public void testSchemeSpecificPart() {
UriBuilder builder = new UriBuilderImpl();
builder.scheme("http");
builder.fragment("frag");
builder.schemeSpecificPart("//iamlegend.hp.com@localhost:80/path1/{var1}/path3");
String uriStr = builder.build("path2").toString();
assertEquals("http://iamlegend.hp.com@localhost:80/path1/path2/path3#frag", uriStr);
builder.schemeSpecificPart("//path4/{var1}");
uriStr = builder.build("path5").toString();