5708534b94
Since the previous call would throw if there was nothing to be assigned to the value. Idea from tml. Used the following script to find places: git grep -A3 -n UNO_QUERY_THROW | grep -B3 -F 'is()' Change-Id: I36ba7b00bcd014bdf16c0455ab91056f82194969 Reviewed-on: https://gerrit.libreoffice.org/55417 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Tor Lillqvist <tml@collabora.com> Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
209 lines
7 KiB
C++
209 lines
7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include "charttest.hxx"
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#include <com/sun/star/chart2/XRegressionCurveContainer.hpp>
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#include <com/sun/star/chart2/XRegressionCurveCalculator.hpp>
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#include <SpecialCharacters.hxx>
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// Define the index of sheets in the test document
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#define SHEET_POTENTIAL1 0
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#define SHEET_POTENTIAL2 ( SHEET_POTENTIAL1 + 1)
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#define SHEET_POTENTIAL_LAST ( SHEET_POTENTIAL2 )
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#define SHEET_LINEAR1 ( SHEET_POTENTIAL_LAST + 1 )
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#define SHEET_LINEAR_LAST ( SHEET_LINEAR1 )
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#define SHEET_POLYNOMIAL1 ( SHEET_LINEAR_LAST + 1 )
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#define SHEET_POLYNOMIAL_LAST ( SHEET_POLYNOMIAL1 )
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#define SHEET_EXPONENTIAL1 ( SHEET_POLYNOMIAL_LAST + 1 )
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#define SHEET_EXPONENTIAL2 ( SHEET_EXPONENTIAL1 + 1 )
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class Chart2TrendCalculators : public ChartTest
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{
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public:
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void setUp() override;
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void tearDown() override;
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void testPotentialRegression1();
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void testPotentialRegression2();
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void testLinearRegression1();
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void testPolynomialRegression1();
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void testExponentialRegression1();
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void testExponentialRegression2();
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CPPUNIT_TEST_SUITE(Chart2TrendCalculators);
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CPPUNIT_TEST(testPotentialRegression1);
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CPPUNIT_TEST(testPotentialRegression2);
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CPPUNIT_TEST(testLinearRegression1);
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CPPUNIT_TEST(testPolynomialRegression1);
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CPPUNIT_TEST(testExponentialRegression1);
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CPPUNIT_TEST(testExponentialRegression2);
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CPPUNIT_TEST_SUITE_END();
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private:
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Reference<chart2::XRegressionCurve> m_xCurve;
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Reference< chart2::XRegressionCurveCalculator > m_xRegressionCurveCalculator;
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void loadCalculatorFromSheet(sal_Int32 nSheet);
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void checkCalculator(
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const Sequence< double >& xValues, const Sequence< double >& yValues,
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const OUString& sExpectedFormula );
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};
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void Chart2TrendCalculators::setUp()
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{
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ChartTest::setUp();
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load("/chart2/qa/extras/data/ods/", "trend_calculators.ods");
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}
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void Chart2TrendCalculators::tearDown()
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{
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m_xRegressionCurveCalculator.clear();
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m_xCurve.clear();
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ChartTest::tearDown();
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}
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void Chart2TrendCalculators::loadCalculatorFromSheet(sal_Int32 nSheet)
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{
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Reference<chart2::XChartDocument> xChartDoc = getChartDocFromSheet(nSheet, mxComponent);
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CPPUNIT_ASSERT_MESSAGE("failed to load chart", xChartDoc.is());
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CPPUNIT_ASSERT(xChartDoc.is());
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Reference<chart2::XDataSeries> xDataSeries = getDataSeriesFromDoc(xChartDoc, 0);
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CPPUNIT_ASSERT(xDataSeries.is());
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Reference<chart2::XRegressionCurveContainer> xRegressionCurveContainer(xDataSeries, UNO_QUERY_THROW);
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Sequence< Reference< chart2::XRegressionCurve > > xRegressionCurveSequence = xRegressionCurveContainer->getRegressionCurves();
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CPPUNIT_ASSERT_EQUAL(sal_Int32(1), xRegressionCurveSequence.getLength());
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m_xCurve = xRegressionCurveSequence[0];
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CPPUNIT_ASSERT(m_xCurve.is());
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m_xRegressionCurveCalculator = m_xCurve->getCalculator();
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CPPUNIT_ASSERT(m_xRegressionCurveCalculator.is());
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}
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void Chart2TrendCalculators::checkCalculator(
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const Sequence< double >& xValues, const Sequence< double >& yValues,
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const OUString& sExpectedFormula )
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{
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m_xRegressionCurveCalculator->recalculateRegression( xValues, yValues );
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OUString aRepresentation = m_xRegressionCurveCalculator->getRepresentation ();
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CPPUNIT_ASSERT_EQUAL( sExpectedFormula, aRepresentation );
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double r2 = m_xRegressionCurveCalculator->getCorrelationCoefficient();
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CPPUNIT_ASSERT_DOUBLES_EQUAL( 1.0, r2, 1e-8 );
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}
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// test y = A x ^ B
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void Chart2TrendCalculators::testPotentialRegression1()
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{
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loadCalculatorFromSheet( SHEET_POTENTIAL1 );
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m_xRegressionCurveCalculator->setRegressionProperties( 0, false, 0, 0 );
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Sequence< double > xValues( 7 );
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Sequence< double > yValues( 7 );
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for (int i=0; i<7; i++)
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{
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const double d = static_cast<double>(i);
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xValues[i] = d;
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yValues[i] = 2.0 * pow ( d, 3 );
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}
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checkCalculator( xValues, yValues, "f(x) = 2 x^3");
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}
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// test y = A x ^ B
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void Chart2TrendCalculators::testPotentialRegression2()
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{
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loadCalculatorFromSheet( SHEET_POTENTIAL2 );
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m_xRegressionCurveCalculator->setRegressionProperties( 0, false, 0, 0 );
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Sequence< double > xValues( 7 );
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Sequence< double > yValues( 7 );
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for (int i=0; i<7; i++)
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{
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const double d = static_cast<double>(i);
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xValues[i] = d;
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yValues[i] = -2.0 * pow ( d, 3 );
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}
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checkCalculator( xValues, yValues, "f(x) = "+ OUStringLiteral1(aMinusSign) +" 2 x^3");
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}
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// test y = - 2 X - 5
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void Chart2TrendCalculators::testLinearRegression1()
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{
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loadCalculatorFromSheet( SHEET_LINEAR1 );
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m_xRegressionCurveCalculator->setRegressionProperties( 1, false, 0, 0 );
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Sequence< double > xValues( 7 );
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Sequence< double > yValues( 7 );
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for (int i=0; i<7; i++)
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{
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const double d = static_cast<double>(i);
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xValues[i] = d;
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yValues[i] = - 2.0 * d - 5.0 ;
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}
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checkCalculator( xValues, yValues, "f(x) = "+ OUStringLiteral1(aMinusSign) +" 2 x "+ OUStringLiteral1(aMinusSign) +" 5");
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}
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// test y = A x ^ B
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void Chart2TrendCalculators::testPolynomialRegression1()
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{
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loadCalculatorFromSheet( SHEET_POLYNOMIAL1 );
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m_xRegressionCurveCalculator->setRegressionProperties( 2, false, 0, 0 );
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Sequence< double > xValues( 7 );
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Sequence< double > yValues( 7 );
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for (int i=0; i<7; i++)
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{
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const double d = static_cast<double>(i);
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xValues[i] = d;
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yValues[i] = - 2.0 * d * d + 4 * d - 5;
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}
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OUString sExpectedFormula( "f(x) = "+ OUStringLiteral1(aMinusSign) +" 2 x" + OUStringLiteral1( aSuperscriptFigures[2] ) + " + 4 x "+ OUStringLiteral1(aMinusSign) +" 5" );
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checkCalculator( xValues, yValues, sExpectedFormula );
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}
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void Chart2TrendCalculators::testExponentialRegression1()
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{
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loadCalculatorFromSheet( SHEET_EXPONENTIAL1 );
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m_xRegressionCurveCalculator->setRegressionProperties( 0, false, 0, 0 );
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Sequence< double > xValues( 7 );
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Sequence< double > yValues( 7 );
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for (int i=0; i<7; i++)
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{
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const double d = static_cast<double>(i);
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xValues[i] = d;
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yValues[i] = 2.0 * exp ( 0.3 * d );
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}
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checkCalculator( xValues, yValues, "f(x) = 2 exp( 0.3 x )");
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}
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void Chart2TrendCalculators::testExponentialRegression2()
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{
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loadCalculatorFromSheet( SHEET_EXPONENTIAL2 );
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m_xRegressionCurveCalculator->setRegressionProperties( 0, false, 0, 0 );
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Sequence< double > xValues( 7 );
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Sequence< double > yValues( 7 );
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for (int i=0; i<7; i++)
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{
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const double d = static_cast<double>(i);
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xValues[i] = d;
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yValues[i] = -2.0 * exp ( 0.3 * d );
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}
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checkCalculator( xValues, yValues, "f(x) = "+ OUStringLiteral1(aMinusSign) + " 2 exp( 0.3 x )");
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}
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CPPUNIT_TEST_SUITE_REGISTRATION(Chart2TrendCalculators);
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CPPUNIT_PLUGIN_IMPLEMENT();
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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