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

addon-sdk/source/test/test-disposable.js@6474c204b198 (annotated)

addon-sdk/source/test/test-disposable.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";
 const { Loader } = require("sdk/test/loader");
 const { Class } = require("sdk/core/heritage");
 const { Disposable } = require("sdk/core/disposable");
 const { Cc, Ci, Cu } = require("chrome");
 const { setTimeout } = require("sdk/timers");
 exports["test destroy reasons"] = assert => {
   const Foo = Class({
     extends: Disposable,
     dispose: function() {
       disposals = disposals + 1;
     }
   });
   let disposals = 0;
   const f1 = new Foo();
   f1.destroy();
   assert.equal(disposals, 1, "disposed on destroy");
   f1.destroy();
   assert.equal(disposals, 1, "second destroy is ignored");
   disposals = 0;
   const f2 = new Foo();
   f2.destroy("uninstall");
   assert.equal(disposals, 1, "uninstall invokes disposal");
   f2.destroy("uninstall")
   f2.destroy();
   assert.equal(disposals, 1, "disposal happens just once");
   disposals = 0;
   const f3 = new Foo();
   f3.destroy("shutdown");
   assert.equal(disposals, 0, "shutdown doesn't invoke disposal");
   f3.destroy();
   assert.equal(disposals, 0, "shutdown already skipped disposal");
   disposals = 0;
   const f4 = new Foo();
   f4.destroy("disable");
   assert.equal(disposals, 1, "disable invokes disposal");
   f4.destroy("disable")
   f4.destroy();
   assert.equal(disposals, 1, "destroy happens just once");
   disposals = 0;
   const f5 = new Foo();
   f5.destroy("disable");
   assert.equal(disposals, 1, "disable invokes disposal");
   f5.destroy("disable")
   f5.destroy();
   assert.equal(disposals, 1, "destroy happens just once");
   disposals = 0;
   const f6 = new Foo();
   f6.destroy("upgrade");
   assert.equal(disposals, 1, "upgrade invokes disposal");
   f6.destroy("upgrade")
   f6.destroy();
   assert.equal(disposals, 1, "destroy happens just once");
   disposals = 0;
   const f7 = new Foo();
   f7.destroy("downgrade");
   assert.equal(disposals, 1, "downgrade invokes disposal");
   f7.destroy("downgrade")
   f7.destroy();
   assert.equal(disposals, 1, "destroy happens just once");
   disposals = 0;
   const f8 = new Foo();
   f8.destroy("whatever");
   assert.equal(disposals, 1, "unrecognized reason invokes disposal");
   f8.destroy("meh")
   f8.destroy();
   assert.equal(disposals, 1, "destroy happens just once");
 };
 exports["test different unload hooks"] = assert => {
   const { uninstall, shutdown, disable, upgrade,
           downgrade, dispose } = require("sdk/core/disposable");
   const UberUnload = Class({
     extends: Disposable,
     setup: function() {
       this.log = [];
     }
   });
   uninstall.define(UberUnload, x => x.log.push("uninstall"));
   shutdown.define(UberUnload, x => x.log.push("shutdown"));
   disable.define(UberUnload, x => x.log.push("disable"));
   upgrade.define(UberUnload, x => x.log.push("upgrade"));
   downgrade.define(UberUnload, x => x.log.push("downgrade"));
   dispose.define(UberUnload, x => x.log.push("dispose"));
   const u1 = new UberUnload();
   u1.destroy("uninstall");
   u1.destroy();
   u1.destroy("shutdown");
   assert.deepEqual(u1.log, ["uninstall"], "uninstall hook invoked");
   const u2 = new UberUnload();
   u2.destroy("shutdown");
   u2.destroy();
   u2.destroy("uninstall");
   assert.deepEqual(u2.log, ["shutdown"], "shutdown hook invoked");
   const u3 = new UberUnload();
   u3.destroy("disable");
   u3.destroy();
   u3.destroy("uninstall");
   assert.deepEqual(u3.log, ["disable"], "disable hook invoked");
   const u4 = new UberUnload();
   u4.destroy("upgrade");
   u4.destroy();
   u4.destroy("uninstall");
   assert.deepEqual(u4.log, ["upgrade"], "upgrade hook invoked");
   const u5 = new UberUnload();
   u5.destroy("downgrade");
   u5.destroy();
   u5.destroy("uninstall");
   assert.deepEqual(u5.log, ["downgrade"], "downgrade hook invoked");
   const u6 = new UberUnload();
   u6.destroy();
   u6.destroy();
   u6.destroy("uninstall");
   assert.deepEqual(u6.log, ["dispose"], "dispose hook invoked");
   const u7 = new UberUnload();
   u7.destroy("whatever");
   u7.destroy();
   u7.destroy("uninstall");
   assert.deepEqual(u7.log, ["dispose"], "dispose hook invoked");
 };
 exports["test disposables are desposed on unload"] = function(assert) {
   let loader = Loader(module);
   let { Disposable } = loader.require("sdk/core/disposable");
   let arg1 = {}
   let arg2 = 2
   let disposals = 0
   let Foo = Class({
     extends: Disposable,
     setup: function setup(a, b) {
       assert.equal(a, arg1,
                    "arguments passed to constructur is passed to setup");
       assert.equal(b, arg2,
                    "second argument is also passed to a setup");
       assert.ok(this instanceof Foo,
                 "this is an instance in the scope of the setup method");
       this.fooed = true
     },
     dispose: function dispose() {
       assert.equal(this.fooed, true, "attribute was set")
       this.fooed = false
       disposals = disposals + 1
     }
   })
   let foo1 = Foo(arg1, arg2)
   let foo2 = Foo(arg1, arg2)
   loader.unload();
   assert.equal(disposals, 2, "both instances were disposed")
 }
 exports["test destroyed windows dispose before unload"] = function(assert) {
   let loader = Loader(module);
   let { Disposable } = loader.require("sdk/core/disposable");
   let arg1 = {}
   let arg2 = 2
   let disposals = 0
   let Foo = Class({
     extends: Disposable,
     setup: function setup(a, b) {
       assert.equal(a, arg1,
                    "arguments passed to constructur is passed to setup");
       assert.equal(b, arg2,
                    "second argument is also passed to a setup");
       assert.ok(this instanceof Foo,
                 "this is an instance in the scope of the setup method");
       this.fooed = true
     },
     dispose: function dispose() {
       assert.equal(this.fooed, true, "attribute was set")
       this.fooed = false
       disposals = disposals + 1
     }
   })
   let foo1 = Foo(arg1, arg2)
   let foo2 = Foo(arg1, arg2)
   foo1.destroy();
   assert.equal(disposals, 1, "destroy disposes instance")
   loader.unload();
   assert.equal(disposals, 2, "unload disposes alive instances")
 }
 exports["test disposables are GC-able"] = function(assert, done) {
   let loader = Loader(module);
   let { Disposable } = loader.require("sdk/core/disposable");
   let { WeakReference } = loader.require("sdk/core/reference");
   let arg1 = {}
   let arg2 = 2
   let disposals = 0
   let Foo = Class({
     extends: Disposable,
     implements: [WeakReference],
     setup: function setup(a, b) {
       assert.equal(a, arg1,
                    "arguments passed to constructur is passed to setup");
       assert.equal(b, arg2,
                    "second argument is also passed to a setup");
       assert.ok(this instanceof Foo,
                 "this is an instance in the scope of the setup method");
       this.fooed = true
     },
     dispose: function dispose() {
       assert.equal(this.fooed, true, "attribute was set")
       this.fooed = false
       disposals = disposals + 1
     }
   });
   let foo1 = Foo(arg1, arg2)
   let foo2 = Foo(arg1, arg2)
   let foo1 = null
   let foo2 = null
   Cu.schedulePreciseGC(function() {
     loader.unload();
     assert.equal(disposals, 0, "GC removed dispose listeners");
     done();
   });
 }
 exports["test loader unloads do not affect other loaders"] = function(assert) {
   let loader1 = Loader(module);
   let loader2 = Loader(module);
   let { Disposable: Disposable1 } = loader1.require("sdk/core/disposable");
   let { Disposable: Disposable2 } = loader2.require("sdk/core/disposable");
   let arg1 = {}
   let arg2 = 2
   let disposals = 0
   let Foo1 = Class({
     extends: Disposable1,
     dispose: function dispose() {
       disposals = disposals + 1;
     }
   });
   let Foo2 = Class({
     extends: Disposable2,
     dispose: function dispose() {
       disposals = disposals + 1;
     }
   });
   let foo1 = Foo1(arg1, arg2);
   let foo2 = Foo2(arg1, arg2);
   assert.equal(disposals, 0, "no destroy calls");
   loader1.unload();
   assert.equal(disposals, 1, "1 destroy calls");
   loader2.unload();
   assert.equal(disposals, 2, "2 destroy calls");
 }
 exports["test disposables that throw"] = function(assert) {
   let loader = Loader(module);
   let { Disposable } = loader.require("sdk/core/disposable");
   let disposals = 0
   let Foo = Class({
     extends: Disposable,
     setup: function setup(a, b) {
       throw Error("Boom!")
     },
     dispose: function dispose() {
       disposals = disposals + 1
     }
   })
   assert.throws(function() {
     let foo1 = Foo()
   }, /Boom/, "disposable constructors may throw");
   loader.unload();
   assert.equal(disposals, 0, "no disposal if constructor threw");
 }
 exports["test multiple destroy"] = function(assert) {
   let loader = Loader(module);
   let { Disposable } = loader.require("sdk/core/disposable");
   let disposals = 0
   let Foo = Class({
     extends: Disposable,
     dispose: function dispose() {
       disposals = disposals + 1
     }
   })
   let foo1 = Foo();
   let foo2 = Foo();
   let foo3 = Foo();
   assert.equal(disposals, 0, "no disposals yet");
   foo1.destroy();
   assert.equal(disposals, 1, "disposed properly");
   foo1.destroy();
   assert.equal(disposals, 1, "didn't attempt to dispose twice");
   foo2.destroy();
   assert.equal(disposals, 2, "other instances still dispose fine");
   foo2.destroy();
   assert.equal(disposals, 2, "but not twice");
   loader.unload();
   assert.equal(disposals, 3, "unload only disposed the remaining instance");
 }
 require('test').run(exports);