mirror of
https://github.com/classilla/tenfourfox.git
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286 lines
8.7 KiB
JavaScript
286 lines
8.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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'use strict';
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const { on, emit } = require("sdk/event/core");
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const { filter, map, merge, expand, pipe, stripListeners } = require("sdk/event/utils");
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const $ = require("./event/helpers");
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function isEven(x) {
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return !(x % 2);
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}
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function inc(x) {
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return x + 1;
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}
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exports["test filter events"] = function(assert) {
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let input = {};
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let evens = filter(input, isEven);
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let actual = [];
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on(evens, "data", e => actual.push(e));
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[1, 2, 3, 4, 5, 6, 7].forEach(x => emit(input, "data", x));
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assert.deepEqual(actual, [2, 4, 6], "only even numbers passed through");
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};
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exports["test filter emits"] = $.emits(function(input, assert) {
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let output = filter(input, isEven);
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assert(output, [1, 2, 3, 4, 5], [2, 4], "this is `output` & evens passed");
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});;
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exports["test filter reg once"] = $.registerOnce(function(input, assert) {
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assert(filter(input, isEven), [1, 2, 3, 4, 5, 6], [2, 4, 6],
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"listener can be registered only once");
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});
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exports["test filter ignores new"] = $.ignoreNew(function(input, assert) {
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assert(filter(input, isEven), [1, 2, 3], [2],
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"new listener is ignored")
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});
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exports["test filter is FIFO"] = $.FIFO(function(input, assert) {
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assert(filter(input, isEven), [1, 2, 3, 4], [2, 4],
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"listeners are invoked in fifo order")
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});
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exports["test map events"] = function(assert) {
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let input = {};
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let incs = map(input, inc);
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let actual = [];
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on(incs, "data", e => actual.push(e));
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[1, 2, 3, 4].forEach(x => emit(input, "data", x));
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assert.deepEqual(actual, [2, 3, 4, 5], "all numbers were incremented");
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};
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exports["test map emits"] = $.emits(function(input, assert) {
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let output = map(input, inc);
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assert(output, [1, 2, 3], [2, 3, 4], "this is `output` & evens passed");
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});
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exports["test map reg once"] = $.registerOnce(function(input, assert) {
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assert(map(input, inc), [1, 2, 3], [2, 3, 4],
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"listener can be registered only once");
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});
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exports["test map ignores new"] = $.ignoreNew(function(input, assert) {
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assert(map(input, inc), [1], [2],
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"new listener is ignored")
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});
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exports["test map is FIFO"] = $.FIFO(function(input, assert) {
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assert(map(input, inc), [1, 2, 3, 4], [2, 3, 4, 5],
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"listeners are invoked in fifo order")
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});
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exports["test merge stream[stream]"] = function(assert) {
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let a = {}, b = {}, c = {};
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let inputs = {};
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let actual = [];
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on(merge(inputs), "data", $ => actual.push($))
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emit(inputs, "data", a);
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emit(a, "data", "a1");
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emit(inputs, "data", b);
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emit(b, "data", "b1");
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emit(a, "data", "a2");
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emit(inputs, "data", c);
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emit(c, "data", "c1");
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emit(c, "data", "c2");
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emit(b, "data", "b2");
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emit(a, "data", "a3");
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assert.deepEqual(actual, ["a1", "b1", "a2", "c1", "c2", "b2", "a3"],
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"all inputs data merged into one");
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};
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exports["test merge array[stream]"] = function(assert) {
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let a = {}, b = {}, c = {};
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let inputs = {};
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let actual = [];
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on(merge([a, b, c]), "data", $ => actual.push($))
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emit(a, "data", "a1");
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emit(b, "data", "b1");
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emit(a, "data", "a2");
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emit(c, "data", "c1");
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emit(c, "data", "c2");
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emit(b, "data", "b2");
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emit(a, "data", "a3");
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assert.deepEqual(actual, ["a1", "b1", "a2", "c1", "c2", "b2", "a3"],
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"all inputs data merged into one");
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};
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exports["test merge emits"] = $.emits(function(input, assert) {
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let evens = filter(input, isEven)
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let output = merge([evens, input]);
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assert(output, [1, 2, 3], [1, 2, 2, 3], "this is `output` & evens passed");
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});
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exports["test merge reg once"] = $.registerOnce(function(input, assert) {
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let evens = filter(input, isEven)
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let output = merge([input, evens]);
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assert(output, [1, 2, 3, 4], [1, 2, 2, 3, 4, 4],
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"listener can be registered only once");
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});
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exports["test merge ignores new"] = $.ignoreNew(function(input, assert) {
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let evens = filter(input, isEven)
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let output = merge([input, evens])
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assert(output, [1], [1],
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"new listener is ignored")
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});
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exports["test marge is FIFO"] = $.FIFO(function(input, assert) {
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let evens = filter(input, isEven)
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let output = merge([input, evens])
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assert(output, [1, 2, 3, 4], [1, 2, 2, 3, 4, 4],
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"listeners are invoked in fifo order")
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});
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exports["test expand"] = function(assert) {
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let a = {}, b = {}, c = {};
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let inputs = {};
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let actual = [];
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on(expand(inputs, $ => $()), "data", $ => actual.push($))
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emit(inputs, "data", () => a);
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emit(a, "data", "a1");
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emit(inputs, "data", () => b);
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emit(b, "data", "b1");
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emit(a, "data", "a2");
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emit(inputs, "data", () => c);
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emit(c, "data", "c1");
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emit(c, "data", "c2");
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emit(b, "data", "b2");
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emit(a, "data", "a3");
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assert.deepEqual(actual, ["a1", "b1", "a2", "c1", "c2", "b2", "a3"],
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"all inputs data merged into one");
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};
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exports["test pipe"] = function (assert, done) {
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let src = {};
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let dest = {};
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let aneventCount = 0, multiargsCount = 0;
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let wildcardCount = {};
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on(dest, 'an-event', arg => {
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assert.equal(arg, 'my-arg', 'piped argument to event');
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++aneventCount;
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check();
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});
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on(dest, 'multiargs', (...data) => {
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assert.equal(data[0], 'a', 'multiple arguments passed via pipe');
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assert.equal(data[1], 'b', 'multiple arguments passed via pipe');
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assert.equal(data[2], 'c', 'multiple arguments passed via pipe');
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++multiargsCount;
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check();
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});
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on(dest, '*', (name, ...data) => {
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wildcardCount[name] = (wildcardCount[name] || 0) + 1;
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if (name === 'multiargs') {
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assert.equal(data[0], 'a', 'multiple arguments passed via pipe, wildcard');
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assert.equal(data[1], 'b', 'multiple arguments passed via pipe, wildcard');
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assert.equal(data[2], 'c', 'multiple arguments passed via pipe, wildcard');
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}
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if (name === 'an-event')
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assert.equal(data[0], 'my-arg', 'argument passed via pipe, wildcard');
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check();
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});
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pipe(src, dest);
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for (let i = 0; i < 3; i++)
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emit(src, 'an-event', 'my-arg');
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emit(src, 'multiargs', 'a', 'b', 'c');
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function check () {
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if (aneventCount === 3 && multiargsCount === 1 &&
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wildcardCount['an-event'] === 3 &&
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wildcardCount['multiargs'] === 1)
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done();
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}
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};
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exports["test pipe multiple targets"] = function (assert) {
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let src1 = {};
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let src2 = {};
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let middle = {};
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let dest = {};
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pipe(src1, middle);
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pipe(src2, middle);
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pipe(middle, dest);
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let middleFired = 0;
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let destFired = 0;
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let src1Fired = 0;
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let src2Fired = 0;
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on(src1, '*', () => src1Fired++);
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on(src2, '*', () => src2Fired++);
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on(middle, '*', () => middleFired++);
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on(dest, '*', () => destFired++);
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emit(src1, 'ev');
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assert.equal(src1Fired, 1, 'event triggers in source in pipe chain');
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assert.equal(middleFired, 1, 'event passes through the middle of pipe chain');
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assert.equal(destFired, 1, 'event propagates to end of pipe chain');
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assert.equal(src2Fired, 0, 'event does not fire on alternative chain routes');
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emit(src2, 'ev');
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assert.equal(src2Fired, 1, 'event triggers in source in pipe chain');
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assert.equal(middleFired, 2,
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'event passes through the middle of pipe chain from different src');
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assert.equal(destFired, 2,
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'event propagates to end of pipe chain from different src');
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assert.equal(src1Fired, 1, 'event does not fire on alternative chain routes');
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emit(middle, 'ev');
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assert.equal(middleFired, 3,
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'event triggers in source of pipe chain');
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assert.equal(destFired, 3,
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'event propagates to end of pipe chain from middle src');
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assert.equal(src1Fired, 1, 'event does not fire on alternative chain routes');
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assert.equal(src2Fired, 1, 'event does not fire on alternative chain routes');
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};
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exports['test stripListeners'] = function (assert) {
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var options = {
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onAnEvent: noop1,
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onMessage: noop2,
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verb: noop1,
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value: 100
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};
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var stripped = stripListeners(options);
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assert.ok(stripped !== options, 'stripListeners should return a new object');
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assert.equal(options.onAnEvent, noop1, 'stripListeners does not affect original');
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assert.equal(options.onMessage, noop2, 'stripListeners does not affect original');
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assert.equal(options.verb, noop1, 'stripListeners does not affect original');
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assert.equal(options.value, 100, 'stripListeners does not affect original');
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assert.ok(!stripped.onAnEvent, 'stripListeners removes `on*` values');
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assert.ok(!stripped.onMessage, 'stripListeners removes `on*` values');
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assert.equal(stripped.verb, noop1, 'stripListeners leaves not `on*` values');
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assert.equal(stripped.value, 100, 'stripListeners leaves not `on*` values');
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function noop1 () {}
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function noop2 () {}
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};
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require('sdk/test').run(exports);
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