x => true);
    1.98 +  assert.equal(isWeak(x), true,
    1.99 +               "isWeak can be implemented per instance");
   1.100 +};
   1.101 +
   1.102 +require("sdk/test").run(exports);