1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
// Copyright 2012 The Closure Library Authors. All Rights Reserved.
//
// 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.
goog.provide('goog.testing.events.OnlineHandlerTest');
goog.setTestOnly('goog.testing.events.OnlineHandlerTest');
goog.require('goog.events');
goog.require('goog.net.NetworkStatusMonitor');
goog.require('goog.testing.events.EventObserver');
goog.require('goog.testing.events.OnlineHandler');
goog.require('goog.testing.jsunit');
var handler;
var observer;
function tearDown() {
handler = null;
observer = null;
}
function testInitialValue() {
createHandler(true);
assertEquals(true, handler.isOnline());
createHandler(false);
assertEquals(false, handler.isOnline());
}
function testStateChange() {
createHandler(true);
assertEventCounts(
0 /* expectedOnlineEvents */, 0 /* expectedOfflineEvents */);
// Expect no events.
handler.setOnline(true);
assertEquals(true, handler.isOnline());
assertEventCounts(
0 /* expectedOnlineEvents */, 0 /* expectedOfflineEvents */);
// Expect one offline event.
handler.setOnline(false);
assertEquals(false, handler.isOnline());
assertEventCounts(
0 /* expectedOnlineEvents */, 1 /* expectedOfflineEvents */);
// Expect no events.
handler.setOnline(false);
assertEquals(false, handler.isOnline());
assertEventCounts(
0 /* expectedOnlineEvents */, 1 /* expectedOfflineEvents */);
// Expect one online event.
handler.setOnline(true);
assertEquals(true, handler.isOnline());
assertEventCounts(
1 /* expectedOnlineEvents */, 1 /* expectedOfflineEvents */);
}
function createHandler(initialValue) {
handler = new goog.testing.events.OnlineHandler(initialValue);
observer = new goog.testing.events.EventObserver();
goog.events.listen(
handler,
[
goog.net.NetworkStatusMonitor.EventType.ONLINE,
goog.net.NetworkStatusMonitor.EventType.OFFLINE
],
observer);
}
function assertEventCounts(expectedOnlineEvents, expectedOfflineEvents) {
assertEquals(
expectedOnlineEvents,
observer.getEvents(goog.net.NetworkStatusMonitor.EventType.ONLINE)
.length);
assertEquals(
expectedOfflineEvents,
observer.getEvents(goog.net.NetworkStatusMonitor.EventType.OFFLINE)
.length);
}
|
