%description:
Check cXMLElement::getElementByPath(): cannot go above root with ".."

%file: test.xml

<foo id="1">
    <foo id="2" color="red">one</foo>
    <bar id="3" color="red">
        <foo id="4">two</foo>
        <bar id="5">three</bar>
    </bar>
    <foo id="6">
        <bar id="7" color="red">four</bar>
        <bar id="8">five</bar>
        <bar id="9" color="yellow">
            <bar id="10" color="green" weight="heavy">six</bar>
        </bar>
    </foo>
    <bar id="11" color="green">
        <foo id="12">seven</foo>
        <bar id="13">eight</bar>
        <bar id="14">nine</bar>
        <bar id="15">ten</bar>
    </bar>
    <bar id="16">ten</bar>
</foo>

%global:

#ifdef _MSC_VER
#pragma warning(disable:4786)
#endif

static void getElement(cXMLElement *ctx, cXMLElement *root, const char *pathexpr)
{
    cXMLElement *node = ctx->getElementByPath(pathexpr, root, nullptr);
    EV << (!pathexpr ? "''" : pathexpr) << ": " << (!node ? "null" : node->getAttribute("id")) << "\n";
}

%activity:

cXMLElement *root = getEnvir()->getXMLDocument("test.xml");
cXMLElement *bar9 = root->getElementById("9");

getElement(bar9, root, "../../..");
getElement(bar9, root, "../../../foo");

%contains: stdout
../../..: null
../../../foo: null