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testrecurse: Start to test entity expansion stats

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This commit is contained in:
Nick Wellnhofer 2022-12-21 05:13:23 +01:00
parent ce76ebfd13
commit 583cd2f64b
1 changed files with 55 additions and 25 deletions
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80
testrecurse.c
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@ -17,11 +17,9 @@
#include <sys/stat.h>
#include <libxml/parser.h>
#include <libxml/parserInternals.h>
#include <libxml/tree.h>
#include <libxml/uri.h>
#ifdef LIBXML_READER_ENABLED
#include <libxml/xmlreader.h>
#endif
/*
* O_BINARY is just for Windows compatibility - if it isn't defined
@ -161,7 +159,8 @@ static const char *start = "<!DOCTYPE foo [\
<foo>";
static const char *segment =
" <bar>&e; &f; &d;</bar>\n"
" <bar attr='&e; &f; &d;'>&e; &f; &d;</bar>\n"
" <text>_123456789_123456789_123456789_123456789</text>\n"
" <text>_123456789_123456789_123456789_123456789</text>\n";
static const char *finish = "</foo>";
@ -216,7 +215,7 @@ hugeClose(void * context) {
return(0);
}
#define MAX_NODES 1000000
#define MAX_NODES 20000
/**
* hugeRead:
@ -244,12 +243,9 @@ hugeRead(void *context, char *buffer, int len)
memcpy(buffer, current, len);
curseg ++;
if (curseg == MAX_NODES) {
fprintf(stderr, "\n");
rlen = strlen(finish);
current = finish;
} else {
if (curseg % (MAX_NODES / 10) == 0)
fprintf(stderr, ".");
rlen = strlen(segment);
current = segment;
}
@ -735,7 +731,6 @@ notRecursiveDetectTest(const char *filename,
return(res);
}
#ifdef LIBXML_READER_ENABLED
/**
* notRecursiveHugeTest:
* @filename: the file to parse
@ -752,31 +747,66 @@ notRecursiveHugeTest(const char *filename ATTRIBUTE_UNUSED,
const char *result ATTRIBUTE_UNUSED,
const char *err ATTRIBUTE_UNUSED,
int options ATTRIBUTE_UNUSED) {
xmlTextReaderPtr reader;
xmlParserCtxtPtr ctxt;
xmlDocPtr doc;
int res = 0;
int ret;
nb_tests++;
reader = xmlReaderForFile("huge:test" , NULL,
XML_PARSE_NOENT | XML_PARSE_DTDLOAD);
if (reader == NULL) {
fprintf(stderr, "Failed to open huge:test\n");
return(1);
}
ret = xmlTextReaderRead(reader);
while (ret == 1) {
ret = xmlTextReaderRead(reader);
}
if (ret != 0) {
fprintf(stderr, "Failed to parser huge:test with entities\n");
ctxt = xmlNewParserCtxt();
doc = xmlCtxtReadFile(ctxt, "huge:text", NULL,
XML_PARSE_NOENT | XML_PARSE_DTDLOAD);
if (doc == NULL) {
fprintf(stderr, "Failed to parse huge:test with entities\n");
res = 1;
} else {
xmlEntityPtr ent;
unsigned long fixed_cost = 50;
unsigned long f_size = xmlStrlen(BAD_CAST "some internal data");
unsigned long e_size;
unsigned long d_size;
unsigned long total_size;
ent = xmlGetDocEntity(doc, BAD_CAST "e");
e_size = f_size * 2 +
xmlStrlen(BAD_CAST "&f;") * 2 +
fixed_cost * 2;
if (ent->expandedSize != e_size) {
fprintf(stderr, "Wrong size for entity e: %lu (expected %lu)\n",
ent->expandedSize, e_size);
res = 1;
}
ent = xmlGetDocEntity(doc, BAD_CAST "d");
d_size = e_size * 2 +
xmlStrlen(BAD_CAST "&e;") * 2 +
fixed_cost * 2;
if (ent->expandedSize != d_size) {
fprintf(stderr, "Wrong size for entity d: %lu (expected %lu)\n",
ent->expandedSize, d_size);
res = 1;
}
if (ctxt->sizeentcopy < XML_MAX_TEXT_LENGTH) {
fprintf(stderr, "Total entity size too small: %lu\n",
ctxt->sizeentcopy);
res = 1;
}
total_size = (f_size + e_size + d_size + 3 * fixed_cost) *
(MAX_NODES - 1) * 2;
if (ctxt->sizeentcopy != total_size) {
fprintf(stderr, "Wrong total entity size: %lu (expected %lu)\n",
ctxt->sizeentcopy, total_size);
res = 1;
}
}
xmlFreeTextReader(reader);
xmlFreeDoc(doc);
xmlFreeParserCtxt(ctxt);
return(res);
}
#endif
/************************************************************************
* *