示例#1
0
  public PalindromeTest() {
    ArrayList<String> words = new ArrayList<String>();
    ArrayList<String> palis;

    try {
      for (String line : Files.readAllLines(Paths.get("com/jsanders/web2"))) {
        words.add(line);
      }
    } catch (IOException ex) {
      System.out.println("IO error");
      System.exit(1);
    }

    palis = Palindrome.palindromes(words);
    assertEquals(palis.size(), 161, 0.01);

    int shortest = Word.shortestLength(words);
    assertEquals(shortest, 1, 0.01);

    int longest = Word.longestLength(words);
    assertEquals(longest, 24, 0.01);

    ArrayList<String> shortestWords = Word.shortestWords(words);
    assertEquals(shortestWords.size(), 52, 0.01);

    ArrayList<String> longestWords = Word.longestWords(words);
    assertEquals(longestWords.size(), 5, 0.01);

    int totalWords = Word.totalWords(words);
    double avgLen = Word.averageLength(words);

    assertEquals(totalWords, 235886, 0.01);
    assertEquals(avgLen, 9.56, 0.01);

    ArrayList<Double> letterFreq = Word.letterFrequency(words);
    assertEquals(letterFreq.get(0), 0.087, 0.01);

    double properFreq = Word.properFrequency(words);
    assertEquals(properFreq, 0.106, 0.01);

    ArrayList<Integer> startFreq = Word.startFrequency(words);
    assertEquals(startFreq.get(0), 17096, 0.01);

    ArrayList<String> sameStartEnd = Word.startEndWords(words);
    assertEquals(sameStartEnd.size(), 11505, 0.01);

    try {
      PrintWriter f = new PrintWriter("short.txt");
      for (String w : shortestWords) f.println(w);
      f.close();

      f = new PrintWriter("long.txt");
      for (String w : longestWords) f.println(w);
      f.close();

      f = new PrintWriter("same.txt");
      for (String w : sameStartEnd) f.println(w);
      f.close();

      f = new PrintWriter("statistics.txt");
      f.println("avg word len: " + avgLen);
      f.println("freq of letters: " + letterFreq);
      f.println("freq of proper nouns/names: " + properFreq);
      f.println("words that start with each letter:: " + startFreq);

      f.close();
    } catch (IOException ex) {
      System.out.println("IO error");
      System.exit(1);
    }
  }
 @Test
 public void test1() {
   assertTrue(Palindrome.checkForPalindrome("aabaa"));
 }
 @Test
 public void test3() {
   assertTrue(Palindrome.checkForPalindrome("+aba+"));
 }
 @Test
 public void test6() {
   assertTrue(Palindrome.checkForPalindrome("AabaA"));
 }
 @Test
 public void test2() {
   assertFalse(Palindrome.checkForPalindrome("abaa"));
 }