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
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const TEST_URL =
"http://example.com/browser/browser/base/content/test/tabcrashed/file_contains_emptyiframe.html";
const DOMAIN = "example.com";
/**
* This is really a crashtest, but because we need PrintUtils this is written as a browser test.
* Test that when we don't crash when trying to print a document in the following scenario -
* A top level document has an iframe of different origin embedded (here example.com has test1.example.com iframe embedded)
* and they both set their document.domain to be "example.com".
*/
add_task(async function test() {
await SpecialPowers.pushPrefEnv({
set: [["print.tab_modal.enabled", false]],
});
// 1. Open a new tab and wait for it to load the top level doc
let newTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, TEST_URL);
let browser = newTab.linkedBrowser;
// 2. Navigate the iframe within the doc and wait for the load to complete
await SpecialPowers.spawn(browser, [], async function() {
const iframe = content.document.querySelector("iframe");
const loaded = new Promise(resolve => {
iframe.addEventListener(
"load",
() => {
resolve();
},
{ once: true }
);
});
iframe.src =
"http://test1.example.com/browser/browser/base/content/test/tabcrashed/file_iframe.html";
await loaded;
});
// 3. Change the top level document's domain
await SpecialPowers.spawn(browser, [DOMAIN], async function(domain) {
content.document.domain = domain;
});
// 4. Get the reference to the iframe and change its domain
const iframe = await SpecialPowers.spawn(browser, [], () => {
return content.document.querySelector("iframe").browsingContext;
});
await SpecialPowers.spawn(iframe, [DOMAIN], domain => {
content.document.domain = domain;
});
// 5. Try to print things
ok(
!gInPrintPreviewMode,
"Should NOT be in print preview mode at the start of this test."
);
// Enter print preview
let ppBrowser = PrintPreviewListener.getPrintPreviewBrowser();
const { PrintingParent } = ChromeUtils.import(
"resource://gre/actors/PrintingParent.jsm"
);
let printPreviewEntered = new Promise(resolve => {
PrintingParent.setTestListener(browserPreviewing => {
if (browserPreviewing == ppBrowser) {
PrintingParent.setTestListener(null);
resolve();
}
});
});
document.getElementById("cmd_printPreview").doCommand();
await printPreviewEntered;
// Ensure we are in print preview
await BrowserTestUtils.waitForCondition(
() => gInPrintPreviewMode,
"Should be in print preview mode now."
);
ok(true, "We did not crash.");
// We haven't crashed! Exit the print preview.
await BrowserTestUtils.switchTab(gBrowser, () => {
PrintUtils.exitPrintPreview();
});
await BrowserTestUtils.waitForCondition(() => !window.gInPrintPreviewMode);
info("We are not in print preview anymore.");
BrowserTestUtils.removeTab(newTab);
});
|
