Examples with ConstructionFailedException org.evosuite.ga.ConstructionFailedException used on opensource projects

Example 41 with ConstructionFailedException

use of org.evosuite.ga.ConstructionFailedException in project evosuite by EvoSuite.

the class TestFactory method insertRandomReflectionCall.

private boolean insertRandomReflectionCall(TestCase test, int position, int recursionDepth) throws ConstructionFailedException {
    logger.debug("Recursion depth: " + recursionDepth);
    if (recursionDepth > Properties.MAX_RECURSION) {
        logger.debug("Max recursion depth reached");
        throw new ConstructionFailedException("Max recursion depth reached");
    }
    int length = test.size();
    List<VariableReference> parameters = null;
    Statement st = null;
    if (reflectionFactory.nextUseField()) {
        Field field = reflectionFactory.nextField();
        parameters = satisfyParameters(test, null, // we need a reference to the SUT, and one to a variable of same type of chosen field
        Arrays.asList((Type) reflectionFactory.getReflectedClass(), (Type) field.getType()), null, position, recursionDepth + 1, true, false, true);
        try {
            st = new PrivateFieldStatement(test, reflectionFactory.getReflectedClass(), field.getName(), parameters.get(0), parameters.get(1));
        } catch (NoSuchFieldException e) {
            logger.error("Reflection problem: " + e, e);
            throw new ConstructionFailedException("Reflection problem");
        }
    } else {
        // method
        Method method = reflectionFactory.nextMethod();
        List<Type> list = new ArrayList<>();
        list.add(reflectionFactory.getReflectedClass());
        list.addAll(Arrays.asList(method.getGenericParameterTypes()));
        // Added 'null' as additional parameter - fix for @NotNull annotations issue on evo mailing list
        parameters = satisfyParameters(test, null, list, null, position, recursionDepth + 1, true, false, true);
        VariableReference callee = parameters.remove(0);
        st = new PrivateMethodStatement(test, reflectionFactory.getReflectedClass(), method, callee, parameters, Modifier.isStatic(method.getModifiers()));
    }
    int newLength = test.size();
    position += (newLength - length);
    test.addStatement(st, position);
    return true;
}

Example 42 with ConstructionFailedException

use of org.evosuite.ga.ConstructionFailedException in project evosuite by EvoSuite.

the class NullReferenceSearch method doSearch.

/* (non-Javadoc)
	 * @see org.evosuite.testcase.LocalSearch#doSearch(org.evosuite.testcase.TestChromosome, int, org.evosuite.ga.LocalSearchObjective)
	 */
@Override
public boolean doSearch(TestChromosome test, int statement, LocalSearchObjective<TestChromosome> objective) {
    NullStatement nullStatement = (NullStatement) test.getTestCase().getStatement(statement);
    TestCase newTest = test.getTestCase();
    TestCase oldTest = newTest.clone();
    ExecutionResult oldResult = test.getLastExecutionResult();
    // double oldFitness = test.getFitness();
    Map<FitnessFunction<?>, Double> oldFitnesses = test.getFitnessValues();
    Map<FitnessFunction<?>, Double> oldLastFitnesses = test.getPreviousFitnessValues();
    try {
        TestFactory.getInstance().attemptGeneration(newTest, nullStatement.getReturnType(), statement);
        if (!objective.hasImproved(test)) {
            test.setTestCase(oldTest);
            test.setLastExecutionResult(oldResult);
            // test.setFitness(oldFitness);
            test.setFitnessValues(oldFitnesses);
            test.setPreviousFitnessValues(oldLastFitnesses);
        } else {
            return true;
        }
    } catch (ConstructionFailedException e) {
    // If we can't construct it, then ignore
    }
    return false;
}

Example 43 with ConstructionFailedException

use of org.evosuite.ga.ConstructionFailedException in project evosuite by EvoSuite.

the class AllMethodsTestChromosomeFactory method getRandomTestCase.

/**
 * Create a random individual
 *
 * @param size
 */
private TestCase getRandomTestCase(int size) {
    boolean tracerEnabled = ExecutionTracer.isEnabled();
    if (tracerEnabled)
        ExecutionTracer.disable();
    TestCase test = getNewTestCase();
    int num = 0;
    // Choose a random length in 0 - size
    int length = Randomness.nextInt(size);
    while (length == 0) length = Randomness.nextInt(size);
    // Then add random stuff
    while (test.size() < length && num < Properties.MAX_ATTEMPTS) {
        if (remainingMethods.size() == 0) {
            reset();
        }
        GenericAccessibleObject<?> call = Randomness.choice(remainingMethods);
        attemptedMethods.add(call);
        remainingMethods.remove(call);
        try {
            TestFactory testFactory = TestFactory.getInstance();
            if (call.isMethod()) {
                testFactory.addMethod(test, (GenericMethod) call, test.size(), 0);
            } else if (call.isConstructor()) {
                testFactory.addConstructor(test, (GenericConstructor) call, test.size(), 0);
            } else {
                assert (false) : "Found test call that is neither method nor constructor";
            }
        } catch (ConstructionFailedException e) {
        }
        num++;
    }
    if (logger.isDebugEnabled())
        logger.debug("Randomized test case:" + test.toCode());
    if (tracerEnabled)
        ExecutionTracer.enable();
    return test;
}