Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 79 insertions, 0 deletions

diff --git a/testing/web-platform/tests/dom/nodes/NodeList-live-mutations.window.js b/testing/web-platform/tests/dom/nodes/NodeList-live-mutations.window.js
new file mode 100644
index 0000000000..a11fed1e38
--- /dev/null
+++ b/testing/web-platform/tests/dom/nodes/NodeList-live-mutations.window.js
@@ -0,0 +1,79 @@
+function testNodeList(name, hooks) {
+  test(() => {
+    const nodes = {
+      root: document.createElement("div"),
+      div1: document.createElement("div"),
+      div2: document.createElement("div"),
+      p: document.createElement("p")
+    };
+
+    const list = nodes.root.childNodes;
+
+    hooks.initial(list, nodes);
+
+    nodes.root.appendChild(nodes.div1);
+    nodes.root.appendChild(nodes.p);
+    nodes.root.appendChild(nodes.div2);
+
+    hooks.afterInsertion(list, nodes);
+
+    nodes.root.removeChild(nodes.div1);
+
+    hooks.afterRemoval(list, nodes);
+  }, `NodeList live mutations: ${name}`);
+}
+
+testNodeList("NodeList.length", {
+  initial(list) {
+    assert_equals(list.length, 0);
+  },
+  afterInsertion(list) {
+    assert_equals(list.length, 3);
+  },
+  afterRemoval(list) {
+    assert_equals(list.length, 2);
+  }
+});
+
+testNodeList("NodeList.item(index)", {
+  initial(list) {
+    assert_equals(list.item(0), null);
+  },
+  afterInsertion(list, nodes) {
+    assert_equals(list.item(0), nodes.div1);
+    assert_equals(list.item(1), nodes.p);
+    assert_equals(list.item(2), nodes.div2);
+  },
+  afterRemoval(list, nodes) {
+    assert_equals(list.item(0), nodes.p);
+    assert_equals(list.item(1), nodes.div2);
+  }
+});
+
+testNodeList("NodeList[index]", {
+  initial(list) {
+    assert_equals(list[0], undefined);
+  },
+  afterInsertion(list, nodes) {
+    assert_equals(list[0], nodes.div1);
+    assert_equals(list[1], nodes.p);
+    assert_equals(list[2], nodes.div2);
+  },
+  afterRemoval(list, nodes) {
+    assert_equals(list[0], nodes.p);
+    assert_equals(list[1], nodes.div2);
+  }
+});
+
+testNodeList("NodeList ownPropertyNames", {
+  initial(list) {
+    assert_object_equals(Object.getOwnPropertyNames(list), []);
+  },
+  afterInsertion(list) {
+    assert_object_equals(Object.getOwnPropertyNames(list), ["0", "1", "2"]);
+  },
+  afterRemoval(list) {
+    assert_object_equals(Object.getOwnPropertyNames(list), ["0", "1"]);
+  }
+});
+