testchar.c@ 105681

最後變更在這個檔案從105681是 105420,由 vboxsync 提交於 4 月前
libxml2-2.12.6: Applied and adjusted our libxml2 changes to 2.12.6. bugref:10730
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1	/**
2	* Test the UTF-8 decoding routines
3	*
4	* author: Daniel Veillard
5	* copy: see Copyright for the status of this software.
6	*/
7
8	#define XML_DEPRECATED
9
10	#include <stdio.h>
11	#include <string.h>
12	#include <libxml/tree.h>
13	#include <libxml/parser.h>
14	#include <libxml/parserInternals.h>
15
16	int lastError;
17
18	static void errorHandler(void unused, const xmlError err) {
19	if ((unused == NULL) && (err != NULL) && (lastError == 0)) {
20	lastError = err->code;
21	}
22	}
23
24	char document1[100] = "<doc>XXXX</doc>";
25	char document2[100] = "<doc foo='XXXX'/>";
26
27	static int testDocumentRangeByte1(xmlParserCtxtPtr ctxt, char *document,
28	int len, char *data, int forbid1, int forbid2) {
29	int i;
30	xmlDocPtr res;
31
32	for (i = 0;i <= 0xFF;i++) {
33	lastError = 0;
34	xmlCtxtReset(ctxt);
35
36	data[0] = (char) i;
37
38	res = xmlReadMemory(document, len, "test", NULL, 0);
39
40	if ((i == forbid1) \|\| (i == forbid2)) {
41	if ((lastError == 0) \|\| (res != NULL)) {
42	fprintf(stderr,
43	"Failed to detect invalid char for Byte 0x%02X: %c\n",
44	i, i);
45	return(1);
46	}
47	}
48
49	else if ((i == '<') \|\| (i == '&')) {
50	if ((lastError == 0) \|\| (res != NULL)) {
51	fprintf(stderr,
52	"Failed to detect illegal char %c for Byte 0x%02X\n", i, i);
53	return(1);
54	}
55	}
56	else if (((i < 0x20) \|\| (i >= 0x80)) &&
57	(i != 0x9) && (i != 0xA) && (i != 0xD)) {
58	if ((lastError != XML_ERR_INVALID_CHAR) && (res != NULL)) {
59	fprintf(stderr,
60	"Failed to detect invalid char for Byte 0x%02X\n", i);
61	return(1);
62	}
63	}
64	else if (res == NULL) {
65	fprintf(stderr,
66	"Failed to parse valid char for Byte 0x%02X : %c\n", i, i);
67	return(1);
68	}
69	if (res != NULL)
70	xmlFreeDoc(res);
71	}
72	return(0);
73	}
74
75	static int testDocumentRangeByte2(xmlParserCtxtPtr ctxt, char *document,
76	int len, char *data) {
77	int i, j;
78	xmlDocPtr res;
79
80	for (i = 0x80;i <= 0xFF;i++) {
81	for (j = 0;j <= 0xFF;j++) {
82	lastError = 0;
83	xmlCtxtReset(ctxt);
84
85	data[0] = (char) i;
86	data[1] = (char) j;
87
88	res = xmlReadMemory(document, len, "test", NULL, 0);
89
90	/* if first bit of first char is set, then second bit must too */
91	if ((i & 0x80) && ((i & 0x40) == 0)) {
92	if ((lastError == 0) \|\| (res != NULL)) {
93	fprintf(stderr,
94	"Failed to detect invalid char for Bytes 0x%02X 0x%02X\n",
95	i, j);
96	return(1);
97	}
98	}
99
100	/*
101	* if first bit of first char is set, then second char first
102	* bits must be 10
103	*/
104	else if ((i & 0x80) && ((j & 0xC0) != 0x80)) {
105	if ((lastError == 0) \|\| (res != NULL)) {
106	fprintf(stderr,
107	"Failed to detect invalid char for Bytes 0x%02X 0x%02X\n",
108	i, j);
109	return(1);
110	}
111	}
112
113	/*
114	* if using a 2 byte encoding then the value must be greater
115	* than 0x80, i.e. one of bits 5 to 1 of i must be set
116	*/
117	else if ((i & 0x80) && ((i & 0x1E) == 0)) {
118	if ((lastError == 0) \|\| (res != NULL)) {
119	fprintf(stderr,
120	"Failed to detect invalid char for Bytes 0x%02X 0x%02X\n",
121	i, j);
122	return(1);
123	}
124	}
125
126	/*
127	* if third bit of first char is set, then the sequence would need
128	* at least 3 bytes, but we give only 2 !
129	*/
130	else if ((i & 0xE0) == 0xE0) {
131	if ((lastError == 0) \|\| (res != NULL)) {
132	fprintf(stderr,
133	"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x00\n",
134	i, j);
135	return(1);
136	}
137	}
138
139	/*
140	* We should see no error in remaining cases
141	*/
142	else if ((lastError != 0) \|\| (res == NULL)) {
143	fprintf(stderr,
144	"Failed to parse document for Bytes 0x%02X 0x%02X\n", i, j);
145	return(1);
146	}
147	if (res != NULL)
148	xmlFreeDoc(res);
149	}
150	}
151	return(0);
152	}
153
154	/**
155	* testDocumentRanges:
156	*
157	* Test the correct UTF8 character parsing in context of XML documents
158	* Those are in-context injection tests checking the parser behaviour on
159	* edge case values at different point in content, beginning and end of
160	* CDATA in text or in attribute values.
161	*/
162
163	static int testDocumentRanges(void) {
164	xmlParserCtxtPtr ctxt;
165	char *data;
166	int test_ret = 0;
167
168	/*
169	* Set up a parsing context using the first document as
170	* the current input source.
171	*/
172	ctxt = xmlNewParserCtxt();
173	if (ctxt == NULL) {
174	fprintf(stderr, "Failed to allocate parser context\n");
175	return(1);
176	}
177
178	printf("testing 1 byte char in document: 1");
179	fflush(stdout);
180	data = &document1[5];
181	data[0] = ' ';
182	data[1] = ' ';
183	data[2] = ' ';
184	data[3] = ' ';
185	/* test 1 byte injection at beginning of area */
186	test_ret += testDocumentRangeByte1(ctxt, &document1[0], strlen(document1),
187	data, -1, -1);
188	printf(" 2");
189	fflush(stdout);
190	data[0] = ' ';
191	data[1] = ' ';
192	data[2] = ' ';
193	data[3] = ' ';
194	/* test 1 byte injection at end of area */
195	test_ret += testDocumentRangeByte1(ctxt, &document1[0], strlen(document1),
196	data + 3, -1, -1);
197
198	printf(" 3");
199	fflush(stdout);
200	data = &document2[10];
201	data[0] = ' ';
202	data[1] = ' ';
203	data[2] = ' ';
204	data[3] = ' ';
205	/* test 1 byte injection at beginning of area */
206	test_ret += testDocumentRangeByte1(ctxt, &document2[0], strlen(document2),
207	data, '\'', -1);
208	printf(" 4");
209	fflush(stdout);
210	data[0] = ' ';
211	data[1] = ' ';
212	data[2] = ' ';
213	data[3] = ' ';
214	/* test 1 byte injection at end of area */
215	test_ret += testDocumentRangeByte1(ctxt, &document2[0], strlen(document2),
216	data + 3, '\'', -1);
217	printf(" done\n");
218
219	printf("testing 2 byte char in document: 1");
220	fflush(stdout);
221	data = &document1[5];
222	data[0] = ' ';
223	data[1] = ' ';
224	data[2] = ' ';
225	data[3] = ' ';
226	/* test 2 byte injection at beginning of area */
227	test_ret += testDocumentRangeByte2(ctxt, &document1[0], strlen(document1),
228	data);
229	printf(" 2");
230	fflush(stdout);
231	data[0] = ' ';
232	data[1] = ' ';
233	data[2] = ' ';
234	data[3] = ' ';
235	/* test 2 byte injection at end of area */
236	test_ret += testDocumentRangeByte2(ctxt, &document1[0], strlen(document1),
237	data + 2);
238
239	printf(" 3");
240	fflush(stdout);
241	data = &document2[10];
242	data[0] = ' ';
243	data[1] = ' ';
244	data[2] = ' ';
245	data[3] = ' ';
246	/* test 2 byte injection at beginning of area */
247	test_ret += testDocumentRangeByte2(ctxt, &document2[0], strlen(document2),
248	data);
249	printf(" 4");
250	fflush(stdout);
251	data[0] = ' ';
252	data[1] = ' ';
253	data[2] = ' ';
254	data[3] = ' ';
255	/* test 2 byte injection at end of area */
256	test_ret += testDocumentRangeByte2(ctxt, &document2[0], strlen(document2),
257	data + 2);
258	printf(" done\n");
259
260	xmlFreeParserCtxt(ctxt);
261	return(test_ret);
262	}
263
264	static int
265	testCurrentChar(xmlParserCtxtPtr ctxt, int *len) {
266	const xmlChar *oldcur;
267	int c, err, len2;
268
269	lastError = 0;
270	c = xmlCurrentChar(ctxt, len);
271	ctxt->input->flags = 0;
272	err = lastError;
273
274	oldcur = ctxt->input->cur;
275	lastError = 0;
276	xmlNextChar(ctxt);
277	ctxt->input->flags = 0;
278	len2 = ctxt->input->cur - oldcur;
279	ctxt->input->cur = oldcur;
280
281	if ((*ctxt->input->cur != 0) && (err != lastError)) {
282	fprintf(stderr, "xmlCurrentChar and xmlNextChar report different "
283	"errors: %d %d\n", err, lastError);
284	return(-1);
285	}
286
287	if ((err == 0) && (*len != len2)) {
288	fprintf(stderr, "xmlCurrentChar and xmlNextChar report different "
289	"lengths: %d %d\n", *len, len2);
290	return(-1);
291	}
292
293	lastError = err;
294
295	return(c);
296	}
297
298	static int testCharRangeByte1(xmlParserCtxtPtr ctxt) {
299	int i = 0;
300	int len, c;
301	char data = (char ) ctxt->input->cur;
302
303	data[1] = 0;
304	data[2] = 0;
305	data[3] = 0;
306	for (i = 0;i <= 0xFF;i++) {
307	data[0] = (char) i;
308	ctxt->nbErrors = 0;
309
310	c = testCurrentChar(ctxt, &len);
311	if (c < 0)
312	continue;
313	if (i >= 0x80) {
314	/* we must see an error there */
315	if (lastError != XML_ERR_INVALID_ENCODING) {
316	fprintf(stderr,
317	"Failed to detect invalid char for Byte 0x%02X\n", i);
318	return(1);
319	}
320	} else if (i == 0xD) {
321	if ((c != 0xA) \|\| (len != 1)) {
322	fprintf(stderr, "Failed to convert char for Byte 0x%02X\n", i);
323	return(1);
324	}
325	} else if ((c != i) \|\| (len != 1)) {
326	fprintf(stderr, "Failed to parse char for Byte 0x%02X\n", i);
327	return(1);
328	}
329	}
330	return(0);
331	}
332
333	static int testCharRangeByte2(xmlParserCtxtPtr ctxt) {
334	int i, j;
335	int len, c;
336	char data = (char ) ctxt->input->cur;
337
338	data[2] = 0;
339	data[3] = 0;
340	for (i = 0x80;i <= 0xFF;i++) {
341	for (j = 0;j <= 0xFF;j++) {
342	data[0] = (char) i;
343	data[1] = (char) j;
344	ctxt->nbErrors = 0;
345
346	c = testCurrentChar(ctxt, &len);
347	if (c < 0)
348	continue;
349
350	/* if first bit of first char is set, then second bit must too */
351	if ((i & 0x80) && ((i & 0x40) == 0)) {
352	if (lastError != XML_ERR_INVALID_ENCODING) {
353	fprintf(stderr,
354	"Failed to detect invalid char for Bytes 0x%02X 0x%02X\n",
355	i, j);
356	return(1);
357	}
358	}
359
360	/*
361	* if first bit of first char is set, then second char first
362	* bits must be 10
363	*/
364	else if ((i & 0x80) && ((j & 0xC0) != 0x80)) {
365	if (lastError != XML_ERR_INVALID_ENCODING) {
366	fprintf(stderr,
367	"Failed to detect invalid char for Bytes 0x%02X 0x%02X: %d\n",
368	i, j, c);
369	return(1);
370	}
371	}
372
373	/*
374	* if using a 2 byte encoding then the value must be greater
375	* than 0x80, i.e. one of bits 5 to 1 of i must be set
376	*/
377	else if ((i & 0x80) && ((i & 0x1E) == 0)) {
378	if (lastError != XML_ERR_INVALID_ENCODING) {
379	fprintf(stderr,
380	"Failed to detect invalid char for Bytes 0x%02X 0x%02X: %d\n",
381	i, j, c);
382	return(1);
383	}
384	}
385
386	/*
387	* if third bit of first char is set, then the sequence would need
388	* at least 3 bytes, but we give only 2 !
389	*/
390	else if ((i & 0xE0) == 0xE0) {
391	if (lastError != XML_ERR_INVALID_ENCODING) {
392	fprintf(stderr,
393	"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x00\n",
394	i, j);
395	return(1);
396	}
397	}
398
399	/*
400	* We should see no error in remaining cases
401	*/
402	else if ((lastError != 0) \|\| (len != 2)) {
403	fprintf(stderr,
404	"Failed to parse char for Bytes 0x%02X 0x%02X\n", i, j);
405	return(1);
406	}
407
408	/*
409	* Finally check the value is right
410	*/
411	else if (c != (j & 0x3F) + ((i & 0x1F) << 6)) {
412	fprintf(stderr,
413	"Failed to parse char for Bytes 0x%02X 0x%02X: expect %d got %d\n",
414	i, j, ((j & 0x3F) + ((i & 0x1F) << 6)), c);
415	return(1);
416	}
417	}
418	}
419	return(0);
420	}
421
422	static int testCharRangeByte3(xmlParserCtxtPtr ctxt) {
423	int i, j, k, K;
424	int len, c;
425	unsigned char lows[6] = {0, 0x80, 0x81, 0xC1, 0xFF, 0xBF};
426	char data = (char ) ctxt->input->cur;
427	int value;
428
429	data[3] = 0;
430	for (i = 0xE0;i <= 0xFF;i++) {
431	for (j = 0;j <= 0xFF;j++) {
432	for (k = 0;k < 6;k++) {
433	data[0] = (char) i;
434	data[1] = (char) j;
435	K = lows[k];
436	data[2] = (char) K;
437	value = (K & 0x3F) + ((j & 0x3F) << 6) + ((i & 0xF) << 12);
438	ctxt->nbErrors = 0;
439
440	c = testCurrentChar(ctxt, &len);
441	if (c < 0)
442	continue;
443
444	/*
445	* if fourth bit of first char is set, then the sequence would need
446	* at least 4 bytes, but we give only 3 !
447	*/
448	if ((i & 0xF0) == 0xF0) {
449	if (lastError != XML_ERR_INVALID_ENCODING) {
450	fprintf(stderr,
451	"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
452	i, j, K, data[3]);
453	return(1);
454	}
455	}
456
457	/*
458	* The second and the third bytes must start with 10
459	*/
460	else if (((j & 0xC0) != 0x80) \|\| ((K & 0xC0) != 0x80)) {
461	if (lastError != XML_ERR_INVALID_ENCODING) {
462	fprintf(stderr,
463	"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X\n",
464	i, j, K);
465	return(1);
466	}
467	}
468
469	/*
470	* if using a 3 byte encoding then the value must be greater
471	* than 0x800, i.e. one of bits 4 to 0 of i must be set or
472	* the 6th byte of data[1] must be set
473	*/
474	else if (((i & 0xF) == 0) && ((j & 0x20) == 0)) {
475	if (lastError != XML_ERR_INVALID_ENCODING) {
476	fprintf(stderr,
477	"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X\n",
478	i, j, K);
479	return(1);
480	}
481	}
482
483	/*
484	* There are values that are not allowed in UTF-8
485	*/
486	else if ((value > 0xD7FF) && (value <0xE000)) {
487	if (lastError != XML_ERR_INVALID_ENCODING) {
488	fprintf(stderr,
489	"Failed to detect invalid char 0x%04X for Bytes 0x%02X 0x%02X 0x%02X\n",
490	value, i, j, K);
491	return(1);
492	}
493	}
494
495	/*
496	* We should see no error in remaining cases
497	*/
498	else if ((lastError != 0) \|\| (len != 3)) {
499	fprintf(stderr,
500	"Failed to parse char for Bytes 0x%02X 0x%02X 0x%02X\n",
501	i, j, K);
502	return(1);
503	}
504
505	/*
506	* Finally check the value is right
507	*/
508	else if (c != value) {
509	fprintf(stderr,
510	"Failed to parse char for Bytes 0x%02X 0x%02X 0x%02X: expect %d got %d\n",
511	i, j, data[2], value, c);
512	return(1);
513	}
514	}
515	}
516	}
517	return(0);
518	}
519
520	static int testCharRangeByte4(xmlParserCtxtPtr ctxt) {
521	int i, j, k, K, l, L;
522	int len, c;
523	unsigned char lows[6] = {0, 0x80, 0x81, 0xC1, 0xFF, 0xBF};
524	char data = (char ) ctxt->input->cur;
525	int value;
526
527	data[4] = 0;
528	for (i = 0xF0;i <= 0xFF;i++) {
529	for (j = 0;j <= 0xFF;j++) {
530	for (k = 0;k < 6;k++) {
531	for (l = 0;l < 6;l++) {
532	data[0] = (char) i;
533	data[1] = (char) j;
534	K = lows[k];
535	data[2] = (char) K;
536	L = lows[l];
537	data[3] = (char) L;
538	value = (L & 0x3F) + ((K & 0x3F) << 6) + ((j & 0x3F) << 12) +
539	((i & 0x7) << 18);
540	ctxt->nbErrors = 0;
541
542	c = testCurrentChar(ctxt, &len);
543	if (c < 0)
544	continue;
545
546	/*
547	* if fifth bit of first char is set, then the sequence would need
548	* at least 5 bytes, but we give only 4 !
549	*/
550	if ((i & 0xF8) == 0xF8) {
551	if (lastError != XML_ERR_INVALID_ENCODING) {
552	fprintf(stderr,
553	"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
554	i, j, K, data[3]);
555	return(1);
556	}
557	}
558
559	/*
560	* The second, third and fourth bytes must start with 10
561	*/
562	else if (((j & 0xC0) != 0x80) \|\| ((K & 0xC0) != 0x80) \|\|
563	((L & 0xC0) != 0x80)) {
564	if (lastError != XML_ERR_INVALID_ENCODING) {
565	fprintf(stderr,
566	"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
567	i, j, K, L);
568	return(1);
569	}
570	}
571
572	/*
573	* if using a 3 byte encoding then the value must be greater
574	* than 0x10000, i.e. one of bits 3 to 0 of i must be set or
575	* the 6 or 5th byte of j must be set
576	*/
577	else if (((i & 0x7) == 0) && ((j & 0x30) == 0)) {
578	if (lastError != XML_ERR_INVALID_ENCODING) {
579	fprintf(stderr,
580	"Failed to detect invalid char for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
581	i, j, K, L);
582	return(1);
583	}
584	}
585
586	/*
587	* There are values in that are not allowed in UTF-8
588	*/
589	else if (((value > 0xD7FF) && (value < 0xE000)) \|\|
590	(value > 0x10FFFF)) {
591	if (lastError != XML_ERR_INVALID_ENCODING) {
592	fprintf(stderr,
593	"Failed to detect invalid char 0x%04X for Bytes 0x%02X 0x%02X 0x%02X 0x%02X\n",
594	value, i, j, K, L);
595	return(1);
596	}
597	}
598
599	/*
600	* We should see no error in remaining cases
601	*/
602	else if ((lastError != 0) \|\| (len != 4)) {
603	fprintf(stderr,
604	"Failed to parse char for Bytes 0x%02X 0x%02X 0x%02X\n",
605	i, j, K);
606	return(1);
607	}
608
609	/*
610	* Finally check the value is right
611	*/
612	else if (c != value) {
613	fprintf(stderr,
614	"Failed to parse char for Bytes 0x%02X 0x%02X 0x%02X: expect %d got %d\n",
615	i, j, data[2], value, c);
616	return(1);
617	}
618	}
619	}
620	}
621	}
622	return(0);
623	}
624
625	/**
626	* testCharRanges:
627	*
628	* Test the correct UTF8 character parsing in isolation i.e.
629	* not when parsing a full document, this is less expensive and we can
630	* cover the full range of UTF-8 chars accepted by XML-1.0
631	*/
632
633	static int testCharRanges(void) {
634	char data[5];
635	xmlParserCtxtPtr ctxt;
636	xmlParserInputBufferPtr buf;
637	xmlParserInputPtr input;
638	int test_ret = 0;
639
640	memset(data, 0, 5);
641
642	/*
643	* Set up a parsing context using the above data buffer as
644	* the current input source.
645	*/
646	ctxt = xmlNewParserCtxt();
647	if (ctxt == NULL) {
648	fprintf(stderr, "Failed to allocate parser context\n");
649	return(1);
650	}
651	buf = xmlParserInputBufferCreateStatic(data, sizeof(data),
652	XML_CHAR_ENCODING_NONE);
653	if (buf == NULL) {
654	fprintf(stderr, "Failed to allocate input buffer\n");
655	test_ret = 1;
656	goto error;
657	}
658	input = xmlNewInputStream(ctxt);
659	if (input == NULL) {
660	xmlFreeParserInputBuffer(buf);
661	test_ret = 1;
662	goto error;
663	}
664	input->filename = NULL;
665	input->buf = buf;
666	input->cur =
667	input->base = xmlBufContent(input->buf->buffer);
668	input->end = input->base + 4;
669	inputPush(ctxt, input);
670
671	printf("testing char range: 1");
672	fflush(stdout);
673	test_ret += testCharRangeByte1(ctxt);
674	printf(" 2");
675	fflush(stdout);
676	test_ret += testCharRangeByte2(ctxt);
677	printf(" 3");
678	fflush(stdout);
679	test_ret += testCharRangeByte3(ctxt);
680	printf(" 4");
681	fflush(stdout);
682	test_ret += testCharRangeByte4(ctxt);
683	printf(" done\n");
684	fflush(stdout);
685
686	error:
687	xmlFreeParserCtxt(ctxt);
688	return(test_ret);
689	}
690
691	static int
692	testUserEncoding(void) {
693	/*
694	* Create a document encoded as UTF-16LE with an ISO-8859-1 encoding
695	* declaration, then parse it with xmlReadMemory and the encoding
696	* argument set to UTF-16LE.
697	*/
698	xmlDocPtr doc = NULL;
699	const char *start = "<?xml version='1.0' encoding='ISO-8859-1'?><d>";
700	const char *end = "</d>";
701	char *buf = NULL;
702	xmlChar *text;
703	int startSize = strlen(start);
704	int textSize = 100000; /* Make sure to exceed internal buffer sizes. */
705	int endSize = strlen(end);
706	int totalSize = startSize + textSize + endSize;
707	int k = 0;
708	int i;
709	int ret = 1;
710
711	buf = xmlMalloc(2 * totalSize);
712	for (i = 0; start[i] != 0; i++) {
713	buf[k++] = start[i];
714	buf[k++] = 0;
715	}
716	for (i = 0; i < textSize; i++) {
717	buf[k++] = 'x';
718	buf[k++] = 0;
719	}
720	for (i = 0; end[i] != 0; i++) {
721	buf[k++] = end[i];
722	buf[k++] = 0;
723	}
724
725	doc = xmlReadMemory(buf, 2 * totalSize, NULL, "UTF-16LE", 0);
726	if (doc == NULL) {
727	fprintf(stderr, "failed to parse document\n");
728	goto error;
729	}
730
731	text = doc->children->children->content;
732	for (i = 0; i < textSize; i++) {
733	if (text[i] != 'x') {
734	fprintf(stderr, "text node has wrong content at offset %d\n", k);
735	goto error;
736	}
737	}
738
739	ret = 0;
740
741	error:
742	xmlFreeDoc(doc);
743	xmlFree(buf);
744
745	return ret;
746	}
747
748	#if defined(LIBXML_PUSH_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)
749
750	static char *
751	convert(xmlCharEncodingHandlerPtr handler, const char *utf8, int size,
752	int *outSize) {
753	char *ret;
754	int inlen;
755	int res;
756
757	inlen = size;
758	outSize = size 2;
759	ret = xmlMalloc(*outSize);
760	if (ret == NULL)
761	return(NULL);
762	res = handler->output(BAD_CAST ret, outSize, BAD_CAST utf8, &inlen);
763	if ((res < 0) \|\| (inlen != size)) {
764	xmlFree(ret);
765	return(NULL);
766	}
767
768	return(ret);
769	}
770
771	static int
772	testUserEncodingPush(void) {
773	xmlCharEncodingHandlerPtr handler;
774	xmlParserCtxtPtr ctxt;
775	xmlDocPtr doc;
776	char buf[] =
777	"\xEF\xBB\xBF"
778	"<?xml version='1.0' encoding='ISO-8859-1'?>\n"
779	"<d>text</d>\n";
780	char *utf16;
781	int utf16Size;
782	int ret = 1;
783
784	handler = xmlGetCharEncodingHandler(XML_CHAR_ENCODING_UTF16LE);
785	utf16 = convert(handler, buf, sizeof(buf) - 1, &utf16Size);
786	ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
787	xmlSwitchEncoding(ctxt, XML_CHAR_ENCODING_UTF16LE);
788	xmlParseChunk(ctxt, utf16, utf16Size, 0);
789	xmlParseChunk(ctxt, NULL, 0, 1);
790	doc = ctxt->myDoc;
791
792	if ((doc != NULL) &&
793	(doc->children != NULL) &&
794	(doc->children->children != NULL) &&
795	(xmlStrcmp(doc->children->children->content, BAD_CAST "text") == 0))
796	ret = 0;
797
798	xmlFreeDoc(doc);
799	xmlFreeParserCtxt(ctxt);
800	xmlFree(utf16);
801
802	return(ret);
803	}
804
805	static int
806	testUTF8Chunks(void) {
807	xmlParserCtxtPtr ctxt;
808	xmlChar *out;
809	int outSize;
810	char *buf;
811	int i;
812	int ret = 0;
813
814	ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
815
816	xmlParseChunk(ctxt, "<d>", 3, 0);
817	xmlParseChunk(ctxt, "\xF0", 1, 0);
818	xmlParseChunk(ctxt, "\x9F", 1, 0);
819	xmlParseChunk(ctxt, "\x98", 1, 0);
820	xmlParseChunk(ctxt, "\x8A", 1, 0);
821	xmlParseChunk(ctxt, "</d>", 4, 1);
822
823	xmlDocDumpMemory(ctxt->myDoc, &out, &outSize);
824	if (strcmp((char *) out,
825	"<?xml version=\"1.0\"?>\n<d>😊</d>\n") != 0) {
826	fprintf(stderr, "failed UTF-8 chunk test 1\n");
827	ret += 1;
828	}
829
830	xmlFree(out);
831	xmlFreeDoc(ctxt->myDoc);
832	xmlFreeParserCtxt(ctxt);
833
834	ctxt = xmlCreatePushParserCtxt(NULL, NULL, NULL, 0, NULL);
835
836	xmlParseChunk(ctxt, "<d>", 3, 0);
837
838	/*
839	* Create a chunk longer than XML_PARSER_BIG_BUFFER_SIZE (300) ending
840	* with an incomplete UTF-8 sequence.
841	*/
842	buf = xmlMalloc(1000 * 2 + 1);
843	for (i = 0; i < 2000; i += 2)
844	memcpy(buf + i, "\xCE\xB1", 2);
845	buf[i] = '\xCE';
846	xmlParseChunk(ctxt, buf, 2001, 0);
847	xmlFree(buf);
848
849	xmlParseChunk(ctxt, "\xB1</d>", 4, 0);
850	xmlParseChunk(ctxt, NULL, 0, 0);
851
852	xmlDocDumpMemory(ctxt->myDoc, &out, &outSize);
853	if (strncmp((char *) out, "<?xml version=\"1.0\"?>\n<d>", 25) != 0) {
854	fprintf(stderr, "failed UTF-8 chunk test 2-1\n");
855	ret += 1;
856	goto error;
857	}
858	for (i = 25; i < 25 + 1001 * 7; i += 7) {
859	if (memcmp(out + i, "α", 7) != 0) {
860	fprintf(stderr, "failed UTF-8 chunk test 2-2 %d\n", i);
861	ret += 1;
862	goto error;
863	}
864	}
865	if (strcmp((char *) out + i, "</d>\n") != 0) {
866	fprintf(stderr, "failed UTF-8 chunk test 2-3\n");
867	ret += 1;
868	goto error;
869	}
870
871	error:
872	xmlFree(out);
873	xmlFreeDoc(ctxt->myDoc);
874	xmlFreeParserCtxt(ctxt);
875
876	return(ret);
877	return(0);
878	}
879
880	#endif
881
882	int main(void) {
883
884	int ret = 0;
885
886	/*
887	* this initialize the library and check potential ABI mismatches
888	* between the version it was compiled for and the actual shared
889	* library used.
890	*/
891	LIBXML_TEST_VERSION
892
893	/*
894	* Catch errors separately
895	*/
896
897	xmlSetStructuredErrorFunc(NULL, errorHandler);
898
899	/*
900	* Run the tests
901	*/
902	ret += testCharRanges();
903	ret += testDocumentRanges();
904	ret += testUserEncoding();
905	#if defined(LIBXML_PUSH_ENABLED) && defined(LIBXML_OUTPUT_ENABLED)
906	ret += testUserEncodingPush();
907	ret += testUTF8Chunks();
908	#endif
909
910	/*
911	* Cleanup function for the XML library.
912	*/
913	xmlCleanupParser();
914	return(ret ? 1 : 0);
915	}

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source: vbox/trunk/src/libs/libxml2-2.13.2/testchar.c@ 105681

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