1626e8ab2f
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8126 8e941d3f-bd1b-0410-a28a-d453659cc2b4
88 lines
1.8 KiB
ObjectPascal
88 lines
1.8 KiB
ObjectPascal
{-------------------------------------------------------------------------------
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Tests for some dedicated math routines which are specific to spreadsheets.
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-------------------------------------------------------------------------------}
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unit mathtests;
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{$mode objfpc}{$H+}
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{$modeswitch advancedrecords}
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interface
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uses
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{$IFDEF Unix}
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//required for formatsettings
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clocale,
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{$ENDIF}
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// Not using Lazarus package as the user may be working with multiple versions
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// Instead, add .. to unit search path
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Classes, SysUtils, fpcunit, testregistry,
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fpstypes, fpspreadsheet, fpsutils;
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type
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{ TSpreadMathTests }
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//Write to xls/xml file and read back
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TSpreadMathTests = class(TTestCase)
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private
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protected
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procedure TestRound(InputValue: Double; Expected: Integer);
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published
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// Test whether "round" avoids Banker's rounding
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procedure TestRound_plus15;
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procedure Testround_minus15;
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procedure TestRound_plus25;
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procedure TestRound_minus25;
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end;
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implementation
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{ TSpreadMathTests }
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procedure TSpreadMathTests.TestRound(InputValue: Double; Expected: Integer);
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var
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book: TsWorkbook;
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sheet: TsWorksheet;
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readValue: String;
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begin
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book := TsWorkbook.Create;
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try
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sheet := book.AddWorksheet('Math');
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sheet.WriteNumber(1, 1, InputValue, nfFixed, 0);
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readValue := sheet.ReadAsText(1, 1);
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CheckEquals(Expected, StrToInt(readValue),
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'Rounding error, sheet "' + sheet.Name + '"')
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finally
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book.Free;
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end;
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end;
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procedure TSpreadMathTests.TestRound_plus15;
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begin
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TestRound(1.5, 2);
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end;
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procedure TSpreadMathTests.TestRound_minus15;
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begin
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Testround(-1.5, -2);
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end;
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procedure TSpreadMathTests.TestRound_plus25;
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begin
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TestRound(2.5, 3);
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end;
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procedure TSpreadMathTests.Testround_minus25;
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begin
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TestRound(-2.5, -3);
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end;
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initialization
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RegisterTest(TSpreadMathTests);
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end.
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