public void EqualsAndHashCode() { UniqueConstraint cst = new UniqueConstraint(new DataColumn [] { _table.Columns[0], _table.Columns[1] }); UniqueConstraint cst2 = new UniqueConstraint(new DataColumn [] { _table.Columns[1], _table.Columns[0] }); UniqueConstraint cst3 = new UniqueConstraint(_table.Columns [0]); UniqueConstraint cst4 = new UniqueConstraint(_table.Columns [2]); //true Assert.That(cst.Equals(cst2), Is.True, "A0"); //false Assert.That(cst.Equals(23), Is.False, "A1"); Assert.That(cst.Equals(cst3), Is.False, "A2"); Assert.That(cst3.Equals(cst), Is.False, "A3"); Assert.That(cst.Equals(cst4), Is.False, "A4"); //true Assert.That(cst.GetHashCode(), Is.EqualTo(cst2.GetHashCode()), "HashEquals"); //false Assert.That(cst.GetHashCode(), Is.Not.EqualTo(cst3.GetHashCode()), "Hash Not Equals"); }
public void EqualsAndHashCode() { UniqueConstraint cst = new UniqueConstraint(new DataColumn [] { _table.Columns[0], _table.Columns[1] }); UniqueConstraint cst2 = new UniqueConstraint(new DataColumn [] { _table.Columns[1], _table.Columns[0] }); UniqueConstraint cst3 = new UniqueConstraint(_table.Columns[0]); UniqueConstraint cst4 = new UniqueConstraint(_table.Columns[2]); //true Assert(cst.Equals(cst2) == true); //false Assert("A1", cst.Equals(23) == false); Assert("A2", cst.Equals(cst3) == false); Assert("A3", cst3.Equals(cst) == false); Assert("A4", cst.Equals(cst4) == false); //true Assert("HashEquals", cst.GetHashCode() == cst2.GetHashCode()); //false Assert("Hash Not Equals", (cst.GetHashCode() == cst3.GetHashCode()) == false); }
public void EqualsAndHashCode() { UniqueConstraint cst = new UniqueConstraint(new DataColumn[] { _table.Columns[0], _table.Columns[1] }); UniqueConstraint cst2 = new UniqueConstraint(new DataColumn[] { _table.Columns[1], _table.Columns[0] }); UniqueConstraint cst3 = new UniqueConstraint(_table.Columns[0]); UniqueConstraint cst4 = new UniqueConstraint(_table.Columns[2]); //true Assert.True(cst.Equals(cst2)); //false Assert.False(cst.Equals(23)); Assert.False(cst.Equals(cst3)); Assert.False(cst3.Equals(cst)); Assert.False(cst.Equals(cst4)); Assert.NotEqual(cst3.GetHashCode(), cst.GetHashCode()); }
public void EqualsAndHashCode() { UniqueConstraint cst = new UniqueConstraint(new DataColumn[] { _table.Columns[0], _table.Columns[1]}); UniqueConstraint cst2 = new UniqueConstraint(new DataColumn[] { _table.Columns[1], _table.Columns[0]}); UniqueConstraint cst3 = new UniqueConstraint(_table.Columns[0]); UniqueConstraint cst4 = new UniqueConstraint(_table.Columns[2]); //true Assert.True(cst.Equals(cst2)); //false Assert.False(cst.Equals(23)); Assert.False(cst.Equals(cst3)); Assert.False(cst3.Equals(cst)); Assert.False(cst.Equals(cst4)); Assert.NotEqual(cst3.GetHashCode(), cst.GetHashCode()); }