.add("field2", "value2");
    final String expected = "TestClass{field1=1, value1, field2=value2}";

    assertEquals(expected, helper.toString());
    // Call toString again
    assertEquals(expected, helper.toString());

    // Make sure the cached value is reset when we modify the helper at all
    final String expected2 = "TestClass{field1=1, value1, field2=value2, 2}";
    helper.addValue(2);

      try {
        iterator.remove();
        fail("Expected IllegalStateException.");
      } catch (IllegalStateException expected) {
      }
    } else {
      iterator.next();
      try {
        iterator.remove();
        fail("Expected UnsupportedOperationException.");
      } catch (UnsupportedOperationException expected) {
      }
    }
    assertInvariants(map);
  }

    int i = 0;
    while (expectedIterator.hasNext()) {
      Object expected = expectedIterator.next();

      assertTrue(
          "index " + i + " expected <" + expected + "., actual is exhausted",
          actualIterator.hasNext());

      Object actual = actualIterator.next();
      assertEquals("index " + i, expected, actual);
      i++;
    }
    if (actualIterator.hasNext()) {

    expected[118] = 786432;
    expected[119] = 1048576;
    expected[120] = 458752;
    expected[121] = 524288;
    expected[122] = 65536;
    // Anything not assigned was the default 0.
    return expected;
  }

  /**
   * Helper to run the loop to test all the permutations for the number of bytes specified.
   *
   * @param numBytes the number of bytes in the byte array

          BigIntegerMath.divide(p, ZERO, mode);
          fail("Expected ArithmeticException");
        } catch (ArithmeticException expected) {
        }
      }
    }
  }

  public void testFactorial() {
    BigInteger expected = BigInteger.ONE;
    for (int i = 1; i <= 200; i++) {
      expected = expected.multiply(BigInteger.valueOf(i));
      assertEquals(expected, BigIntegerMath.factorial(i));
    }
  }

          BigIntegerMath.divide(p, ZERO, mode);
          fail("Expected ArithmeticException");
        } catch (ArithmeticException expected) {
        }
      }
    }
  }

  public void testFactorial() {
    BigInteger expected = BigInteger.ONE;
    for (int i = 1; i <= 200; i++) {
      expected = expected.multiply(BigInteger.valueOf(i));
      assertEquals(expected, BigIntegerMath.factorial(i));
    }
  }

      fail();
    } catch (IllegalArgumentException expected) {
      // TODO(kevinb): convert the rest of this file to Truth someday
      assertThat(expected).hasMessageThat().contains("connected");
    }
    try {
      range.intersection(Range.closed(0, 2));
      fail();
    } catch (IllegalArgumentException expected) {
      assertThat(expected).hasMessageThat().contains("connected");
    }
  }

  }

  static void testSort(int[] input, int[] expected) {
    input = Arrays.copyOf(input, input.length);
    UnsignedInts.sort(input);
    assertThat(input).isEqualTo(expected);
  }

  static void testSort(int[] input, int from, int to, int[] expected) {
    input = Arrays.copyOf(input, input.length);
    UnsignedInts.sort(input, from, to);
    assertThat(input).isEqualTo(expected);
  }

  public void testSortIndexed() {

      };

  private static void checkResult(Joiner joiner, Iterable<Integer> parts, String expected) {
    assertEquals(expected, joiner.join(parts));
    assertEquals(expected, joiner.join(parts.iterator()));

    StringBuilder sb1FromIterable = new StringBuilder().append('x');
    joiner.appendTo(sb1FromIterable, parts);
    assertEquals("x" + expected, sb1FromIterable.toString());

  void testViewAgainstExpected(RangeSet<Integer> expected, RangeSet<Integer> view) {
    assertEquals(expected, view);
    assertEquals(expected.asRanges(), view.asRanges());
    assertEquals(expected.isEmpty(), view.isEmpty());

    if (!expected.isEmpty()) {
      assertEquals(expected.span(), view.span());
    }

    for (int i = MIN_BOUND - 1; i <= MAX_BOUND + 1; i++) {
      assertEquals(expected.contains(i), view.contains(i));