public void Equals_GivenSingeleColumn_ColumnEqualsToItself()
{
Assert.IsTrue(originalColumn.Equals(originalColumn));
Assert.IsTrue(originalColumn.Equals((object)originalColumn));
Assert.IsTrue(originalColumn == originalColumn);
}
public void Equals_GivenTwoEqualsObjects_ObjectsAreEquals()
{
Assert.IsTrue(originalColumn.Equals(copyOfOriginalColumn));
Assert.IsTrue(originalColumn.Equals((object)copyOfOriginalColumn));
Assert.IsTrue(copyOfOriginalColumn.Equals(originalColumn));
Assert.IsTrue(copyOfOriginalColumn.Equals((object)originalColumn));
Assert.IsTrue(originalColumn == copyOfOriginalColumn);
Assert.IsTrue(copyOfOriginalColumn == originalColumn);
}
public void Equals_GivenTwoNotEqualsObjects_EqualsMethodReturnFalse()
{
ReportColumn a = null;
ReportColumn b = null;
Assert.IsTrue(a == b);
//compare with null
Assert.IsFalse(originalColumn.Equals(null));
Assert.IsFalse(originalColumn == null);
Assert.IsFalse(null == originalColumn);
//compare objects with different types.
Assert.IsFalse(originalColumn.Equals(new object()));
Assert.IsFalse(originalColumn.Equals("String object"));
Assert.IsFalse(originalColumn.Equals(42));
//compare objects with same type
Assert.IsFalse(originalColumn.Equals(differentColumn));
Assert.IsFalse(originalColumn.Equals((object)differentColumn));
Assert.IsFalse(originalColumn == differentColumn);
Assert.IsTrue(originalColumn != differentColumn);
//compare objects with different titles
a = new ReportColumn()
{
Title = "ColumnA",
SqlValueExpression = "Exp"
};
b = new ReportColumn()
{
Title = "ColumnB",
SqlValueExpression = "Exp"
};
Assert.IsFalse(a.Equals(b));
Assert.IsFalse(b.Equals(a));
Assert.IsFalse(a == b);
Assert.IsFalse(b == a);
//compare objects with different SqlValueExpressions
a = new ReportColumn()
{
Title = "Column",
SqlValueExpression = "ExpA"
};
b = new ReportColumn()
{
Title = "Column",
SqlValueExpression = "ExpB"
};
Assert.IsFalse(a.Equals(b));
Assert.IsFalse(b.Equals(a));
Assert.IsFalse(a == b);
Assert.IsFalse(b == a);
}
public void Equals_Symmetric()
{
var x = new ReportColumn()
{
Title = "Column A",
SqlValueExpression = "select 1"
};
var y = new ReportColumn()
{
Title = "Column A",
SqlValueExpression = "select 1"
};
Assert.IsTrue(x.Equals(y) && y.Equals(x));
Assert.IsTrue(x.GetHashCode() == y.GetHashCode());
}