59     constexpr std::string_view xml = R"(<?xml version="1.0" encoding="UTF-8"?>  in TEST()  local
70     EXPECT_THAT(getNodeFromXml(xml, "/bookstore/book/title"),  in TEST()
72     EXPECT_THAT(getNodeFromXml(xml, "/bookstore/book/author"),  in TEST()
74     EXPECT_THAT(getNodeFromXml(xml, "/bookstore/book/year"),  in TEST()
76     EXPECT_THAT(getNodeFromXml(xml, "/bookstore/book/price"),  in TEST()
78     EXPECT_THAT(getNodeFromXml(xml, "//book/title"),  in TEST()
80     EXPECT_THAT(getNodeFromXml(xml, "//book/author"),  in TEST()
82     EXPECT_THAT(getNodeFromXml(xml, "//book/year"), ElementsAre("2005"));  in TEST()
83     EXPECT_THAT(getNodeFromXml(xml, "//book/price"), ElementsAre("30.00"));  in TEST()
84     EXPECT_THAT(getNodeFromXml(xml, "///title"),  in TEST()
86     EXPECT_THAT(getNodeFromXml(xml, "///author"),  in TEST()
88     EXPECT_THAT(getNodeFromXml(xml, "///year"), ElementsAre("2005"));  in TEST()
89     EXPECT_THAT(getNodeFromXml(xml, "///price"), ElementsAre("30.00"));  in TEST()
91     EXPECT_THAT(getNodeFromXml(xml, "/bookstore/book/noexist"), IsEmpty());  in TEST()
92     EXPECT_THAT(getNodeFromXml(xml, "/bookstore/noexist/title"), IsEmpty());  in TEST()
93     EXPECT_THAT(getNodeFromXml(xml, "/noexist/book/title"), IsEmpty());  in TEST()
94     EXPECT_THAT(getNodeFromXml(xml, "//book/noexist"), IsEmpty());  in TEST()
95     EXPECT_THAT(getNodeFromXml(xml, "//noexist/title"), IsEmpty());  in TEST()
96     EXPECT_THAT(getNodeFromXml(xml, "///noexist"), IsEmpty());  in TEST()
99     EXPECT_THAT(getNodeFromXml(xml, "foo"), IsEmpty());  in TEST()
100     EXPECT_THAT(getNodeFromXml(xml, "foo/bar"), IsEmpty());  in TEST()
101     EXPECT_THAT(getNodeFromXml(xml, "?"), IsEmpty());  in TEST()