assertNull(getMap().inverse().get(v0()));
    assertEquals(1, getMap().size());
    assertTrue(getMap().containsKey(k0()));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(ONE)
  public void testForcePutValuePresent() {
    getMap().forcePut(k1(), v0());
    expectContents(mapEntry(k1(), v0()));
    assertEquals(k1(), getMap().inverse().get(v0()));
    assertEquals(1, getMap().size());

    }

    assertTrue(source.wasStreamClosed());
    assertEquals(SPLIT_LINES, lines);
  }

  public void testCopyTo_appendable() throws IOException {
    StringBuilder builder = new StringBuilder();

    assertEquals(STRING.length(), source.copyTo(builder));
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());

    assertEquals(STRING, builder.toString());
  }

    initMultimapWithNullKeyAndValue();
    assertEquals(getNumElements(), multimap().size());
    assertFalse(multimap().isEmpty());
  }

  @CollectionSize.Require(SEVERAL)
  public void testSizeMultipleValues() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k0(), v2()));

    assertEquals(3, multimap().size());
    assertEquals(3, multimap().entries().size());

  public void testToString() {
    assertEquals("foo", entry("foo", 1).toString());
    assertEquals("bar x 2", entry("bar", 2).toString());
  }

  public void testToStringNull() {
    assertEquals("null", entry(NE, 1).toString());
    assertEquals("null x 2", entry(NE, 2).toString());
  }

  public void testEquals() {
    assertEquals(control("foo", 1), entry("foo", 1));
    assertEquals(control("bar", 2), entry("bar", 2));

        assertEquals("jar", URLUtil.toCanonicalProtocol("wsjar"));
        assertEquals("jar", URLUtil.toCanonicalProtocol("jar"));
        assertEquals("zip", URLUtil.toCanonicalProtocol("zip"));
        assertEquals("file", URLUtil.toCanonicalProtocol("file"));
    }

    /**
     * @throws Exception
     */
    public void testToFile() throws Exception {

    if (expectedLines.isEmpty()) {
      assertTrue(list.isEmpty());
    } else {
      assertEquals(expectedLines.subList(0, 1), list);
    }
  }

  private void assertExpectedString(String string) {
    assertEquals(expected, string);
  }

  private void assertExpectedLines(List<String> list) {
    assertEquals(expectedLines, list);
  }

    EnumHashBiMap<Currency, String> bimap = EnumHashBiMap.create(Currency.class);
    assertTrue(bimap.isEmpty());
    assertEquals("{}", bimap.toString());
    assertEquals(HashBiMap.create(), bimap);
    bimap.put(Currency.DOLLAR, "dollar");
    assertEquals("dollar", bimap.get(Currency.DOLLAR));
    assertEquals(Currency.DOLLAR, bimap.inverse().get("dollar"));
  }

  public void testCreateFromMap() {

  public void testGetPackageName() throws Exception {
    assertEquals("java.lang", Reflection.getPackageName(Iterable.class));
    assertEquals("java", Reflection.getPackageName("java.MyType"));
    assertEquals("java.lang", Reflection.getPackageName(Iterable.class.getName()));
    assertEquals("", Reflection.getPackageName("NoPackage"));
    assertEquals("java.util", Reflection.getPackageName(Map.Entry.class));
  }

    AtomicDouble at = new AtomicDouble();
    assertEquals("0.0", at.toString());
    for (double x : VALUES) {
      at.set(x);
      assertEquals(Double.toString(x), at.toString());
    }
  }

  /** intValue returns current value. */
  public void testIntValue() {
    AtomicDouble at = new AtomicDouble();
    assertEquals(0, at.intValue());
    for (double x : VALUES) {
      at.set(x);

    ByteSource joined = ByteSource.concat(source, source);
    assertEquals(20, joined.size());
    InputStream in = joined.openStream();
    assertFalse(in.markSupported());
    assertEquals(10, in.available());
    int total = 0;
    while (in.read() != -1) {
      total++;
    }
    assertEquals(0, in.available());
    assertEquals(20, total);
  }