assertEquals( "com.sample",
this.walker.getPackageDescr().getName() );
RuleDescr rule = (RuleDescr) this.walker.getPackageDescr().getRules().get( 0 );
assertEquals( "test",
rule.getName() );
FieldConstraintDescr fieldConstr = (FieldConstraintDescr) ((PatternDescr) rule.getLhs().getDescrs().get( 0 )).getDescrs().get( 0 );
RestrictionConnectiveDescr restConnective = (RestrictionConnectiveDescr) fieldConstr.getRestrictions().get( 0 );
assertEquals( 2,
restConnective.getRestrictions().size() );
}