assertEquals("abcd", normalizer.normalize("ａｂｃｄ", null));
        assertEquals("みかん", normalizer.normalize("みかん", null));
        assertEquals("みかん ﾘﾝｺﾞ", normalizer.normalize("みかん　リンゴ", null));
    }

    public void test_AnyLower() {
        ICUNormalizer normalizer = new ICUNormalizer("Any-Lower");
        assertEquals("abcd", normalizer.normalize("ABCD", null));
    }

    assertEqualCharNodes(traverser.breadthFirst('b'), "bcda");
    assertEqualCharNodes(traverser.breadthFirst('c'), "cdab");
    assertEqualCharNodes(traverser.breadthFirst('d'), "dabc");
  }

  @Test
  public void forGraph_breadthFirstIterable_twoCycles() {
    Traverser<Character> traverser = Traverser.forGraph(TWO_CYCLES_GRAPH);
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("a")), "abcd");

    assertEqualCharNodes(traverser.breadthFirst('b'), "bcda");
    assertEqualCharNodes(traverser.breadthFirst('c'), "cdab");
    assertEqualCharNodes(traverser.breadthFirst('d'), "dabc");
  }

  @Test
  public void forGraph_breadthFirstIterable_twoCycles() {
    Traverser<Character> traverser = Traverser.forGraph(TWO_CYCLES_GRAPH);
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("a")), "abcd");

    @Test
    public void test_normalize() throws Exception {
        Normalizer normalizer = SuggestUtil.createDefaultNormalizer(runner.client(), suggester.settings());
        assertEquals("12345,.*[]「」abcケンサクabcdけんさくガギグゲゴ", normalizer.normalize("１２３４５,.*[]「」ＡBCｹﾝｻｸabcdけんさくｶﾞｷﾞｸﾞｹﾞｺﾞ", null));
    }

        cache.put("key_1", "abcd");
        cache.put("key_2", "abcd");
        cache.put("key_3", "abcd");
        cache.put("key_4", "abcd");
        cache.put("key_5", "abcd");

        long len = cacheFile.length();
        assertTrue(len > 0L);

        cache.put("key_1", "1234");

        RegExpPatternStep step = new RegExpPatternStep("a?c", true);
        assertTrue(step.matches("abc"));
        assertTrue(step.matches("a$c"));
        assertTrue(step.matches("a?c"));

        assertFalse(step.matches("ac"));
        assertFalse(step.matches("abcd"));
        assertFalse(step.matches("abd"));
        assertFalse(step.matches("a"));
    }

    @Test public void testMultiCharWildcard() {

        assertOrder(X_GT_Y, "1-abc", "1-alpha");
        assertOrder(X_GT_Y, "1-abc", "1-beta");
        assertOrder(X_GT_Y, "1-abc", "1-milestone");
        assertOrder(X_GT_Y, "1-abc", "1-rc");
        assertOrder(X_GT_Y, "1-abc", "1-snapshot");
        assertOrder(X_GT_Y, "1-abc", "1");
        assertOrder(X_GT_Y, "1-abc", "1-sp");
    }

    @Test

    }
    assertEquals(expected, builder.toString());
  }

  static final CharSource BROKEN_READ_SOURCE = new TestCharSource("ABC", READ_THROWS);
  static final CharSource BROKEN_CLOSE_SOURCE = new TestCharSource("ABC", CLOSE_THROWS);
  static final CharSource BROKEN_OPEN_SOURCE = new TestCharSource("ABC", OPEN_THROWS);
  static final CharSink BROKEN_WRITE_SINK = new TestCharSink(WRITE_THROWS);

            return createCharSequence("search_");
        }

        /**
         * @return CharSequence
         */
        public static CharSequence abc_() {
            return createCharSequence("abc_");
        }

    }

  public void testReadEmptyString() throws IOException {
    assertReadsCorrectly("");
  }

  public void testReadsStringsCorrectly() throws IOException {
    assertReadsCorrectly("abc");
    assertReadsCorrectly("abcde");
    assertReadsCorrectly("abcdefghijkl");
    assertReadsCorrectly(
        ""
            + "abcdefghijklmnopqrstuvwxyz\n"
            + "ABCDEFGHIJKLMNOPQRSTUVWXYZ\r"
            + "0123456789\r\n"