MavenProject project5 = getProject(pom5);

        assertEquals("p4", project4.getName());

        // ----------------------------------------------------------------------
        // Value inherited from p3
        // ----------------------------------------------------------------------

        assertEquals("2000", project4.getInceptionYear());

    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    // simple string tests
    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));
    assertEquals("embedded%00null", e.escape("embedded\0null"));
    assertEquals("max%EF%BF%BFchar", e.escape("max\uffffchar"));
  }

  /** Tests the various ways that the space character can be handled */

    assertEquals(localCacheOne.keyStrength, localCacheTwo.keyStrength);
    assertEquals(localCacheOne.keyStrength, localCacheTwo.keyStrength);
    assertEquals(localCacheOne.valueEquivalence, localCacheTwo.valueEquivalence);
    assertEquals(localCacheOne.valueEquivalence, localCacheTwo.valueEquivalence);
    assertEquals(localCacheOne.maxWeight, localCacheTwo.maxWeight);

        assertEquals(2, pd.getMojos().size());
        assertEquals(1, pd.getDependencies().size());

        MojoDescriptor md = pd.getMojos().get(0);

        assertEquals("jar", md.getGoal());
        assertEquals("mojo-description", md.getDescription());
        assertEquals("runtime", md.getDependencyResolutionRequired());
        assertEquals("test", md.getDependencyCollectionRequired());

        collector.add(Severity.WARNING, null, 42, 127, e2);

        assertEquals(2, collector.getProblems().size());

        Problem p1 = collector.getProblems().get(0);
        assertEquals(Severity.ERROR, p1.getSeverity());
        assertEquals("MESSAGE1", p1.getMessage());
        assertEquals(-1, p1.getLineNumber());
        assertEquals(-1, p1.getColumnNumber());
        assertNull(p1.getException());

  public void testToString() {
    // With ports.
    assertEquals("foo:101", "" + HostAndPort.fromString("foo:101"));
    assertEquals(":102", HostAndPort.fromString(":102").toString());
    assertEquals("[1::2]:103", HostAndPort.fromParts("1::2", 103).toString());
    assertEquals("[::1]:104", HostAndPort.fromString("[::1]:104").toString());

    // Without ports.
    assertEquals("foo", "" + HostAndPort.fromString("foo"));

    assertNull(map.putInstance(int.class, 0));
    assertNull(map.putInstance(Integer.class, 1));
    assertEquals(2, map.size());

    assertEquals(0, (int) map.getInstance(int.class));
    assertEquals(1, (int) map.getInstance(Integer.class));

    assertEquals(0, (int) map.putInstance(int.class, null));
    assertEquals(1, (int) map.putInstance(Integer.class, null));

    assertNull(map.getInstance(int.class));

    void testV4Model() {
        assertEquals("4.0.0", new MavenModelVersion().getModelVersion(model));
    }

    @Test
    void testV4ModelVersion() {
        Model m = model.withModelVersion("4.1.0");
        assertEquals("4.0.0", new MavenModelVersion().getModelVersion(m));
    }

    @Test
    void testV4ModelRoot() {
        Model m = model.withRoot(true);

    assertEquals("", joiner.join(set));
    assertEquals("", joiner.join(set.iterator()));

    Object[] array = Lists.newArrayList(set).toArray(new Integer[0]);
    assertEquals("", joiner.join(array));

    StringBuilder sb1FromIterable = new StringBuilder();
    assertSame(sb1FromIterable, joiner.appendTo(sb1FromIterable, set));
    assertEquals(0, sb1FromIterable.length());

    HashCode hashCode = HashCode.fromBytes(bytes);

    assertEquals(0x0000abcd, hashCode.asInt());
    assertEquals("cdab0000", hashCode.toString());

    hashCode.getBytesInternal()[0] = (byte) 0x00;

    assertEquals(0x0000ab00, hashCode.asInt());
    assertEquals("00ab0000", hashCode.toString());
  }

  public void testPadToLong() {
    assertEquals(0x1111111111111111L, HashCode.fromLong(0x1111111111111111L).padToLong());