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
|
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
// Test the cancellable doing/done/cancelAll API in XPIProvider
const { XPIExports } = ChromeUtils.importESModule(
"resource://gre/modules/addons/XPIExports.sys.mjs"
);
function run_test() {
// Check that cancelling with nothing in progress doesn't blow up
XPIExports.XPIInstall.cancelAll();
// Check that a basic object gets cancelled
let getsCancelled = {
isCancelled: false,
cancel() {
if (this.isCancelled) {
do_throw("Already cancelled");
}
this.isCancelled = true;
},
};
XPIExports.XPIInstall.doing(getsCancelled);
XPIExports.XPIInstall.cancelAll();
Assert.ok(getsCancelled.isCancelled);
// Check that if we complete a cancellable, it doesn't get cancelled
let doesntGetCancelled = {
cancel: () => do_throw("This should not have been cancelled"),
};
XPIExports.XPIInstall.doing(doesntGetCancelled);
Assert.ok(XPIExports.XPIInstall.done(doesntGetCancelled));
XPIExports.XPIInstall.cancelAll();
// A cancellable that adds a cancellable
getsCancelled.isCancelled = false;
let addsAnother = {
isCancelled: false,
cancel() {
if (this.isCancelled) {
do_throw("Already cancelled");
}
this.isCancelled = true;
XPIExports.XPIInstall.doing(getsCancelled);
},
};
XPIExports.XPIInstall.doing(addsAnother);
XPIExports.XPIInstall.cancelAll();
Assert.ok(addsAnother.isCancelled);
Assert.ok(getsCancelled.isCancelled);
// A cancellable that removes another. This assumes that Set() iterates in the
// order that members were added
let removesAnother = {
isCancelled: false,
cancel() {
if (this.isCancelled) {
do_throw("Already cancelled");
}
this.isCancelled = true;
XPIExports.XPIInstall.done(doesntGetCancelled);
},
};
XPIExports.XPIInstall.doing(removesAnother);
XPIExports.XPIInstall.doing(doesntGetCancelled);
XPIExports.XPIInstall.cancelAll();
Assert.ok(removesAnother.isCancelled);
}
|
