mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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118 lines
2.7 KiB
ObjectPascal
118 lines
2.7 KiB
ObjectPascal
{
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*****************************************************************************
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* *
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* See the file COPYING.modifiedLGPL.txt, included in this distribution, *
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* for details about the copyright. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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*****************************************************************************
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Authors: Alexander Klenin
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}
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unit UtilsTest;
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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, TAChartUtils;
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type
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{ TIntervalListTest }
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TIntervalListTest = class(TTestCase)
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private
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FIList: TIntervalList;
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protected
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procedure SetUp; override;
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procedure TearDown; override;
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published
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procedure Basic;
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procedure Intersect;
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procedure Merge;
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end;
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implementation
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{ TIntervalListTest }
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procedure TIntervalListTest.Basic;
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begin
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AssertEquals(0, FIList.IntervalCount);
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FIList.AddRange(1.0, 2.0);
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AssertEquals(1, FIList.IntervalCount);
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FIList.AddPoint(3.0);
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AssertEquals(2, FIList.IntervalCount);
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AssertEquals(3.0, FIList.Interval[1].FEnd);
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FIList.Clear;
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AssertEquals(0, FIList.IntervalCount);
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end;
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procedure TIntervalListTest.Intersect;
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var
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l, r: Double;
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hint: Integer = 0;
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begin
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FIList.Clear;
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FIList.AddRange(1.0, 2.0);
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l := 5.0;
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r := 6.0;
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AssertFalse(FIList.Intersect(l, r, hint));
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l := 1.5;
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r := 6.0;
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AssertTrue(FIList.Intersect(l, r, hint));
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AssertEquals(2.0, r);
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FIList.Epsilon := 0.1;
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l := 0.5;
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r := 2.5;
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AssertTrue(FIList.Intersect(l, r, hint));
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AssertEquals(0.9, l);
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AssertEquals(2.1, r);
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end;
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procedure TIntervalListTest.Merge;
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begin
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FIList.Clear;
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FIList.AddRange(1.0, 2.0);
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FIList.AddRange(3.0, 4.0);
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AssertEquals(2, FIList.IntervalCount);
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FIList.AddRange(1.5, 2.5);
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AssertEquals(2, FIList.IntervalCount);
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AssertEquals(2.5, FIList.Interval[0].FEnd);
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FIList.AddRange(3.5, 3.6);
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AssertEquals(2, FIList.IntervalCount);
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FIList.AddRange(2.5, 3.0);
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AssertEquals(1, FIList.IntervalCount);
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FIList.AddPoint(4.0);
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AssertEquals(1, FIList.IntervalCount);
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FIList.AddPoint(4.1);
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AssertEquals(2, FIList.IntervalCount);
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end;
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procedure TIntervalListTest.SetUp;
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begin
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inherited SetUp;
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FIList := TIntervalList.Create;
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end;
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procedure TIntervalListTest.TearDown;
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begin
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inherited TearDown;
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FreeAndNil(FIList);
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end;
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initialization
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RegisterTests([TIntervalListTest]);
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end.
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