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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /sccomp/qa
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sccomp/qa')
-rw-r--r--sccomp/qa/unit/SwarmSolverTest.cxx386
-rw-r--r--sccomp/qa/unit/data/MultiVariable.odsbin0 -> 7754 bytes
-rw-r--r--sccomp/qa/unit/data/Simple.odsbin0 -> 21518 bytes
-rw-r--r--sccomp/qa/unit/data/TwoVariables.odsbin0 -> 7449 bytes
-rw-r--r--sccomp/qa/unit/solver.cxx124
5 files changed, 510 insertions, 0 deletions
diff --git a/sccomp/qa/unit/SwarmSolverTest.cxx b/sccomp/qa/unit/SwarmSolverTest.cxx
new file mode 100644
index 000000000..a92eb0b65
--- /dev/null
+++ b/sccomp/qa/unit/SwarmSolverTest.cxx
@@ -0,0 +1,386 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/sheet/XSolver.hpp>
+#include <com/sun/star/sheet/XSpreadsheetDocument.hpp>
+#include <com/sun/star/sheet/XSpreadsheet.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+
+#include <test/calc_unoapi_test.hxx>
+
+using namespace css;
+
+namespace
+{
+class SwarmSolverTest : public CalcUnoApiTest
+{
+ uno::Reference<lang::XComponent> mxComponent;
+ void testUnconstrained();
+ void testVariableBounded();
+ void testVariableConstrained();
+ void testTwoVariables();
+ void testMultipleVariables();
+
+public:
+ SwarmSolverTest()
+ : CalcUnoApiTest("sccomp/qa/unit/data")
+ {
+ }
+
+ virtual void tearDown() override;
+
+ CPPUNIT_TEST_SUITE(SwarmSolverTest);
+ CPPUNIT_TEST(testUnconstrained);
+ CPPUNIT_TEST(testVariableBounded);
+ CPPUNIT_TEST(testVariableConstrained);
+ CPPUNIT_TEST(testMultipleVariables);
+ CPPUNIT_TEST(testTwoVariables);
+ CPPUNIT_TEST_SUITE_END();
+};
+
+void SwarmSolverTest::tearDown()
+{
+ if (mxComponent.is())
+ closeDocument(mxComponent);
+}
+
+void SwarmSolverTest::testUnconstrained()
+{
+ CPPUNIT_ASSERT(!mxComponent.is());
+
+ OUString aFileURL;
+ createFileURL("Simple.ods", aFileURL);
+ mxComponent = loadFromDesktop(aFileURL);
+
+ CPPUNIT_ASSERT_MESSAGE("Component not loaded", mxComponent.is());
+
+ uno::Reference<sheet::XSpreadsheetDocument> xDocument(mxComponent, uno::UNO_QUERY_THROW);
+ uno::Reference<container::XIndexAccess> xIndex(xDocument->getSheets(), uno::UNO_QUERY_THROW);
+ uno::Reference<sheet::XSpreadsheet> xSheet(xIndex->getByIndex(0), uno::UNO_QUERY_THROW);
+
+ uno::Reference<sheet::XSolver> xSolver;
+ const OUString sSolverName("com.sun.star.comp.Calc.SwarmSolver");
+
+ xSolver.set(m_xContext->getServiceManager()->createInstanceWithContext(sSolverName, m_xContext),
+ uno::UNO_QUERY_THROW);
+
+ table::CellAddress aObjective(0, 1, 1);
+
+ // "changing cells" - unknown variables
+ uno::Sequence<table::CellAddress> aVariables(1);
+ aVariables[0] = table::CellAddress(0, 1, 0);
+
+ // constraints
+ uno::Sequence<sheet::SolverConstraint> aConstraints;
+
+ // initialize solver
+ xSolver->setDocument(xDocument);
+ xSolver->setObjective(aObjective);
+ xSolver->setVariables(aVariables);
+ xSolver->setConstraints(aConstraints);
+ xSolver->setMaximize(false);
+
+ // test results
+ xSolver->solve();
+ CPPUNIT_ASSERT(xSolver->getSuccess());
+ uno::Sequence<double> aSolution = xSolver->getSolution();
+
+ CPPUNIT_ASSERT_EQUAL(aVariables.getLength(), aSolution.getLength());
+ // It happens that the unconstrained test does not find a solution in the
+ // timeframe or number of generations it has available as the search space is
+ // too big and the values might not converge to solution. So for now just run
+ // the test so we know for sure the algorithm is guaranteed to finish
+ // and doesn't cause any seg faults.
+ //CPPUNIT_ASSERT_DOUBLES_EQUAL(3.0, aSolution[0], .9);
+}
+
+void SwarmSolverTest::testVariableBounded()
+{
+ CPPUNIT_ASSERT(!mxComponent.is());
+
+ OUString aFileURL;
+ createFileURL("Simple.ods", aFileURL);
+ mxComponent = loadFromDesktop(aFileURL);
+
+ CPPUNIT_ASSERT_MESSAGE("Component not loaded", mxComponent.is());
+
+ uno::Reference<sheet::XSpreadsheetDocument> xDocument(mxComponent, uno::UNO_QUERY_THROW);
+ uno::Reference<container::XIndexAccess> xIndex(xDocument->getSheets(), uno::UNO_QUERY_THROW);
+ uno::Reference<sheet::XSpreadsheet> xSheet(xIndex->getByIndex(0), uno::UNO_QUERY_THROW);
+
+ uno::Reference<sheet::XSolver> xSolver;
+ const OUString sSolverName("com.sun.star.comp.Calc.SwarmSolver");
+
+ xSolver.set(m_xContext->getServiceManager()->createInstanceWithContext(sSolverName, m_xContext),
+ uno::UNO_QUERY_THROW);
+
+ table::CellAddress aObjective(0, 1, 1);
+
+ // "changing cells" - unknown variables
+ uno::Sequence<table::CellAddress> aVariables(1);
+ aVariables[0] = table::CellAddress(0, 1, 0);
+
+ // constraints
+ uno::Sequence<sheet::SolverConstraint> aConstraints(2);
+ aConstraints[0].Left = table::CellAddress(0, 1, 0);
+ aConstraints[0].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[0].Right <<= 100.0;
+
+ aConstraints[1].Left = table::CellAddress(0, 1, 0);
+ aConstraints[1].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[1].Right <<= -100.0;
+
+ // initialize solver
+ xSolver->setDocument(xDocument);
+ xSolver->setObjective(aObjective);
+ xSolver->setVariables(aVariables);
+ xSolver->setConstraints(aConstraints);
+ xSolver->setMaximize(false);
+
+ // test results
+ xSolver->solve();
+ CPPUNIT_ASSERT(xSolver->getSuccess());
+ uno::Sequence<double> aSolution = xSolver->getSolution();
+
+ CPPUNIT_ASSERT_EQUAL(aVariables.getLength(), aSolution.getLength());
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(3.0, aSolution[0], 1E-5);
+}
+
+void SwarmSolverTest::testVariableConstrained()
+{
+ CPPUNIT_ASSERT(!mxComponent.is());
+
+ OUString aFileURL;
+ createFileURL("Simple.ods", aFileURL);
+ mxComponent = loadFromDesktop(aFileURL);
+
+ CPPUNIT_ASSERT_MESSAGE("Component not loaded", mxComponent.is());
+
+ uno::Reference<sheet::XSpreadsheetDocument> xDocument(mxComponent, uno::UNO_QUERY_THROW);
+ uno::Reference<container::XIndexAccess> xIndex(xDocument->getSheets(), uno::UNO_QUERY_THROW);
+ uno::Reference<sheet::XSpreadsheet> xSheet(xIndex->getByIndex(0), uno::UNO_QUERY_THROW);
+
+ uno::Reference<sheet::XSolver> xSolver;
+ const OUString sSolverName("com.sun.star.comp.Calc.SwarmSolver");
+
+ xSolver.set(m_xContext->getServiceManager()->createInstanceWithContext(sSolverName, m_xContext),
+ uno::UNO_QUERY_THROW);
+
+ table::CellAddress aObjective(0, 1, 1);
+
+ // "changing cells" - unknown variables
+ uno::Sequence<table::CellAddress> aVariables(1);
+ aVariables[0] = table::CellAddress(0, 1, 0);
+
+ // constraints
+ uno::Sequence<sheet::SolverConstraint> aConstraints(3);
+ aConstraints[0].Left = table::CellAddress(0, 1, 0);
+ aConstraints[0].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[0].Right <<= -50000.0;
+
+ aConstraints[1].Left = table::CellAddress(0, 1, 0);
+ aConstraints[1].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[1].Right <<= 0.0;
+
+ aConstraints[2].Left = table::CellAddress(0, 1, 1);
+ aConstraints[2].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[2].Right <<= 10.0;
+
+ // initialize solver
+ xSolver->setDocument(xDocument);
+ xSolver->setObjective(aObjective);
+ xSolver->setVariables(aVariables);
+ xSolver->setConstraints(aConstraints);
+ xSolver->setMaximize(false);
+
+ // test results
+ xSolver->solve();
+ CPPUNIT_ASSERT(xSolver->getSuccess());
+ uno::Sequence<double> aSolution = xSolver->getSolution();
+
+ CPPUNIT_ASSERT_EQUAL(aVariables.getLength(), aSolution.getLength());
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(-0.741657, aSolution[0], 1E-5);
+}
+
+void SwarmSolverTest::testTwoVariables()
+{
+ CPPUNIT_ASSERT(!mxComponent.is());
+
+ OUString aFileURL;
+ createFileURL("TwoVariables.ods", aFileURL);
+ mxComponent = loadFromDesktop(aFileURL);
+
+ CPPUNIT_ASSERT_MESSAGE("Component not loaded", mxComponent.is());
+
+ uno::Reference<sheet::XSpreadsheetDocument> xDocument(mxComponent, uno::UNO_QUERY_THROW);
+ uno::Reference<container::XIndexAccess> xIndex(xDocument->getSheets(), uno::UNO_QUERY_THROW);
+ uno::Reference<sheet::XSpreadsheet> xSheet(xIndex->getByIndex(0), uno::UNO_QUERY_THROW);
+
+ uno::Reference<sheet::XSolver> xSolver;
+ const OUString sSolverName("com.sun.star.comp.Calc.SwarmSolver");
+
+ xSolver.set(m_xContext->getServiceManager()->createInstanceWithContext(sSolverName, m_xContext),
+ uno::UNO_QUERY_THROW);
+
+ table::CellAddress aObjective(0, 1, 5);
+
+ // "changing cells" - unknown variables
+ uno::Sequence<table::CellAddress> aVariables(2);
+ aVariables[0] = table::CellAddress(0, 1, 2);
+ aVariables[1] = table::CellAddress(0, 1, 3);
+
+ // constraints
+ uno::Sequence<sheet::SolverConstraint> aConstraints(4);
+
+ aConstraints[0].Left = table::CellAddress(0, 1, 2);
+ aConstraints[0].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[0].Right <<= -100.0;
+
+ aConstraints[1].Left = table::CellAddress(0, 1, 3);
+ aConstraints[1].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[1].Right <<= -100.0;
+
+ aConstraints[2].Left = table::CellAddress(0, 1, 2);
+ aConstraints[2].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[2].Right <<= 100.0;
+
+ aConstraints[3].Left = table::CellAddress(0, 1, 3);
+ aConstraints[3].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[3].Right <<= 100.0;
+
+ // initialize solver
+ xSolver->setDocument(xDocument);
+ xSolver->setObjective(aObjective);
+ xSolver->setVariables(aVariables);
+ xSolver->setConstraints(aConstraints);
+ xSolver->setMaximize(true);
+
+ // test results
+ xSolver->solve();
+ CPPUNIT_ASSERT(xSolver->getSuccess());
+ uno::Sequence<double> aSolution = xSolver->getSolution();
+
+ CPPUNIT_ASSERT_EQUAL(aVariables.getLength(), aSolution.getLength());
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(0.666667, aSolution[0], 1E-5);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(-1.666667, aSolution[1], 1E-5);
+}
+
+void SwarmSolverTest::testMultipleVariables()
+{
+ CPPUNIT_ASSERT(!mxComponent.is());
+
+ OUString aFileURL;
+ createFileURL("MultiVariable.ods", aFileURL);
+ mxComponent = loadFromDesktop(aFileURL);
+
+ CPPUNIT_ASSERT_MESSAGE("Component not loaded", mxComponent.is());
+
+ uno::Reference<sheet::XSpreadsheetDocument> xDocument(mxComponent, uno::UNO_QUERY_THROW);
+ uno::Reference<container::XIndexAccess> xIndex(xDocument->getSheets(), uno::UNO_QUERY_THROW);
+ uno::Reference<sheet::XSpreadsheet> xSheet(xIndex->getByIndex(0), uno::UNO_QUERY_THROW);
+
+ uno::Reference<sheet::XSolver> xSolver;
+ const OUString sSolverName("com.sun.star.comp.Calc.SwarmSolver");
+
+ xSolver.set(m_xContext->getServiceManager()->createInstanceWithContext(sSolverName, m_xContext),
+ uno::UNO_QUERY_THROW);
+
+ uno::Reference<beans::XPropertySet> xPropSet(xSolver, uno::UNO_QUERY_THROW);
+ xPropSet->setPropertyValue("Integer", uno::makeAny(true));
+
+ table::CellAddress aObjective(0, 5, 7);
+
+ // "changing cells" - unknown variables
+ uno::Sequence<table::CellAddress> aVariables(4);
+ aVariables[0] = table::CellAddress(0, 6, 1);
+ aVariables[1] = table::CellAddress(0, 6, 2);
+ aVariables[2] = table::CellAddress(0, 6, 3);
+ aVariables[3] = table::CellAddress(0, 6, 4);
+
+ // constraints
+ uno::Sequence<sheet::SolverConstraint> aConstraints(12);
+
+ aConstraints[0].Left = table::CellAddress(0, 1, 5);
+ aConstraints[0].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[0].Right <<= table::CellAddress(0, 1, 6);
+
+ aConstraints[1].Left = table::CellAddress(0, 2, 5);
+ aConstraints[1].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[1].Right <<= table::CellAddress(0, 2, 6);
+
+ aConstraints[2].Left = table::CellAddress(0, 3, 5);
+ aConstraints[2].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[2].Right <<= table::CellAddress(0, 3, 6);
+
+ aConstraints[3].Left = table::CellAddress(0, 4, 5);
+ aConstraints[3].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[3].Right <<= table::CellAddress(0, 4, 6);
+
+ aConstraints[4].Left = table::CellAddress(0, 6, 1);
+ aConstraints[4].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[4].Right <<= 0.0;
+
+ aConstraints[5].Left = table::CellAddress(0, 6, 2);
+ aConstraints[5].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[5].Right <<= 0.0;
+
+ aConstraints[6].Left = table::CellAddress(0, 6, 3);
+ aConstraints[6].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[6].Right <<= 0.0;
+
+ aConstraints[7].Left = table::CellAddress(0, 6, 4);
+ aConstraints[7].Operator = sheet::SolverConstraintOperator_GREATER_EQUAL;
+ aConstraints[7].Right <<= 0.0;
+
+ aConstraints[8].Left = table::CellAddress(0, 6, 1);
+ aConstraints[8].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[8].Right <<= 10000.0;
+
+ aConstraints[9].Left = table::CellAddress(0, 6, 2);
+ aConstraints[9].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[9].Right <<= 10000.0;
+
+ aConstraints[10].Left = table::CellAddress(0, 6, 3);
+ aConstraints[10].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[10].Right <<= 10000.0;
+
+ aConstraints[11].Left = table::CellAddress(0, 6, 4);
+ aConstraints[11].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[11].Right <<= 10000.0;
+
+ // initialize solver
+ xSolver->setDocument(xDocument);
+ xSolver->setObjective(aObjective);
+ xSolver->setVariables(aVariables);
+ xSolver->setConstraints(aConstraints);
+ xSolver->setMaximize(false);
+
+ // test results
+ xSolver->solve();
+ CPPUNIT_ASSERT(xSolver->getSuccess());
+ uno::Sequence<double> aSolution = xSolver->getSolution();
+
+ CPPUNIT_ASSERT_EQUAL(aVariables.getLength(), aSolution.getLength());
+#if 0
+ // Disable for now, needs algorithm stability improvements
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(0.0, aSolution[0], 1E-5);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(3.0, aSolution[1], 1E-5);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(1.0, aSolution[2], 1E-5);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(0.0, aSolution[3], 1E-5);
+#endif
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(SwarmSolverTest);
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sccomp/qa/unit/data/MultiVariable.ods b/sccomp/qa/unit/data/MultiVariable.ods
new file mode 100644
index 000000000..1e9db736a
--- /dev/null
+++ b/sccomp/qa/unit/data/MultiVariable.ods
Binary files differ
diff --git a/sccomp/qa/unit/data/Simple.ods b/sccomp/qa/unit/data/Simple.ods
new file mode 100644
index 000000000..2ac8224c0
--- /dev/null
+++ b/sccomp/qa/unit/data/Simple.ods
Binary files differ
diff --git a/sccomp/qa/unit/data/TwoVariables.ods b/sccomp/qa/unit/data/TwoVariables.ods
new file mode 100644
index 000000000..c27e362e0
--- /dev/null
+++ b/sccomp/qa/unit/data/TwoVariables.ods
Binary files differ
diff --git a/sccomp/qa/unit/solver.cxx b/sccomp/qa/unit/solver.cxx
new file mode 100644
index 000000000..9355733c3
--- /dev/null
+++ b/sccomp/qa/unit/solver.cxx
@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/sheet/XSolver.hpp>
+#include <com/sun/star/sheet/XSolverDescription.hpp>
+#include <test/bootstrapfixture.hxx>
+
+using namespace css;
+
+namespace {
+
+class LpSolverTest: public test::BootstrapFixture
+{
+ uno::Reference<sheet::XSpreadsheetDocument> m_xDocument;
+
+#ifdef ENABLE_LPSOLVE
+ void testLpSolver();
+#endif
+#ifdef ENABLE_COINMP
+ void testCoinMPSolver();
+#endif
+
+#if defined(ENABLE_LPSOLVE) || defined(ENABLE_COINMP)
+ void testSolver(OUString const & rName);
+#endif
+
+public:
+ virtual void setUp() override;
+ virtual void tearDown() override;
+
+ CPPUNIT_TEST_SUITE(LpSolverTest);
+#ifdef ENABLE_LPSOLVE
+ CPPUNIT_TEST(testLpSolver);
+#endif
+#ifdef ENABLE_COINMP
+ CPPUNIT_TEST(testCoinMPSolver);
+#endif
+ CPPUNIT_TEST_SUITE_END();
+};
+
+void LpSolverTest::setUp()
+{
+ test::BootstrapFixture::setUp();
+ uno::Reference<frame::XDesktop2> xComponentLoader = frame::Desktop::create(m_xContext);
+ uno::Reference<lang::XComponent> xComponent(xComponentLoader->loadComponentFromURL(
+ "private:factory/scalc", "_blank", 0,
+ uno::Sequence < css::beans::PropertyValue >()));
+ m_xDocument.set(xComponent, uno::UNO_QUERY_THROW);
+}
+
+void LpSolverTest::tearDown()
+{
+ uno::Reference<lang::XComponent>(m_xDocument, uno::UNO_QUERY_THROW)->dispose();
+ test::BootstrapFixture::tearDown();
+}
+
+#ifdef ENABLE_LPSOLVE
+void LpSolverTest::testLpSolver()
+{
+ testSolver("com.sun.star.comp.Calc.LpsolveSolver");
+}
+#endif
+
+#ifdef ENABLE_COINMP
+void LpSolverTest::testCoinMPSolver()
+{
+ testSolver("com.sun.star.comp.Calc.CoinMPSolver");
+}
+#endif
+
+#if defined(ENABLE_LPSOLVE) || defined(ENABLE_COINMP)
+void LpSolverTest::testSolver(OUString const & rName)
+{
+ uno::Reference<sheet::XSolver> xSolver(m_xContext->getServiceManager()->
+ createInstanceWithContext(rName, m_xContext), uno::UNO_QUERY_THROW);
+
+ table::CellAddress aObjective(0, 0, 0);
+
+ // "changing cells" - unknown variables
+ uno::Sequence<table::CellAddress> aVariables(1);
+ aVariables[0] = table::CellAddress(0, 0, 0);
+
+ // constraints
+ uno::Sequence<sheet::SolverConstraint> aConstraints(1);
+ aConstraints[0].Left = table::CellAddress(0, 0, 0);
+ aConstraints[0].Operator = sheet::SolverConstraintOperator_LESS_EQUAL;
+ aConstraints[0].Right <<= 5.0;
+
+ // initialize solver
+ xSolver->setDocument( m_xDocument );
+ xSolver->setObjective( aObjective );
+ xSolver->setVariables( aVariables );
+ xSolver->setConstraints( aConstraints );
+ xSolver->setMaximize( true );
+
+ // test results
+ xSolver->solve();
+ CPPUNIT_ASSERT(xSolver->getSuccess());
+ uno::Sequence<double> aSolution = xSolver->getSolution();
+ CPPUNIT_ASSERT_EQUAL(aSolution.getLength(), aVariables.getLength());
+ CPPUNIT_ASSERT_EQUAL(aSolution[0], 5.0);
+
+ uno::Reference<sheet::XSolverDescription> xDesc(xSolver, uno::UNO_QUERY_THROW);
+ const OString sMessage("Empty description for " + OUStringToOString(rName, RTL_TEXTENCODING_UTF8));
+ CPPUNIT_ASSERT_MESSAGE(sMessage.getStr(), !xDesc->getComponentDescription().isEmpty());
+}
+#endif
+
+CPPUNIT_TEST_SUITE_REGISTRATION(LpSolverTest);
+
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */