public void TestGetDistance1() { IStringDistance nsd = new NGramDistance(1); float d = nsd.GetDistance("al", "al"); assertEquals(d, 1.0f, 0.001); d = nsd.GetDistance("a", "a"); assertEquals(d, 1.0f, 0.001); d = nsd.GetDistance("b", "a"); assertEquals(d, 0.0f, 0.001); d = nsd.GetDistance("martha", "marhta"); assertEquals(d, 0.6666, 0.001); d = nsd.GetDistance("jones", "johnson"); assertEquals(d, 0.4285, 0.001); d = nsd.GetDistance("natural", "contrary"); assertEquals(d, 0.25, 0.001); d = nsd.GetDistance("abcvwxyz", "cabvwxyz"); assertEquals(d, 0.75, 0.001); d = nsd.GetDistance("dwayne", "duane"); assertEquals(d, 0.666, 0.001); d = nsd.GetDistance("dixon", "dicksonx"); assertEquals(d, 0.5, 0.001); d = nsd.GetDistance("six", "ten"); assertEquals(d, 0, 0.001); float d1 = nsd.GetDistance("zac ephron", "zac efron"); float d2 = nsd.GetDistance("zac ephron", "kai ephron"); assertEquals(d1, d2, 0.001); d1 = nsd.GetDistance("brittney spears", "britney spears"); d2 = nsd.GetDistance("brittney spears", "brittney startzman"); assertTrue(d1 > d2); d1 = nsd.GetDistance("12345678", "12890678"); d2 = nsd.GetDistance("12345678", "72385698"); assertEquals(d1, d2, 001); }
public void TestEmpty() { IStringDistance nsd = new NGramDistance(1); float d = nsd.GetDistance("", "al"); assertEquals(d, 0.0f, 0.001); }
public void TestGetDistance2() { IStringDistance sd = new NGramDistance(2); float d = sd.GetDistance("al", "al"); assertEquals(d, 1.0f, 0.001); d = sd.GetDistance("a", "a"); assertEquals(d, 1.0f, 0.001); d = sd.GetDistance("b", "a"); assertEquals(d, 0.0f, 0.001); d = sd.GetDistance("a", "aa"); assertEquals(d, 0.5f, 0.001); d = sd.GetDistance("martha", "marhta"); assertEquals(d, 0.6666, 0.001); d = sd.GetDistance("jones", "johnson"); assertEquals(d, 0.4285, 0.001); d = sd.GetDistance("natural", "contrary"); assertEquals(d, 0.25, 0.001); d = sd.GetDistance("abcvwxyz", "cabvwxyz"); assertEquals(d, 0.625, 0.001); d = sd.GetDistance("dwayne", "duane"); assertEquals(d, 0.5833, 0.001); d = sd.GetDistance("dixon", "dicksonx"); assertEquals(d, 0.5, 0.001); d = sd.GetDistance("six", "ten"); assertEquals(d, 0, 0.001); float d1 = sd.GetDistance("zac ephron", "zac efron"); float d2 = sd.GetDistance("zac ephron", "kai ephron"); assertTrue(d1 > d2); d1 = sd.GetDistance("brittney spears", "britney spears"); d2 = sd.GetDistance("brittney spears", "brittney startzman"); assertTrue(d1 > d2); d1 = sd.GetDistance("0012345678", "0012890678"); d2 = sd.GetDistance("0012345678", "0072385698"); assertEquals(d1, d2, 0.001); }
public void TestGetDistance3() { IStringDistance sd = new NGramDistance(3); float d = sd.GetDistance("al", "al"); assertEquals(d, 1.0f, 0.001); d = sd.GetDistance("a", "a"); assertEquals(d, 1.0f, 0.001); d = sd.GetDistance("b", "a"); assertEquals(d, 0.0f, 0.001); d = sd.GetDistance("martha", "marhta"); assertEquals(d, 0.7222, 0.001); d = sd.GetDistance("jones", "johnson"); assertEquals(d, 0.4762, 0.001); d = sd.GetDistance("natural", "contrary"); assertEquals(d, 0.2083, 0.001); d = sd.GetDistance("abcvwxyz", "cabvwxyz"); assertEquals(d, 0.5625, 0.001); d = sd.GetDistance("dwayne", "duane"); assertEquals(d, 0.5277, 0.001); d = sd.GetDistance("dixon", "dicksonx"); assertEquals(d, 0.4583, 0.001); d = sd.GetDistance("six", "ten"); assertEquals(d, 0, 0.001); float d1 = sd.GetDistance("zac ephron", "zac efron"); float d2 = sd.GetDistance("zac ephron", "kai ephron"); assertTrue(d1 > d2); d1 = sd.GetDistance("brittney spears", "britney spears"); d2 = sd.GetDistance("brittney spears", "brittney startzman"); assertTrue(d1 > d2); d1 = sd.GetDistance("0012345678", "0012890678"); d2 = sd.GetDistance("0012345678", "0072385698"); assertTrue(d1 < d2); }
public void TestEmpty() { IStringDistance nsd = new NGramDistance(1); float d = nsd.GetDistance("", "al"); assertEquals(d, 0.0f, 0.001); }