public void TestSearchExpressionEquals()
{
SearchExpression first = new SearchExpression()
{
AllColumns = false,
Columns = new List <ColumnReference>()
{
new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
}
},
Value = new StringLiteral()
{
Value = "test"
}
};
SearchExpression firstClone = new SearchExpression()
{
AllColumns = false,
Columns = new List <ColumnReference>()
{
new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
}
},
Value = new StringLiteral()
{
Value = "test"
}
};
SearchExpression second = new SearchExpression()
{
AllColumns = true,
Columns = new List <ColumnReference>()
{
new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
}
},
Value = new StringLiteral()
{
Value = "test"
}
};
SearchExpression third = new SearchExpression()
{
AllColumns = false,
Columns = new List <ColumnReference>()
{
new ColumnReference()
{
Identifiers = new List <string>()
{
"c2"
}
}
},
Value = new StringLiteral()
{
Value = "test"
}
};
SearchExpression fourth = new SearchExpression()
{
AllColumns = false,
Columns = new List <ColumnReference>()
{
new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
}
},
Value = new StringLiteral()
{
Value = "test2"
}
};
//Equals
Assert.IsTrue(Equals(first, firstClone));
Assert.IsFalse(Equals(first, null));
Assert.IsFalse(Equals(first, second));
Assert.IsFalse(Equals(first, third));
Assert.IsFalse(Equals(first, fourth));
Assert.IsFalse(Equals(first, "other type"));
//Hash code
Assert.AreEqual(first.GetHashCode(), firstClone.GetHashCode());
Assert.AreNotEqual(first.GetHashCode(), second.GetHashCode());
Assert.AreNotEqual(first.GetHashCode(), third.GetHashCode());
Assert.AreNotEqual(first.GetHashCode(), fourth.GetHashCode());
}