Examples with VT_BSTR com.sun.jna.platform.win32.Variant.VT_BSTR used on opensource projects

Example 1 with VT_BSTR

use of com.sun.jna.platform.win32.Variant.VT_BSTR in project jna by java-native-access.

the class OaIdlUtil method toPrimitiveArray.

/**
     * Read SAFEARRAY into a java array. Not all VARTYPEs are supported!
     *
     * <p>
     * Supported types:</p>
     * <ul>
     * <li>VT_BOOL</li>
     * <li>VT_UI1</li>
     * <li>VT_I1</li>
     * <li>VT_UI2</li>
     * <li>VT_I2</li>
     * <li>VT_UI4</li>
     * <li>VT_UINT</li>
     * <li>VT_I4</li>
     * <li>VT_INT</li>
     * <li>VT_ERROR</li>
     * <li>VT_R4</li>
     * <li>VT_R8</li>
     * <li>VT_DATE</li>
     * <li>VT_BSTR</li>
     * <li>VT_VARIANT (Onle the following VARTYPES):
     * <ul>
     * <li>VT_EMPTY (converted to NULL)</li>
     * <li>VT_NULL</li>
     * <li>VT_BOOL</li>
     * <li>VT_UI1</li>
     * <li>VT_I1</li>
     * <li>VT_UI2</li>
     * <li>VT_I2</li>
     * <li>VT_UI4</li>
     * <li>VT_UINT</li>
     * <li>VT_I4</li>
     * <li>VT_INT</li>
     * <li>VT_ERROR</li>
     * <li>VT_R4</li>
     * <li>VT_R8</li>
     * <li>VT_DATE</li>
     * <li>VT_BSTR</li>
     * </ul>
     * </li>
     * </ul>
     *
     * @param sa SAFEARRAY to convert
     * @param destruct if true the supplied SAFEARRAY is destroyed, there must
     * not be additional locks on the array!
     * @return Java array corresponding to the given SAFEARRAY
     */
public static Object toPrimitiveArray(SAFEARRAY sa, boolean destruct) {
    Pointer dataPointer = sa.accessData();
    try {
        int dimensions = sa.getDimensionCount();
        int[] minIdx = new int[dimensions];
        int[] maxIdx = new int[dimensions];
        int[] elements = new int[dimensions];
        int[] cumElements = new int[dimensions];
        int varType = sa.getVarType().intValue();
        for (int i = 0; i < dimensions; i++) {
            minIdx[i] = sa.getLBound(i);
            maxIdx[i] = sa.getUBound(i);
            elements[i] = maxIdx[i] - minIdx[i] + 1;
        }
        for (int i = dimensions - 1; i >= 0; i--) {
            if (i == (dimensions - 1)) {
                cumElements[i] = 1;
            } else {
                cumElements[i] = cumElements[i + 1] * elements[i + 1];
            }
        }
        if (dimensions == 0) {
            throw new IllegalArgumentException("Supplied Array has no dimensions.");
        }
        int elementCount = cumElements[0] * elements[0];
        Object sourceArray;
        switch(varType) {
            case VT_UI1:
            case VT_I1:
                sourceArray = dataPointer.getByteArray(0, elementCount);
                break;
            case VT_BOOL:
            case VT_UI2:
            case VT_I2:
                sourceArray = dataPointer.getShortArray(0, elementCount);
                break;
            case VT_UI4:
            case VT_UINT:
            case VT_I4:
            case VT_INT:
            case VT_ERROR:
                sourceArray = dataPointer.getIntArray(0, elementCount);
                break;
            case VT_R4:
                sourceArray = dataPointer.getFloatArray(0, elementCount);
                break;
            case VT_R8:
            case VT_DATE:
                sourceArray = dataPointer.getDoubleArray(0, elementCount);
                break;
            case VT_BSTR:
                sourceArray = dataPointer.getPointerArray(0, elementCount);
                break;
            case VT_VARIANT:
                VARIANT variant = new VARIANT(dataPointer);
                sourceArray = variant.toArray(elementCount);
                break;
            case VT_UNKNOWN:
            case VT_DISPATCH:
            case VT_CY:
            case VT_DECIMAL:
            case VT_RECORD:
            default:
                throw new IllegalStateException("Type not supported: " + varType);
        }
        Object targetArray = Array.newInstance(Object.class, elements);
        toPrimitiveArray(sourceArray, targetArray, minIdx, maxIdx, elements, cumElements, varType, new int[0]);
        return targetArray;
    } finally {
        sa.unaccessData();
        if (destruct) {
            sa.destroy();
        }
    }
}

Example 2 with VT_BSTR

use of com.sun.jna.platform.win32.Variant.VT_BSTR in project jna by java-native-access.

the class OaIdlUtil method toPrimitiveArray.

private static void toPrimitiveArray(Object dataArray, Object targetArray, int[] minIdx, int[] maxIdx, int[] elements, int[] cumElements, int varType, int[] currentIdx) {
    int dimIdx = currentIdx.length;
    int[] subIdx = new int[currentIdx.length + 1];
    System.arraycopy(currentIdx, 0, subIdx, 0, dimIdx);
    for (int i = minIdx[dimIdx]; i <= maxIdx[dimIdx]; i++) {
        subIdx[dimIdx] = i;
        if (dimIdx == (minIdx.length - 1)) {
            int offset = 0;
            for (int j = 0; j < dimIdx; j++) {
                offset += cumElements[j] * currentIdx[j];
            }
            offset += subIdx[dimIdx] - minIdx[dimIdx];
            int targetPos = subIdx[dimIdx] - minIdx[dimIdx];
            switch(varType) {
                case VT_BOOL:
                    Array.set(targetArray, targetPos, Array.getShort(dataArray, offset) != 0);
                    break;
                case VT_UI1:
                case VT_I1:
                    Array.set(targetArray, targetPos, Array.getByte(dataArray, offset));
                    break;
                case VT_UI2:
                case VT_I2:
                    Array.set(targetArray, targetPos, Array.getShort(dataArray, offset));
                    break;
                case VT_UI4:
                case VT_UINT:
                case VT_I4:
                case VT_INT:
                    Array.set(targetArray, targetPos, Array.getInt(dataArray, offset));
                    break;
                case VT_ERROR:
                    Array.set(targetArray, targetPos, new SCODE(Array.getInt(dataArray, offset)));
                    break;
                case VT_R4:
                    Array.set(targetArray, targetPos, Array.getFloat(dataArray, offset));
                    break;
                case VT_R8:
                    Array.set(targetArray, targetPos, Array.getDouble(dataArray, offset));
                    break;
                case VT_DATE:
                    Array.set(targetArray, targetPos, new DATE(Array.getDouble(dataArray, offset)).getAsJavaDate());
                    break;
                case VT_BSTR:
                    Array.set(targetArray, targetPos, new BSTR((Pointer) Array.get(dataArray, offset)).getValue());
                    break;
                case VT_VARIANT:
                    VARIANT holder = (VARIANT) Array.get(dataArray, offset);
                    switch(holder.getVarType().intValue()) {
                        case VT_NULL:
                        case VT_EMPTY:
                            Array.set(targetArray, targetPos, null);
                            break;
                        case VT_BOOL:
                            Array.set(targetArray, targetPos, holder.booleanValue());
                            break;
                        case VT_UI1:
                        case VT_I1:
                            Array.set(targetArray, targetPos, holder.byteValue());
                            break;
                        case VT_UI2:
                        case VT_I2:
                            Array.set(targetArray, targetPos, holder.shortValue());
                            break;
                        case VT_UI4:
                        case VT_UINT:
                        case VT_I4:
                        case VT_INT:
                            Array.set(targetArray, targetPos, holder.intValue());
                            break;
                        case VT_ERROR:
                            Array.set(targetArray, targetPos, new SCODE(holder.intValue()));
                            break;
                        case VT_R4:
                            Array.set(targetArray, targetPos, holder.floatValue());
                            break;
                        case VT_R8:
                            Array.set(targetArray, targetPos, holder.doubleValue());
                            break;
                        case VT_DATE:
                            Array.set(targetArray, targetPos, holder.dateValue());
                            break;
                        case VT_BSTR:
                            Array.set(targetArray, targetPos, holder.stringValue());
                            break;
                        default:
                            throw new IllegalStateException("Type not supported: " + holder.getVarType().intValue());
                    }
                    break;
                case VT_UNKNOWN:
                case VT_DISPATCH:
                case VT_CY:
                case VT_DECIMAL:
                case VT_RECORD:
                default:
                    throw new IllegalStateException("Type not supported: " + varType);
            }
        } else {
            toPrimitiveArray(dataArray, Array.get(targetArray, i), minIdx, maxIdx, elements, cumElements, varType, subIdx);
        }
    }
}

Example 3 with VT_BSTR

use of com.sun.jna.platform.win32.Variant.VT_BSTR in project jna by java-native-access.

the class Convert method toJavaObject.

public static Object toJavaObject(VARIANT value, Class<?> targetClass, ObjectFactory factory, boolean addReference, boolean freeValue) {
    if (null == value || value.getVarType().intValue() == VT_EMPTY || value.getVarType().intValue() == VT_NULL) {
        return null;
    }
    if (targetClass != null && (!targetClass.isAssignableFrom(Object.class))) {
        if (targetClass.isAssignableFrom(value.getClass())) {
            return value;
        }
        Object vobj = value.getValue();
        if (vobj != null && (targetClass.isAssignableFrom(vobj.getClass()))) {
            return vobj;
        }
    }
    VARIANT inputValue = value;
    if (value.getVarType().intValue() == (VT_BYREF | VT_VARIANT)) {
        value = (VARIANT) value.getValue();
    }
    // handling
    if (targetClass == null || (targetClass.isAssignableFrom(Object.class))) {
        targetClass = null;
        int varType = value.getVarType().intValue();
        switch(value.getVarType().intValue()) {
            case VT_UI1:
            case VT_I1:
            case VT_BYREF | VT_UI1:
            case VT_BYREF | VT_I1:
                targetClass = Byte.class;
                break;
            case VT_I2:
            case VT_BYREF | VT_I2:
                targetClass = Short.class;
                break;
            case VT_UI2:
            case VT_BYREF | VT_UI2:
                targetClass = Character.class;
                break;
            case VT_INT:
            case VT_UINT:
            case VT_UI4:
            case VT_I4:
            case VT_BYREF | VT_I4:
            case VT_BYREF | VT_UI4:
            case VT_BYREF | VT_INT:
            case VT_BYREF | VT_UINT:
                targetClass = Integer.class;
                break;
            case VT_UI8:
            case VT_I8:
            case VT_BYREF | VT_I8:
            case VT_BYREF | VT_UI8:
                targetClass = Long.class;
                break;
            case VT_R4:
            case VT_BYREF | VT_R4:
                targetClass = Float.class;
                break;
            case VT_R8:
            case VT_BYREF | VT_R8:
                targetClass = Double.class;
                break;
            case VT_BOOL:
            case VT_BYREF | VT_BOOL:
                targetClass = Boolean.class;
                break;
            case VT_ERROR:
            case VT_BYREF | VT_ERROR:
                targetClass = WinDef.SCODE.class;
                break;
            case VT_CY:
            case VT_BYREF | VT_CY:
                targetClass = OaIdl.CURRENCY.class;
                break;
            case VT_DATE:
            case VT_BYREF | VT_DATE:
                targetClass = Date.class;
                break;
            case VT_BSTR:
            case VT_BYREF | VT_BSTR:
                targetClass = String.class;
                break;
            case VT_UNKNOWN:
            case VT_BYREF | VT_UNKNOWN:
                targetClass = com.sun.jna.platform.win32.COM.IUnknown.class;
                break;
            case VT_DISPATCH:
            case VT_BYREF | VT_DISPATCH:
                targetClass = IDispatch.class;
                break;
            case VT_BYREF | VT_VARIANT:
                targetClass = Variant.class;
                break;
            case VT_BYREF:
                targetClass = PVOID.class;
                break;
            case VT_BYREF | VT_DECIMAL:
                targetClass = OaIdl.DECIMAL.class;
                break;
            case VT_RECORD:
            default:
                if ((varType & VT_ARRAY) > 0) {
                    targetClass = OaIdl.SAFEARRAY.class;
                }
        }
    }
    Object result;
    if (Byte.class.equals(targetClass) || byte.class.equals(targetClass)) {
        result = value.byteValue();
    } else if (Short.class.equals(targetClass) || short.class.equals(targetClass)) {
        result = value.shortValue();
    } else if (Character.class.equals(targetClass) || char.class.equals(targetClass)) {
        result = (char) value.intValue();
    } else if (Integer.class.equals(targetClass) || int.class.equals(targetClass)) {
        result = value.intValue();
    } else if (Long.class.equals(targetClass) || long.class.equals(targetClass) || IComEnum.class.isAssignableFrom(targetClass)) {
        result = value.longValue();
    } else if (Float.class.equals(targetClass) || float.class.equals(targetClass)) {
        result = value.floatValue();
    } else if (Double.class.equals(targetClass) || double.class.equals(targetClass)) {
        result = value.doubleValue();
    } else if (Boolean.class.equals(targetClass) || boolean.class.equals(targetClass)) {
        result = value.booleanValue();
    } else if (Date.class.equals(targetClass)) {
        result = value.dateValue();
    } else if (String.class.equals(targetClass)) {
        result = value.stringValue();
    } else if (value.getValue() instanceof com.sun.jna.platform.win32.COM.IDispatch) {
        com.sun.jna.platform.win32.COM.IDispatch d = (com.sun.jna.platform.win32.COM.IDispatch) value.getValue();
        Object proxy = factory.createProxy(targetClass, d);
        // call
        if (!addReference) {
            int n = d.Release();
        }
        result = proxy;
    } else {
        /*
                    WinDef.SCODE.class.equals(targetClass) 
                        || OaIdl.CURRENCY.class.equals(targetClass)
                        || OaIdl.DECIMAL.class.equals(targetClass)
                        || OaIdl.SAFEARRAY.class.equals(targetClass)
                        || com.sun.jna.platform.win32.COM.IUnknown.class.equals(targetClass)
                        || Variant.class.equals(targetClass)
                        || PVOID.class.equals(targetClass
                    */
        result = value.getValue();
    }
    if (IComEnum.class.isAssignableFrom(targetClass)) {
        result = targetClass.cast(Convert.toComEnum((Class<? extends IComEnum>) targetClass, result));
    }
    if (freeValue) {
        free(inputValue, result);
    }
    return result;
}

Example 4 with VT_BSTR

use of com.sun.jna.platform.win32.Variant.VT_BSTR in project jna by java-native-access.

the class SAFEARRAYTest method testDataTypes.

@Test
public void testDataTypes() {
    int idx = 1;
    Pointer dataPointer;
    SAFEARRAY sa;
    long elementSize;
    Object[] objectResult;
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_BOOL), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(2L));
    dataPointer = sa.accessData();
    sa.putElement(true, idx);
    short[] shortResult = dataPointer.getShortArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Boolean) sa.getElement(idx), equalTo(true));
    assertThat(shortResult[idx], equalTo((short) 0xFFFF));
    assertThat((Short) dataPointer.getShort(idx * elementSize), equalTo((short) 0xFFFF));
    assertThat((Boolean) objectResult[idx], equalTo(true));
    sa.unaccessData();
    sa.destroy();
    byte testByte = 67;
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_UI1), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(1L));
    dataPointer = sa.accessData();
    sa.putElement(testByte, idx);
    byte[] byteResult = dataPointer.getByteArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Byte) sa.getElement(idx), equalTo(testByte));
    assertThat(dataPointer.getByte(idx * elementSize), equalTo(testByte));
    assertThat(byteResult[idx], equalTo(testByte));
    assertThat((Byte) objectResult[idx], equalTo(testByte));
    sa.unaccessData();
    sa.destroy();
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_I1), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(1L));
    dataPointer = sa.accessData();
    sa.putElement(testByte, idx);
    byteResult = dataPointer.getByteArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Byte) sa.getElement(idx), equalTo(testByte));
    assertThat(dataPointer.getByte(idx * elementSize), equalTo(testByte));
    assertThat(byteResult[idx], equalTo(testByte));
    assertThat((Byte) objectResult[idx], equalTo(testByte));
    sa.unaccessData();
    sa.destroy();
    short testShort = Short.MAX_VALUE - 1;
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_UI2), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(2L));
    dataPointer = sa.accessData();
    sa.putElement(testShort, idx);
    shortResult = dataPointer.getShortArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Short) sa.getElement(idx), equalTo(testShort));
    assertThat(dataPointer.getShort(idx * elementSize), equalTo(testShort));
    assertThat(shortResult[idx], equalTo(testShort));
    assertThat((Short) objectResult[idx], equalTo(testShort));
    sa.unaccessData();
    sa.destroy();
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_I2), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(2L));
    dataPointer = sa.accessData();
    sa.putElement(testShort, idx);
    shortResult = dataPointer.getShortArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Short) sa.getElement(idx), equalTo(testShort));
    assertThat(dataPointer.getShort(idx * elementSize), equalTo(testShort));
    assertThat(shortResult[idx], equalTo(testShort));
    assertThat((Short) objectResult[idx], equalTo(testShort));
    sa.unaccessData();
    sa.destroy();
    int testInt = Integer.MAX_VALUE - 1;
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_UI4), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(4L));
    dataPointer = sa.accessData();
    sa.putElement(testInt, idx);
    int[] intResult = dataPointer.getIntArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Integer) sa.getElement(idx), equalTo(testInt));
    assertThat(dataPointer.getInt(idx * elementSize), equalTo(testInt));
    assertThat(intResult[idx], equalTo(testInt));
    assertThat((Integer) objectResult[idx], equalTo(testInt));
    sa.unaccessData();
    sa.destroy();
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_I4), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(4L));
    dataPointer = sa.accessData();
    sa.putElement(testInt, idx);
    intResult = dataPointer.getIntArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Integer) sa.getElement(idx), equalTo(testInt));
    assertThat(dataPointer.getInt(idx * elementSize), equalTo(testInt));
    assertThat(intResult[idx], equalTo(testInt));
    assertThat((Integer) objectResult[idx], equalTo(testInt));
    sa.unaccessData();
    sa.destroy();
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_UINT), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(4L));
    dataPointer = sa.accessData();
    sa.putElement(testInt, idx);
    intResult = dataPointer.getIntArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Integer) sa.getElement(idx), equalTo(testInt));
    assertThat(dataPointer.getInt(idx * elementSize), equalTo(testInt));
    assertThat(intResult[idx], equalTo(testInt));
    assertThat((Integer) objectResult[idx], equalTo(testInt));
    sa.unaccessData();
    sa.destroy();
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_INT), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(4L));
    dataPointer = sa.accessData();
    sa.putElement(testInt, idx);
    intResult = dataPointer.getIntArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Integer) sa.getElement(idx), equalTo(testInt));
    assertThat(dataPointer.getInt(idx * elementSize), equalTo(testInt));
    assertThat(intResult[idx], equalTo(testInt));
    assertThat((Integer) objectResult[idx], equalTo(testInt));
    sa.unaccessData();
    sa.destroy();
    SCODE testSCODE = new SCODE(47);
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_ERROR), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(4L));
    dataPointer = sa.accessData();
    sa.putElement(testSCODE, idx);
    intResult = dataPointer.getIntArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((SCODE) sa.getElement(idx), equalTo(testSCODE));
    assertThat(dataPointer.getInt(idx * elementSize), equalTo(47));
    assertThat(intResult[idx], equalTo(47));
    assertThat((SCODE) objectResult[idx], equalTo(testSCODE));
    sa.unaccessData();
    sa.destroy();
    float testFloat = 42.23f;
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_R4), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(4L));
    dataPointer = sa.accessData();
    sa.putElement(testFloat, idx);
    float[] floatResult = dataPointer.getFloatArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Float) sa.getElement(idx), equalTo(testFloat));
    assertThat((Float) dataPointer.getFloat(idx * elementSize), equalTo(testFloat));
    assertThat(floatResult[idx], equalTo(testFloat));
    assertThat((Float) objectResult[idx], equalTo(testFloat));
    sa.unaccessData();
    sa.destroy();
    double testDouble = 42.23d;
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_R8), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(8L));
    dataPointer = sa.accessData();
    sa.putElement(testDouble, idx);
    double[] doubleResult = dataPointer.getDoubleArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat((Double) sa.getElement(idx), equalTo(testDouble));
    assertThat((Double) dataPointer.getDouble(idx * elementSize), equalTo(testDouble));
    assertThat(doubleResult[idx], equalTo(testDouble));
    assertThat((Double) objectResult[idx], equalTo(testDouble));
    sa.unaccessData();
    sa.destroy();
    Date testDate = new Date(1923, 1, 1, 5, 0, 0);
    DATE testDATE = new DATE(testDate);
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_DATE), 2);
    elementSize = sa.getElemsize();
    assertThat(elementSize, equalTo(8L));
    dataPointer = sa.accessData();
    sa.putElement(testDATE, idx);
    doubleResult = dataPointer.getDoubleArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat(((DATE) sa.getElement(idx)).date, equalTo(testDATE.date));
    assertThat((Double) dataPointer.getDouble(idx * elementSize), equalTo(testDATE.date));
    assertThat(((DATE) sa.getElement(idx)).getAsJavaDate(), equalTo(testDate));
    assertThat(doubleResult[idx], equalTo(testDATE.date));
    assertThat((Date) objectResult[idx], equalTo(testDate));
    sa.unaccessData();
    sa.destroy();
    String testString = "äöüßAE!";
    sa = SAFEARRAY.createSafeArray(new WTypes.VARTYPE(VT_BSTR), 2);
    elementSize = sa.getElemsize();
    dataPointer = sa.accessData();
    sa.putElement(testString, idx);
    Pointer[] pointerResult = dataPointer.getPointerArray(0, 2);
    objectResult = (Object[]) toPrimitiveArray(sa, false);
    assertThat(((String) sa.getElement(idx)), equalTo(testString));
    assertThat(new BSTR(dataPointer.getPointer(idx * elementSize)).getValue(), equalTo(testString));
    assertThat(new BSTR(pointerResult[idx]).getValue(), equalTo(testString));
    assertThat((String) objectResult[idx], equalTo(testString));
    sa.unaccessData();
    sa.destroy();
// VT_VARIANT is tested in testADODB
// untested: VT_UNKNOWN
// untested: VT_DISPATCH
// untested: VT_CY
// untested: VT_DECIMAL
// unsupported: VT_RECORD
}