Olive.Random/tests/RandomTest.pas

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2016-05-04 10:28:06 -07:00
{$ASSERTIONS ON}
{$mode objfpc}{$H+}
Program RandomTest;
Uses
Renegade.Random,
Renegade.Random.Generic,
Renegade.Random.RandomInterface,
Classes,
SysUtils;
var
S : AnsiString;
T : TBytes;
RRandom : TRandom;
i : Byte;
begin
SetLength(S, 22);
SetLength(T, 22);
{ Custom random generator }
RRandom := TRandom.Init;
Assert(RRandom.InheritsFrom(RandomTrait));
RRandom.RandomGenerator := RandomGeneric.Create;
Assert(RRandom.InheritsFrom(RandomTrait));
S := RRandom.GetString(22);
T := RRandom.GetBytes(22);
Writeln(S);
Writeln(Length(S));
Assert(Length(S) = 22);
Assert(High(S) = 22);
Assert(Low(S) = 1);
for i := Low(S) to High(S) do
begin
Assert(S[i] in [#0..#255]);
end;
{ Custom random generator bytes }
Assert(Length(T) = 22);
Assert(High(T) = 21);
Assert(Low(T) = 0);
for i := 0 to High(T) do
begin
Assert(T[i] in [0..255]);
end;
{ Reset to default }
RRandom.SetDefaultGenerator;
S := RRandom.GetString(22);
Assert(Length(S) = 22);
Assert(High(S) = 22);
Assert(Low(S) = 1);
for i := Low(S) to High(S) do
begin
Assert(S[i] in [#0..#255]);
end;
T := RRandom.GetBytes(22);
{ Random Bytes Default Generator }
Assert(Length(T) = 22);
Assert(High(T) = 21);
Assert(Low(T) = 0);
for i := 0 to High(T) do
begin
Assert(T[i] in [0..255]);
end;
RRandom.Free;
try // Check for access violation after free.
RRandom.GetString(22);
except
on e: Exception do
begin
Assert(e.ClassNameIs('EAccessViolation'));
Assert(e.Message = 'Access violation');
end;
end;
end.