@Test
public void testScientificNumber() {

  Tokens.ScientificNotation number = Tokens.scientificNotation("1.0", "2");
  assertEquals("1.0E2", number.toString());
  assertEquals("1.0", number.significand);
  assertEquals("2", number.exponent);
  ObjectTester.assertEqual(number, number, Tokens.scientificNotation("1.0", "2"));
  ObjectTester.assertNotEqual(number,
      Tokens.scientificNotation("1.0", "-2"), Tokens.scientificNotation("2", "2"));
}