TEST_F(XPathAcceptanceTest, equality)
{
    XPath xpath = compile("1.3 != '1.3'");

    ASSERT_EQ(false, xpath.boolean());
}
TEST_F(XPathAcceptanceTest, relational)
{
    XPath xpath = compile("1.0 >= 2.1");

    ASSERT_EQ(false, xpath.boolean());
}
TEST_F(XPathAcceptanceTest, boolean_logic)
{
    XPath xpath = compile("true() and false()");

    ASSERT_EQ(false, xpath.boolean());
}