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test/regress: add tests for evbuffer_add() breakage on empty last chain

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The evbuffer/add* tests currenly break on 2.0.21, 2.0.22 and 2.1 HEAD
due to issue #335. The evbuffer/reference2 test breaks on 2.0.21 and
2.0.22 due to commit b18c04dd not being applied.
This commit is contained in:
Marcus Sundberg 2016-03-26 14:14:44 +01:00
parent a4a7c1aedd
commit 0091da360a
1 changed files with 87 additions and 0 deletions
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87
test/regress_buffer.c
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@ -564,6 +564,60 @@ end:
evbuffer_free(buf);
}
static void
test_evbuffer_add1(void *ptr)
{
struct evbuffer *buf;
char *str;
buf = evbuffer_new();
evbuffer_add(buf, "1", 1);
evbuffer_validate(buf);
evbuffer_expand(buf, 2048);
evbuffer_validate(buf);
evbuffer_add(buf, "2", 1);
evbuffer_validate(buf);
evbuffer_add_printf(buf, "3");
evbuffer_validate(buf);
tt_assert(evbuffer_get_length(buf) == 3);
str = (char *)evbuffer_pullup(buf, -1);
tt_assert(str[0] == '1');
tt_assert(str[1] == '2');
tt_assert(str[2] == '3');
end:
evbuffer_free(buf);
}
static void
test_evbuffer_add2(void *ptr)
{
struct evbuffer *buf;
static char data[4096];
int data_len = MIN_BUFFER_SIZE-EVBUFFER_CHAIN_SIZE-10;
char *str;
int len;
memset(data, 'P', sizeof(data));
buf = evbuffer_new();
evbuffer_add(buf, data, data_len);
evbuffer_validate(buf);
evbuffer_expand(buf, 100);
evbuffer_validate(buf);
evbuffer_add(buf, "2", 1);
evbuffer_validate(buf);
evbuffer_add_printf(buf, "3");
evbuffer_validate(buf);
len = evbuffer_get_length(buf);
tt_assert(len == data_len+2);
str = (char *)evbuffer_pullup(buf, -1);
tt_assert(str[len-3] == 'P');
tt_assert(str[len-2] == '2');
tt_assert(str[len-1] == '3');
end:
evbuffer_free(buf);
}
static int reference_cb_called;
static void
@ -620,6 +674,36 @@ test_evbuffer_reference(void *ptr)
evbuffer_free(src);
}
static void
test_evbuffer_reference2(void *ptr)
{
struct evbuffer *buf;
static char data[4096];
int data_len = MIN_BUFFER_SIZE-EVBUFFER_CHAIN_SIZE-10;
char *str;
int len;
memset(data, 'P', sizeof(data));
buf = evbuffer_new();
evbuffer_add(buf, data, data_len);
evbuffer_validate(buf);
evbuffer_expand(buf, 100);
evbuffer_validate(buf);
evbuffer_add_reference(buf, "2", 1, no_cleanup, NULL);
evbuffer_validate(buf);
evbuffer_add_printf(buf, "3");
evbuffer_validate(buf);
len = evbuffer_get_length(buf);
tt_assert(len == data_len+2);
str = (char *)evbuffer_pullup(buf, -1);
tt_assert(str[len-3] == 'P');
tt_assert(str[len-2] == '2');
tt_assert(str[len-1] == '3');
end:
evbuffer_free(buf);
}
int _evbuffer_testing_use_sendfile(void);
int _evbuffer_testing_use_mmap(void);
int _evbuffer_testing_use_linear_file_access(void);
@ -1652,7 +1736,10 @@ struct testcase_t evbuffer_testcases[] = {
{ "reserve_many2", test_evbuffer_reserve_many, 0, &nil_setup, (void*)"add" },
{ "reserve_many3", test_evbuffer_reserve_many, 0, &nil_setup, (void*)"fill" },
{ "expand", test_evbuffer_expand, 0, NULL, NULL },
{ "add1", test_evbuffer_add1, 0, NULL, NULL },
{ "add2", test_evbuffer_add2, 0, NULL, NULL },
{ "reference", test_evbuffer_reference, 0, NULL, NULL },
{ "reference2", test_evbuffer_reference2, 0, NULL, NULL },
{ "iterative", test_evbuffer_iterative, 0, NULL, NULL },
{ "readln", test_evbuffer_readln, TT_NO_LOGS, &basic_setup, NULL },
{ "search_eol", test_evbuffer_search_eol, 0, NULL, NULL },