public void EqualsSameObjectTest()
{
var token = new OperationToken(Operations.Multiplication);
Assert.True(token.Equals(token));
Assert.Equal(token, token);
}
public void EqualsNullTest()
{
var token = new OperationToken(Operations.Multiplication);
Assert.False(token.Equals(null));
Assert.NotEqual(null, token);
}
public void EqualsDiffTypeTest()
{
var token = new OperationToken(Operations.Multiplication);
Assert.False(token.Equals(1));
Assert.NotEqual((object)1, token);
}
public void EqualsDiffOperationTest()
{
var token1 = new OperationToken(Operations.Multiplication);
var token2 = new OperationToken(Operations.Subtraction);
Assert.False(token1.Equals(token2));
Assert.NotEqual(token1, token2);
}
public void ToStringTest()
{
var token = new OperationToken(Operations.Multiplication);
Assert.Equal("Operation: Multiplication", token.ToString());
}
/// <summary>
/// Creates an expression object from <see cref="OperationToken"/>.
/// </summary>
/// <param name="token">The operation token.</param>
/// <returns>An expression.</returns>
protected virtual IExpression CreateOperation(OperationToken token)
{
switch (token.Operation)
{
case Operations.Addition:
return new Add();
case Operations.Subtraction:
return new Sub();
case Operations.Multiplication:
return new Mul();
case Operations.Division:
return new Div();
case Operations.Exponentiation:
return new Pow();
case Operations.UnaryMinus:
return new UnaryMinus();
case Operations.Factorial:
return new Fact();
case Operations.Assign:
return new Define();
case Operations.ConditionalAnd:
return new Expressions.Programming.And();
case Operations.ConditionalOr:
return new Expressions.Programming.Or();
case Operations.Equal:
return new Equal();
case Operations.NotEqual:
return new NotEqual();
case Operations.LessThan:
return new LessThan();
case Operations.LessOrEqual:
return new LessOrEqual();
case Operations.GreaterThan:
return new GreaterThan();
case Operations.GreaterOrEqual:
return new GreaterOrEqual();
case Operations.AddAssign:
return new AddAssign();
case Operations.SubAssign:
return new SubAssign();
case Operations.MulAssign:
return new MulAssign();
case Operations.DivAssign:
return new DivAssign();
case Operations.Increment:
return new Inc();
case Operations.Decrement:
return new Dec();
case Operations.Not:
return new Not();
case Operations.And:
return new Expressions.LogicalAndBitwise.And();
case Operations.Or:
return new Expressions.LogicalAndBitwise.Or();
case Operations.XOr:
return new XOr();
case Operations.Implication:
return new Implication();
case Operations.Equality:
return new Equality();
case Operations.NOr:
return new NOr();
case Operations.NAnd:
return new NAnd();
default:
return null;
}
}
/// <summary>
/// Creates an expression object from <see cref="OperationToken"/>.
/// </summary>
/// <param name="token">The operation token.</param>
/// <returns>An expression.</returns>
protected virtual IExpression CreateOperation(OperationToken token)
{
switch (token.Operation)
{
case Operations.Addition:
return new Add();
case Operations.Subtraction:
return new Sub();
case Operations.Multiplication:
return new Mul();
case Operations.Division:
return new Div();
case Operations.Exponentiation:
return new Pow();
case Operations.UnaryMinus:
return new UnaryMinus();
case Operations.Factorial:
return new Fact();
case Operations.Assign:
return new Define();
case Operations.Not:
return new Not();
case Operations.And:
return new And();
case Operations.Or:
return new Or();
case Operations.XOr:
return new XOr();
default:
return null;
}
}
