118 lines
2.2 KiB
ObjectPascal
118 lines
2.2 KiB
ObjectPascal
unit records2u;
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type TRec = record
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a: integer;
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b: string;
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end;
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TRec2 = record
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a : TRec;
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b : array[1..3] of TRec;
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end;
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TRec3 = record
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a : TRec2;
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b : array of TRec2;
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end;
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procedure Test(r : TRec);
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begin
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assert(r.a = 5); assert(r.b = 'Hello');
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end;
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procedure Test2(var r : TRec);
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begin
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assert(r.a = 5); assert(r.b = 'Hello');
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end;
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procedure Test3(r : TRec2);
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begin
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assert(r.a.a = 5); assert(r.b[1].a = 5);
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end;
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procedure Test4(var r : TRec2);
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begin
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assert(r.a.a = 5); assert(r.b[1].a = 5);
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end;
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procedure Test5(r : TRec3);
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begin
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assert(r.a.a.a = 5); assert(r.a.b[1].a = 5);
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end;
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procedure Test6(var r : TRec3);
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begin
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assert(r.a.a.a = 5); assert(r.a.b[1].a = 5);
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end;
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procedure Test7(r : TRec3);
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procedure Nested;
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begin
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assert(r.a.b[3].a = 444);
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end;
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begin
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r.a.b[3].a := 444;
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Nested;
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end;
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procedure Test8(var r : TRec3);
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procedure Nested;
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begin
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assert(r.a.b[3].a = 444);
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end;
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begin
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r.a.b[3].a := 444;
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Nested;
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end;
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procedure ProcWithRecords;
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var r1 : TRec;
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r2 : TRec2;
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r3 : TRec3;
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begin
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SetLength(r3.b,5);
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r1.a := 5; r1.b := 'Hello';assert(r1.a = 5); assert(r1.b = 'Hello');
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r2.a := r1; r2.b[1] := r1; assert(r2.a.a = 5); assert(r2.a.b = 'Hello');
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assert(r2.b[1].a = 5); assert(r2.b[1].b = 'Hello');
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r3.a := r2; assert(r3.a.b[1].a = 5);
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Test(r1);
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Test2(r1);
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Test3(r2); Test4(r2);
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Test5(r3); Test6(r3);
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Test7(r3);
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assert(r3.a.b[3].a <> 444);
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Test8(r3);
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assert(r3.a.b[3].a = 444);
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end;
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procedure ProcWithRecords2;
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var r1 : TRec;
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r2 : TRec2;
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r3 : TRec3;
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procedure Nested;
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begin
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assert(r1.a = 5); assert(r1.b = 'Hello');
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assert(r2.a.a = 5); assert(r2.a.b = 'Hello');
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assert(r2.b[1].a = 5); assert(r2.b[1].b = 'Hello');
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assert(r3.a.b[1].a = 5);
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end;
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begin
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SetLength(r3.b,5);
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r1.a := 5; r1.b := 'Hello';assert(r1.a = 5); assert(r1.b = 'Hello');
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r2.a := r1; r2.b[1] := r1; assert(r2.a.a = 5); assert(r2.a.b = 'Hello');
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assert(r2.b[1].a = 5); assert(r2.b[1].b = 'Hello');
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r3.a := r2; assert(r3.a.b[1].a = 5);
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Nested;
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Test(r1);
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Test2(r1);
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Test3(r2); Test4(r2);
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Test5(r3); Test6(r3);
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Test7(r3);
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assert(r3.a.b[3].a <> 444);
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Test8(r3);
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assert(r3.a.b[3].a = 444);
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end;
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end. |