<html><body><script src="../../resources/js-test.js"></script><script>

description("Test the contains function that checks if a range contains a boundary point.")

function range(startContainer, startOffset, endContainer, endOffset)
{
    return new StaticRange({ startContainer: startContainer, startOffset: startOffset, endContainer: endContainer, endOffset: endOffset })
}

function contentsRange(node)
{
    return range(node, 0, node, node.childNodes.length)
}

let documentElement = document.documentElement;
let body = document.body;

shouldBe("body.childNodes.length", "4")

shouldBeTrue("internals.rangeContainsBoundaryPoint(contentsRange(document), document, 0, 'ComposedTree')")
shouldBeTrue("internals.rangeContainsBoundaryPoint(contentsRange(document), document, 1, 'ComposedTree')")
shouldBeFalse("internals.rangeContainsBoundaryPoint(contentsRange(document), document, 2, 'ComposedTree')")
shouldBeTrue("internals.rangeContainsBoundaryPoint(contentsRange(document), body, 0, 'ComposedTree')");
shouldBeTrue("internals.rangeContainsBoundaryPoint(contentsRange(document), body, 1, 'ComposedTree')");
shouldBeTrue("internals.rangeContainsBoundaryPoint(contentsRange(document), body, 10, 'ComposedTree')");
shouldBeFalse("internals.rangeContainsBoundaryPoint(range(document, 0, documentElement, 0), body, 0, 'ComposedTree')");
shouldBeTrue("internals.rangeContainsBoundaryPoint(range(document, 0, body, 0), body, 0, 'ComposedTree')");

let a = document.createElement("div")
shouldBeFalse("internals.rangeContainsBoundaryPoint(contentsRange(document), a, 0, 'ComposedTree')")
shouldBeFalse("internals.rangeContainsBoundaryPoint(contentsRange(body), a, 0, 'ComposedTree')")

body.appendChild(a)
shouldBeTrue("internals.rangeContainsBoundaryPoint(contentsRange(document), a, 0, 'ComposedTree')")
shouldBeTrue("internals.rangeContainsBoundaryPoint(range(document, 0, a, 0), a, 0, 'ComposedTree')")
shouldBeFalse("internals.rangeContainsBoundaryPoint(range(document, 0, body, 0), a, 0, 'ComposedTree')")
shouldBeTrue("internals.rangeContainsBoundaryPoint(range(document, 0, body, 5), a, 0, 'ComposedTree')")
shouldBeFalse("internals.rangeContainsBoundaryPoint(range(body, 5, document, 1), a, 0, 'ComposedTree')")
shouldBeTrue("internals.rangeContainsBoundaryPoint(range(body, 0, document, 1), a, 0, 'ComposedTree')")

let b = document.createElement("div")
body.appendChild(b)

let c = document.createElement("div")
b.appendChild(c)

let d = document.createElement("div")
a.appendChild(d)

let e = document.createElement("div")
let f = document.createElement("div")
e.appendChild(f)
shouldBeFalse("internals.rangeContainsBoundaryPoint(contentsRange(body), f, 0, 'ComposedTree')")

let g = document.createElement("textarea");
c.appendChild(g)
let h = internals.ensureUserAgentShadowRoot(g).firstChild
shouldBeTrue("internals.rangeContainsBoundaryPoint(contentsRange(body), h, 0, 'ComposedTree')")

</script>
</body></html>