test/java/lang/invoke/JavaDocExamplesTest.java

rev 13794 : 8150953: j.l.i.MethodHandles: example section in whileLoop(...) provides example for doWhileLoop

*** 688,698 ****
          MH_zipPred = LOOKUP.findStatic(THIS_CLASS, "zipPred", methodType(boolean.class, L, IT, IT));
          MH_zipStep = LOOKUP.findStatic(THIS_CLASS, "zipStep", methodType(L, L, IT, IT));
          {{
  {} /// JAVADOC
  // implement the zip function for lists as a loop handle
! MethodHandle loop = MethodHandles.doWhileLoop(MH_initZip, MH_zipStep, MH_zipPred);
  List<String> a = Arrays.asList("a", "b", "c", "d");
  List<String> b = Arrays.asList("e", "f", "g", "h");
  List<String> zipped = Arrays.asList("a", "e", "b", "f", "c", "g", "d", "h");
  assertEquals(zipped, (List<String>) loop.invoke(a.iterator(), b.iterator()));
  {}
--- 688,698 ----
          MH_zipPred = LOOKUP.findStatic(THIS_CLASS, "zipPred", methodType(boolean.class, L, IT, IT));
          MH_zipStep = LOOKUP.findStatic(THIS_CLASS, "zipStep", methodType(L, L, IT, IT));
          {{
  {} /// JAVADOC
  // implement the zip function for lists as a loop handle
! MethodHandle loop = MethodHandles.whileLoop(MH_initZip, MH_zipPred, MH_zipStep);
  List<String> a = Arrays.asList("a", "b", "c", "d");
  List<String> b = Arrays.asList("e", "f", "g", "h");
  List<String> zipped = Arrays.asList("a", "e", "b", "f", "c", "g", "d", "h");
  assertEquals(zipped, (List<String>) loop.invoke(a.iterator(), b.iterator()));
  {}