Function query_and_decomposition_tests

test/path_test.cpp:1022–2088

//  a decomposition function.

void query_and_decomposition_tests()
{
    std::cout << "query_and_decomposition_tests..." << std::endl;

    // these are the examples given in reference docs, so check they work
    BOOST_TEST(path("/foo/bar.txt").parent_path() == "/foo");
    BOOST_TEST(path("/foo/bar").parent_path() == "/foo");
    BOOST_TEST(path("/foo/bar/").parent_path() == "/foo/bar");
    BOOST_TEST(path("/").parent_path() == "");
    BOOST_TEST(path(".").parent_path() == "");
    BOOST_TEST(path("..").parent_path() == "");
    BOOST_TEST(path("/foo/bar.txt").filename() == "bar.txt");
    BOOST_TEST(path("/foo/bar").filename() == "bar");
    BOOST_TEST(path("/foo/bar/").filename() == BOOST_FILESYSTEM_V3_TRAILING_DOT);
#if BOOST_FILESYSTEM_VERSION == 3
    BOOST_TEST(path("/").filename() == "/");
#else
    BOOST_TEST(path("/").filename() == "");
#endif
    BOOST_TEST(path(".").filename() == ".");
    BOOST_TEST(path("..").filename() == "..");

    // stem() tests not otherwise covered
    BOOST_TEST(path(".").stem() == ".");
    BOOST_TEST(path("..").stem() == "..");
#if BOOST_FILESYSTEM_VERSION == 3
    BOOST_TEST(path(".a").stem() == "");
#else
    BOOST_TEST(path(".a").stem() == ".a");
#endif
    BOOST_TEST(path("b").stem() == "b");
    BOOST_TEST(path("a/b.txt").stem() == "b");
    BOOST_TEST(path("a/b.").stem() == "b");
    BOOST_TEST(path("a.b.c").stem() == "a.b");
    BOOST_TEST(path("a.b.c.").stem() == "a.b.c");

    // extension() tests not otherwise covered
    BOOST_TEST(path(".").extension() == "");
    BOOST_TEST(path("..").extension() == "");
#if BOOST_FILESYSTEM_VERSION == 3
    BOOST_TEST(path(".a").extension() == ".a");
#else
    BOOST_TEST(path(".a").extension() == "");
#endif
    BOOST_TEST(path("a/b").extension() == "");
    BOOST_TEST(path("a.b/c").extension() == "");
    BOOST_TEST(path("a/b.txt").extension() == ".txt");
    BOOST_TEST(path("a/b.").extension() == ".");
    BOOST_TEST(path("a.b.c").extension() == ".c");
    BOOST_TEST(path("a.b.c.").extension() == ".");
    BOOST_TEST(path("a/").extension() == "");

    // main q & d test sequence
    path p;
    path q;

    p = q = "";
    BOOST_TEST(p.relative_path().string() == "");