118 lines
3.1 KiB
Plaintext
118 lines
3.1 KiB
Plaintext
{
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Solutions to the Advent Of Code.
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Copyright (C) 2024 Stefan Müller
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>.
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}
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unit UPolynomialTestCases;
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{$mode ObjFPC}{$H+}
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interface
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uses
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Classes, SysUtils, fpcunit, testregistry, UPolynomial, UBigInt;
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type
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{ TBigIntPolynomialTestCase }
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TBigIntPolynomialTestCase = class(TTestCase)
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private
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procedure TestCreateWithDegree(const ACoefficients: array of TBigInt; const ADegree: Integer);
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published
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procedure TestCreate;
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procedure TestCreateDegreeOne;
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procedure TestCreateDegreeZero;
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procedure TestCreateDegreeZeroTrim;
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procedure TestEqual;
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procedure TestUnequalSameLength;
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procedure TestUnequalDifferentLength;
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procedure TestTrimLeadingZeros;
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end;
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implementation
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{ TBigIntPolynomialTestCase }
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procedure TBigIntPolynomialTestCase.TestCreateWithDegree(const ACoefficients: array of TBigInt; const ADegree: Integer);
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var
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a: TBigIntPolynomial;
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begin
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a := TBigIntPolynomial.Create(ACoefficients);
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AssertEquals('Degree of created polynomial incorrect.', ADegree, a.Degree);
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end;
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procedure TBigIntPolynomialTestCase.TestCreate;
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begin
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TestCreateWithDegree([992123, 7, 20, 4550022], 3);
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end;
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procedure TBigIntPolynomialTestCase.TestCreateDegreeOne;
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begin
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TestCreateWithDegree([4007], 0);
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end;
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procedure TBigIntPolynomialTestCase.TestCreateDegreeZero;
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begin
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TestCreateWithDegree([], -1);
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end;
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procedure TBigIntPolynomialTestCase.TestCreateDegreeZeroTrim;
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begin
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TestCreateWithDegree([0], -1);
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end;
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procedure TBigIntPolynomialTestCase.TestEqual;
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var
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a, b: TBigIntPolynomial;
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begin
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a := TBigIntPolynomial.Create([10, 7, 5, 1034]);
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b := TBigIntPolynomial.Create([10, 7, 5, 1034]);
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AssertTrue('Polynomials are not equal.', a = b);
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end;
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procedure TBigIntPolynomialTestCase.TestUnequalSameLength;
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var
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a, b: TBigIntPolynomial;
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begin
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a := TBigIntPolynomial.Create([103, 7, 5, 10]);
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b := TBigIntPolynomial.Create([1034, 7, 5, 10]);
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AssertTrue('Polynomials are equal.', a <> b);
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end;
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procedure TBigIntPolynomialTestCase.TestUnequalDifferentLength;
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var
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a, b: TBigIntPolynomial;
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begin
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a := TBigIntPolynomial.Create([40000, 10, 7, 5, 1034]);
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b := TBigIntPolynomial.Create([10, 7, 5, 1034]);
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AssertTrue('Polynomials are equal.', a <> b);
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end;
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procedure TBigIntPolynomialTestCase.TestTrimLeadingZeros;
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var
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a, b: TBigIntPolynomial;
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begin
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a := TBigIntPolynomial.Create([10, 7, 5, 1034, 0, 0]);
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b := TBigIntPolynomial.Create([10, 7, 5, 1034]);
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AssertTrue('Polynomials are not equal.', a = b);
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end;
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initialization
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RegisterTest(TBigIntPolynomialTestCase);
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end.
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