dlls/msxml3/tests/xmlelem.c

   1 /*
   2  * IXMLElement tests
   3  *
   4  * Copyright 2007 James Hawkins
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include <stdio.h>
  24
  25 #include "windows.h"
  26 #include "ole2.h"
  27 #include "xmldom.h"
  28 #include "msxml2.h"
  29 #include "ocidl.h"
  30
  31 #include "wine/test.h"
  32
  33 #define ERROR_URL_NOT_FOUND 0x800c0006
  34
  35 static void test_xmlelem(void)
  36 {
  37     HRESULT hr;
  38     IXMLDocument *doc = NULL;
  39     IXMLElement *element = NULL, *parent;
  40     IXMLElement *child, *child2;
  41     IXMLElementCollection *children;
  42     VARIANT vType, vName;
  43     VARIANT vIndex, vValue;
  44     BSTR str, val;
  45     LONG type, num_child;
  46
  47     static const WCHAR propName[] = {'p','r','o','p',0};
  48     static const WCHAR propVal[] = {'v','a','l',0};
  49     static const WCHAR nextVal[] = {'n','e','x','t',0};
  50     static const WCHAR noexist[] = {'n','o','e','x','i','s','t',0};
  51     static const WCHAR crazyCase1[] = {'C','R','a','z','Y','c','A','S','E',0};
  52     static const WCHAR crazyCase2[] = {'C','R','A','Z','Y','C','A','S','E',0};
  53
  54     hr = CoCreateInstance(&CLSID_XMLDocument, NULL, CLSCTX_INPROC_SERVER,
  55                           &IID_IXMLDocument, (LPVOID*)&doc);
  56     ok(hr == S_OK, "Expected S_OK, got 0x%08x\n", hr);
  57
  58     V_VT(&vType) = VT_I4;
  59     V_I4(&vType) = XMLELEMTYPE_ELEMENT;
  60     V_VT(&vName) = VT_NULL;
  61     hr = IXMLDocument_createElement(doc, vType, vName, &element);
  62     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
  63     ok(element != NULL, "Expected non-NULL element\n");
  64
  65     hr = IXMLElement_get_tagName(element, &str);
  66     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
  67     ok(lstrlenW(str) == 0, "Expected empty tag name\n");
  68     SysFreeString(str);
  69
  70     parent = (IXMLElement *)0xdeadbeef;
  71     hr = IXMLElement_get_parent(element, &parent);
  72     ok(hr == 1, "Expected 1, got %08x\n", hr);
  73     ok(parent == NULL, "Expected NULL parent\n");
  74
  75     str = SysAllocString(noexist);
  76     hr = IXMLElement_getAttribute(element, str, &vValue);
  77     ok(hr == S_FALSE, "Expected S_FALSE, got %08x\n", hr);
  78     ok(V_VT(&vValue) == VT_EMPTY, "Expected VT_EMPTY, got %d\n", V_VT(&vValue));
  79     ok(V_BSTR(&vValue) == NULL, "Expected null value\n");
  80     VariantClear(&vValue);
  81     SysFreeString(str);
  82
  83     str = SysAllocString(crazyCase1);
  84     val = SysAllocString(propVal);
  85     V_VT(&vValue) = VT_BSTR;
  86     V_BSTR(&vValue) = val;
  87     hr = IXMLElement_setAttribute(element, str, vValue);
  88     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
  89     SysFreeString(str);
  90     SysFreeString(val);
  91
  92     str = SysAllocString(crazyCase2);
  93     hr = IXMLElement_getAttribute(element, str, &vValue);
  94     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
  95     ok(V_VT(&vValue) == VT_BSTR, "Expected VT_BSTR, got %d\n", V_VT(&vValue));
  96     ok(!lstrcmpW(V_BSTR(&vValue), propVal), "Expected 'val'\n");
  97     VariantClear(&vValue);
  98     SysFreeString(str);
  99
 100     str = SysAllocString(propName);
 101     val = SysAllocString(propVal);
 102     V_VT(&vValue) = VT_BSTR;
 103     V_BSTR(&vValue) = val;
 104     hr = IXMLElement_setAttribute(element, str, vValue);
 105     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 106     SysFreeString(val);
 107
 108     hr = IXMLElement_getAttribute(element, str, &vValue);
 109     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 110     ok(V_VT(&vValue) == VT_BSTR, "Expected VT_BSTR, got %d\n", V_VT(&vValue));
 111     ok(!lstrcmpW(V_BSTR(&vValue), propVal), "Expected 'val'\n");
 112     VariantClear(&vValue);
 113
 114     hr = IXMLElement_removeAttribute(element, str);
 115     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 116
 117     /* remove now nonexistent attribute */
 118     hr = IXMLElement_removeAttribute(element, str);
 119     ok(hr == S_FALSE, "Expected S_FALSE, got %08x\n", hr);
 120
 121     hr = IXMLElement_getAttribute(element, str, &vValue);
 122     ok(hr == 1, "Expected 1, got %08x\n", hr);
 123     ok(V_VT(&vValue) == VT_EMPTY, "Expected VT_EMPTY, got %d\n", V_VT(&vValue));
 124     ok(V_BSTR(&vValue) == NULL, "Expected null value\n");
 125     SysFreeString(str);
 126     VariantClear(&vValue);
 127
 128     children = (IXMLElementCollection *)0xdeadbeef;
 129     hr = IXMLElement_get_children(element, &children);
 130     ok(hr == 1, "Expected 1, got %08x\n", hr);
 131     ok(children == NULL, "Expected NULL collection\n");
 132
 133     hr = IXMLElement_get_type(element, &type);
 134     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 135     ok(type == XMLELEMTYPE_ELEMENT, "Expected XMLELEMTYPE_ELEMENT, got %d\n", type);
 136
 137     hr = IXMLElement_get_text(element, &str);
 138     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 139     ok(lstrlenW(str) == 0, "Expected empty text\n");
 140     SysFreeString(str);
 141
 142     /* put_text with an ELEMENT */
 143     str = SysAllocString(propVal);
 144     hr = IXMLElement_put_text(element, str);
 145     ok(hr == E_NOTIMPL, "Expected E_NOTIMPL, got %08x\n", hr);
 146     SysFreeString(str);
 147
 148     V_VT(&vType) = VT_I4;
 149     V_I4(&vType) = XMLELEMTYPE_TEXT;
 150     V_VT(&vName) = VT_NULL;
 151     hr = IXMLDocument_createElement(doc, vType, vName, &child);
 152     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 153     ok(child != NULL, "Expected non-NULL child\n");
 154
 155     hr = IXMLElement_addChild(element, child, 0, -1);
 156     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 157
 158     str = SysAllocString(propVal);
 159     hr = IXMLElement_put_text(child, str);
 160     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 161     SysFreeString(str);
 162
 163     parent = (IXMLElement *)0xdeadbeef;
 164     hr = IXMLElement_get_parent(child, &parent);
 165     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 166     ok(parent != element, "Expected parent != element\n");
 167
 168     hr = IXMLElement_get_type(parent, &type);
 169     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 170     ok(type == XMLELEMTYPE_ELEMENT, "Expected XMLELEMTYPE_ELEMENT, got %d\n", type);
 171
 172     children = (IXMLElementCollection *)0xdeadbeef;
 173     hr = IXMLElement_get_children(element, &children);
 174     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 175     ok(children != NULL, "Expected non-NULL collection\n");
 176
 177     hr = IXMLElementCollection_get_length(children, &num_child);
 178     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 179     ok(num_child == 1, "Expected 1, got %d\n", num_child);
 180
 181     V_VT(&vIndex) = VT_I4;
 182     V_I4(&vIndex) = 0;
 183     V_VT(&vName) = VT_ERROR;
 184     V_ERROR(&vName) = DISP_E_PARAMNOTFOUND;
 185     hr = IXMLElementCollection_item(children, vIndex, vName, (IDispatch **)&child2);
 186     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 187     ok(child2 != NULL, "Expected non-NULL child\n");
 188
 189     hr = IXMLElement_get_type(child2, &type);
 190     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 191     ok(type == XMLELEMTYPE_TEXT, "Expected XMLELEMTYPE_TEXT, got %d\n", type);
 192
 193     hr = IXMLElement_get_text(element, &str);
 194     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 195     ok(!lstrcmpW(str, propVal), "Expected 'val'\n");
 196     SysFreeString(str);
 197
 198     hr = IXMLElement_get_text(child2, &str);
 199     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 200     ok(!lstrcmpW(str, propVal), "Expected 'val'\n");
 201     SysFreeString(str);
 202
 203     /* try put_text on ELEMENT again, now that it has a text child */
 204     str = SysAllocString(nextVal);
 205     hr = IXMLElement_put_text(element, str);
 206     ok(hr == E_NOTIMPL, "Expected E_NOTIMPL, got %08x\n", hr);
 207     SysFreeString(str);
 208
 209     str = SysAllocString(nextVal);
 210     hr = IXMLElement_put_text(child2, str);
 211     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 212     SysFreeString(str);
 213
 214     hr = IXMLElement_get_text(element, &str);
 215     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 216     ok(!lstrcmpW(str, nextVal), "Expected 'val'\n");
 217     SysFreeString(str);
 218
 219     IXMLElement_Release(child2);
 220     IXMLElementCollection_Release(children);
 221     IXMLElement_Release(parent);
 222     IXMLElement_Release(child);
 223     IXMLElement_Release(element);
 224     IXMLDocument_Release(doc);
 225 }
 226
 227 static void create_xml_file(LPCSTR filename)
 228 {
 229     DWORD dwNumberOfBytesWritten;
 230     HANDLE hf = CreateFile(filename, GENERIC_WRITE, 0, NULL,
 231                            CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
 232
 233     static const char data[] =
 234         "<?xml version=\"1.0\" ?>\n"
 235         "<BankAccount>\n"
 236         "  <Number>1234</Number>\n"
 237         "  <Name>Captain Ahab</Name>\n"
 238         "</BankAccount>\n";
 239
 240     WriteFile(hf, data, sizeof(data) - 1, &dwNumberOfBytesWritten, NULL);
 241     CloseHandle(hf);
 242 }
 243
 244 static void test_xmlelem_collection(void)
 245 {
 246     HRESULT hr;
 247     IUnknown *unk = NULL;
 248     IXMLDocument *doc = NULL;
 249     IXMLElement *element = NULL, *child;
 250     IXMLElementCollection *collection = NULL;
 251     IEnumVARIANT *enumVar = NULL;
 252     CHAR pathA[MAX_PATH];
 253     WCHAR path[MAX_PATH];
 254     LONG length, type;
 255     ULONG num_vars;
 256     VARIANT var, vIndex, vName;
 257     BSTR url, str;
 258     static const CHAR szBankXML[] = "bank.xml";
 259     static const WCHAR szNumber[] = {'N','U','M','B','E','R',0};
 260     static const WCHAR szName[] = {'N','A','M','E',0};
 261
 262     hr = CoCreateInstance(&CLSID_XMLDocument, NULL, CLSCTX_INPROC_SERVER,
 263                           &IID_IXMLDocument, (LPVOID*)&doc);
 264     ok(hr == S_OK, "Expected S_OK, got 0x%08x\n", hr);
 265
 266     create_xml_file(szBankXML);
 267     GetFullPathNameA(szBankXML, MAX_PATH, pathA, NULL);
 268     MultiByteToWideChar(CP_ACP, 0, pathA, -1, path, MAX_PATH);
 269
 270     url = SysAllocString(path);
 271     hr = IXMLDocument_put_URL(doc, url);
 272     ok(hr == S_OK, "Expected S_OK, got 0x%08x\n", hr);
 273     SysFreeString(url);
 274
 275     if(hr != S_OK)
 276         goto cleanup;
 277
 278     hr = IXMLDocument_get_root(doc, &element);
 279     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 280     ok(element != NULL, "Expected non-NULL element\n");
 281
 282     hr = IXMLElement_get_children(element, &collection);
 283     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 284     ok(collection != NULL, "Expected non-NULL collection\n");
 285
 286     hr = IXMLElementCollection_get_length(collection, NULL);
 287     ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %08x\n", hr);
 288
 289     hr = IXMLElementCollection_get_length(collection, &length);
 290     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 291     ok(length == 2, "Expected 2, got %d\n", length);
 292
 293     /* IXMLElementCollection:put_length does nothing */
 294     hr = IXMLElementCollection_put_length(collection, -1);
 295     ok(hr == E_FAIL, "Expected E_FAIL, got %08x\n", hr);
 296
 297     hr = IXMLElementCollection_put_length(collection, 0);
 298     ok(hr == E_FAIL, "Expected E_FAIL, got %08x\n", hr);
 299
 300     hr = IXMLElementCollection_put_length(collection, 1);
 301     ok(hr == E_FAIL, "Expected E_FAIL, got %08x\n", hr);
 302
 303     hr = IXMLElementCollection_put_length(collection, 2);
 304     ok(hr == E_FAIL, "Expected E_FAIL, got %08x\n", hr);
 305
 306     hr = IXMLElementCollection_put_length(collection, 3);
 307     ok(hr == E_FAIL, "Expected E_FAIL, got %08x\n", hr);
 308
 309     hr = IXMLElementCollection_put_length(collection, 50);
 310     ok(hr == E_FAIL, "Expected E_FAIL, got %08x\n", hr);
 311
 312     /* make sure the length hasn't changed */
 313     hr = IXMLElementCollection_get_length(collection, &length);
 314     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 315     ok(length == 2, "Expected 2, got %d\n", length);
 316
 317     /* IXMLElementCollection implements IEnumVARIANT */
 318     hr = IXMLElementCollection_QueryInterface(collection, &IID_IEnumVARIANT, (LPVOID *)&enumVar);
 319     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 320     ok(enumVar != NULL, "Expected non-NULL enumVar\n");
 321     IEnumVARIANT_Release(enumVar);
 322
 323     hr = IXMLElementCollection_get__newEnum(collection, &unk);
 324     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 325     ok(unk != NULL, "Expected non-NULL unk\n");
 326
 327     hr = IUnknown_QueryInterface(unk, &IID_IEnumVARIANT, (LPVOID *)&enumVar);
 328     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 329     ok(enumVar != NULL, "Expected non-NULL enumVar\n");
 330     IUnknown_Release(unk);
 331
 332     /* <Number>1234</Number> */
 333     hr = IEnumVARIANT_Next(enumVar, 1, &var, &num_vars);
 334     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 335     ok(V_VT(&var) == VT_DISPATCH, "Expected VT_DISPATCH, got %d\n", V_VT(&var));
 336     ok(num_vars == 1, "Expected 1, got %d\n", num_vars);
 337
 338     hr = IUnknown_QueryInterface(V_DISPATCH(&var), &IID_IXMLElement, (LPVOID *)&child);
 339     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 340     ok(child != NULL, "Expected non-NULL child\n");
 341
 342     VariantClear(&var);
 343
 344     hr = IXMLElement_get_type(child, &type);
 345     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 346     ok(type == XMLELEMTYPE_ELEMENT, "Expected XMLELEMTYPE_ELEMENT, got %d\n", type);
 347
 348     hr = IXMLElement_get_tagName(child, &str);
 349     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 350     ok(!lstrcmpW(str, szNumber), "Expected NUMBER\n");
 351     SysFreeString(str);
 352     IXMLElement_Release(child);
 353
 354     /* <Name>Captain Ahab</Name> */
 355     hr = IEnumVARIANT_Next(enumVar, 1, &var, &num_vars);
 356     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 357     ok(V_VT(&var) == VT_DISPATCH, "Expected VT_DISPATCH, got %d\n", V_VT(&var));
 358     ok(num_vars == 1, "Expected 1, got %d\n", num_vars);
 359
 360     /* try advance further, no children left */
 361     hr = IEnumVARIANT_Next(enumVar, 1, &var, &num_vars);
 362     ok(hr == S_FALSE, "Expected S_FALSE, got %08x\n", hr);
 363     ok(V_VT(&var) == 0, "Expected 0, got %d\n", V_VT(&var));
 364     ok(num_vars == 0, "Expected 0, got %d\n", num_vars);
 365
 366     hr = IEnumVARIANT_Next(enumVar, 1, &var, NULL);
 367     ok(hr == S_FALSE, "Expected S_FALSE, got %08x\n", hr);
 368     ok(V_VT(&var) == 0, "Expected 0, got %d\n", V_VT(&var));
 369
 370     hr = IUnknown_QueryInterface(V_DISPATCH(&var), &IID_IXMLElement, (LPVOID *)&child);
 371     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 372     ok(child != NULL, "Expected non-NULL child\n");
 373
 374     VariantClear(&var);
 375
 376     hr = IXMLElement_get_type(child, &type);
 377     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 378     ok(type == XMLELEMTYPE_ELEMENT, "Expected XMLELEMTYPE_ELEMENT, got %d\n", type);
 379
 380     hr = IXMLElement_get_tagName(child, &str);
 381     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 382     ok(!lstrcmpW(str, szName), "Expected NAME\n");
 383     SysFreeString(str);
 384     IXMLElement_Release(child);
 385
 386     /* <Number>1234</Number> */
 387     V_VT(&vIndex) = VT_I4;
 388     V_I4(&vIndex) = 0;
 389     V_VT(&vName) = VT_ERROR;
 390     V_ERROR(&vName) = DISP_E_PARAMNOTFOUND;
 391     hr = IXMLElementCollection_item(collection, vIndex, vName, (IDispatch **)&child);
 392     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 393     ok(child != NULL, "Expected non-NULL child\n");
 394
 395     hr = IXMLElement_get_type(child, &type);
 396     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 397     ok(type == XMLELEMTYPE_ELEMENT, "Expected XMLELEMTYPE_ELEMENT, got %d\n", type);
 398
 399     hr = IXMLElement_get_tagName(child, &str);
 400     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 401     ok(!lstrcmpW(str, szNumber), "Expected NUMBER\n");
 402     SysFreeString(str);
 403     IXMLElement_Release(child);
 404
 405     /* <Name>Captain Ahab</Name> */
 406     V_VT(&vIndex) = VT_I4;
 407     V_I4(&vIndex) = 1;
 408     V_VT(&vName) = VT_ERROR;
 409     V_ERROR(&vName) = DISP_E_PARAMNOTFOUND;
 410     hr = IXMLElementCollection_item(collection, vIndex, vName, (IDispatch **)&child);
 411     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 412     ok(child != NULL, "Expected non-NULL child\n");
 413
 414     hr = IXMLElement_get_type(child, &type);
 415     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 416     ok(type == XMLELEMTYPE_ELEMENT, "Expected XMLELEMTYPE_ELEMENT, got %d\n", type);
 417
 418     hr = IXMLElement_get_tagName(child, &str);
 419     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 420     ok(!lstrcmpW(str, szName), "Expected NAME\n");
 421     SysFreeString(str);
 422     IXMLElement_Release(child);
 423
 424     V_I4(&vIndex) = 100;
 425     hr = IXMLElementCollection_item(collection, vIndex, vName, (IDispatch **)&child);
 426     ok(hr == E_FAIL, "Expected E_FAIL, got %08x\n", hr);
 427     ok(child == NULL, "Expected NULL child\n");
 428
 429     V_I4(&vIndex) = -1;
 430     child = (IXMLElement *)0xdeadbeef;
 431     hr = IXMLElementCollection_item(collection, vIndex, vName, (IDispatch **)&child);
 432     ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %08x\n", hr);
 433     ok(child == NULL, "Expected NULL child\n");
 434
 435     IEnumVARIANT_Release(enumVar);
 436     IXMLElement_Release(element);
 437     IXMLElementCollection_Release(collection);
 438 cleanup:
 439     IXMLDocument_Release(doc);
 440     DeleteFileA("bank.xml");
 441 }
 442
 443 static void test_xmlelem_children(void)
 444 {
 445     IXMLDocument *doc = NULL;
 446     IXMLElement *element = NULL, *child = NULL, *child2 = NULL;
 447     IXMLElementCollection *collection = NULL;
 448     VARIANT vType, vName, vIndex;
 449     LONG length;
 450     HRESULT hr;
 451
 452     hr = CoCreateInstance(&CLSID_XMLDocument, NULL, CLSCTX_INPROC_SERVER,
 453                           &IID_IXMLDocument, (LPVOID*)&doc);
 454     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 455
 456     V_VT(&vType) = VT_I4;
 457     V_I4(&vType) = XMLELEMTYPE_ELEMENT;
 458     V_VT(&vName) = VT_NULL;
 459     hr = IXMLDocument_createElement(doc, vType, vName, &element);
 460     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 461     ok(element != NULL, "Expected non-NULL element\n");
 462
 463     V_VT(&vType) = VT_I4;
 464     V_I4(&vType) = XMLELEMTYPE_TEXT;
 465     V_VT(&vName) = VT_NULL;
 466     hr = IXMLDocument_createElement(doc, vType, vName, &child);
 467     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 468     ok(child != NULL, "Expected non-NULL child\n");
 469
 470     V_VT(&vType) = VT_I4;
 471     V_I4(&vType) = XMLELEMTYPE_TEXT;
 472     V_VT(&vName) = VT_NULL;
 473     hr = IXMLDocument_createElement(doc, vType, vName, &child2);
 474     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 475     ok(child2 != NULL, "Expected non-NULL child\n");
 476
 477     hr = IXMLElement_addChild(element, child, 0, -1);
 478     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 479
 480     hr = IXMLElement_get_children(element, &collection);
 481     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 482     ok(collection != NULL, "Expected non-NULL collection\n");
 483
 484     length = 0;
 485     hr = IXMLElementCollection_get_length(collection, &length);
 486     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 487     ok(length == 1, "Expected 1, got %08x\n", length);
 488
 489     /* remove/add child and check what happens with collection */
 490     hr = IXMLElement_removeChild(element, child);
 491     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 492
 493     length = -1;
 494     hr = IXMLElementCollection_get_length(collection, &length);
 495     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 496     ok(length == 0, "Expected 0, got %08x\n", length);
 497     IXMLElementCollection_Release(collection);
 498
 499     hr = IXMLElement_AddRef(child);
 500     ok(hr == 2, "Expected 2, got %08x\n", hr);
 501     IXMLElement_Release(child);
 502     hr = IXMLElement_addChild(element, child, 0, -1);
 503     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 504     hr = IXMLElement_AddRef(child);
 505     ok(hr == 2, "Expected 2, got %08x\n", hr);
 506     IXMLElement_Release(child);
 507     hr = IXMLElement_addChild(element, child2, 0, -1);
 508     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 509
 510     hr = IXMLElement_get_children(element, &collection);
 511     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 512     ok(collection != NULL, "Expected non-NULL collection\n");
 513
 514     hr = IXMLElement_AddRef(child);
 515     ok(hr == 2, "Expected 2, got %08x\n", hr);
 516     IXMLElement_Release(child);
 517
 518     length = 0;
 519     hr = IXMLElementCollection_get_length(collection, &length);
 520     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 521     ok(length == 2, "Expected 2, got %08x\n", length);
 522
 523     IXMLElement_Release(child2);
 524
 525     length = 0;
 526     hr = IXMLElementCollection_get_length(collection, &length);
 527     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 528     ok(length == 2, "Expected 2, got %08x\n", length);
 529
 530     V_VT(&vIndex) = VT_I4;
 531     V_I4(&vIndex) = 1;
 532     hr = IXMLElementCollection_item(collection, vIndex, vName, (IDispatch **)&child2);
 533     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 534     ok(child2 != NULL, "Expected not NULL child\n");
 535     IXMLElementCollection_Release(collection);
 536     IXMLElement_Release(child2);
 537
 538     /* add element->child->child2 structure, then remove child2 from node */
 539     V_VT(&vType) = VT_I4;
 540     V_I4(&vType) = XMLELEMTYPE_TEXT;
 541     V_VT(&vName) = VT_NULL;
 542     hr = IXMLDocument_createElement(doc, vType, vName, &child2);
 543     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 544     ok(child2 != NULL, "Expected non-NULL child\n");
 545
 546     hr = IXMLElement_addChild(child, child2, 0, -1);
 547     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 548
 549     hr = IXMLElement_removeChild(element, child2);
 550     ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %08x\n", hr);
 551
 552     hr = IXMLElement_removeChild(child, child2);
 553     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
 554
 555     hr = IXMLElement_removeChild(child, NULL);
 556     ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %08x\n", hr);
 557
 558     IXMLElement_Release(element);
 559     IXMLElement_Release(child);
 560     IXMLElement_Release(child2);
 561     IXMLDocument_Release(doc);
 562 }
 563
 564 static BOOL test_try_xmldoc(void)
 565 {
 566     IXMLDocument *doc = NULL;
 567     HRESULT hr;
 568
 569     hr = CoCreateInstance(&CLSID_XMLDocument, NULL, CLSCTX_INPROC_SERVER,
 570                           &IID_IXMLDocument, (LPVOID*)&doc);
 571     if (FAILED(hr))
 572     {
 573         skip("Failed to create XMLDocument instance\n");
 574         return FALSE;
 575     }
 576
 577     IXMLDocument_Release(doc);
 578     return TRUE;
 579 }
 580
 581 START_TEST(xmlelem)
 582 {
 583     HRESULT hr;
 584
 585     hr = CoInitialize(NULL);
 586     ok(hr == S_OK, "failed to init com\n");
 587
 588     if (!test_try_xmldoc())
 589     {
 590         CoUninitialize();
 591         return;
 592     }
 593
 594     test_xmlelem();
 595     test_xmlelem_collection();
 596     test_xmlelem_children();
 597
 598     CoUninitialize();
 599 }