Range-commonAncestorContainer-2.html

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This WPT test may be referenced by the following Test IDs:
- /dom/ranges/Range-commonAncestorContainer-2.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Range.commonAncestorContainer</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<div id=log></div>

<script>

test(function() {

  var range = document.createRange();

  range.detach();

  assert_equals(range.commonAncestorContainer, document);

}, "Detached Range")

test(function() {

  var df = document.createDocumentFragment();

  var foo = df.appendChild(document.createElement("foo"));

  foo.appendChild(document.createTextNode("Foo"));

  var bar = df.appendChild(document.createElement("bar"));

  bar.appendChild(document.createComment("Bar"));

    // start node, start offset, end node, end offset, expected cAC

    [foo, 0, bar, 0, df],

    [foo, 0, foo.firstChild, 3, foo],

    [foo.firstChild, 0, bar, 0, df],

    [foo.firstChild, 3, bar.firstChild, 2, df]

  ].forEach(function(t) {

    test(function() {

      var range = document.createRange();

      range.setStart(t[0], t[1]);

      range.setEnd(t[2], t[3]);

      assert_equals(range.commonAncestorContainer, t[4]);

})

});

}, "Normal Ranges")

</script>