assertFalse(aa.compareAndSet(i, -0.0, 7.0));
      assertFalse(aa.weakCompareAndSet(i, -0.0, 7.0));
      assertBitEquals(+0.0, aa.get(i));
      assertTrue(aa.compareAndSet(i, +0.0, -0.0));
      assertBitEquals(-0.0, aa.get(i));
      assertFalse(aa.compareAndSet(i, +0.0, 7.0));
      assertFalse(aa.weakCompareAndSet(i, +0.0, 7.0));
      assertBitEquals(-0.0, aa.get(i));
    }
  }

    assertEquals("", Strings.commonPrefix("xyz", "abcde"));
    assertEquals("", Strings.commonPrefix("xyz", "abcxyz"));
    assertEquals("a", Strings.commonPrefix("abc", "aaaaa"));
    assertEquals("aa", Strings.commonPrefix("aa", "aaaaa"));
    assertEquals("abc", Strings.commonPrefix(new StringBuilder("abcdef"), "abcxyz"));

    // Identical valid surrogate pairs.
    assertEquals(

    assertEquals("", Strings.commonPrefix("xyz", "abcde"));
    assertEquals("", Strings.commonPrefix("xyz", "abcxyz"));
    assertEquals("a", Strings.commonPrefix("abc", "aaaaa"));
    assertEquals("aa", Strings.commonPrefix("aa", "aaaaa"));
    assertEquals("abc", Strings.commonPrefix(new StringBuilder("abcdef"), "abcxyz"));

    // Identical valid surrogate pairs.
    assertEquals(

		inferTypesForCmp(&a, &b)

		if a.Equals(b) {
			return true
		}

		// If elements, compare each.
		aA, aOK := a.ToArray()
		bA, bOK := b.ToArray()
		if aOK && bOK {
			if len(aA) != len(bA) {
				return false
			}
			for i := range aA {
				if !cmp(aA[i], bA[i]) {
					return false
				}
			}
			return true
		}
		// Try as numbers
		aF, aOK := a.ToFloat()

        SuggestResponse response2 = suggester.suggest().setQuery("-a").setSuggestDetail(true).execute().getResponse();
        assertEquals(2, response2.getNum());

        SuggestResponse response3 = suggester.suggest().setQuery("-aa-").setSuggestDetail(true).execute().getResponse();
        assertEquals(1, response3.getNum());
    }

    @Test
    public void test_getNum() throws Exception {
        SuggestItem[] items = getItemSet1();

        assertTrue(StringUtil.endsWithIgnoreCase("aaa_hoge", "HOge"));
        assertFalse(StringUtil.endsWithIgnoreCase("setHogeaa", "Aaa"));
        assertFalse(StringUtil.endsWithIgnoreCase("aa", "Aaa"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testStartsWithIgnoreCase() throws Exception {
        assertTrue(StringUtil.startsWithIgnoreCase("isHoge", "is"));

    }

    @Test
    public void testRecursiveExpressionCycleNPE() throws Exception {
        Map<String, String> props = new HashMap<>();
        props.put("aa", "${bb}");
        props.put("bb", "${aa}");
        DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();

        Model model = Model.newBuilder().properties(props).build();

        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("1."));
        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("AA"));
        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("C"));
        assertThrows(IllegalArgumentException.class, () -> cli.calculateDegreeOfConcurrency("C2.2C"));

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    ImmutableList<String> empty = ImmutableList.of();
    ImmutableList<String> a = ImmutableList.of("a");
    ImmutableList<String> aa = ImmutableList.of("a", "a");
    ImmutableList<String> ab = ImmutableList.of("a", "b");
    ImmutableList<String> b = ImmutableList.of("b");

    testComparator(lexy, empty, a, aa, ab, b);

    new EqualsTester()
        .addEqualityGroup(lexy, ordering.lexicographical())