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add tests and simplify walker traversal

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Srikanth
2025-08-04 23:53:29 +05:30
parent f1e513443b
commit 0a5f060d1b
1 changed files with 61 additions and 8 deletions
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69
src/browser/dom/node.zig
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@@ -201,13 +201,17 @@ pub const Node = struct {
const self_owner = try parser.nodeOwnerDocument(self);
const child_owner = try parser.nodeOwnerDocument(child);
// If the node to be inserted has a different ownerDocument than the parent node,
// modern browsers automatically adopt the node and its descendants into
// the parent's ownerDocument.
// This process is known as adoption.
// (7.1) https://dom.spec.whatwg.org/#concept-node-insert
if (child_owner == null or (child_owner.? != self_owner.?)) {
const w = Walker{};
child.owner = self_owner;
var current = child;
while (try w.get_next(child, current)) |current_node| {
current_node.owner = self_owner;
current = current_node;
while (true) {
current.owner = self_owner;
current = try w.get_next(child, current) orelse break;
}
}
@@ -306,13 +310,17 @@ pub const Node = struct {
const self_owner = try parser.nodeOwnerDocument(self);
const new_node_owner = try parser.nodeOwnerDocument(new_node);
// If the node to be inserted has a different ownerDocument than the parent node,
// modern browsers automatically adopt the node and its descendants into
// the parent's ownerDocument.
// This process is known as adoption.
// (7.1) https://dom.spec.whatwg.org/#concept-node-insert
if (new_node_owner == null or (new_node_owner.? != self_owner.?)) {
const w = Walker{};
new_node.owner = self_owner;
var current = new_node;
while (try w.get_next(new_node, current)) |current_node| {
current_node.owner = self_owner;
current = current_node;
while(true) {
current.owner = self_owner;
current = try w.get_next(new_node, current) orelse break;
}
}
@@ -746,3 +754,48 @@ test "Browser.DOM.node" {
.{ "Node.NOTATION_NODE", "12" },
}, .{});
}
test "Browser.DOM.node.owner" {
var runner = try testing.jsRunner(testing.tracking_allocator, .{ .html=
\\ <div id="target-container">
\\ <p id="reference-node">
\\ I am the original reference node.
\\ </p>
\\ </div>"
});
defer runner.deinit();
try runner.testCases(&.{
.{
\\ const parser = new DOMParser();
\\ const newDoc = parser.parseFromString('<div id="new-node"><p>Hey</p><span>Marked</span></div>', 'text/html');
\\ const newNode = newDoc.getElementById('new-node');
\\ const parent = document.getElementById('target-container');
\\ const referenceNode = document.getElementById('reference-node');
\\ parent.insertBefore(newNode, referenceNode);
\\ const k = document.getElementById('new-node');
\\ const ptag = k.querySelector('p');
\\ const spanTag = k.querySelector('span');
\\ const anotherDoc = parser.parseFromString('<div id="another-new-node"></div>', 'text/html');
\\ const anotherNewNode = anotherDoc.getElementById('another-new-node');
\\
\\ parent.appendChild(anotherNewNode)
,
"[object HTMLDivElement]",
},
.{"parent.ownerDocument === newNode.ownerDocument", "true" },
.{"parent.ownerDocument === anotherNewNode.ownerDocument", "true"},
.{"newNode.firstChild.nodeName", "P"},
.{"ptag.ownerDocument === parent.ownerDocument", "true"},
.{"spanTag.ownerDocument === parent.ownerDocument", "true"},
.{"parent.contains(newNode)", "true"},
.{"parent.contains(anotherNewNode)", "true"},
.{"anotherDoc.contains(anotherNewNode)", "false"},
.{"newDoc.contains(newNode)", "false"},
}, .{});
}