public void IsNull()
{
AString ms
= new AString(); UT_TRUE( ms.Capacity() == 0 ); UT_TRUE( ms.IsNull() ); UT_TRUE( !ms.IsNotNull() ); UT_TRUE( ms.IsEmpty() ); UT_TRUE( !ms.IsNotEmpty() );
ms._(""); UT_TRUE( ms.Capacity() != 0 ); UT_TRUE( !ms.IsNull() ); UT_TRUE( ms.IsNotNull() ); UT_TRUE( ms.IsEmpty() ); UT_TRUE( !ms.IsNotEmpty() );
ms._("x"); UT_TRUE( ms.Capacity() != 0 ); UT_TRUE( !ms.IsNull() ); UT_TRUE( ms.IsNotNull() ); UT_TRUE( !ms.IsEmpty() ); UT_TRUE( ms.IsNotEmpty() );
ms.SetNull(); UT_TRUE( ms.Capacity() == 0 ); UT_TRUE( ms.IsNull() ); UT_TRUE( !ms.IsNotNull() ); UT_TRUE( ms.IsEmpty() ); UT_TRUE( !ms.IsNotEmpty() );
ms._(""); UT_TRUE( ms.Capacity() != 0 ); UT_TRUE( !ms.IsNull() ); UT_TRUE( ms.IsNotNull() ); UT_TRUE( ms.IsEmpty() ); UT_TRUE( !ms.IsNotEmpty() );
ms._("x"); UT_TRUE( ms.Capacity() != 0 ); UT_TRUE( !ms.IsNull() ); UT_TRUE( ms.IsNotNull() ); UT_TRUE( !ms.IsEmpty() ); UT_TRUE( ms.IsNotEmpty() );
ms.SetNull(); UT_TRUE( ms.Capacity() == 0 ); UT_TRUE( ms.IsNull() ); UT_TRUE( !ms.IsNotNull() ); UT_TRUE( ms.IsEmpty() ); UT_TRUE( !ms.IsNotEmpty() );
ms.SetBuffer(5); UT_TRUE( ms.Capacity() != 0 ); UT_TRUE( !ms.IsNull() ); UT_TRUE( ms.IsNotNull() ); UT_TRUE( ms.IsEmpty() ); UT_TRUE( !ms.IsNotEmpty() );
ms._("x"); UT_TRUE( ms.Capacity() != 0 ); UT_TRUE( !ms.IsNull() ); UT_TRUE( ms.IsNotNull() ); UT_TRUE( !ms.IsEmpty() ); UT_TRUE( ms.IsNotEmpty() );
}
public void _()
{
// append char[]
{
AString ms= new AString(); char[] csNull= null; char[] csEmpty= "".ToCharArray();
ms._( csNull ); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._( csEmpty); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNotNull() );
ms.SetNull(); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._("1234567".ToCharArray()); UT_EQ ( ms.Capacity(), 16 ); UT_EQ( "1234567", ms );
ms._("89" .ToCharArray()); UT_TRUE( ms.Length()> 7 ); UT_EQ( "123456789", ms );
char[] t= "0123456789".ToCharArray();
ms.Clear()._ ( t, 5); UT_EQ( ms, "56789" );
ms.Clear()._ ( t, 5, 100); UT_EQ( ms, "56789" );
ms.Clear()._ ( t, -5); UT_EQ( ms, "0123456789" );
ms.Clear()._ ( t, -5, 3); UT_EQ( ms, "" );
ms.Clear()._ ( t, 50, 3); UT_EQ( ms, "" );
ms.Clear()._ ( t, 10, 3); UT_EQ( ms, "" );
ms.Clear()._ ( t, -5, 10); UT_EQ( ms, "01234" );
ms.Clear()._ ( t, -5, 100); UT_EQ( ms, "0123456789" );
// _NC
ms.SetNull(); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._NC( csEmpty,0,0); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms.Clear()._NC( t, 5,3); UT_EQ( ms, "567" );
}
// append AString
{
AString ms= new AString(); AString asNull= null; AString asEmpty= new AString(""); AString t= new AString( "012" );
ms._( asNull ); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._( asEmpty); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNotNull() );
ms.SetNull(); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._( t ); UT_EQ ( ms.Capacity(), 16 ); UT_EQ( "012" , ms );
ms._( t ); UT_TRUE( ms.Length()> 3 ); UT_EQ( "012012", ms );
t.Clear()._( "0123456789" );
ms.Clear()._ ( t, 5); UT_EQ( ms, "56789" );
ms.Clear()._ ( t, 5, 100); UT_EQ( ms, "56789" );
ms.Clear()._ ( t, -5); UT_EQ( ms, "0123456789" );
ms.Clear()._ ( t, -5, 3); UT_EQ( ms, "" );
ms.Clear()._ ( t, 50, 3); UT_EQ( ms, "" );
ms.Clear()._ ( t, 10, 3); UT_EQ( ms, "" );
ms.Clear()._ ( t, -5, 10); UT_EQ( ms, "01234" );
ms.Clear()._ ( t, -5, 100); UT_EQ( ms, "0123456789" );
ms.Clear()._NC( t ); UT_EQ( ms, "0123456789" );
ms.Clear()._NC( t, 1, 9 ); UT_EQ( ms, "123456789" );
ms.Clear()._NC( t, 1, 2 ); UT_EQ( ms, "12" );
ms.Clear()._NC( t, 1, 8 ); UT_EQ( ms, "12345678" );
ms.Clear()._NC( t, 1, 9 ); UT_EQ( ms, "123456789" );
ms.Clear()._NC( t, 5, 5 ); UT_EQ( ms, "56789" );
// _NC
ms.SetNull(); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._NC( asEmpty); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms.Clear()._NC( t, 5, 3); UT_EQ( ms, "567" );
}
// append Substring
{
AString ms= new AString(); Substring ssNull= null; Substring ssEmpty= new Substring( "" ); Substring t= new Substring( "01234" );
ms._( ssNull ); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._( ssEmpty); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNotNull() );
ms.SetNull(); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._( t ); UT_EQ ( ms.Capacity(), 16 ); UT_EQ( "01234" , ms );
ms._( t ); UT_TRUE( ms.Length()> 5 ); UT_EQ( "0123401234", ms );
t.Consume(); ms.Clear()._( t ); UT_EQ( ms, "1234" );
t.Consume(); ms.Clear()._( t ); UT_EQ( ms, "234" );
t.ConsumeFromEnd(); ms.Clear()._( t ); UT_EQ( ms, "23" );
// _NC
ms.SetNull(); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._NC( ssEmpty ); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms.Clear()._NC( t); UT_EQ( ms, "23" );
}
// append String
{
AString ms= new AString(); String sEmpty= ""; String t= "012";
ms._( sEmpty); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNotNull() );
ms.SetNull(); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._( t ); UT_EQ ( ms.Capacity(), 16 ); UT_EQ( "012" , ms );
ms._( t ); UT_TRUE( ms.Length()> 3 ); UT_EQ( "012012", ms );
t= "0123456789";
ms.Clear()._( t, 5); UT_EQ( ms, "56789" );
ms.Clear()._( t, 5, 100); UT_EQ( ms, "56789" );
ms.Clear()._( t, -5); UT_EQ( ms, "0123456789" );
ms.Clear()._( t, -5, 3); UT_EQ( ms, "" );
ms.Clear()._( t, 50, 3); UT_EQ( ms, "" );
ms.Clear()._( t, 10, 3); UT_EQ( ms, "" );
ms.Clear()._( t, -5, 10); UT_EQ( ms, "01234" );
ms.Clear()._( t, -5, 100); UT_EQ( ms, "0123456789" );
// _NC
ms.SetNull(); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms._NC( sEmpty ); UT_EQ ( ms.Length(), 0 ); UT_TRUE( ms.IsNull() );
ms.Clear()._NC( t); UT_EQ( ms, "0123456789" );
ms.Clear()._NC( t ,2,3); UT_EQ( ms, "234" );
}
// append String Builders
{
AString ms= new AString(); StringBuilder t= new StringBuilder( "012");
ms._( t ); UT_EQ ( ms.Capacity(), 16 ); UT_EQ( "012" , ms );
ms._( t ); UT_TRUE( ms.Length()> 3 ); UT_EQ( "012012", ms );
t.Clear().Append("0123456789");
ms.Clear()._( t, 5); UT_EQ( ms, "56789" );
ms.Clear()._( t, 5, 100); UT_EQ( ms, "56789" );
ms.Clear()._( t, -5); UT_EQ( ms, "0123456789" );
ms.Clear()._( t, -5, 3); UT_EQ( ms, "" );
ms.Clear()._( t, 50, 3); UT_EQ( ms, "" );
ms.Clear()._( t, 10, 3); UT_EQ( ms, "" );
ms.Clear()._( t, -5, 10); UT_EQ( ms, "01234" );
ms.Clear()._( t, -5, 100); UT_EQ( ms, "0123456789" );
}
}
/** ****************************************************************************************
* Tests and returns true, if the given AString equals to what this object
* represents. True is returned if both are zero length or \c null.
*
* @param compareString The %AString that is compared to this %AString.
* @param sensitivity Case sensitivity of the comparison.
* Optional and defaults to Case.Sensitive.
*
* @return true, if contents of this and the given %AString are equal
******************************************************************************************/
public bool Equals( AString compareString, Case sensitivity= Case.Sensitive )
{
// null?
if ( compareString == null || compareString.IsNull() )
return IsNull();
// same length?
if ( compareString.Length() != Length() )
return false;
return ContainsAt( compareString, 0, sensitivity );
}