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SimpleUTXOSetBaseTest.java
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SimpleUTXOSetBaseTest.java
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package base;
import UTXOSet.ElementProof;
import UTXOSet.UTXOSet;
import base.network.Node;
import org.junit.Test;
import UTXOSet.UTXOSetImpl;
import UTXOSet.UTXOSetProofImpl;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Base class for testing {@link UTXOSet} realizations.
*
* @author olegggatttor
* @see UTXOSetImpl
* @see UTXOSetProofImpl
*/
public abstract class SimpleUTXOSetBaseTest {
protected final int COINS_SIZE = 100;
protected UTXOSet utxoSet;
/**
* Simple test for addition to {@link UTXOSet} implementation.
* <p>
* Verifies that the coin presents in set after addition.
*/
@Test
public void singleAdd() {
final String coin = "123456789";
final ElementProof proof = utxoSet.add(coin);
assertTrue(utxoSet.verify(proof));
}
/**
* Simple test with addition and deletion to/from {@link UTXOSet} implementation.
* <p>
* Verifies that the coin presents in set after addition and
* does not present after deletion.
*/
@Test
public void singleAddThenDelete() {
final String coin = "123456789";
final ElementProof proof = utxoSet.add(coin);
final boolean deletionResult = utxoSet.verifyAndDelete(proof);
assertTrue(deletionResult);
assertFalse(utxoSet.verify(proof));
}
/**
* Complex test with addition and deletion of many coins to/from {@link UTXOSet} implementation.
* <p>
* Verifies that coin presents in set after addition and
* does not present after deletion.
*/
@Test
public void multipleInteractions() {
final String[] coins = new String[COINS_SIZE];
final ElementProof[] proofs = new ElementProof[COINS_SIZE];
for (int i = 0; i < COINS_SIZE; i++) {
coins[i] = Node.genCoin();
proofs[i] = utxoSet.add(coins[i]);
assertTrue(utxoSet.verify(proofs[i]));
}
for (int i = COINS_SIZE - 1; i >= 0; i--) {
assertTrue(utxoSet.verifyAndDelete(proofs[i]));
assertFalse(utxoSet.verifyAndDelete(proofs[i]));
}
}
}