@Test
  public void resolvesSubDir() throws IOException {
    from = new File("/panda/");
    to = new File("/panda/target/jasmine/");

    String result = subject.relativize(from, to);

    assertThat(result, is("target/jasmine"));
  }
  @Test
  public void resolvesWithinDir() throws IOException {
    from = new File("/panda/");
    to = new File("/panda/pants.txt");

    String result = subject.relativize(from, to);

    assertThat(result, is("pants.txt"));
  }
  @Test
  public void resolvesDeepChild() throws IOException {
    from =
        new File(
            slash(
                "/Volumes/blah/Users/justin/code/workspaces/jasmine_maven/jasmine-maven-plugin/src/test/resources/examples/jasmine-webapp-coffee/target/jasmine"));
    to =
        new File(
            slash(
                "/Volumes/blah/Users/justin/code/workspaces/jasmine_maven/jasmine-maven-plugin/src/test/resources/examples/jasmine-webapp-coffee/src/test/javascript/fun-spec.js"));

    String result = subject.relativize(from, to);

    assertThat(result, is("../../src/test/javascript/fun-spec.js"));
  }