pw.println("");
        pw.println("# A value comment");
        pw.println("key1 = val1");
        pw.println("");
        pw.println("# Another value comment");
        pw.println("key2 = ${key1}/foo");
        pw.println("");
        pw.println("# A third comment");
        pw.println("key3 = val3");
        pw.println("");

        MavenProperties props = new MavenProperties();

		{"3 somelongkey=\n", nil, false},
		{"50 tooshort=\n", nil, false},
		{"13 key1=haha\n13 key2=nana\n13 key3=kaka\n",
			map[string]string{"key1": "haha", "key2": "nana", "key3": "kaka"}, true},
		{"13 key1=val1\n13 key2=val2\n8 key1=\n",
			map[string]string{"key1": "", "key2": "val2"}, true},
		{"22 GNU.sparse.size=10\n26 GNU.sparse.numblocks=2\n" +

      while (same != 0xffffffff || diff != 0xffffffff) {
        int key1 = rand.nextInt();
        // flip input bit for key2
        int key2 = key1 ^ (1 << i);
        // get hashes
        int hash1 = function.hashInt(key1).asInt();
        int hash2 = function.hashInt(key2).asInt();
        // test whether the hash values have same output bits
        same |= ~(hash1 ^ hash2);

	}
	return NewBuiltin(keyID, key)
}

// NewBuiltin returns a single-key KMS that derives new DEKs from the
// given key.
func NewBuiltin(keyID string, key []byte) (*KMS, error) {
	if len(key) != 32 {
		return nil, errors.New("kms: invalid key length " + strconv.Itoa(len(key)))
	}
	return &KMS{
		Type:       Builtin,
		DefaultKey: keyID,
		conn: secretKey{
			keyID: keyID,
			key:   key,
		},

  public void testBuildKeepingLast_smallTableSameHash() {
    String key1 = "QED";
    String key2 = "R&D";
    assertThat(key1.hashCode()).isEqualTo(key2.hashCode());
    ImmutableMap<String, Integer> map =
        ImmutableMap.<String, Integer>builder()
            .put(key1, 1)
            .put(key2, 2)
            .put(key1, 3)
            .put(key2, 4)
            .buildKeepingLast();

 * i.e. {@code if (key1.equals(key2))} then {@code striped.get(key1) == striped.get(key2)} (assuming
 * {@link Object#hashCode()} is correctly implemented for the keys). Note that if {@code key1} is
 * <strong>not</strong> equal to {@code key2}, it is <strong>not</strong> guaranteed that {@code

  public void testKeySetEntrySetValues() {
    for (LoadingCache<Key, String> cache : caches()) {
      Key key1 = new Key(1);
      String value1 = key1.toString();
      Key key2 = new Key(2);
      String value2 = key2.toString();
      assertSame(value1, cache.getUnchecked(key1));
      assertSame(value2, cache.getUnchecked(key2));
      assertEquals(ImmutableSet.of(key1, key2), cache.asMap().keySet());

  public void testBuildKeepingLast_smallTableSameHash() {
    String key1 = "QED";
    String key2 = "R&D";
    assertThat(key1.hashCode()).isEqualTo(key2.hashCode());
    ImmutableMap<String, Integer> map =
        ImmutableMap.<String, Integer>builder()
            .put(key1, 1)
            .put(key2, 2)
            .put(key1, 3)
            .put(key2, 4)
            .buildKeepingLast();

    String key1 = "key1";
    String key2 = "key2";

    assertEquals(
        key2,
        cache.get(
            key1,
            new CacheLoader<String, String>() {
              @Override
              public String load(String key) throws Exception {
                return cache.get(key2, identityLoader()); // loads a different key, should work
              }

    String key1 = "key1";
    String key2 = "key2";

    assertEquals(
        key2,
        cache.get(
            key1,
            new CacheLoader<String, String>() {
              @Override
              public String load(String key) throws Exception {
                return cache.get(key2, identityLoader()); // loads a different key, should work
              }