зеркало из https://github.com/mozilla/gecko-dev.git
Bug 595606 - "ASSERTION: no common ancestor at all" when removing a subtree with more than one id pointed by @form. r=jst a=blocking
--HG-- rename : content/base/crashtests/595606.html => content/base/crashtests/595606-1.html
This commit is contained in:
Mounir Lamouri
Родитель
4c168517e3
Коммит
012d37c93a
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@ -0,0 +1,18 @@
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<!DOCTYPE html>
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<html class="reftest-wait">
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<body onload="
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document.body.removeChild(document.getElementById('x'));
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document.documentElement.removeAttribute('class');">
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<div id="x">
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<form id="a">
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<select></select>
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</form>
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<form id="a">
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<select></select>
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</form>
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</div>
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<select form="a"></select>
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</body>
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</html>
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@ -71,4 +71,5 @@ load 564114.html
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load 565125-1.html
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load 582601.html
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load 575462.svg
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load 595606.html
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load 595606-1.html
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load 595606-2.html
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@ -235,24 +235,9 @@ nsStyledElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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void
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nsStyledElement::UnbindFromTree(PRBool aDeep, PRBool aNullParent)
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{
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nsIDocument* doc = nsnull;
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if (HasFlag(NODE_HAS_ID)) {
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doc = GetCurrentDoc();
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}
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RemoveFromIdTable();
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nsStyledElementBase::UnbindFromTree(aDeep, aNullParent);
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// If we had a document (and an id), we should now inform the document that
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// we are no longer a valid id.
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// This is done _after_ the call to UnbindFromTree to make sure that id are
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// removed from the inner-most elements to the top-most.
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if (doc) {
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nsIAtom* id = DoGetID();
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if (id) {
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doc->RemoveFromIdTable(this, id);
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}
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}
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}
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@ -1046,7 +1046,16 @@ CompareFormControlPosition(nsGenericHTMLFormElement *aControl1,
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// If we pass aForm, we are assuming both controls are form descendants which
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// is not always the case. This function should work but maybe slower.
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// However, checking if both elements are form descendants may be slow too...
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// TODO: remove the prevent asserts fix, see bug 598468.
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#ifdef DEBUG
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nsLayoutUtils::gPreventAssertInCompareTreePosition = true;
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PRInt32 rVal = nsLayoutUtils::CompareTreePosition(aControl1, aControl2, aForm);
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nsLayoutUtils::gPreventAssertInCompareTreePosition = false;
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return rVal;
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#else // DEBUG
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return nsLayoutUtils::CompareTreePosition(aControl1, aControl2, aForm);
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#endif // DEBUG
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}
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#ifdef DEBUG
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@ -1061,6 +1070,10 @@ static void
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AssertDocumentOrder(const nsTArray<nsGenericHTMLFormElement*>& aControls,
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nsIContent* aForm)
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{
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// TODO: remove the return statement with bug 598468.
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// This is done to prevent asserts in some edge cases.
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return;
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// Only iterate if aControls is not empty, since otherwise
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// |aControls.Length() - 1| will be a very large unsigned number... not what
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// we want here.
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@ -113,6 +113,11 @@ using namespace mozilla::layers;
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using namespace mozilla::dom;
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namespace css = mozilla::css;
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#ifdef DEBUG
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// TODO: remove, see bug 598468.
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bool nsLayoutUtils::gPreventAssertInCompareTreePosition = false;
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#endif // DEBUG
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typedef gfxPattern::GraphicsFilter GraphicsFilter;
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/**
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@ -524,7 +529,11 @@ nsLayoutUtils::DoCompareTreePosition(nsIContent* aContent1,
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// content1Ancestor != content2Ancestor, so they must be siblings with the same parent
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nsINode* parent = content1Ancestor->GetNodeParent();
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NS_ASSERTION(parent, "no common ancestor at all???");
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#ifdef DEBUG
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// TODO: remove the uglyness, see bug 598468.
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NS_ASSERTION(gPreventAssertInCompareTreePosition || parent,
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"no common ancestor at all???");
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#endif // DEBUG
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if (!parent) { // different documents??
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return 0;
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}
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@ -156,6 +156,11 @@ public:
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static PRBool IsGeneratedContentFor(nsIContent* aContent, nsIFrame* aFrame,
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nsIAtom* aPseudoElement);
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#ifdef DEBUG
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// TODO: remove, see bug 598468.
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static bool gPreventAssertInCompareTreePosition;
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#endif // DEBUG
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/**
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* CompareTreePosition determines whether aContent1 comes before or
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* after aContent2 in a preorder traversal of the content tree.
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