Files
harbour-core/harbour/tests/overload.prg
1999-10-25 11:25:54 +00:00

78 lines
2.2 KiB
Plaintext

//
// $Id$
//
//
// DynObj
//
// Implementation of operator overload in Harbour
//
// Date : 1999/05/15
//
// Written by Eddie Runia <eddie@runia.com>
// www - http://www.harbour-project.org
//
// Placed in the public domain
//
function Main()
local oString := TString():New( "Hello" )
QOut( "Testing TString with Operator Overloading" )
QOut( oString:cValue )
QOut( "---" )
? ValType( oString )
QOut( "Equal........:", oString = "Hello" )
QOut( "Exactly Equal:", oString == "Hello" )
QOut( "Not Equal != :", oString != "Hello" )
QOut( "Not Equal <> :", oString <> "Hello" )
QOut( "Not Equal # :", oString # "Hello" )
QOut( "Substring $ :", oString $ "Hello" )
QOut( "Less than :", oString < "Hello" )
QOut( "Less than or Equal:", oString <= "Hello" )
QOut( "Greater than :", oString < "Hello" )
QOut( "Greater than or Equal:", oString <= "Hello" )
QOut( "Concatenation + :", oString + "Hello" )
QOut( "Concatenation - :", oString - "Hello" )
return nil
function TString()
static oClass
if oClass == nil
oClass = TClass():New( "TSTRING" ) // starts a new class definition
oClass:AddData( "cValue" ) // define this class objects datas
oClass:AddMethod( "New", @New() )
oClass:AddInline( "==", {| self, cTest | ::cValue == cTest } )
oClass:AddInline( "!=", {| self, cTest | ::cValue != cTest } )
oClass:AddInline( "<" , {| self, cTest | ::cValue < cTest } )
oClass:AddInline( "<=", {| self, cTest | ::cValue <= cTest } )
oClass:AddInline( ">" , {| self, cTest | ::cValue > cTest } )
oClass:AddInline( ">=", {| self, cTest | ::cValue >= cTest } )
oClass:AddInline( "+" , {| self, cTest | ::cValue + cTest } )
oClass:AddInline( "-" , {| self, cTest | ::cValue - cTest } )
oClass:AddInline( "$" , {| self, cTest | ::cValue $ cTest } )
oClass:AddInline( "HasMsg", {| self, cMsg | __ObjHasMsg( QSelf(), cMsg ) } )
oClass:Create() // builds this class
endif
return oClass:Instance() // builds an object of this class
static function New( cText )
local Self := QSelf()
::cValue := cText
return Self