4 * Copyright 2009 James Hawkins
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.
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.
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
21 #include <wine/test.h>
26 static const WCHAR szSunshine[] = {'S','u','n','s','h','i','n','e',0};
28 /* Temporary storage for ok_bstr. */
29 static CHAR temp_str[MAX_PATH];
31 #define ok_bstr(bstr, expected, format) \
33 WideCharToMultiByte(CP_ACP, 0, bstr, -1, temp_str, MAX_PATH, NULL, NULL); \
34 if (lstrcmpA(temp_str, expected) != 0) \
35 ok(0, format, expected, temp_str); \
38 #define INIT_DISPPARAMS(dp, args, named_args, num_args, num_named_args) \
40 dp.rgdispidNamedArgs = named_args; \
41 dp.cArgs = num_args; \
42 dp.cNamedArgs = num_named_args; \
44 /* Initializes vararg with three values:
47 * VT_BSTR - "Sunshine"
49 #define INIT_VARARG(vararg) \
50 VariantInit(&vararg[0]); \
51 V_VT(&vararg[0]) = VT_I2; \
52 V_I2(&vararg[0]) = 42; \
53 VariantInit(&vararg[1]); \
54 V_VT(&vararg[1]) = VT_I4; \
55 V_I4(&vararg[1]) = 1234567890; \
56 VariantInit(&vararg[2]); \
57 V_VT(&vararg[2]) = VT_BSTR; \
58 V_BSTR(&vararg[2]) = SysAllocString(szSunshine);
60 /* Clears the vararg. */
61 #define CLEAR_VARARG(vararg) \
62 VariantClear(&vararg[0]); \
63 VariantClear(&vararg[1]); \
64 VariantClear(&vararg[2]);
66 static void test_DispGetParam(void)
69 DISPPARAMS dispparams;
72 unsigned int err_index;
76 /* DispGetParam crashes on Windows if pdispparams is NULL. */
78 /* pdispparams has zero parameters. */
79 INIT_DISPPARAMS(dispparams, NULL, NULL, 0, 0);
81 err_index = 0xdeadbeef;
82 hr = DispGetParam(&dispparams, 0, VT_I2, &result, &err_index);
83 ok(hr == DISP_E_PARAMNOTFOUND,
84 "Expected DISP_E_PARAMNOTFOUND, got %08x\n", hr);
85 ok(V_VT(&result) == VT_EMPTY,
86 "Expected VT_EMPTY, got %08x\n", V_VT(&result));
87 ok(err_index == 0xdeadbeef,
88 "Expected err_index to be unchanged, got %d\n", err_index);
90 /* pdispparams has zero parameters, position is invalid. */
91 INIT_DISPPARAMS(dispparams, NULL, NULL, 0, 0);
93 err_index = 0xdeadbeef;
94 hr = DispGetParam(&dispparams, 1, VT_I2, &result, &err_index);
95 ok(hr == DISP_E_PARAMNOTFOUND,
96 "Expected DISP_E_PARAMNOTFOUND, got %08x\n", hr);
97 ok(V_VT(&result) == VT_EMPTY,
98 "Expected VT_EMPTY, got %08x\n", V_VT(&result));
99 ok(err_index == 0xdeadbeef,
100 "Expected err_index to be unchanged, got %d\n", err_index);
102 /* pdispparams has zero parameters, pvarResult is NULL. */
103 INIT_DISPPARAMS(dispparams, NULL, NULL, 0, 0);
104 err_index = 0xdeadbeef;
105 hr = DispGetParam(&dispparams, 0, VT_I2, NULL, &err_index);
106 ok(hr == DISP_E_PARAMNOTFOUND,
107 "Expected DISP_E_PARAMNOTFOUND, got %08x\n", hr);
108 ok(err_index == 0xdeadbeef,
109 "Expected err_index to be unchanged, got %d\n", err_index);
111 /* pdispparams has zero parameters, puArgErr is NULL. */
112 INIT_DISPPARAMS(dispparams, NULL, NULL, 0, 0);
113 VariantInit(&result);
114 hr = DispGetParam(&dispparams, 0, VT_I2, &result, NULL);
115 ok(hr == DISP_E_PARAMNOTFOUND,
116 "Expected DISP_E_PARAMNOTFOUND, got %08x\n", hr);
117 ok(V_VT(&result) == VT_EMPTY,
118 "Expected VT_EMPTY, got %08x\n", V_VT(&result));
120 /* pdispparams.cArgs is 1, yet pdispparams.rgvarg is NULL. */
121 INIT_DISPPARAMS(dispparams, NULL, NULL, 1, 0);
122 VariantInit(&result);
123 err_index = 0xdeadbeef;
124 hr = DispGetParam(&dispparams, 0, VT_I2, &result, &err_index);
125 ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %08x\n", hr);
126 ok(V_VT(&result) == VT_EMPTY,
127 "Expected VT_EMPTY, got %08x\n", V_VT(&result));
128 ok(err_index == 0, "Expected 0, got %d\n", err_index);
130 /* pdispparams.cNamedArgs is 1, yet pdispparams.rgdispidNamedArgs is NULL.
132 * This crashes on Windows.
135 /* {42, 1234567890, "Sunshine"} */
138 /* Get the first param. position is end-based, so 2 is the first parameter
141 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
142 VariantInit(&result);
143 err_index = 0xdeadbeef;
144 hr = DispGetParam(&dispparams, 2, VT_I2, &result, &err_index);
145 ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
146 ok(V_VT(&result) == VT_I2, "Expected VT_I2, got %08x\n", V_VT(&result));
147 ok(V_I2(&result) == 42, "Expected 42, got %d\n", V_I2(&result));
148 ok(err_index == 0xdeadbeef,
149 "Expected err_index to be unchanged, got %d\n", err_index);
151 /* Get the second param. */
152 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
153 VariantInit(&result);
154 err_index = 0xdeadbeef;
155 hr = DispGetParam(&dispparams, 1, VT_I4, &result, &err_index);
156 ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
157 ok(V_VT(&result) == VT_I4, "Expected VT_I4, got %08x\n", V_VT(&result));
158 ok(V_I4(&result) == 1234567890,
159 "Expected 1234567890, got %d\n", V_I4(&result));
160 ok(err_index == 0xdeadbeef,
161 "Expected err_index to be unchanged, got %d\n", err_index);
163 /* Get the third param. */
164 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
165 VariantInit(&result);
166 err_index = 0xdeadbeef;
167 hr = DispGetParam(&dispparams, 0, VT_BSTR, &result, &err_index);
168 ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
169 ok(V_VT(&result) == VT_BSTR, "Expected VT_BSTR, got %08x\n", V_VT(&result));
170 ok_bstr(V_BSTR(&result), "Sunshine", "Expected %s, got %s\n");
171 ok(err_index == 0xdeadbeef,
172 "Expected err_index to be unchanged, got %d\n", err_index);
173 VariantClear(&result);
175 /* position is out of range. */
176 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
177 VariantInit(&result);
178 err_index = 0xdeadbeef;
179 hr = DispGetParam(&dispparams, 3, VT_I2, &result, &err_index);
180 ok(hr == DISP_E_PARAMNOTFOUND,
181 "Expected DISP_E_PARAMNOTFOUND, got %08x\n", hr);
182 ok(V_VT(&result) == VT_EMPTY,
183 "Expected VT_EMPTY, got %08x\n", V_VT(&result));
184 ok(err_index == 0xdeadbeef,
185 "Expected err_index to be unchanged, got %d\n", err_index);
187 /* pvarResult is NULL. */
188 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
189 err_index = 0xdeadbeef;
190 hr = DispGetParam(&dispparams, 2, VT_I2, NULL, &err_index);
191 ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %08x\n", hr);
192 ok(err_index == 0, "Expected 0, got %d\n", err_index);
194 /* puArgErr is NULL. */
195 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
196 VariantInit(&result);
197 hr = DispGetParam(&dispparams, 2, VT_I2, &result, NULL);
198 ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
199 ok(V_VT(&result) == VT_I2, "Expected VT_I2, got %08x\n", V_VT(&result));
200 ok(V_I2(&result) == 42, "Expected 42, got %d\n", V_I2(&result));
202 /* Coerce the first param to VT_I4. */
203 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
204 VariantInit(&result);
205 err_index = 0xdeadbeef;
206 hr = DispGetParam(&dispparams, 2, VT_I4, &result, &err_index);
207 ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
208 ok(V_VT(&result) == VT_I4, "Expected VT_I4, got %08x\n", V_VT(&result));
209 ok(V_I4(&result) == 42, "Expected 42, got %d\n", V_I4(&result));
210 ok(err_index == 0xdeadbeef,
211 "Expected err_index to be unchanged, got %d\n", err_index);
213 /* Coerce the first param to VT_BSTR. */
214 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
215 VariantInit(&result);
216 err_index = 0xdeadbeef;
217 hr = DispGetParam(&dispparams, 2, VT_BSTR, &result, &err_index);
218 ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
219 ok(V_VT(&result) == VT_BSTR, "Expected VT_BSTR, got %08x\n", V_VT(&result));
220 ok_bstr(V_BSTR(&result), "42", "Expected %s, got %s\n");
221 ok(err_index == 0xdeadbeef,
222 "Expected err_index to be unchanged, got %d\n", err_index);
223 VariantClear(&result);
225 /* Coerce the second (VT_I4) param to VT_I2. */
226 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
227 VariantInit(&result);
228 err_index = 0xdeadbeef;
229 hr = DispGetParam(&dispparams, 1, VT_I2, &result, &err_index);
230 ok(hr == DISP_E_OVERFLOW, "Expected DISP_E_OVERFLOW, got %08x\n", hr);
231 ok(V_VT(&result) == VT_EMPTY,
232 "Expected VT_EMPTY, got %08x\n", V_VT(&result));
233 ok(err_index == 1, "Expected 1, got %d\n", err_index);
235 /* Coerce the third (VT_BSTR) param to VT_I2. */
236 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
237 VariantInit(&result);
238 err_index = 0xdeadbeef;
239 hr = DispGetParam(&dispparams, 0, VT_I2, &result, &err_index);
240 ok(hr == DISP_E_TYPEMISMATCH,
241 "Expected DISP_E_TYPEMISMATCH, got %08x\n", hr);
242 ok(V_VT(&result) == VT_EMPTY,
243 "Expected VT_EMPTY, got %08x\n", V_VT(&result));
244 ok(err_index == 2, "Expected 2, got %d\n", err_index);
246 /* Coerce the first parameter to an invalid type. */
247 INIT_DISPPARAMS(dispparams, vararg, NULL, 3, 0);
248 VariantInit(&result);
249 err_index = 0xdeadbeef;
250 hr = DispGetParam(&dispparams, 2, VT_ILLEGAL, &result, &err_index);
251 ok(hr == DISP_E_BADVARTYPE, "Expected DISP_E_BADVARTYPE, got %08x\n", hr);
252 ok(V_VT(&result) == VT_EMPTY,
253 "Expected VT_EMPTY, got %08x\n", V_VT(&result));
254 ok(err_index == 0, "Expected 0, got %d\n", err_index);
256 CLEAR_VARARG(vararg);
258 /* Coerce the first parameter, which is of type VT_EMPTY, to VT_BSTR. */
259 VariantInit(&vararg[0]);
260 INIT_DISPPARAMS(dispparams, vararg, NULL, 1, 0);
261 VariantInit(&result);
262 err_index = 0xdeadbeef;
263 hr = DispGetParam(&dispparams, 0, VT_BSTR, &result, &err_index);
264 ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
265 ok(V_VT(&result) == VT_BSTR, "Expected VT_BSTR, got %08x\n", V_VT(&result));
266 ok(err_index == 0xdeadbeef, "Expected 0xdeadbeef, got %d\n", err_index);
267 VariantClear(&result);