Package test.ethereum.db

Source Code of test.ethereum.db.ByteArrayWrapperTest

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package test.ethereum.db;

import static org.junit.Assert.*;

import java.util.Arrays;
import java.util.Comparator;

import org.ethereum.db.ByteArrayWrapper;
import org.ethereum.util.FastByteComparisons;
import org.junit.BeforeClass;
import org.junit.Test;
import org.spongycastle.util.encoders.Hex;

import com.google.common.primitives.UnsignedBytes;

public class ByteArrayWrapperTest {

  static ByteArrayWrapper wrapper1;
  static ByteArrayWrapper wrapper2;
  static ByteArrayWrapper wrapper3;
  static ByteArrayWrapper wrapper4;
 
  @BeforeClass
  public static void loadByteArrays() {
   
    String block = "f9072df8d3a077ef4fdaf389dca53236bcf7f72698e154eab2828f86fbc4fc6c"
        + "d9225d285c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0"
        + "a142fd40d493479476f5eabe4b342ee56b8ceba6ab2a770c3e2198e7a0faa0ca"
        + "43105f667dceb168eb4e0cdc98ef28a9da5c381edef70d843207601719a06785"
        + "f3860460b2aa29122698e83a5151b270e82532c1663e89e3df8c5445b8ca833f"
        + "f000018609184e72a000830f3e6f8227d2845387c58f80a00000000000000000"
        + "0000000000000000000000000000000094148d7738f78c04f90654f8c6f8a080"
        + "8609184e72a00082271094000000000000000000000000000000000000000080"
        + "b83a33604557602a5160106000396000f200604556330e0f602a59366000530a"
        + "0f602a596020600053013560005335576040600053016000546009581ca033a6"
        + "bfa5eb2f4b63f1b98bed9a987d096d32e56deecb050367c84955508f5365a015"
        + "034e7574ec073f0c448aac1d9f844387610dfef5342834b6825fbc35df5913a0"
        + "ee258e73d41ada73d8d6071ba7d236fbbe24fcfb9627fbd4310e24ffd87b961a"
        + "8203e9f90194f9016d018609184e72a000822710940000000000000000000000"
        + "00000000000000000080b901067f4e616d655265670000000000000000000000"
        + "00000000000000000000000000003057307f4e616d6552656700000000000000"
        + "000000000000000000000000000000000000577f436f6e666967000000000000"
        + "000000000000000000000000000000000000000073ccdeac59d35627b7de0933"
        + "2e819d5159e7bb72505773ccdeac59d35627b7de09332e819d5159e7bb72507f"
        + "436f6e6669670000000000000000000000000000000000000000000000000000"
        + "57336045576041516100c56000396000f20036602259604556330e0f600f5933"
        + "ff33560f601e5960003356576000335700604158600035560f602b590033560f"
        + "603659600033565733600035576000353357001ca0f3c527e484ea5546189979"
        + "c767b69aa9f1ad5a6f4b6077d4bccf5142723a67c9a069a4a29a2a315102fcd0"
        + "822d39ad696a6d7988c993bb2b911cc2a78bb8902d91a01ebe4782ea3ed224cc"
        + "bb777f5de9ee7b5bbb282ac08f7fa0ef95d3d1c1c6d1a1820ef7f8ccf8a60286"
        + "09184e72a00082271094ccdeac59d35627b7de09332e819d5159e7bb725080b8"
        + "4000000000000000000000000000000000000000000000000000000000000000"
        + "000000000000000000000000002d0aceee7e5ab874e22ccf8d1a649f59106d74"
        + "e81ba095ad45bf574c080e4d72da2cfd3dbe06cc814c1c662b5f74561f13e1e7"
        + "5058f2a057745a3db5482bccb5db462922b074f4b79244c4b1fa811ed094d728"
        + "e7b6da92a08599ea5d6cb6b9ad3311f0d82a3337125e05f4a82b9b0556cb3776"
        + "a6e1a02f8782132df8abf885038609184e72a000822710942d0aceee7e5ab874"
        + "e22ccf8d1a649f59106d74e880a0476176000000000000000000000000000000"
        + "00000000000000000000000000001ca09b5fdabd54ebc284249d2d2df6d43875"
        + "cb86c52bd2bac196d4f064c8ade054f2a07b33f5c8b277a408ec38d2457441d2"
        + "af32e55681c8ecb28eef3d2a152e8db5a9a0227a67fceb1bf4ddd31a7047e24b"
        + "e93c947ab3b539471555bb3509ed6e393c8e82178df90277f90250048609184e"
        + "72a0008246dd94000000000000000000000000000000000000000080b901e961"
        + "010033577f476176436f696e0000000000000000000000000000000000000000"
        + "000000000060005460006000600760006000732d0aceee7e5ab874e22ccf8d1a"
        + "649f59106d74e860645c03f150436000576000600157620f424060025761017d"
        + "5161006c6000396000f2006020360e0f61013f59602060006000374360205460"
        + "0056600054602056602054437f6e000000000000000000000000000000000000"
        + "00000000000000000000000000560e0f0f61008059437f6e0000000000000000"
        + "0000000000000000000000000000000000000000000000576000602054610400"
        + "60005304600053036000547f6400000000000000000000000000000000000000"
        + "0000000000000000000000005660016000030460406000200a0f61013e596001"
        + "60205301602054600a6020530b0f6100f45961040060005304600053017f6400"
        + "0000000000000000000000000000000000000000000000000000000000005760"
        + "20537f6900000000000000000000000000000000000000000000000000000000"
        + "000000576000537f640000000000000000000000000000000000000000000000"
        + "000000000000000057006040360e0f0f61014a59003356604054600035566060"
        + "546020356080546080536040530a0f6101695900608053604053033357608053"
        + "60605301600035571ba0190fc7ab634dc497fe1656fde523a4c26926d51a93db"
        + "2ba37af8e83c3741225da066ae0ec1217b0ca698a5369d4881e1c4cbde56af99"
        + "31ebf9281580a23b659c08a051f947cb2315d0259f55848c630caa10cd91d6e4"
        + "4ff8bad7758c65b25e2191308227d2c0";
   
    byte[] test1 = Hex.decode(block);
    byte[] test2 = Hex.decode(block);
    byte[] test3 = Hex.decode("4ff8bad7758c65b25e2191308227d2c0");
    byte[] test4 = Hex.decode("");
   
    wrapper1 = new ByteArrayWrapper(test1);
    wrapper2 = new ByteArrayWrapper(test2);
    wrapper3 = new ByteArrayWrapper(test3);
    wrapper4 = new ByteArrayWrapper(test4);
  }
 
  @Test
  public void testEqualsObject() {
    assertTrue(wrapper1.equals(wrapper2));
    assertFalse(wrapper1.equals(wrapper3));
    assertFalse(wrapper1.equals(wrapper4));
    assertFalse(wrapper1.equals(null));
    assertFalse(wrapper2.equals(wrapper3));
  }

  @Test
  public void testCompareTo() {
    assertTrue(wrapper1.compareTo(wrapper2) == 0);
    assertTrue(wrapper1.compareTo(wrapper3) > 1);
    assertTrue(wrapper1.compareTo(wrapper4) > 1);
    assertTrue(wrapper2.compareTo(wrapper3) > 1);
  }
 
  @Test
  public void testEqualsPerformance() {
    boolean testEnabled = false;
   
    if(testEnabled) {
      final int ITERATIONS = 10000000;
      long start1 = System.currentTimeMillis();
      for (int i = 0; i < ITERATIONS; i++) {
        Comparator<byte[]> comparator = UnsignedBytes
            .lexicographicalComparator();

        comparator.compare(wrapper1.getData(),
            wrapper2.getData());
      }
      System.out.println(System.currentTimeMillis() - start1 + "ms");
     
      long start2 = System.currentTimeMillis();
      for (int i = 0; i < ITERATIONS; i++) {
        Arrays.equals(wrapper1.getData(), wrapper2.getData());
      }
      System.out.println(System.currentTimeMillis() - start2 + "ms");
     
      long start3 = System.currentTimeMillis();
      for (int i = 0; i < ITERATIONS; i++) {
        FastByteComparisons.compareTo(wrapper1.getData(), 0, wrapper1.getData().length, wrapper2.getData(), 0, wrapper1.getData().length);
      }
      System.out.println(System.currentTimeMillis() - start3 + "ms");
    }
  } 
}
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Related Classes of test.ethereum.db.ByteArrayWrapperTest

  • org.ethereum.db.ByteArrayWrapper
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