public void CompareTo()
{
Substring tss= new Substring();
// null string comparison
String nullString= null;
UT_TRUE( tss.CompareTo( nullString) == 0 );
UT_TRUE( tss.Equals( nullString) );
tss.Set( "" );
UT_TRUE( tss.CompareTo( nullString) != 0 );
UT_TRUE( !tss.Equals( nullString) );
tss.SetNull();
UT_TRUE( tss.CompareTo( nullString) == 0 );
UT_TRUE( tss.Equals( nullString) );
String t= "abcde";
tss= new Substring("01"+t+"234", 2, t.Length );
int result, resSys;
result= tss.CompareTo( t ); UT_EQ( t.CompareTo( t ), result );
result= tss.CompareTo( t + "x" ); UT_EQ( t.CompareTo( t + "x" ), result );
result= tss.CompareTo( t.Substring (0, t.Length -1 ) ); UT_EQ( t.CompareTo( t.Substring (0, t.Length -1 ) ), result );
result= tss.CompareTo( "pad" + t, Case.Sensitive, 3 ); UT_EQ( 0, result );
result= tss.CompareTo( "pad" + t, Case.Sensitive, 3, 2 ); UT_EQ( 1, result );
// greater/smaller strings
{
String greater= "x";
String greater2= "abcdef";
String smaller= "aaa";
String smaller2= "abcd";
result= tss.CompareTo( greater ); resSys= t.CompareTo( greater ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( greater2 ); resSys= t.CompareTo( greater2 ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( smaller ); resSys= t.CompareTo( smaller ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( smaller2 ); resSys= t.CompareTo( smaller2 ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
String ut= t.ToUpper();
UT_FALSE( 0 == tss.CompareTo( ut ) );
UT_FALSE( 0 == tss.CompareTo( ut, Case.Sensitive ));
UT_TRUE ( 0 == tss.CompareTo( ut, Case.Ignore ));
}
{
AString greater= new AString( "x" );
AString greater2= new AString( "abcdef" );
AString smaller= new AString( "aaa" );
AString smaller2= new AString( "abcd" );
result= tss.CompareTo( greater ); resSys= t.CompareTo( greater .ToString() ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( greater2 ); resSys= t.CompareTo( greater2 .ToString() ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( smaller ); resSys= t.CompareTo( smaller .ToString() ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( smaller2 ); resSys= t.CompareTo( smaller2 .ToString() ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
AString ut= new AString (t.ToUpper());
UT_FALSE( 0 == tss.CompareTo( ut ) );
UT_FALSE( 0 == tss.CompareTo( ut, Case.Sensitive ));
UT_TRUE ( 0 == tss.CompareTo( ut, Case.Ignore ));
}
{
Substring greater= new Substring( "123x" , 3 );
Substring greater2= new Substring( "123abcdef" , 3 );
Substring smaller= new Substring( "123aaa" , 3 );
Substring smaller2= new Substring( "123abcd" , 3 );
result= tss.CompareTo( greater ); resSys= t.CompareTo( greater .ToString() ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( greater2 ); resSys= t.CompareTo( greater2 .ToString() ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( smaller ); resSys= t.CompareTo( smaller .ToString() ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
result= tss.CompareTo( smaller2 ); resSys= t.CompareTo( smaller2 .ToString() ); UT_TRUE( result==resSys || (result < 0 && resSys < 0) || (result > 0 && resSys > 0) );
Substring ut= new Substring( t.ToUpper() );
UT_FALSE( 0 == tss.CompareTo( ut ) );
UT_FALSE( 0 == tss.CompareTo( ut, Case.Sensitive ));
UT_TRUE ( 0 == tss.CompareTo( ut, Case.Ignore ));
}
}