Adding upstream version 110.0.1.upstream/110.0.1upstream

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

1 files changed, 93 insertions, 0 deletions

diff --git a/testing/web-platform/tests/dom/collections/HTMLCollection-live-mutations.window.js b/testing/web-platform/tests/dom/collections/HTMLCollection-live-mutations.window.js
new file mode 100644
index 0000000000..7dbfc6ccf6
--- /dev/null
+++ b/testing/web-platform/tests/dom/collections/HTMLCollection-live-mutations.window.js
@@ -0,0 +1,93 @@
+function testHTMLCollection(name, hooks) {
+  test(() => {
+    const nodes = {
+      root: document.createElement("div"),
+      div1: document.createElement("div"),
+      div2: document.createElement("div"),
+      p: document.createElement("p")
+    };
+
+    nodes.div1.id = "div1";
+    nodes.div2.id = "div2";
+
+    const list = nodes.root.getElementsByTagName("div");
+
+    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);
+  }, `HTMLCollection live mutations: ${name}`);
+}
+
+testHTMLCollection("HTMLCollection.length", {
+  initial(list) {
+    assert_equals(list.length, 0);
+  },
+  afterInsertion(list) {
+    assert_equals(list.length, 2);
+  },
+  afterRemoval(list) {
+    assert_equals(list.length, 1);
+  }
+});
+
+testHTMLCollection("HTMLCollection.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.div2);
+  },
+  afterRemoval(list, nodes) {
+    assert_equals(list.item(0), nodes.div2);
+  }
+});
+
+testHTMLCollection("HTMLCollection[index]", {
+  initial(list) {
+    assert_equals(list[0], undefined);
+  },
+  afterInsertion(list, nodes) {
+    assert_equals(list[0], nodes.div1);
+    assert_equals(list[1], nodes.div2);
+  },
+  afterRemoval(list, nodes) {
+    assert_equals(list[0], nodes.div2);
+  }
+});
+
+testHTMLCollection("HTMLCollection.namedItem(index)", {
+  initial(list) {
+    assert_equals(list.namedItem("div1"), null);
+    assert_equals(list.namedItem("div2"), null);
+  },
+  afterInsertion(list, nodes) {
+    assert_equals(list.namedItem("div1"), nodes.div1);
+    assert_equals(list.namedItem("div2"), nodes.div2);
+  },
+  afterRemoval(list, nodes) {
+    assert_equals(list.namedItem("div1"), null);
+    assert_equals(list.namedItem("div2"), nodes.div2);
+  }
+});
+
+testHTMLCollection("HTMLCollection ownPropertyNames", {
+  initial(list) {
+    assert_object_equals(Object.getOwnPropertyNames(list), []);
+  },
+  afterInsertion(list) {
+    assert_object_equals(Object.getOwnPropertyNames(list), ["0", "1", "div1", "div2"]);
+  },
+  afterRemoval(list) {
+    assert_object_equals(Object.getOwnPropertyNames(list), ["0", "div2"]);
+  }
+});
+