public void RunBeforeEachTest()
{
Precision p = new Precision();
this.Name = p.Name;
this.PrecisionType = p.PrecisionType;
this.FaceValue = p.FaceValue;
this.NumberOfDigits = p.NumberOfDigits;
}
public static string CalculateRoundedScaledNumber( decimal number, decimal rounding, Precision precisionWrapper )
{
decimal tmpRounding = rounding;
int scaleFactor = 0;
while( tmpRounding >= 10 )
{
scaleFactor++;
tmpRounding /= 10;
}
int precision = 0;
if( precisionWrapper != null )
precision = precisionWrapper.NumberOfDigits * -1;
if( scaleFactor >= precision )
{
decimal scaledNumber = number / rounding;
int decimalPlaces = scaleFactor - precision;
decimal roundedNumber = Round( scaledNumber, decimalPlaces );
string decimalFormat = new String( '0', decimalPlaces );
if( decimalFormat.Length > 0 )
decimalFormat = "." + decimalFormat;
//in this scenario, the scaling is GREATER than the rounding
//therefore we don't have any decimals
string numberFormat = string.Format( "###############0{0};-###############0{0};0{0}", decimalFormat );
string formattedNumber = roundedNumber.ToString( numberFormat );
return formattedNumber;
}
else
{
decimal scaledNumber = number / rounding;
//this must be negative or 0
//ex:
//Math.Round( 123456, -3 ) == 123000
int roundoffPlaces = scaleFactor - precision;
Debug.Assert( roundoffPlaces <= 0 );
decimal roundedNumber = Round( scaledNumber, roundoffPlaces );
string decimalFormat = new String( '0', 0 );
if( decimalFormat.Length > 0 )
decimalFormat = "." + decimalFormat;
//in this scenario, the scaling is LESS than the rounding
//therefore we don't have any decimals
string formattedNumber = roundedNumber.ToString( "###############0;-###############0;0" );
return formattedNumber;
}
}
private Precision CreatePrecision( Precision.PrecisionTypeCode typeCode, int decimals )
{
return new Precision( typeCode, decimals );
}
private Precision CreatePrecision( Precision.PrecisionTypeCode typeCode )
{
return new Precision( typeCode );
}
public void CopyPrecision( InstanceReportRow arg )
{
if( arg.MyPrecision != null )
{
this.MyPrecision = new Precision( arg.MyPrecision.PrecisionType, arg.MyPrecision.NumberOfDigits );
}
}
public void Test_Append_DecimalINF()
{
XmlDocument doc = new XmlDocument();
XmlElement elem = doc.CreateElement( "test" );
doc.AppendChild( elem );
Precision pp = new Precision( Precision.PrecisionTypeCode.Decimals );
elem.Attributes.Append( pp.CreateAttribute( doc ) );
string expectedXML =
@"<?xml version=""1.0"" encoding=""utf-16""?>
<test decimals=""INF"" />";
System.IO.StringWriter writer = new System.IO.StringWriter();
doc.Save( writer );
Assert.AreEqual( expectedXML, writer.ToString() );
}
public void TestGetTreeNodeContainerAt()
{
Precision obj = new Precision();
Precision obj2 = new Precision();
AddTreeNode( obj );
Assert.AreEqual(1, TreeNodes.Count, "Incorrect number of nodes");
AddTreeNode( obj2 );
Assert.AreEqual(2, TreeNodes.Count, "Incorrect number of nodes");
Precision badObj = GetTreeNodeContainerAt(5) as Precision;
Assert.IsNull(badObj, "Oject should not have been found");
Precision tmp1 = GetTreeNodeContainerAt(0) as Precision;
Assert.AreSame(obj, tmp1, "Tree node at index is not correct");
Precision tmp2 = GetTreeNodeContainerAt(1) as Precision;
Assert.AreSame(obj2, tmp2, "Tree node at index is not correct");
}
public void Test_FromXml_Append_Decimals_M7()
{
XmlDocument doc = new XmlDocument();
XmlElement elem = doc.CreateElement( "test" );
doc.AppendChild( elem );
Precision pp = new Precision( Precision.PrecisionTypeCode.Decimals, -7 );
XmlAttribute attr = pp.CreateAttribute( doc );
Precision p = null;
ArrayList errors = new ArrayList();
Assert.IsTrue( Precision.TryCreateFromXml( attr, out p, ref errors ), "precision not created" );
Assert.IsTrue( p.ValueEquals( pp ), "xml precision different from the real deal" );
}
public void ApplyRounding( Precision precision, decimal divisor )
{
if( Math.Abs( this.NumericAmount ) >= 100 )
{
this.RoundedNumericAmount =
InstanceReport.CalculateRoundedScaledNumber( this.NumericAmount, divisor, precision );
}
else
{
this.RoundedNumericAmount = this.NumericAmount.ToString();
}
}
/// <summary>
/// Sets the precision reference and text properties of this <see cref="MarkupProperty"/>.
/// </summary>
/// <param name="pp">The precision type of this <see cref="Precision"/> will be
/// included in precision text property.</param>
public void SetPrecision(Precision pp)
{
precisionDef = pp;
precisionText = (pp == null) ? string.Empty : "precision: " + pp.PrecisionType.ToString();
}
public static RoundingLevel GetRoundingLevelFromPrecision(Precision prec)
{
if( prec == null )
return RoundingLevel.UnKnown;
if( prec.PrecisionType != Precision.PrecisionTypeCode.Decimals )
return RoundingLevel.UnKnown;
if( prec.NumberOfDigits > 0 )
return RoundingLevel.NoRounding;
int posNumDigits = prec.NumberOfDigits * -1;
if( !Enum.IsDefined( typeof( RoundingLevel ), posNumDigits ) )
return RoundingLevel.UnKnown;
RoundingLevel rounding = (RoundingLevel)posNumDigits;
//Ensure that `tens` and `hundreds` are not rounded
if( rounding == RoundingLevel.Hundreds || rounding == RoundingLevel.Tens )
return RoundingLevel.NoRounding;
else
return rounding;
}
/// <summary>
/// This method tries to create a Precision object from xml attribute.
/// </summary>
/// <param name="attr">XML attribute.</param>
/// <param name="p">The precision object to be created.</param>
/// <param name="errors">If the precison can't be created, returns the exceptions.</param>
/// <returns>Returns true, if the precision object can be created.</returns>
public static bool TryCreateFromXml( XmlAttribute attr, out Precision p, ref ArrayList errors )
{
p = new Precision();
if ( errors == null )
{
errors = new ArrayList();
}
if ( attr.LocalName == DECIMALS )
{
p.PrecisionType = PrecisionTypeCode.Decimals;
}
else
{
p.PrecisionType = PrecisionTypeCode.Precision;
}
if ( attr.Value.CompareTo( INF ) == 0 )
{
p.FaceValue = true;
}
else
{
try
{
p.NumberOfDigits = int.Parse( attr.Value );
}
catch ( FormatException )
{
return false;
}
}
return true;
}
/// <summary>
/// Appends unit nodes to a parameter supplied root element if they do not exist in <see cref="xDoc"/>.
/// Sets the "unitRef" attribute to reflect the unit id
/// of a parameter-supplied <see cref="UnitProperty"/>.
/// </summary>
/// <param name="root">The document-level root element to which elements will be appended.</param>
/// <param name="elem">The element whose attributes are to be set.</param>
/// <param name="errors">A collection of <see cref="String"/> objects to which method
/// will append any errors.</param>
/// <param name="presProp">A <see cref="Precision"/> from which precision attributes will be created.</param>
/// <param name="unit">A <see cref="UnitProperty"/> from which unit elements will be created.</param>
protected void AppendUnitInfo(XmlElement root, XmlElement elem, UnitProperty unit, Precision presProp, ArrayList errors)
{
elem.SetAttribute( UNIT_REF, unit.UnitID );
if ( presProp != null )
{
elem.Attributes.Append( presProp.CreateAttribute( xDoc ) );
}
string mergeKey = mergeDocs ? @"//link2:" : @"//";
if ( this.xDoc.SelectSingleNode( string.Format( mergeKey + "unit[@id=\"{0}\"]", unit.UnitID ), theManager ) == null )
{
XmlElement unitNode = null;
if ( mergeDocs )
{
units.Add( unit );
if ( unit.CreateElementWithNamespaces( xDoc, root, errors, out unitNode, this.writeComments ) )
{
root.InsertAfter( unitNode, unitComment );
}
}
else
{
if ( unit.CreateElement( xDoc, root, errors, out unitNode, this.writeComments ) )
{
root.InsertAfter( unitNode, unitComment );
}
}
}
}
