Path implements CacheValue, Comparable<Path> { public boolean isAbsolute() { Path p = this; while (p.parent != null) { p = p.parent; } return p.isRoot(); } private  Path(@Nullable Path parent,
                 @NotNull String name,
                 int hash);  Path(@NotNull Path parent, @NotNull String name);  Path(@NotNull String name); @NotNull String getName(); @NotNull Iterable<String> elements(); boolean isRoot(); @Nullable Path getParent(); int length(); int getDepth(); @NotNull Path getAncestor(int nth); boolean isAncestorOf(@NotNull Path other); boolean isAbsolute(); @NotNull static Path fromString(@NotNull String path); @NotNull StringBuilder toStringBuilder(@NotNull StringBuilder sb); @Override int getMemory(); @Override int compareTo(@NotNull Path other); @Override String toString(); @Override int hashCode(); @Override boolean equals(Object obj); static final Path ROOT; }
@Test public void isAbsolute() { assertTrue(ROOT.isAbsolute()); assertTrue(foo.isAbsolute()); assertTrue(fooBar.isAbsolute()); assertTrue(fooBarQuux.isAbsolute()); assertFalse(relFoo.isAbsolute()); assertFalse(relFooBar.isAbsolute()); assertFalse(relFooBarQuux.isAbsolute()); }