oledb32: Add some conversions to DBTYPE_UI4;.

dlls/oledb32/convert.c

@@ -311,6 +311,32 @@ static HRESULT WINAPI convert_DataConvert(IDataConvert* iface,
         break;
     }
 
+    case DBTYPE_UI4:
+    {
+        DWORD *d = dst;
+        switch(src_type)
+        {
+        case DBTYPE_EMPTY:       *d = 0; hr = S_OK;                              break;
+        case DBTYPE_I2:          hr = VarUI4FromI2(*(signed short*)src, d);      break;
+        case DBTYPE_I4:          hr = VarUI4FromI4(*(signed int*)src, d);        break;
+        case DBTYPE_R4:          hr = VarUI4FromR4(*(FLOAT*)src, d);             break;
+        case DBTYPE_R8:          hr = VarUI4FromR8(*(double*)src, d);            break;
+        case DBTYPE_CY:          hr = VarUI4FromCy(*(CY*)src, d);                break;
+        case DBTYPE_DATE:        hr = VarUI4FromDate(*(DATE*)src, d);            break;
+        case DBTYPE_BSTR:        hr = VarUI4FromStr(*(WCHAR**)src, LOCALE_USER_DEFAULT, 0, d); break;
+        case DBTYPE_BOOL:        hr = VarUI4FromBool(*(VARIANT_BOOL*)src, d);    break;
+        case DBTYPE_DECIMAL:     hr = VarUI4FromDec((DECIMAL*)src, d);           break;
+        case DBTYPE_I1:          hr = VarUI4FromI1(*(signed char*)src, d);       break;
+        case DBTYPE_UI1:         hr = VarUI4FromUI1(*(BYTE*)src, d);             break;
+        case DBTYPE_UI2:         hr = VarUI4FromUI2(*(WORD*)src, d);             break;
+        case DBTYPE_UI4:         *d = *(DWORD*)src; hr = S_OK;                   break;
+        case DBTYPE_I8:          hr = VarUI4FromI8(*(LONGLONG*)src, d);          break;
+        case DBTYPE_UI8:         hr = VarUI4FromUI8(*(ULONGLONG*)src, d);        break;
+        default: FIXME("Unimplemented conversion %04x -> UI1\n", src_type); return E_NOTIMPL;
+        }
+        break;
+    }
+
     case DBTYPE_FILETIME:
     {
         FILETIME *d = dst;

dlls/oledb32/tests/convert.c

@@ -1232,6 +1232,64 @@ static void test_converttoui1(void)
     IDataConvert_Release(convert);
 }
 
+static void test_converttoui4(void)
+{
+    IDataConvert *convert;
+    HRESULT hr;
+    DWORD dst;
+    BYTE src[20];
+    DBSTATUS dst_status;
+    DBLENGTH dst_len;
+
+    hr = CoCreateInstance(&CLSID_OLEDB_CONVERSIONLIBRARY, NULL, CLSCTX_INPROC_SERVER, &IID_IDataConvert, (void**)&convert);
+    if(FAILED(hr))
+    {
+        win_skip("Unable to load oledb conversion library\n");
+        return;
+    }
+
+    dst = 0x12345678;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_EMPTY, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
+    ok(hr == S_OK, "got %08x\n", hr);
+    ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+    ok(dst_len == sizeof(dst), "got %d\n", dst_len);
+    ok(dst == 0, "got %08x\n", dst);
+
+    dst = 0x12345678;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_NULL, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
+    ok(hr == DB_E_UNSUPPORTEDCONVERSION, "got %08x\n", hr);
+    ok(dst_status == DBSTATUS_E_BADACCESSOR, "got %08x\n", dst_status);
+    ok(dst_len == sizeof(dst), "got %d\n", dst_len);
+    ok(dst == 0x12345678, "got %08x\n", dst);
+
+    dst = 0x12345678;
+    *(DWORD*)src = 0x87654321;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_UI4, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
+    ok(hr == S_OK, "got %08x\n", hr);
+    ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+    ok(dst_len == sizeof(dst), "got %d\n", dst_len);
+    ok(dst == 0x87654321, "got %08x\n", dst);
+
+    dst = 0x12345678;
+    *(signed short *)src = 0x4321;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
+    ok(hr == S_OK, "got %08x\n", hr);
+    ok(dst_status == DBSTATUS_S_OK, "got %08x\n", dst_status);
+    ok(dst_len == sizeof(dst), "got %d\n", dst_len);
+    ok(dst == 0x4321, "got %08x\n", dst);
+
+    dst = 0x12345678;
+    *(signed short *)src = -1;
+    hr = IDataConvert_DataConvert(convert, DBTYPE_I2, DBTYPE_UI4, 0, &dst_len, src, &dst, sizeof(dst), 0, &dst_status, 0, 0, 0);
+    ok(hr == DB_E_ERRORSOCCURRED, "got %08x\n", hr);
+todo_wine
+    ok(dst_status == DBSTATUS_E_SIGNMISMATCH, "got %08x\n", dst_status);
+    ok(dst_len == sizeof(dst), "got %d\n", dst_len);
+    ok(dst == 0x12345678, "got %08x\n", dst);
+
+    IDataConvert_Release(convert);
+}
+
 START_TEST(convert)
 {
     OleInitialize(NULL);
@@ -1244,6 +1302,7 @@ START_TEST(convert)
     test_converttobyrefwstr();
     test_converttoguid();
     test_converttoui1();
+    test_converttoui4();
     test_converttofiletime();
     OleUninitialize();
 }