Package de.mh4j.solver.termination

Examples of de.mh4j.solver.termination.TerminationCondition

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    @Test
    @SuppressWarnings("unchecked")
    public void testShouldTerminate() {
        int maxStepCount = 100;
        Solver<Object> solver = mock(Solver.class);
        TerminationCondition terminator = new StepCountTermination(solver, maxStepCount);

        when(solver.getNumberOfSteps()).thenReturn(0);
        assert terminator.shouldTerminate() == false;

        when(solver.getNumberOfSteps()).thenReturn(99);
        assert terminator.shouldTerminate() == false;

        when(solver.getNumberOfSteps()).thenReturn(100);
        assert terminator.shouldTerminate() == true;

        when(solver.getNumberOfSteps()).thenReturn(1000);
        assert terminator.shouldTerminate() == true;
    }
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    @Test
    public void testSolverRun() {
        AbstractSolver<Object> solver = spy(new AbstractSolverMock());

        TerminationCondition terminationCondition = mock(TerminationCondition.class);
        when(terminationCondition.shouldTerminate()).thenReturn(true);
        solver.addTerminationCondition(terminationCondition);

        @SuppressWarnings("unchecked")
        SolverStateListener<Object> stateListener = mock(SolverStateListener.class);
        solver.addStateListener(stateListener);
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    @SuppressWarnings({ "rawtypes", "unchecked" })
    public void testShouldTerminate() {
        int maxNrOfStagnatingSteps = 50;
        Solver solver = mock(Solver.class);
        when(solver.getCurrentSolution()).thenReturn(mock(Solution.class));
        TerminationCondition terminator = new StagnationTermination(solver, maxNrOfStagnatingSteps);

        assert terminator.shouldTerminate() == false;

        for (int i = 0; i < maxNrOfStagnatingSteps - 1; i++) {
            assert terminator.shouldTerminate() == false;
        }

        assert terminator.shouldTerminate() == true : "Terminator should terminate now because we asked it "
                + maxNrOfStagnatingSteps
                + " if we should terminate without any improvement in the associated solver";
    }
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Related Classes of de.mh4j.solver.termination.TerminationCondition

  • de.mh4j.solver.AbstractSolverTest
  • de.mh4j.solver.StagnationTerminationTest
  • de.mh4j.solver.StepCountTerminationTest
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