tstRTPipe.cpp@ 94130

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1	/* $Id: tstRTPipe.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2	/** @file
3	* IPRT Testcase - RTPipe.
4	*/
5
6	/*
7	* Copyright (C) 2010-2022 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27
28	/*********************************************************************************************************************************
29	* Header Files *
30	*********************************************************************************************************************************/
31	#include <iprt/pipe.h>
32
33	#include <iprt/env.h>
34	#include <iprt/err.h>
35	#include <iprt/initterm.h>
36	#include <iprt/mem.h>
37	#include <iprt/message.h>
38	#include <iprt/param.h>
39	#include <iprt/process.h>
40	#include <iprt/string.h>
41	#include <iprt/test.h>
42
43
44	/*********************************************************************************************************************************
45	* Global Variables *
46	*********************************************************************************************************************************/
47	static const char g_szTest4Message[] = "This is test #4, everything is working fine.\n\r";
48	static const char g_szTest5Message[] = "This is test #5, everything is working fine.\n\r";
49
50
51	static RTEXITCODE tstRTPipe5Child(const char *pszPipe)
52	{
53	int rc = RTR3InitExeNoArguments(0);
54	if (RT_FAILURE(rc))
55	return RTMsgInitFailure(rc);
56
57	int64_t iNative;
58	rc = RTStrToInt64Full(pszPipe, 10, &iNative);
59	if (RT_FAILURE(rc))
60	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTStrToUInt64Full(%s) -> %Rrc\n", pszPipe, rc);
61
62	RTPIPE hPipe;
63	rc = RTPipeFromNative(&hPipe, (RTHCINTPTR)iNative, RTPIPE_N_READ);
64	if (RT_FAILURE(rc))
65	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPipeFromNative(,%s,READ) -> %Rrc\n", pszPipe, rc);
66
67	///
68	char szTmp[1024];
69	size_t cbRead = 0;
70	rc = RTPipeReadBlocking(hPipe, szTmp, sizeof(szTmp) - 1, &cbRead);
71	if (RT_FAILURE(rc))
72	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPipeReadBlocking() -> %Rrc\n", rc);
73	szTmp[cbRead] = '\0';
74
75	size_t cbRead2;
76	char szTmp2[4];
77	rc = RTPipeReadBlocking(hPipe, szTmp2, sizeof(szTmp2), &cbRead2);
78	if (rc != VERR_BROKEN_PIPE)
79	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPipeReadBlocking() -> %Rrc instead of VERR_BROKEN_PIPE\n", rc);
80
81	rc = RTPipeClose(hPipe);
82	if (RT_FAILURE(rc))
83	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPipeClose() -> %Rrc\n", rc);
84
85	if (memcmp(szTmp, g_szTest5Message, sizeof(g_szTest5Message)))
86	return RTMsgErrorExit(RTEXITCODE_FAILURE, "Message mismatch.\n:Expected '%s'\nGot '%s'\n", g_szTest5Message, szTmp);
87
88	return RTEXITCODE_SUCCESS;
89	}
90
91	static void tstRTPipe5(void)
92	{
93	RTTestISub("Inherit non-standard pipe handle, read end");
94
95	char szPathSelf[RTPATH_MAX];
96	RTTESTI_CHECK_RETV(RTProcGetExecutablePath(szPathSelf, sizeof(szPathSelf)) == szPathSelf);
97
98	RTPIPE hPipeR;
99	RTPIPE hPipeW;
100	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_READ), VINF_SUCCESS);
101
102	RTHCINTPTR hNative = RTPipeToNative(hPipeR);
103	RTTESTI_CHECK_RETV(hNative != -1);
104
105	char szNative[64];
106	RTStrPrintf(szNative, sizeof(szNative), "%RHi", hNative);
107	const char *papszArgs[4] = { szPathSelf, "--child-5", szNative, NULL };
108
109	RTPROCESS hChild;
110	RTTESTI_CHECK_RC_RETV(RTProcCreate(szPathSelf, papszArgs, RTENV_DEFAULT, 0 /fFlags/, &hChild), VINF_SUCCESS);
111	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
112
113	RTTESTI_CHECK_RC(RTPipeWriteBlocking(hPipeW, g_szTest5Message, sizeof(g_szTest5Message) - 1, NULL), VINF_SUCCESS);
114	int rc;
115	RTTESTI_CHECK_RC(rc = RTPipeClose(hPipeW), VINF_SUCCESS);
116	if (RT_FAILURE(rc))
117	RTTESTI_CHECK_RC(RTProcTerminate(hChild), VINF_SUCCESS);
118
119	RTPROCSTATUS ProcStatus;
120	RTTESTI_CHECK_RC(rc = RTProcWait(hChild, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus), VINF_SUCCESS);
121	if (RT_FAILURE(rc))
122	return;
123	RTTESTI_CHECK( ProcStatus.enmReason == RTPROCEXITREASON_NORMAL
124	&& ProcStatus.iStatus == 0);
125	}
126
127
128	static RTEXITCODE tstRTPipe4Child(const char *pszPipe)
129	{
130	int rc = RTR3InitExeNoArguments(0);
131	if (RT_FAILURE(rc))
132	return RTMsgInitFailure(rc);
133
134	int64_t iNative;
135	rc = RTStrToInt64Full(pszPipe, 10, &iNative);
136	if (RT_FAILURE(rc))
137	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTStrToUInt64Full(%s) -> %Rrc\n", pszPipe, rc);
138
139	RTPIPE hPipe;
140	rc = RTPipeFromNative(&hPipe, (RTHCINTPTR)iNative, RTPIPE_N_WRITE);
141	if (RT_FAILURE(rc))
142	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPipeFromNative(,%s,WRITE) -> %Rrc\n", pszPipe, rc);
143
144	rc = RTPipeWriteBlocking(hPipe, g_szTest4Message, sizeof(g_szTest4Message) - 1, NULL);
145	if (RT_FAILURE(rc))
146	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPipeWriteBlocking() -> %Rrc\n", rc);
147
148	rc = RTPipeClose(hPipe);
149	if (RT_FAILURE(rc))
150	return RTMsgErrorExit(RTEXITCODE_FAILURE, "RTPipeClose() -> %Rrc\n", rc);
151	return RTEXITCODE_SUCCESS;
152	}
153
154	static void tstRTPipe4(void)
155	{
156	RTTestISub("Inherit non-standard pipe handle, write end");
157
158	char szPathSelf[RTPATH_MAX];
159	RTTESTI_CHECK_RETV(RTProcGetExecutablePath(szPathSelf, sizeof(szPathSelf)) == szPathSelf);
160
161	RTPIPE hPipeR;
162	RTPIPE hPipeW;
163	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_WRITE), VINF_SUCCESS);
164
165	RTHCINTPTR hNative = RTPipeToNative(hPipeW);
166	RTTESTI_CHECK_RETV(hNative != -1);
167
168	char szNative[64];
169	RTStrPrintf(szNative, sizeof(szNative), "%RHi", hNative);
170	const char *papszArgs[4] = { szPathSelf, "--child-4", szNative, NULL };
171
172	RTPROCESS hChild;
173	RTTESTI_CHECK_RC_RETV(RTProcCreate(szPathSelf, papszArgs, RTENV_DEFAULT, 0 /fFlags/, &hChild), VINF_SUCCESS);
174	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
175
176	char szTmp[1024];
177	size_t cbRead = 0;
178	int rc;
179	RTTESTI_CHECK_RC(rc = RTPipeReadBlocking(hPipeR, szTmp, sizeof(szTmp) - 1, &cbRead), VINF_SUCCESS);
180	if (RT_FAILURE(rc))
181	cbRead = 0;
182	RTTESTI_CHECK_RETV(cbRead < sizeof(szTmp));
183	szTmp[cbRead] = '\0';
184
185	size_t cbRead2;
186	char szTmp2[4];
187	RTTESTI_CHECK_RC(RTPipeReadBlocking(hPipeR, szTmp2, sizeof(szTmp2), &cbRead2), VERR_BROKEN_PIPE);
188	RTTESTI_CHECK_RC(rc = RTPipeClose(hPipeR), VINF_SUCCESS);
189	if (RT_FAILURE(rc))
190	RTTESTI_CHECK_RC(RTProcTerminate(hChild), VINF_SUCCESS);
191
192	RTPROCSTATUS ProcStatus;
193	RTTESTI_CHECK_RC(rc = RTProcWait(hChild, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus), VINF_SUCCESS);
194	if (RT_FAILURE(rc))
195	return;
196	RTTESTI_CHECK( ProcStatus.enmReason == RTPROCEXITREASON_NORMAL
197	&& ProcStatus.iStatus == 0);
198	if (memcmp(szTmp, g_szTest4Message, sizeof(g_szTest4Message)))
199	RTTestIFailed("Message mismatch.\n:Expected '%s'\nGot '%s'\n", g_szTest4Message, szTmp);
200	}
201
202
203	static void tstRTPipe3(void)
204	{
205	RTTestISub("Full write buffer");
206
207	RTPIPE hPipeR = (RTPIPE)999999;
208	RTPIPE hPipeW = (RTPIPE)999999;
209	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
210
211	static char s_abBuf[_256K];
212	int rc = VINF_SUCCESS;
213	size_t cbTotal = 0;
214	memset(s_abBuf, 0xff, sizeof(s_abBuf));
215	for (;;)
216	{
217	RTTESTI_CHECK(cbTotal < _1G);
218	if (cbTotal > _1G)
219	break;
220
221	size_t cbWritten = _1G;
222	rc = RTPipeWrite(hPipeW, s_abBuf, sizeof(s_abBuf), &cbWritten);
223	RTTESTI_CHECK_MSG(rc == VINF_SUCCESS \|\| rc == VINF_TRY_AGAIN, ("rc=%Rrc\n", rc));
224	if (rc != VINF_SUCCESS)
225	break;
226	cbTotal += cbWritten;
227	}
228
229	if (rc == VINF_TRY_AGAIN)
230	{
231	RTTestIPrintf(RTTESTLVL_ALWAYS, "cbTotal=%zu (%#zx)\n", cbTotal, cbTotal);
232	RTTESTI_CHECK_RC(RTPipeSelectOne(hPipeW, 0), VERR_TIMEOUT);
233	RTTESTI_CHECK_RC(RTPipeSelectOne(hPipeW, 1), VERR_TIMEOUT);
234	size_t cbRead;
235	RTTESTI_CHECK_RC(RTPipeRead(hPipeR, s_abBuf, RT_MIN(sizeof(s_abBuf), cbTotal) / 2, &cbRead), VINF_SUCCESS);
236	RTTESTI_CHECK_RC(RTPipeSelectOne(hPipeW, 0), VINF_SUCCESS);
237	RTTESTI_CHECK_RC(RTPipeSelectOne(hPipeW, 1), VINF_SUCCESS);
238
239	size_t cbWritten = _1G;
240	rc = RTPipeWrite(hPipeW, s_abBuf, sizeof(s_abBuf), &cbWritten);
241	RTTESTI_CHECK(rc == VINF_SUCCESS);
242	}
243
244	RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
245	RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
246	}
247
248	static void tstRTPipe2(void)
249	{
250	RTTestISub("Negative");
251
252	RTPIPE hPipeR = (RTPIPE)1;
253	RTPIPE hPipeW = (RTPIPE)1;
254	RTTESTI_CHECK_RC(RTPipeCreate(&hPipeR, &hPipeW, UINT32_MAX), VERR_INVALID_PARAMETER);
255	RTTESTI_CHECK_RC(RTPipeCreate(NULL, &hPipeW, 0), VERR_INVALID_POINTER);
256	RTTESTI_CHECK_RC(RTPipeCreate(&hPipeR, NULL, 0), VERR_INVALID_POINTER);
257	RTTESTI_CHECK(hPipeR == (RTPIPE)1);
258	RTTESTI_CHECK(hPipeW == (RTPIPE)1);
259
260
261	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
262
263	char abBuf[_4K];
264	size_t cbRead = ~(size_t)3;
265	RTTESTI_CHECK_RC(RTPipeRead(hPipeW, abBuf, 0, &cbRead), VERR_ACCESS_DENIED);
266	RTTESTI_CHECK_RC(RTPipeRead(hPipeW, abBuf, 1, &cbRead), VERR_ACCESS_DENIED);
267	RTTESTI_CHECK(cbRead == ~(size_t)3);
268	RTTESTI_CHECK_RC(RTPipeReadBlocking(hPipeW, abBuf, 0, NULL), VERR_ACCESS_DENIED);
269	RTTESTI_CHECK_RC(RTPipeReadBlocking(hPipeW, abBuf, 1, NULL), VERR_ACCESS_DENIED);
270
271	size_t cbWrite = ~(size_t)5;
272	RTTESTI_CHECK_RC(RTPipeWrite(hPipeR, "asdf", 0, &cbWrite), VERR_ACCESS_DENIED);
273	RTTESTI_CHECK_RC(RTPipeWrite(hPipeR, "asdf", 4, &cbWrite), VERR_ACCESS_DENIED);
274	RTTESTI_CHECK(cbWrite == ~(size_t)5);
275	RTTESTI_CHECK_RC(RTPipeWriteBlocking(hPipeR, "asdf", 0, NULL), VERR_ACCESS_DENIED);
276	RTTESTI_CHECK_RC(RTPipeWriteBlocking(hPipeR, "asdf", 4, NULL), VERR_ACCESS_DENIED);
277
278	RTTESTI_CHECK_RC(RTPipeFlush(hPipeR), VERR_ACCESS_DENIED);
279
280	RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
281	RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
282	}
283
284
285	static void tstRTPipe1(void)
286	{
287	RTTestISub("Basics");
288
289	RTPIPE hPipeR = NIL_RTPIPE;
290	RTPIPE hPipeW = NIL_RTPIPE;
291	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
292	RTTESTI_CHECK_RETV(hPipeR != NIL_RTPIPE);
293	RTTESTI_CHECK_RETV(hPipeW != NIL_RTPIPE);
294	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
295	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
296	RTTESTI_CHECK_RC_RETV(RTPipeClose(NIL_RTPIPE), VINF_SUCCESS);
297
298	hPipeR = NIL_RTPIPE;
299	hPipeW = NIL_RTPIPE;
300	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_READ \| RTPIPE_C_INHERIT_WRITE), VINF_SUCCESS);
301	int rc = RTPipeFlush(hPipeW);
302	RTTESTI_CHECK_MSG(rc == VERR_NOT_SUPPORTED \|\| rc == VINF_SUCCESS, ("%Rrc\n", rc));
303	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
304	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
305
306	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_READ), VINF_SUCCESS);
307	RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeR, 0), VERR_TIMEOUT);
308	RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeR, 1), VERR_TIMEOUT);
309	RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeW, 0), VINF_SUCCESS);
310	RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeW, 1), VINF_SUCCESS);
311	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
312	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
313
314	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_WRITE), VINF_SUCCESS);
315	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
316	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
317
318	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, RTPIPE_C_INHERIT_READ), VINF_SUCCESS);
319
320	size_t cbRead = ~(size_t)0;
321	char abBuf[_64K + _4K];
322	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, sizeof(abBuf), &cbRead), VINF_TRY_AGAIN);
323	RTTESTI_CHECK_RETV(cbRead == 0);
324
325	cbRead = ~(size_t)0;
326	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, 1, &cbRead), VINF_TRY_AGAIN);
327	RTTESTI_CHECK_RETV(cbRead == 0);
328
329	cbRead = ~(size_t)0;
330	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, 0, &cbRead), VINF_SUCCESS);
331	RTTESTI_CHECK_RETV(cbRead == 0);
332
333	size_t cbWritten = ~(size_t)2;
334	RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, abBuf, 0, &cbWritten), VINF_SUCCESS);
335	RTTESTI_CHECK_RETV(cbWritten == 0);
336
337	/* We can write a number of bytes without blocking (see PIPE_BUF on
338	POSIX systems). */
339	cbWritten = ~(size_t)2;
340	RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "42", 2, &cbWritten), VINF_SUCCESS);
341	RTTESTI_CHECK_MSG_RETV(cbWritten == 2, ("cbWritten=%zu\n", cbWritten));
342	cbWritten = ~(size_t)2;
343	RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "!", 1, &cbWritten), VINF_SUCCESS);
344	RTTESTI_CHECK_RETV(cbWritten == 1);
345	cbRead = ~(size_t)0;
346	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, 3, &cbRead), VINF_SUCCESS);
347	RTTESTI_CHECK_RETV(cbRead == 3);
348	RTTESTI_CHECK_RETV(!memcmp(abBuf, "42!", 3));
349
350	cbWritten = ~(size_t)2;
351	RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "BigQ", 4, &cbWritten), VINF_SUCCESS);
352	RTTESTI_CHECK_RETV(cbWritten == 4);
353	RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeR, 0), VINF_SUCCESS);
354	RTTESTI_CHECK_RC_RETV(RTPipeSelectOne(hPipeR, 1), VINF_SUCCESS);
355	cbRead = ~(size_t)0;
356	RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
357	RTTESTI_CHECK_MSG(cbRead == cbWritten, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
358	cbRead = ~(size_t)0;
359	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, sizeof(abBuf), &cbRead), VINF_SUCCESS);
360	RTTESTI_CHECK_RETV(cbRead == 4);
361	RTTESTI_CHECK_RETV(!memcmp(abBuf, "BigQ", 4));
362
363	cbWritten = ~(size_t)2;
364	RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "H2G2", 4, &cbWritten), VINF_SUCCESS);
365	RTTESTI_CHECK_RETV(cbWritten == 4);
366	cbRead = ~(size_t)0;
367	RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
368	RTTESTI_CHECK_MSG(cbRead == cbWritten, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
369	cbRead = ~(size_t)0;
370	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[0], 1, &cbRead), VINF_SUCCESS);
371	RTTESTI_CHECK_RETV(cbRead == 1);
372	cbRead = ~(size_t)0;
373	RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
374	RTTESTI_CHECK_MSG(cbRead == cbWritten - 1, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
375	cbRead = ~(size_t)0;
376	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[1], 1, &cbRead), VINF_SUCCESS);
377	RTTESTI_CHECK_RETV(cbRead == 1);
378	cbRead = ~(size_t)0;
379	RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
380	RTTESTI_CHECK_MSG(cbRead == cbWritten - 2, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
381	cbRead = ~(size_t)0;
382	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[2], 1, &cbRead), VINF_SUCCESS);
383	RTTESTI_CHECK_RETV(cbRead == 1);
384	cbRead = ~(size_t)0;
385	RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
386	RTTESTI_CHECK_MSG(cbRead == cbWritten - 3, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
387	cbRead = ~(size_t)0;
388	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[3], 1, &cbRead), VINF_SUCCESS);
389	RTTESTI_CHECK_RETV(cbRead == 1);
390	RTTESTI_CHECK_RETV(!memcmp(abBuf, "H2G2", 4));
391	cbRead = ~(size_t)0;
392	RTTESTI_CHECK_RC_RETV(RTPipeQueryReadable(hPipeR, &cbRead), VINF_SUCCESS);
393	RTTESTI_CHECK_MSG(cbRead == cbWritten - 4, ("cbRead=%zu cbWritten=%zu\n", cbRead, cbWritten));
394
395	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
396	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
397
398
399	RTTestISub("VERR_BROKEN_PIPE");
400	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
401	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeR), VINF_SUCCESS);
402	cbWritten = ~(size_t)2;
403	RTTESTI_CHECK_RC(RTPipeWrite(hPipeW, "", 0, &cbWritten), VINF_SUCCESS);
404	RTTESTI_CHECK(cbWritten == 0);
405	cbWritten = ~(size_t)2;
406	RTTESTI_CHECK_RC(RTPipeWrite(hPipeW, "4", 1, &cbWritten), VERR_BROKEN_PIPE);
407	RTTESTI_CHECK(cbWritten == ~(size_t)2);
408	RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
409
410	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
411	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
412	cbRead = ~(size_t)0;
413	RTTESTI_CHECK_RC(RTPipeRead(hPipeR, abBuf, 0, &cbRead), VINF_SUCCESS);
414	RTTESTI_CHECK(cbRead == 0);
415	cbRead = ~(size_t)3;
416	RTTESTI_CHECK_RC(RTPipeRead(hPipeR, abBuf, sizeof(abBuf), &cbRead), VERR_BROKEN_PIPE);
417	RTTESTI_CHECK(cbRead == ~(size_t)3);
418	RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
419
420	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
421	cbWritten = ~(size_t)2;
422	RTTESTI_CHECK_RC(RTPipeWrite(hPipeW, "42", 2, &cbWritten), VINF_SUCCESS);
423	RTTESTI_CHECK(cbWritten == 2);
424	RTTESTI_CHECK_RC_RETV(RTPipeClose(hPipeW), VINF_SUCCESS);
425	cbRead = ~(size_t)0;
426	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, 0, &cbRead), VINF_SUCCESS);
427	RTTESTI_CHECK(cbRead == 0);
428	cbRead = ~(size_t)0;
429	RTTESTI_CHECK_RC(RTPipeRead(hPipeR, &abBuf[0], 1, &cbRead), VINF_SUCCESS);
430	RTTESTI_CHECK(cbRead == 1);
431	cbRead = ~(size_t)0;
432	RTTESTI_CHECK_RC(RTPipeRead(hPipeR, &abBuf[1], 1, &cbRead), VINF_SUCCESS);
433	RTTESTI_CHECK(cbRead == 1);
434	RTTESTI_CHECK(!memcmp(abBuf, "42", 2));
435	cbRead = ~(size_t)0;
436	RTTESTI_CHECK_RC(RTPipeRead(hPipeR, abBuf, 0, &cbRead), VINF_SUCCESS);
437	RTTESTI_CHECK(cbRead == 0);
438	cbRead = ~(size_t)3;
439	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, abBuf, sizeof(abBuf), &cbRead), VERR_BROKEN_PIPE);
440	RTTESTI_CHECK(cbRead == ~(size_t)3);
441	RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
442
443	RTTestISub("Blocking");
444	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
445	RTTESTI_CHECK_RC_RETV(RTPipeWrite(hPipeW, "42!", 3, &cbWritten), VINF_SUCCESS);
446	RTTESTI_CHECK(cbWritten == 3);
447	RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, abBuf, 3, NULL), VINF_SUCCESS);
448	RTTESTI_CHECK(!memcmp(abBuf, "42!", 3));
449	RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
450	RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[0], 0, NULL), VINF_SUCCESS);
451	cbRead = ~(size_t)42;
452	RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[0], 0, &cbRead), VINF_SUCCESS);
453	RTTESTI_CHECK(cbRead == 0);
454	RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[0], 1, NULL), VERR_BROKEN_PIPE);
455	cbRead = ~(size_t)42;
456	RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[0], 1, &cbRead), VERR_BROKEN_PIPE);
457	RTTESTI_CHECK(cbRead == 0);
458	RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
459
460	RTTESTI_CHECK_RC_RETV(RTPipeCreate(&hPipeR, &hPipeW, 0), VINF_SUCCESS);
461	RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "42!", 3, NULL), VINF_SUCCESS);
462	RTTESTI_CHECK(cbWritten == 3);
463	cbRead = ~(size_t)0;
464	RTTESTI_CHECK_RC_RETV(RTPipeRead(hPipeR, &abBuf[0], 1, &cbRead), VINF_SUCCESS);
465	RTTESTI_CHECK(cbRead == 1);
466	RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[1], 1, NULL), VINF_SUCCESS);
467	RTTESTI_CHECK_RC_RETV(RTPipeReadBlocking(hPipeR, &abBuf[2], 1, NULL), VINF_SUCCESS);
468	RTTESTI_CHECK(!memcmp(abBuf, "42!", 3));
469	RTTESTI_CHECK_RC(RTPipeClose(hPipeR), VINF_SUCCESS);
470	RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "", 0, NULL), VINF_SUCCESS);
471	cbWritten = ~(size_t)9;
472	RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "", 0, &cbWritten), VINF_SUCCESS);
473	RTTESTI_CHECK(cbWritten == 0);
474	RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "42", 2, NULL), VERR_BROKEN_PIPE);
475	cbWritten = ~(size_t)9;
476	RTTESTI_CHECK_RC_RETV(RTPipeWriteBlocking(hPipeW, "42", 2, &cbWritten), VERR_BROKEN_PIPE);
477	RTTESTI_CHECK(cbWritten == 0);
478	RTTESTI_CHECK_RC(RTPipeClose(hPipeW), VINF_SUCCESS);
479	}
480
481	int main(int argc, char **argv)
482	{
483	if (argc == 3 && !strcmp(argv[1], "--child-4"))
484	return tstRTPipe4Child(argv[2]);
485	if (argc == 3 && !strcmp(argv[1], "--child-5"))
486	return tstRTPipe5Child(argv[2]);
487
488	RTTEST hTest;
489	int rc = RTTestInitAndCreate("tstRTPipe", &hTest);
490	if (rc)
491	return rc;
492	RTTestBanner(hTest);
493
494	/*
495	* The tests.
496	*/
497	tstRTPipe1();
498	if (RTTestErrorCount(hTest) == 0)
499	{
500	bool fMayPanic = RTAssertMayPanic();
501	bool fQuiet = RTAssertAreQuiet();
502	RTAssertSetMayPanic(false);
503	RTAssertSetQuiet(true);
504	tstRTPipe2();
505	RTAssertSetQuiet(fQuiet);
506	RTAssertSetMayPanic(fMayPanic);
507
508	tstRTPipe3();
509	tstRTPipe4();
510	tstRTPipe5();
511	}
512
513	/*
514	* Summary.
515	*/
516	return RTTestSummaryAndDestroy(hTest);
517	}
518

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source: vbox/trunk/src/VBox/Runtime/testcase/tstRTPipe.cpp@ 94130

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