/**
* Constructs this string formula
*
* @param t the record
* @param excelFile the excel file
* @param fr the formatting record
* @param es the external sheet
* @param nt the workbook
* @param si the sheet
* @param dummy the overload indicator
*/
public SharedStringFormulaRecord(Record t,
File excelFile,
FormattingRecords fr,
ExternalSheet es,
WorkbookMethods nt,
SheetImpl si,
EmptyString dummy)
: base(t, fr, es, nt, si, excelFile.getPos())
{
value = string.Empty;
}
public void ConvertBackThrowsException()
{
// Arrange
var conv = new EmptyString();
// Act
var ex = ExceptionAssert.Catch <NotSupportedException>(() => conv.ConvertBack(null, null, null, null));
// Assert
Assert.IsNotNull(ex);
}
public void StringIsHandledCorrectly()
{
// Arrange
var conv = new EmptyString();
// Act
var empty = (bool)conv.Convert(string.Empty, null, null, null);
var nonEmpty = (bool)conv.Convert(" ", null, null, null);
// Assert
Assert.IsTrue(empty);
Assert.IsFalse(nonEmpty);
}
public void NonStringIsHandledCorrectly()
{
// Arrange
var conv = new EmptyString();
// Act
var nullObj = conv.Convert(null, null, null, null);
var integer = conv.Convert(123, null, null, null);
// Assert
Assert.IsTrue((bool)nullObj);
Assert.IsTrue((bool)integer);
}
public static bool IsEmpty(object value1)
{
if (value1 == null)
{
return(true);
}
if (value1.GetType().Equals(typeof(string)))
{
return(EmptyString.Equals((string)value1));
}
if (value1.GetType().Equals(typeof(DateTime)))
{
return(EmptyDate.Equals((DateTime)value1));
}
if (value1.GetType().Equals(typeof(byte[])))
{
return(((byte[])value1).Length == 0);
}
return(false);
}
/**
* Constructs this string formula
*
* @param t the record
* @param excelFile the excel file
* @param fr the formatting record
* @param es the external sheet
* @param nt the workbook
* @param si the sheet
* @param dummy the overload indicator
*/
public SharedStringFormulaRecord(Record t,
File excelFile,
FormattingRecords fr,
ExternalSheet es,
WorkbookMethods nt,
SheetImpl si,
EmptyString dummy)
: base(t,fr,es,nt,si,excelFile.getPos())
{
value = string.Empty;
}
/// <summary>
/// Create plain string format.
/// </summary>
public TextFormat()
{
_null = new NullString(this);
_empty = new EmptyString(this);
}
public virtual void Visit(EmptyString expression, T context)
{
}
public override void Visit(EmptyString expression, object context)
{
expressions.Add(expression);
base.Visit(expression, context);
}
public void Visit(EmptyString expression, Nonterminal context)
{
Add(context, expression, NullTerminal.Instance);
}
/// <summary>
/// Create default format.
/// </summary>
public CSharpFormat()
{
_null = new NullString(this);
_empty = new EmptyString(this);
}
