@Test
  public void testGet() {
    assertThat(root.get(Name.simple("foo"))).isEqualTo(entry(root, "foo", dir));
    assertThat(dir.get(Name.simple("foo"))).isNull();
    assertThat(root.get(Name.simple("Foo"))).isNull();
  }
Tests for {@link Directory}.

@author Colin Decker
jimfs/src/test/java/com/google/common/jimfs/DirectoryTest.java