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+{ Source provided for Free Pascal Bug Report 3170 }
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+{ Submitted by "Michalis Kamburelis" on 2004-06-15 }
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+{ e-mail: [email protected] }
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+{ Simple test of 4 string comparison routines: [Ansi]Compare(Str|Text)
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+ with AnsiStrings with #0 chars inside.
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+
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+ FPC 1.9.5 fails only at CompareStr + ('hello', 'hello'#0'bye')
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+ test, passes all other.
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+ After applying my small patch to sysstr.inc, FPC 1.9.5 passes
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+ all tests.
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+
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+ Delphi note: Kylix 3 does not pass this test with Ansi- functions,
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+ it seems that in Kylix 3 Ansi- functions consider #0 char to mark
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+ end of AnsiString (I will not submit this as a compatibility bug,
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+ as I consider this stupid, FPC behaviour is definitely more
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+ sensible and consequent here).
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+}
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+
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+{$apptype CONSOLE}
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+{$assertions ON}
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+{$ifdef FPC} {$mode objfpc} {$endif}
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+{$longstrings ON}
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+
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+uses SysUtils;
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+
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+type
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+ TCompare2Strings = function(const s1, s2:string):Integer;
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+
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+procedure Check(CompareFunc:TCompare2Strings);
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+begin
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+ Assert(CompareFunc('hello'#0'bye', 'hello'#0'bye') = 0);
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+ Assert(CompareFunc('hello'#0'seeya', 'hello'#0'bye') > 0);
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+ Assert(CompareFunc('hello', 'hello'#0'bye') < 0);
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+
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+{ alternative:
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+ Writeln(CompareFunc('hello'#0'bye', 'hello'#0'bye'));
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+ Writeln(CompareFunc('hello'#0'seeya', 'hello'#0'bye'));
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+ Writeln(CompareFunc('hello', 'hello'#0'bye'));
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+}
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+end;
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+
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+begin
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+ Writeln('CompareStr'); Check(@CompareStr);
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+ Writeln('CompareText'); Check(@CompareText);
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+ Writeln('AnsiCompareStr'); Check(@AnsiCompareStr);
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+ Writeln('AnsiCompareText'); Check(@AnsiCompareText);
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+end.
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florian