Examples with ReferenceConstant org.evosuite.symbolic.expr.ref.ReferenceConstant used on opensource projects

Example 16 with ReferenceConstant

use of org.evosuite.symbolic.expr.ref.ReferenceConstant in project evosuite by EvoSuite.

the class SymbolicObserver method readArray.

private ReferenceExpressionPair readArray(ArrayIndex rhs, Scope scope) {
    ArrayReference arrayReference = rhs.getArray();
    ReferenceConstant symb_array = (ReferenceConstant) symb_references.get(arrayReference.getName());
    int conc_index = rhs.getArrayIndex();
    Class<?> componentClass = arrayReference.getComponentClass();
    try {
        Object conc_array = arrayReference.getObject(scope);
        if (componentClass.equals(int.class)) {
            int conc_value = Array.getInt(conc_array, conc_index);
            IntegerValue expr = env.heap.array_load(symb_array, conc_index, conc_value);
            ReferenceConstant newIntegerRef = newIntegerReference(conc_value, expr);
            return new ReferenceExpressionPair(newIntegerRef, expr);
        } else if (componentClass.equals(char.class)) {
            char conc_value = Array.getChar(conc_array, conc_index);
            IntegerValue expr = env.heap.array_load(symb_array, conc_index, conc_value);
            ReferenceConstant newCharacterRef = newCharacterReference(conc_value, expr);
            return new ReferenceExpressionPair(newCharacterRef, expr);
        } else if (componentClass.equals(boolean.class)) {
            boolean conc_value = Array.getBoolean(conc_array, conc_index);
            IntegerValue expr = env.heap.array_load(symb_array, conc_index, conc_value ? 1 : 0);
            ReferenceConstant newBooleanRef = newBooleanReference(conc_value, expr);
            return new ReferenceExpressionPair(newBooleanRef, expr);
        } else if (componentClass.equals(byte.class)) {
            byte conc_value = Array.getByte(conc_array, conc_index);
            IntegerValue expr = env.heap.array_load(symb_array, conc_index, conc_value);
            ReferenceConstant newByteRef = newByteReference(conc_value, expr);
            return new ReferenceExpressionPair(newByteRef, expr);
        } else if (componentClass.equals(short.class)) {
            short conc_value = Array.getShort(conc_array, conc_index);
            IntegerValue expr = env.heap.array_load(symb_array, conc_index, conc_value);
            ReferenceConstant newShortRef = newShortReference(conc_value, expr);
            return new ReferenceExpressionPair(newShortRef, expr);
        } else if (componentClass.equals(long.class)) {
            long conc_value = Array.getLong(conc_array, conc_index);
            IntegerValue expr = env.heap.array_load(symb_array, conc_index, conc_value);
            ReferenceConstant newLongRef = newLongReference(conc_value, expr);
            return new ReferenceExpressionPair(newLongRef, expr);
        } else if (componentClass.equals(float.class)) {
            float conc_value = Array.getFloat(conc_array, conc_index);
            RealValue expr = env.heap.array_load(symb_array, conc_index, conc_value);
            ReferenceConstant newFloatRef = newFloatReference(conc_value, expr);
            return new ReferenceExpressionPair(newFloatRef, expr);
        } else if (componentClass.equals(double.class)) {
            double conc_value = Array.getDouble(conc_array, conc_index);
            RealValue expr = env.heap.array_load(symb_array, conc_index, conc_value);
            ReferenceConstant newDoubleRef = newDoubleReference(conc_value, expr);
            return new ReferenceExpressionPair(newDoubleRef, expr);
        } else {
            Object conc_value = Array.get(conc_array, conc_index);
            if (conc_value instanceof String) {
                StringValue expr = env.heap.array_load(symb_array, conc_index, (String) conc_value);
                ReferenceConstant newStringRef = newStringReference((String) conc_value, expr);
                return new ReferenceExpressionPair(newStringRef, expr);
            } else {
                ReferenceExpression ref = env.heap.getReference(conc_value);
                if (conc_value != null && isWrapper(conc_value)) {
                    ReferenceConstant nonNullRef = (ReferenceConstant) ref;
                    Expression<?> expr = findOrCreate(conc_value, nonNullRef);
                    return new ReferenceExpressionPair(ref, expr);
                } else {
                    return new ReferenceExpressionPair(ref, null);
                }
            }
        }
    } catch (CodeUnderTestException e) {
        throw new RuntimeException(e);
    }
}

Example 17 with ReferenceConstant

use of org.evosuite.symbolic.expr.ref.ReferenceConstant in project evosuite by EvoSuite.

the class SymbolicObserver method after.

private void after(IntPrimitiveStatement statement, Scope scope) {
    int valueOf = statement.getValue();
    VariableReference varRef = statement.getReturnValue();
    String varRefName = varRef.getName();
    IntegerVariable integerVariable = buildIntegerVariable(varRefName, valueOf, Integer.MIN_VALUE, Integer.MAX_VALUE);
    symb_expressions.put(varRefName, integerVariable);
    Integer integer_instance;
    try {
        integer_instance = (Integer) varRef.getObject(scope);
    } catch (CodeUnderTestException e) {
        throw new EvosuiteError(e);
    }
    ReferenceConstant integerRef = newIntegerReference(integer_instance, integerVariable);
    symb_references.put(varRefName, integerRef);
}

Example 18 with ReferenceConstant

use of org.evosuite.symbolic.expr.ref.ReferenceConstant in project evosuite by EvoSuite.

the class SymbolicObserver method newByteReference.

private ReferenceConstant newByteReference(Byte conc_byte, IntegerValue symb_value) {
    ReferenceConstant byteRef = (ReferenceConstant) env.heap.getReference(conc_byte);
    env.heap.putField(Types.JAVA_LANG_BYTE, SymbolicHeap.$BYTE_VALUE, conc_byte, byteRef, symb_value);
    return byteRef;
}

Example 19 with ReferenceConstant

use of org.evosuite.symbolic.expr.ref.ReferenceConstant in project evosuite by EvoSuite.

the class SymbolicObserver method newBooleanReference.

private ReferenceConstant newBooleanReference(Boolean conc_boolean, IntegerValue symb_value) {
    ReferenceConstant booleanRef = (ReferenceConstant) env.heap.getReference(conc_boolean);
    env.heap.putField(Types.JAVA_LANG_BOOLEAN, SymbolicHeap.$BOOLEAN_VALUE, conc_boolean, booleanRef, symb_value);
    return booleanRef;
}

Example 20 with ReferenceConstant

use of org.evosuite.symbolic.expr.ref.ReferenceConstant in project evosuite by EvoSuite.

the class SymbolicObserver method after.

private void after(MethodStatement statement, Scope scope) {
    String owner = statement.getMethod().getDeclaringClass().getName().replace('.', '/');
    String name = statement.getMethod().getName();
    String desc = Type.getMethodDescriptor(statement.getMethod().getMethod());
    Type returnType = Type.getReturnType(statement.getMethod().getMethod());
    VariableReference varRef = statement.getReturnValue();
    String varName = varRef.getName();
    try {
        if (varRef.getType().equals(void.class)) {
            VM.CALL_RESULT(owner, name, desc);
        } else if (returnType.equals(Type.INT_TYPE)) {
            Integer res = (Integer) varRef.getObject(scope);
            VM.CALL_RESULT(res.intValue(), owner, name, desc);
            IntegerValue intExpr = env.topFrame().operandStack.popBv32();
            ReferenceConstant newIntegerRef = newIntegerReference(res, intExpr);
            symb_references.put(varName, newIntegerRef);
            symb_expressions.put(varName, intExpr);
        } else if (returnType.equals(Type.BOOLEAN_TYPE)) {
            Boolean res = (Boolean) varRef.getObject(scope);
            VM.CALL_RESULT(res.booleanValue(), owner, name, desc);
            IntegerValue intExpr = env.topFrame().operandStack.popBv32();
            ReferenceConstant newBooleanRef = newBooleanReference(res, intExpr);
            symb_references.put(varName, newBooleanRef);
            symb_expressions.put(varName, intExpr);
        } else if (returnType.equals(Type.DOUBLE_TYPE)) {
            Double res = (Double) varRef.getObject(scope);
            VM.CALL_RESULT(res.doubleValue(), owner, name, desc);
            RealValue realExpr = env.topFrame().operandStack.popFp64();
            ReferenceConstant newDoubleRef = newDoubleReference(res, realExpr);
            symb_references.put(varName, newDoubleRef);
            symb_expressions.put(varName, realExpr);
        } else if (returnType.equals(Type.FLOAT_TYPE)) {
            Float res = (Float) varRef.getObject(scope);
            VM.CALL_RESULT(res.floatValue(), owner, name, desc);
            RealValue realExpr = env.topFrame().operandStack.popFp32();
            ReferenceConstant newFloatRef = newFloatReference(res, realExpr);
            symb_references.put(varName, newFloatRef);
            symb_expressions.put(varName, realExpr);
        } else if (returnType.equals(Type.LONG_TYPE)) {
            Long res = (Long) varRef.getObject(scope);
            VM.CALL_RESULT(res.longValue(), owner, name, desc);
            IntegerValue intExpr = env.topFrame().operandStack.popBv64();
            ReferenceConstant newBooleanRef = newLongReference(res, intExpr);
            symb_references.put(varName, newBooleanRef);
            symb_expressions.put(varName, intExpr);
        } else if (returnType.equals(Type.SHORT_TYPE)) {
            Short res = (Short) varRef.getObject(scope);
            VM.CALL_RESULT(res.shortValue(), owner, name, desc);
            IntegerValue intExpr = env.topFrame().operandStack.popBv32();
            ReferenceConstant newShortRef = newShortReference(res, intExpr);
            symb_references.put(varName, newShortRef);
            symb_expressions.put(varName, intExpr);
        } else if (returnType.equals(Type.BYTE_TYPE)) {
            Byte res = (Byte) varRef.getObject(scope);
            VM.CALL_RESULT(res.byteValue(), owner, name, desc);
            IntegerValue intExpr = env.topFrame().operandStack.popBv32();
            ReferenceConstant newByteRef = newByteReference(res, intExpr);
            symb_references.put(varName, newByteRef);
            symb_expressions.put(varName, intExpr);
        } else if (returnType.equals(Type.CHAR_TYPE)) {
            Character res = (Character) varRef.getObject(scope);
            VM.CALL_RESULT(res.charValue(), owner, name, desc);
            IntegerValue intExpr = env.topFrame().operandStack.popBv32();
            ReferenceConstant newCharacterRef = newCharacterReference(res, intExpr);
            symb_references.put(varName, newCharacterRef);
            symb_expressions.put(varName, intExpr);
        } else {
            Object res = varRef.getObject(scope);
            VM.CALL_RESULT(res, owner, name, desc);
            ReferenceExpression ref = env.topFrame().operandStack.peekRef();
            if (res != null && res instanceof String) {
                String string = (String) res;
                ReferenceConstant newStringRef = (ReferenceConstant) env.heap.getReference(string);
                StringValue str_expr = env.heap.getField(Types.JAVA_LANG_STRING, SymbolicHeap.$STRING_VALUE, string, newStringRef, string);
                symb_references.put(varName, newStringRef);
                symb_expressions.put(varName, str_expr);
            } else {
                symb_references.put(varName, ref);
                if (res != null && isWrapper(res)) {
                    ReferenceConstant nonNullRef = (ReferenceConstant) ref;
                    Expression<?> expr = findOrCreate(res, nonNullRef);
                    symb_expressions.put(varName, expr);
                }
            }
        }
    } catch (CodeUnderTestException e) {
        throw new RuntimeException(e);
    }
    // dispose all other arguments
    env.topFrame().operandStack.clearOperands();
}