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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
type="text/css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=549682
-->
<window title="Mozilla Bug 549682"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
onload="run()">
<label value="Mozilla Bug 549682"/>
<!-- test code goes here -->
<script type="application/javascript"><![CDATA[
/* global messageManager, sendAsyncMessage */
var didRunAsync = false;
var didRunLocal = false;
var global = Cc["@mozilla.org/globalmessagemanager;1"].getService();
var ppm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService();
var cpm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService();
function ok(cond, msg) {
window.arguments[0].ok(cond, msg);
}
function is(actual, expected, msg) {
window.arguments[0].is(actual, expected, msg);
}
var asyncPPML = false;
function ppmASL(m) {
asyncPPML = true;
}
var syncPPML = false;
function ppmSL(m) {
syncPPML = true;
}
ppm.addMessageListener("processmessageAsync", ppmASL);
ppm.addMessageListener("processmessageSync", ppmSL);
cpm.sendAsyncMessage("processmessageAsync", "");
cpm.sendSyncMessage("processmessageSync", "");
var asyncCPML = false;
function cpmASL(m) {
asyncCPML = true;
}
cpm.addMessageListener("childprocessmessage", cpmASL);
ppm.broadcastAsyncMessage("childprocessmessage", "");
function checkPMMMessages() {
ok(asyncPPML, "should have handled async message");
ok(syncPPML, "should have handled sync message");
ok(asyncCPML, "should have handled async message");
ppm.removeMessageListener("processmessageAsync", ppmASL);
ppm.removeMessageListener("processmessageSync", ppmSL);
cpm.removeMessageListener("childprocessmessage", cpmASL);
}
var globalListenerCallCount = 0;
function globalListener(m) {
++globalListenerCallCount;
if (m.name == "sync") {
global.removeMessageListener("async", globalListener);
global.removeMessageListener("sync", globalListener);
global.removeMessageListener("global-sync", globalListener);
// Note, the result depends on what other windows are open.
ok(globalListenerCallCount >= 4,
"Global listener should have been called at least 4 times!");
ok(didRunLocal, "Local message received.");
}
}
function asyncL(m) {
didRunAsync = true;
is(m.name, "async", "Wrong message!");
is(m.json.data, 1234, "Wrong data!");
}
function syncL(m) {
is(m.name, "sync", "Wrong message!");
is(m.json.data, 1234, "Wrong data!");
ok(didRunAsync, "Should have run async!");
}
function localL(m) {
is(m.name, "lasync", "Wrong message!");
is(m.json.data, 2345, "Wrong data!");
didRunLocal = true;
}
var weakMessageReceived = false;
var weakListener = {
QueryInterface: ChromeUtils.generateQI(["nsISupportsWeakReference"]),
receiveMessage: function(msg) {
if (weakMessageReceived) {
ok(false, 'Weak listener fired twice.');
return;
}
ok(true, 'Weak listener fired once.');
weakMessageReceived = true;
document.getElementById('ifr').messageManager
.removeWeakMessageListener('weak', weakListener);
}
};
var weakListener2 = {
QueryInterface: ChromeUtils.generateQI(["nsISupportsWeakReference"]),
receiveMessage: function(msg) {
ok(false, 'Should not have received a message.');
}
};
function weakDoneListener() {
ok(weakMessageReceived, 'Got "weak" message.');
finish();
}
function finish() {
window.arguments[0].setTimeout(function() { this.done(); }, 0);
var i = document.getElementById("ifr");
i.remove(); // This is a crash test!
window.close();
}
function loadScript() {
// Async should be processed first!
messageManager.loadFrameScript("data:,\
sendAsyncMessage('async', { data: 1234 });\
sendSyncMessage('sync', { data: 1234 });\
sendAsyncMessage('weak', {});\
sendAsyncMessage('weak', {});\
sendAsyncMessage('weakdone', {});", false);
}
function run() {
var localmm = document.getElementById('ifr').messageManager;
var docShell = document.getElementById('ifr').contentWindow.docShell;
ok(docShell, "Should have docshell");
var cfmm = docShell.messageManager;
ok(cfmm, "Should have content messageManager");
var didGetSyncMessage = false;
function syncContinueTestFn() {
didGetSyncMessage = true;
}
localmm.addMessageListener("syncContinueTest", syncContinueTestFn);
cfmm.sendSyncMessage("syncContinueTest", {});
localmm.removeMessageListener("syncContinueTest", syncContinueTestFn);
ok(didGetSyncMessage, "Should have got sync message!");
localmm.addMessageListener("lasync", localL);
localmm.loadFrameScript("data:,sendAsyncMessage('lasync', { data: 2345 })", false);
messageManager.addMessageListener("async", asyncL);
messageManager.addMessageListener("sync", syncL);
global.addMessageListener("async", globalListener);
global.addMessageListener("sync", globalListener);
global.addMessageListener("global-sync", globalListener);
global.loadFrameScript("data:,sendSyncMessage('global-sync', { data: 1234 });", true);
var toBeRemovedScript = "data:,sendAsyncMessage('toberemoved', { data: 2345 })";
var c = 0;
messageManager.addMessageListener("toberemoved", function() {
++c;
is(c, 1, "Should be called only once!");
});
// This loads the script in the existing <browser>
messageManager.loadFrameScript(toBeRemovedScript, true);
// But it won't be loaded in the dynamically created <browser>
messageManager.removeDelayedFrameScript(toBeRemovedScript);
var oldValue = globalListenerCallCount;
var b = document.createXULElement("browser");
b.setAttribute("type", "content");
document.documentElement.appendChild(b);
is(globalListenerCallCount, oldValue + 1,
"Wrong message count");
localmm.addWeakMessageListener('weak', weakListener);
localmm.addMessageListener('weakdone', weakDoneListener);
// Add weakListener2 as a weak message listener, then force weakListener2
// to be gc'ed. weakListener2 shouldn't be run.
var weakRef = Cu.getWeakReference(weakListener2);
localmm.addWeakMessageListener('weak', weakListener2);
weakListener2 = null;
// Force a gc/cc in a loop until weakRef's referent has gone away.
function waitForWeakRefToDie() {
if (weakRef.get()) {
var mgr = Cc["@mozilla.org/memory-reporter-manager;1"]
.getService(Ci.nsIMemoryReporterManager);
mgr.minimizeMemoryUsage(waitForWeakRefToDie);
// Print a message so that if the test hangs in a minimizeMemoryUsage
// loop, we'll be able to see it in the log.
ok(true, "waitForWeakRefToDie spinning...");
return;
}
setTimeout(checkPMMMessages, 0);
setTimeout(loadScript, 0);
}
waitForWeakRefToDie();
}
]]></script>
<browser type="content" src="about:blank" id="ifr"/>
</window>
|
