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/*
* Copyright 2012, Mozilla Foundation and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
"use strict";
// THIS FILE IS GENERATED FROM SOURCE IN THE GCLI PROJECT
// PLEASE TALK TO SOMEONE IN DEVELOPER TOOLS BEFORE EDITING IT
const exports = {};
function test() {
helpers.runTestModule(exports, "browser_gcli_history.js");
}
// var assert = require('../testharness/assert');
var History = require("gcli/ui/history").History;
exports.testSimpleHistory = function (options) {
var history = new History({});
history.add("foo");
history.add("bar");
assert.is(history.backward(), "bar");
assert.is(history.backward(), "foo");
// Adding to the history again moves us back to the start of the history.
history.add("quux");
assert.is(history.backward(), "quux");
assert.is(history.backward(), "bar");
assert.is(history.backward(), "foo");
};
exports.testBackwardsPastIndex = function (options) {
var history = new History({});
history.add("foo");
history.add("bar");
assert.is(history.backward(), "bar");
assert.is(history.backward(), "foo");
// Moving backwards past recorded history just keeps giving you the last
// item.
assert.is(history.backward(), "foo");
};
exports.testForwardsPastIndex = function (options) {
var history = new History({});
history.add("foo");
history.add("bar");
assert.is(history.backward(), "bar");
assert.is(history.backward(), "foo");
// Going forward through the history again.
assert.is(history.forward(), "bar");
// 'Present' time.
assert.is(history.forward(), "");
// Going to the 'future' just keeps giving us the empty string.
assert.is(history.forward(), "");
};
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