The Tor Browser: addon-sdk/source/test/traits/descriptor-tests.js@6474c204b198 (annotated)

addon-sdk/source/test/traits/descriptor-tests.js@6474c204b198 (annotated)

addon-sdk/source/test/traits/descriptor-tests.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* 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";
 var Trait = require("sdk/deprecated/light-traits").Trait;
 var utils = require("./utils");
 var Data = utils.Data;
 var Method = utils.Method;
 var Accessor = utils.Accessor;
 var Required = utils.Required;
 var Conflict = utils.Conflict;
 function method() {}
 exports.Assert = require("./assert").Assert
 exports["test simple composition"] = function(assert) {
   var actual = Trait.compose(
     Trait({ a: 0, b: 1 }),
     { c: { value: 2 }, d: { value: method, enumerable: true } }
   );
   var expected = {
     a: Data(0),
     b: Data(1),
     c: Data(2, false, false, false),
     d: Method(method, true, false, false)
   };
   assert.equalTraits(actual, expected);
 };
 exports["test composition with conflict"] = function(assert) {
   var actual = Trait.compose(
     Trait({ a: 0, b: 1 }),
     {
       a: {
         value: 2,
         writable: true,
         configurable: true,
         enumerable: true
       },
       c: {
         value: method,
         configurable: true
       }
     }
   );
   var expected = {
     a: Conflict("a"),
     b: Data(1),
     c: Method(method, false, true, false)
   };
   assert.equalTraits(actual, expected);
 };
 exports["test identical props does not cause conflict"] = function(assert) {
   var actual = Trait.compose(
     {
       a: {
         value: 0,
         writable: true,
         configurable: true,
         enumerable: true
       },
       b: {
         value: 1
       }
     },
     Trait({
       a: 0,
       c: method
     })
   );
   var expected = {
     a: Data(0),
     b: Data(1, false, false, false),
     c: Method(method)
   }
   assert.equalTraits(actual, expected);
 };
 exports["test composition with identical required props"] = function(assert) {
   var actual = Trait.compose(
     Trait({ a: Trait.required, b: 1 }),
     { a: { required: true }, c: { value: method } }
   );
   var expected = {
     a: Required(),
     b: Data(1),
     c: Method(method, false, false, false)
   };
   assert.equalTraits(actual, expected);
 };
 exports["test composition satisfying a required prop"] = function(assert) {
   var actual = Trait.compose(
     Trait({ a: Trait.required, b: 1 }),
     { a: { value: method, enumerable: true } }
   );
   var expected = {
     a: Method(method, true, false, false),
     b: Data(1)
   };
   assert.equalTraits(actual, expected);
 };
 exports["test compose is neutral wrt conflicts"] = function(assert) {
   var actual = Trait.compose(
     Trait({ a: { value: 1 } }, Trait({ a: 2 })),
     { b: { value: 0, writable: true, configurable: true, enumerable: false } }
   );
   var expected = { a: Conflict("a"), b: Data(0, false) };
   assert.equalTraits(actual, expected);
 };
 exports["test conflicting prop overrides Trait.required"] = function(assert) {
   var actual = Trait.compose(
     Trait.compose(
       Trait({ a: 1 }),
       { a: { value: 2 } }
     ),
     { a: { value: Trait.required } }
   );
   var expected = { a: Conflict("a") };
   assert.equalTraits(actual, expected);
 };
 exports["test compose is commutative"] = function(assert) {
   var actual = Trait.compose(
     Trait({ a: 0, b: 1 }),
     { c: { value: 2 }, d: { value: method } }
   );
   var expected = Trait.compose(
     { c: { value: 2 }, d: { value: method } },
     Trait({ a: 0, b: 1 })
   );
   assert.equalTraits(actual, expected);
 }
 exports["test compose is commutative, also for required/conflicting props"] = function(assert) {
   var actual = Trait.compose(
     {
       a: { value: 0 },
       b: { value: 1 },
       c: { value: 3 },
       e: { value: Trait.required }
     },
     {
       c: { value: 2 },
       d: { get: method }
     }
   );
   var expected = Trait.compose(
     Trait({ c: 3 }),
     {
       c: { value: 2 },
       d: { get: method },
       a: { value: 0 },
       b: { value: 1 },
       e: { value: Trait.required },
     }
   );
   assert.equalTraits(actual, expected);
 };
 exports["test compose is associative"] = function(assert) {
   var actual = Trait.compose(
     {
       a: { value: 0 },
       b: { value: 1 },
       c: { value: 3 },
       d: { value: Trait.required }
     },
     Trait.compose(
       { c: { value: 3 }, d: { value: Trait.required } },
       { c: { value: 2 }, d: { value: method }, e: { value: "foo" } }
     )
   );
   var expected = Trait.compose(
     Trait.compose(
       {
         a: { value: 0 },
         b: { value: 1 },
         c: { value: 3 },
         d: { value: Trait.required }
       },
       {
         c: { value: 3 },
         d: { value: Trait.required }
       }
     ),
     {
       c: { value: 2 },
       d: { value: method },
       e: { value: "foo" }
     }
   );
   assert.equalTraits(actual, expected);
 };
 exports["test diamond import of same prop do not conflict"] = function(assert) {
   var actual = Trait.compose(
     Trait.compose(
       { b: { value: 2 } },
       { a: { value: 1, enumerable: true, configurable: true, writable: true } }
     ),
     Trait.compose(
       { c: { value: 3 } },
       Trait({ a: 1 })
     ),
     Trait({ d: 4 })
   );
   var expected = {
     a: Data(1),
     b: Data(2, false, false, false),
     c: Data(3, false, false, false),
     d: Data(4)
   };
   assert.equalTraits(actual, expected);
 };
 exports["test create simple"] = function(assert) {
   var o1 = Trait.compose(
     Trait({ a: 1 }),
     {
       b: {
         value: function() {
           return this.a;
         }
       }
     }
   ).create(Object.prototype);
   assert.equal(Object.getPrototypeOf(o1), Object.prototype, "o1 prototype");
   assert.equal(1, o1.a, "o1.a");
   assert.equal(1, o1.b(), "o1.b()");
   assert.equal(Object.keys(o1).length, 1, "Object.keys(o1).length === 2");
 };
 exports["test create with Array.prototype"] = function(assert) {
   var o2 = Trait.compose({}, {}).create(Array.prototype);
   assert.equal(Object.getPrototypeOf(o2), Array.prototype, "o2 prototype");
 };
 exports["test exception for incomplete required properties"] = function(assert) {
   assert.throws(function() {
     Trait({ foo: Trait.required }).create(Object.prototype)
   }, /Missing required property: `foo`/, "required prop error");
 }
 exports["test exception for unresolved conflicts"] = function(assert) {
   assert.throws(function() {
     Trait(Trait({ a: 0 }), Trait({ a: 1 })).create({})
   }, /Remaining conflicting property: `a`/, "conflicting prop error");
 }
 exports["test conflicting properties are present"] = function(assert) {
   var o5 = Object.create(Object.prototype, Trait.compose(
     { a: { value: 0 } },
     { a: { value: 1 } }
   ));
   assert.ok("a" in o5, "conflicting property present");
   assert.throws(function() {
     o5.a
   }, /Remaining conflicting property: `a`/, "conflicting prop access error");
 };
 exports["test diamond with conflicts"] = function(assert) {
   function makeT1(x) {
     return {
       m: {
         value: function() {
           return x
         }
       }
     };
   };
   function makeT2(x) {
     return Trait.compose(
       Trait({ t2: "foo" }),
       makeT1(x)
     );
   };
   function makeT3(x) {
     return Trait.compose(
       {
         t3: { value: "bar" }
       },
       makeT1(x)
     );
   };
   var T4 = Trait.compose(makeT2(5), makeT3(5));
   assert.throws(function() {
     T4.create(Object.prototype);
   }, /Remaining conflicting property: `m`/, "diamond prop conflict");
 };
 exports["test providing requirements through proto"] = function(assert) {
   var t = Trait.compose(
     {},
     { required: { required: true } }
   ).create({ required: "test" });
   assert.equal(t.required, "test", "property from proto is inherited");
 };
 if (module == require.main)
   require("test").run(exports);