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58 lines
2 KiB
HTML
58 lines
2 KiB
HTML
<!DOCTYPE html>
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<title>HTMLCollection edge cases</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<div id="test"><img><img id=foo><img id=foo><img name="bar"></div>
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<script>
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setup(function() {
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// Add some non-HTML elements in there to test what happens with those.
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var container = document.getElementById("test");
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var child = document.createElementNS("", "img");
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child.setAttribute("id", "baz");
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container.appendChild(child);
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child = document.createElementNS("", "img");
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child.setAttribute("name", "qux");
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container.appendChild(child);
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});
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test(function() {
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var container = document.getElementById("test");
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var result = container.children.item("foo");
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assert_true(result instanceof Element, "Expected an Element.");
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assert_false(result.hasAttribute("id"), "Expected the IDless Element.")
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})
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test(function() {
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var container = document.getElementById("test");
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var list = container.children;
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var result = [];
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for (var p in list) {
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if (list.hasOwnProperty(p)) {
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result.push(p);
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}
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}
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assert_array_equals(result, ['0', '1', '2', '3', '4', '5']);
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result = Object.getOwnPropertyNames(list);
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assert_array_equals(result, ['0', '1', '2', '3', '4', '5', 'foo', 'bar', 'baz']);
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// Mapping of exposed names to their indices in the list.
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var exposedNames = { 'foo': 1, 'bar': 3, 'baz': 4 };
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for (var exposedName in exposedNames) {
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assert_true(exposedName in list);
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assert_true(list.hasOwnProperty(exposedName));
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assert_equals(list[exposedName], list.namedItem(exposedName));
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assert_equals(list[exposedName], list.item(exposedNames[exposedName]));
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assert_true(list[exposedName] instanceof Element);
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}
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var unexposedNames = ['qux'];
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for (var unexposedName of unexposedNames) {
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assert_false(unexposedName in list);
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assert_false(list.hasOwnProperty(unexposedName));
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assert_equals(list[unexposedName], undefined);
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assert_equals(list.namedItem(unexposedName), null);
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}
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});
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</script>
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