public virtual void TestCaptureState() { // init a first instance AttributeSource src = new AttributeSource(); TermAttribute termAtt = (TermAttribute)src.AddAttribute(typeof(TermAttribute)); TypeAttribute typeAtt = (TypeAttribute)src.AddAttribute(typeof(TypeAttribute)); termAtt.SetTermBuffer("TestTerm"); typeAtt.SetType("TestType"); int hashCode = src.GetHashCode(); AttributeSource.State state = src.CaptureState(); // modify the attributes termAtt.SetTermBuffer("AnotherTestTerm"); typeAtt.SetType("AnotherTestType"); Assert.IsTrue(hashCode != src.GetHashCode(), "Hash code should be different"); src.RestoreState(state); Assert.AreEqual("TestTerm", termAtt.Term()); Assert.AreEqual("TestType", typeAtt.Type()); Assert.AreEqual(hashCode, src.GetHashCode(), "Hash code should be equal after restore"); // restore into an exact configured copy AttributeSource copy = new AttributeSource(); copy.AddAttribute(typeof(TermAttribute)); copy.AddAttribute(typeof(TypeAttribute)); copy.RestoreState(state); Assert.AreEqual(src.GetHashCode(), copy.GetHashCode(), "Both AttributeSources should have same hashCode after restore"); Assert.AreEqual(src, copy, "Both AttributeSources should be equal after restore"); // init a second instance (with attributes in different order and one additional attribute) AttributeSource src2 = new AttributeSource(); typeAtt = (TypeAttribute)src2.AddAttribute(typeof(TypeAttribute)); Lucene.Net.Analysis.Tokenattributes.FlagsAttribute flagsAtt = (Lucene.Net.Analysis.Tokenattributes.FlagsAttribute)src2.AddAttribute(typeof(Lucene.Net.Analysis.Tokenattributes.FlagsAttribute)); termAtt = (TermAttribute)src2.AddAttribute(typeof(TermAttribute)); flagsAtt.SetFlags(12345); src2.RestoreState(state); Assert.AreEqual("TestTerm", termAtt.Term()); Assert.AreEqual("TestType", typeAtt.Type()); Assert.AreEqual(12345, flagsAtt.GetFlags(), "FlagsAttribute should not be touched"); // init a third instance missing one Attribute AttributeSource src3 = new AttributeSource(); termAtt = (TermAttribute)src3.AddAttribute(typeof(TermAttribute)); try { src3.RestoreState(state); Assert.Fail("The third instance is missing the TypeAttribute, so restoreState() should throw IllegalArgumentException"); } catch (System.ArgumentException iae) { // pass } }
public override void CopyTo(AttributeImpl target) { FlagsAttribute t = (FlagsAttribute)target; t.SetFlags(flags); }