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ported from mozilla: Bug 1538622 - StructuredClone serialize and deserialize should treat back reference consistently r=jorendorff (aca6f427e0)

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roytam1 2023-10-22 23:11:52 +08:00
commit e7c5600d7d
4 changed files with 64 additions and 4 deletions
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1
dom/base/test/mochitest.ini
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@ -764,6 +764,7 @@ skip-if = debug == false
[test_setting_opener.html]
[test_simplecontentpolicy.html]
skip-if = e10s # Bug 1156489.
[test_structuredclone_backref.html]
[test_text_wholeText.html]
[test_textnode_normalize_in_selection.html]
[test_textnode_split_in_selection.html]

32
dom/base/test/test_structuredclone_backref.html Normal file
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@ -0,0 +1,32 @@
<!DOCTYPE HTML>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1538622">Mozilla Bug 1538622</a>
<script>
SimpleTest.waitForExplicitFinish();
let o1 = new ImageData(25, 1),
o2 = new ImageData(50, 1),
o3 = new ImageData(75, 1),
o4 = new ImageData(100, 1);
let data = {
img1: o1,
img2: o2,
img3: o3,
img4: o4,
img5: o4,
};
window.addEventListener("message", windowMessage);
window.postMessage(data);
function windowMessage(e) {
let dataCopied = e.data;
ok(dataCopied.img5 instanceof ImageData, "backref ImageData should still be an ImageData");
is(dataCopied.img5, dataCopied.img4, "backref ImageData should be the referenced one");
SimpleTest.finish();
}
</script>

3
dom/tests/mochitest/bugs/test_bug743615.html
View file

@ -54,8 +54,7 @@ function windowMessage(evt) {
ok(checkPattern(imageData, pattern),
'postMessage from self worked correctly');
// We're not spec compliant on this yet.
todo_is(imageData.data, evt.data.dataRef,
is(imageData.data, evt.data.dataRef,
'Should have backrefs for imagedata buffer');
// Make a new pattern, and send it to a worker.