@GwtIncompatible // java.util.regex.Pattern
  @AndroidIncompatible // Bug in older versions of Android we test against, since fixed.
  public void testPatternSplitWordBoundary() {
    String string = "foo<bar>bletch";
    Iterable<String> words = Splitter.on(Pattern.compile("\\b")).split(string);
    assertThat(words).containsExactly("foo", "<", "bar", ">", "bletch").inOrder();
  }