public void TestBooleanBinaryExpressionEquals()
{
BooleanBinaryExpression first = new BooleanBinaryExpression()
{
Type = BooleanBinaryType.AND,
Left = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.Equals,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
},
Right = new IntegerLiteral()
{
Value = 3
}
},
Right = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.GreaterThan,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c2"
}
},
Right = new IntegerLiteral()
{
Value = 17
}
}
};
BooleanBinaryExpression firstClone = new BooleanBinaryExpression()
{
Type = BooleanBinaryType.AND,
Left = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.Equals,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
},
Right = new IntegerLiteral()
{
Value = 3
}
},
Right = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.GreaterThan,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c2"
}
},
Right = new IntegerLiteral()
{
Value = 17
}
}
};
BooleanBinaryExpression second = new BooleanBinaryExpression()
{
Type = BooleanBinaryType.OR,
Left = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.Equals,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
},
Right = new IntegerLiteral()
{
Value = 3
}
},
Right = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.GreaterThan,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c2"
}
},
Right = new IntegerLiteral()
{
Value = 17
}
}
};
BooleanBinaryExpression third = new BooleanBinaryExpression()
{
Type = BooleanBinaryType.AND,
Left = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.Equals,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
},
Right = new IntegerLiteral()
{
Value = 4
}
},
Right = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.GreaterThan,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c2"
}
},
Right = new IntegerLiteral()
{
Value = 17
}
}
};
BooleanBinaryExpression fourth = new BooleanBinaryExpression()
{
Type = BooleanBinaryType.AND,
Left = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.Equals,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c1"
}
},
Right = new IntegerLiteral()
{
Value = 3
}
},
Right = new BooleanComparisonExpression()
{
Type = BooleanComparisonType.GreaterThan,
Left = new ColumnReference()
{
Identifiers = new List <string>()
{
"c2"
}
},
Right = new IntegerLiteral()
{
Value = 18
}
}
};
//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());
}
