Examples with ArrayIndex org.evosuite.testcase.ArrayIndex used on opensource projects

Example 1 with ArrayIndex

use of org.evosuite.testcase.ArrayIndex in project evosuite by EvoSuite.

the class TestExtractingVisitor method retrieveVariableReference.

private VariableReference retrieveVariableReference(ArrayAccess arrayAccess) {
    Expression expr = arrayAccess.getArray();
    List<Integer> indices = new ArrayList<Integer>();
    // TODO This is a shortcut
    // we need a variable reference for the index value
    indices.add(getArrayIndex(arrayAccess.getIndex()));
    while (expr instanceof ArrayAccess) {
        ArrayAccess current = (ArrayAccess) expr;
        expr = current.getArray();
        indices.add(getArrayIndex(current.getIndex()));
    }
    Collections.reverse(indices);
    VariableReference varRef = retrieveVariableReference(expr, null);
    ArrayReference arrayReference = (ArrayReference) varRef;
    assert indices.size() == arrayReference.getArrayDimensions();
    ArrayIndex arrayIndex = new ArrayIndex(testCase.getReference(), arrayReference, indices);
    return arrayIndex;
}

Example 2 with ArrayIndex

use of org.evosuite.testcase.ArrayIndex in project evosuite by EvoSuite.

the class TestExtractingVisitor method convertParams.

private List<VariableReference> convertParams(List<?> params, List<?> argumentTypes) {
    List<VariableReference> result = new ArrayList<VariableReference>();
    if ((params.size() == 0) && (argumentTypes.size() == 0)) {
        return result;
    }
    if ((argumentTypes.size() > params.size()) && (argumentTypes.size() - 1 != params.size())) {
        throw new RuntimeException("Number of declared and actual params do not match!");
    }
    int limit = argumentTypes.size();
    Class<?> lastDeclaredParamType = retrieveTypeClass(argumentTypes.get(argumentTypes.size() - 1));
    if (lastDeclaredParamType.isArray()) {
        limit = argumentTypes.size() - 1;
    }
    for (int idx = 0; idx < limit; idx++) {
        if (idx >= params.size()) {
            break;
        }
        Object argument = params.get(idx);
        if ((argument instanceof MethodInvocation) || (argument instanceof ClassInstanceCreation)) {
            assert !nestedCallResults.isEmpty();
            result.add(nestedCallResults.pop());
            continue;
        }
        Class<?> argClass = retrieveTypeClass(argumentTypes.get(idx));
        VariableReference argRef = retrieveVariableReference(argument, argClass);
        argRef.setOriginalCode(argument.toString());
        result.add(argRef);
    }
    if (limit == argumentTypes.size()) {
        return result;
    }
    assert lastDeclaredParamType.isArray();
    if (argumentTypes.size() == params.size()) {
        Object lastParam = params.get(params.size() - 1);
        Class<?> lastActualParamType = retrieveTypeClass(lastParam);
        if (lastParam instanceof MethodInvocation) {
            assert !nestedCallResults.isEmpty();
            lastActualParamType = nestedCallResults.peek().getVariableClass();
        }
        if (lastActualParamType.isArray()) {
            if ((lastParam instanceof MethodInvocation) || (lastParam instanceof ClassInstanceCreation)) {
                assert !nestedCallResults.isEmpty();
                result.add(nestedCallResults.pop());
            } else {
                result.add(retrieveVariableReference(lastParam, null));
            }
            return result;
        }
    }
    ArrayReference arrayReference = new ValidArrayReference(testCase.getReference(), lastDeclaredParamType);
    arrayReference.setOriginalCode(params.toString());
    ArrayStatement arrayStatement = new ArrayStatement(testCase.getReference(), arrayReference);
    testCase.addStatement(arrayStatement);
    result.add(arrayStatement.getReturnValue());
    arrayStatement.setSize(params.size() - (argumentTypes.size() - 1));
    int arrayIdx = 0;
    for (int idx = argumentTypes.size() - 1; idx < params.size(); idx++) {
        ArrayIndex arrayIndex = new ArrayIndex(testCase.getReference(), arrayReference, arrayIdx);
        Object param = params.get(idx);
        VariableReference paramRef = null;
        if ((param instanceof MethodInvocation) || (param instanceof ClassInstanceCreation)) {
            assert !nestedCallResults.isEmpty();
            paramRef = nestedCallResults.pop();
        } else {
            paramRef = retrieveVariableReference(param, lastDeclaredParamType.getComponentType());
        }
        paramRef.setOriginalCode(param.toString());
        AssignmentStatement assignment = new AssignmentStatement(testCase.getReference(), arrayIndex, paramRef);
        testCase.addStatement(assignment);
        arrayIdx++;
    }
    return result;
}

Example 3 with ArrayIndex

use of org.evosuite.testcase.ArrayIndex in project evosuite by EvoSuite.

the class TestExtractingVisitor method endVisit.

/**
 * {@inheritDoc}
 */
@Override
public void endVisit(Assignment assignment) {
    if ((assignment.getRightHandSide() instanceof MethodInvocation) || (assignment.getRightHandSide() instanceof ClassInstanceCreation)) {
        // treated in respective endVisit methods
        return;
    }
    VariableReference varRef = retrieveVariableReference(assignment.getLeftHandSide(), null);
    varRef.setOriginalCode(assignment.getLeftHandSide().toString());
    VariableReference newAssignment = retrieveVariableReference(assignment.getRightHandSide(), null);
    newAssignment.setOriginalCode(assignment.getRightHandSide().toString());
    if (varRef instanceof ArrayIndex) {
        AssignmentStatement assignmentStatement = new AssignmentStatement(testCase.getReference(), varRef, newAssignment);
        testCase.addStatement(assignmentStatement);
        return;
    }
    testCase.variableAssignment(varRef, newAssignment);
}

Example 4 with ArrayIndex

use of org.evosuite.testcase.ArrayIndex in project evosuite by EvoSuite.

the class TestExtractingVisitor method visit.

/**
 * {@inheritDoc}
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public boolean visit(VariableDeclarationStatement variableDeclStmt) {
    Class<?> varType = retrieveTypeClass(variableDeclStmt.getType());
    if (varType.isPrimitive() || PRIMITIVE_CLASSES.contains(varType)) {
        // Can only happen to primitive types and String,
        // otherwise it is a constructor call which is handled elsewhere
        logger.debug("Variable has not been treated elsewhere...");
        VariableDeclarationFragment varDeclFrgmnt = (VariableDeclarationFragment) variableDeclStmt.fragments().get(0);
        Expression expression = varDeclFrgmnt.getInitializer();
        VariableReference varRef = retrieveVariableReference(expression, null);
        varRef.setOriginalCode(variableDeclStmt.toString());
        // TODO Use the name here as well?
        // String name = varDeclFrgmt.getName().getIdentifier();
        // new BoundVariableReferenceImpl(testCase, varType, name);
        testCase.addVariable(varDeclFrgmnt.resolveBinding(), varRef);
        return true;
    }
    if (varType.isArray()) {
        // if (varType.getComponentType().isPrimitive() ||
        // varType.getComponentType().equals(String.class)) {
        // ... or to primitive and string arrays
        VariableDeclarationFragment varDeclFrgmnt = (VariableDeclarationFragment) variableDeclStmt.fragments().get(0);
        Expression expression = varDeclFrgmnt.getInitializer();
        if (expression instanceof ArrayInitializer) {
            ArrayReference arrayReference = new ValidArrayReference(testCase.getReference(), varType);
            ArrayStatement arrayStatement = new ArrayStatement(testCase.getReference(), arrayReference);
            arrayReference.setOriginalCode(variableDeclStmt.toString());
            testCase.addStatement(arrayStatement);
            testCase.addVariable(varDeclFrgmnt.resolveBinding(), arrayReference);
            ArrayInitializer arrayInitializer = (ArrayInitializer) expression;
            for (int idx = 0; idx < arrayInitializer.expressions().size(); idx++) {
                Expression expr = (Expression) arrayInitializer.expressions().get(idx);
                VariableReference valueRef;
                if (expr instanceof NumberLiteral) {
                    valueRef = retrieveVariableReference((NumberLiteral) expr, varType.getComponentType());
                } else if (expr instanceof PrefixExpression) {
                    valueRef = retrieveVariableReference((PrefixExpression) expr, varType.getComponentType());
                } else {
                    valueRef = retrieveVariableReference(expr, null);
                }
                valueRef.setOriginalCode(expr.toString());
                VariableReference arrayElementRef = new ArrayIndex(testCase.getReference(), arrayReference, idx);
                arrayElementRef.setOriginalCode(expr.toString());
                arrayStatement.getVariableReferences().add(arrayElementRef);
                AssignmentStatement arrayAssignment = new AssignmentStatement(testCase.getReference(), arrayElementRef, valueRef);
                testCase.addStatement(arrayAssignment);
            }
            // }
            return true;
        }
        if (expression instanceof ArrayCreation) {
            ArrayCreation arrayCreation = ((ArrayCreation) expression);
            List paramTypes = new ArrayList();
            for (int idx = 0; idx < arrayCreation.dimensions().size(); idx++) {
                paramTypes.add(int.class);
            }
            List<VariableReference> lengthsVarRefs = convertParams(arrayCreation.dimensions(), paramTypes);
            ArrayReference arrayReference = new ValidArrayReference(testCase.getReference(), varType);
            arrayReference.setOriginalCode(variableDeclStmt.toString());
            ArrayStatement arrayStatement = new ArrayStatement(testCase.getReference(), arrayReference);
            arrayStatement.setLengths(getLengths(variableDeclStmt, lengthsVarRefs));
            testCase.addVariable(varDeclFrgmnt.resolveBinding(), arrayStatement.getReturnValue());
            testCase.addStatement(arrayStatement);
        }
    }
    return true;
}