<!DOCTYPE html>
<title>HTMLTableElement.rows</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
function assert_nodelist_equals(actual, expected) {
  assert_equals(actual.length, expected.length);

  for (var i = 0; i < actual.length; ++i) {
    assert_true(i in actual);
    assert_true(actual.hasOwnProperty(i),
                "property " + i + " expected to be present on the object");
    assert_equals(actual.item(i), expected[i]);
    assert_equals(actual[i], expected[i]);
  }
}

function test_table_simple(group, table) {
  var foo1 = group.appendChild(document.createElement("tr"));
  foo1.id = "foo";
  var bar1 = group.appendChild(document.createElement("tr"));
  bar1.id = "bar";
  var foo2 = group.appendChild(document.createElement("tr"));
  foo2.id = "foo";
  var bar2 = group.appendChild(document.createElement("tr"));
  bar2.id = "bar";

  assert_true(table.rows instanceof HTMLCollection, "table.rows should be a HTMLCollection.");
  assert_nodelist_equals(table.rows, [foo1, bar1, foo2, bar2]);
  assert_equals(table.rows.foo, foo1);
  assert_equals(table.rows["foo"], foo1);
  assert_equals(table.rows.namedItem("foo"), foo1);
  assert_equals(table.rows.bar, bar1);
  assert_equals(table.rows["bar"], bar1);
  assert_equals(table.rows.namedItem("bar"), bar1);
  assert_array_equals(Object.getOwnPropertyNames(table.rows), [
    "0",
    "1",
    "2",
    "3",
    "foo",
    "bar"
  ]);
}
test(function() {
  var table = document.createElement("table");
  test_table_simple(table, table);
}, "Children of table");
test(function() {
  var table = document.createElement("table");
  var group = table.appendChild(document.createElement("thead"));
  test_table_simple(group, table);
}, "Children of thead");
test(function() {
  var table = document.createElement("table");
  var group = table.appendChild(document.createElement("tbody"));
  test_table_simple(group, table);
}, "Children of tbody");
test(function() {
  var table = document.createElement("table");
  var group = table.appendChild(document.createElement("tfoot"));
  test_table_simple(group, table);
}, "Children of tfoot");
test(function() {
  var table = document.createElement("table");
  var orphan1 = table.appendChild(document.createElement("tr"));
  orphan1.id = "orphan1";
  var foot1 = table.appendChild(document.createElement("tfoot"));
  var orphan2 = table.appendChild(document.createElement("tr"));
  orphan2.id = "orphan2";
  var foot2 = table.appendChild(document.createElement("tfoot"));
  var orphan3 = table.appendChild(document.createElement("tr"));
  orphan3.id = "orphan3";
  var body1 = table.appendChild(document.createElement("tbody"));
  var orphan4 = table.appendChild(document.createElement("tr"));
  orphan4.id = "orphan4";
  var body2 = table.appendChild(document.createElement("tbody"));
  var orphan5 = table.appendChild(document.createElement("tr"));
  orphan5.id = "orphan5";
  var head1 = table.appendChild(document.createElement("thead"));
  var orphan6 = table.appendChild(document.createElement("tr"));
  orphan6.id = "orphan6";
  var head2 = table.appendChild(document.createElement("thead"));
  var orphan7 = table.appendChild(document.createElement("tr"));
  orphan7.id = "orphan7";

  var foot1row1 = foot1.appendChild(document.createElement("tr"));
  foot1row1.id = "foot1row1";
  var foot1row2 = foot1.appendChild(document.createElement("tr"));
  foot1row2.id = "foot1row2";
  var foot2row1 = foot2.appendChild(document.createElement("tr"));
  foot2row1.id = "foot2row1";
  var foot2row2 = foot2.appendChild(document.createElement("tr"));
  foot2row2.id = "foot2row2";

  var body1row1 = body1.appendChild(document.createElement("tr"));
  body1row1.id = "body1row1";
  var body1row2 = body1.appendChild(document.createElement("tr"));
  body1row2.id = "body1row2";
  var body2row1 = body2.appendChild(document.createElement("tr"));
  body2row1.id = "body2row1";
  var body2row2 = body2.appendChild(document.createElement("tr"));
  body2row2.id = "body2row2";

  var head1row1 = head1.appendChild(document.createElement("tr"));
  head1row1.id = "head1row1";
  var head1row2 = head1.appendChild(document.createElement("tr"));
  head1row2.id = "head1row2";
  var head2row1 = head2.appendChild(document.createElement("tr"));
  head2row1.id = "head2row1";
  var head2row2 = head2.appendChild(document.createElement("tr"));
  head2row2.id = "head2row2";

  // These elements should not end up in any collection.
  table.appendChild(document.createElement("div"))
       .appendChild(document.createElement("tr"));
  foot1.appendChild(document.createElement("div"))
       .appendChild(document.createElement("tr"));
  body1.appendChild(document.createElement("div"))
       .appendChild(document.createElement("tr"));
  head1.appendChild(document.createElement("div"))
       .appendChild(document.createElement("tr"));
  table.appendChild(document.createElementNS("http://example.com/test", "tr"));
  foot1.appendChild(document.createElementNS("http://example.com/test", "tr"));
  body1.appendChild(document.createElementNS("http://example.com/test", "tr"));
  head1.appendChild(document.createElementNS("http://example.com/test", "tr"));

  assert_true(table.rows instanceof HTMLCollection, "table.rows should be a HTMLCollection.");
  assert_nodelist_equals(table.rows, [
    // thead
    head1row1,
    head1row2,
    head2row1,
    head2row2,

    // tbody + table
    orphan1,
    orphan2,
    orphan3,
    body1row1,
    body1row2,
    orphan4,
    body2row1,
    body2row2,
    orphan5,
    orphan6,
    orphan7,

    // tfoot
    foot1row1,
    foot1row2,
    foot2row1,
    foot2row2
  ]);
  assert_array_equals(Object.getOwnPropertyNames(table.rows), [
    "0",
    "1",
    "2",
    "3",
    "4",
    "5",
    "6",
    "7",
    "8",
    "9",
    "10",
    "11",
    "12",
    "13",
    "14",
    "15",
    "16",
    "17",
    "18",
    "head1row1",
    "head1row2",
    "head2row1",
    "head2row2",
    "orphan1",
    "orphan2",
    "orphan3",
    "body1row1",
    "body1row2",
    "orphan4",
    "body2row1",
    "body2row2",
    "orphan5",
    "orphan6",
    "orphan7",
    "foot1row1",
    "foot1row2",
    "foot2row1",
    "foot2row2"
  ]);

  var ids = [
    "orphan1",
    "orphan2",
    "orphan3",
    "orphan4",
    "orphan5",
    "orphan6",
    "orphan7",
    "foot1row1",
    "foot1row2",
    "foot2row1",
    "foot2row2",
    "body1row1",
    "body1row2",
    "body2row1",
    "body2row2",
    "head1row1",
    "head1row2",
    "head2row1",
    "head2row2"
  ];
  ids.forEach(function(id) {
    assert_equals(table.rows.namedItem(id).id, id);
    assert_true(id in table.rows);
    assert_equals(table.rows[id].id, id);
    assert_true(id in table.rows);
  });
  while (table.firstChild) {
    table.removeChild(table.firstChild);
  }
  ids.forEach(function(id) {
    assert_equals(table.rows.namedItem(id), null);
    assert_false(id in table.rows);
    assert_equals(table.rows[id], undefined);
    assert_false(id in table.rows);
  });
}, "Complicated case");
</script>