root/xz
1
0
Fork 0
mirror of https://git.tukaani.org/xz.git synced 2026-10-31 03:14:56 +00:00
Code Issues Releases Wiki Activity

Tests: test_index: Add a test for the Index decoder memusage bug

Browse Source
This commit is contained in:
Lasse Collin 2026-07-20 20:00:06 +03:00
parent bd3bfe8346
commit 10dfae83fd
No known key found for this signature in database
GPG Key ID: 38EE757D69184620
1 changed files with 48 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
tests/test_index.c
View File

@ -1622,6 +1622,53 @@ test_lzma_index_decoder(void)
}
static void
test_lzma_index_decoder_memusage(void)
{
#ifndef HAVE_DECODERS
assert_skip("Decoder support disabled");
#else
assert_uint(decode_buffer_size, >, 20);
lzma_stream strm = LZMA_STREAM_INIT;
lzma_index *idx = NULL;
assert_lzma_ret(lzma_index_decoder(&strm, &idx, MEMLIMIT), LZMA_OK);
// Nothing decoded yet.
assert_uint(lzma_memusage(&strm), <, 1000);
const size_t step = 5;
size_t remaining = decode_buffer_size;
strm.next_in = decode_buffer;
strm.avail_in = step;
remaining -= strm.avail_in;
uint64_t memused = 0;
while (true) {
lzma_ret ret = lzma_code(&strm, LZMA_RUN);
if (ret == LZMA_STREAM_END)
break;
assert_lzma_ret(ret, LZMA_OK);
assert_uint_eq(strm.avail_in, 0);
strm.avail_in = my_min(remaining, step);
remaining -= strm.avail_in;
if (memused == 0) {
memused = lzma_memusage(&strm);
assert_uint(memused, >, 100);
} else {
assert_uint_eq(lzma_memusage(&strm), memused);
}
}
lzma_index_end(idx, NULL);
lzma_end(&strm);
#endif
}
static void
test_lzma_index_buffer_encode(void)
{
@ -1831,6 +1878,7 @@ main(int argc, char **argv)
tuktest_run(test_lzma_index_dup);
tuktest_run(test_lzma_index_encoder);
tuktest_run(test_lzma_index_decoder);
tuktest_run(test_lzma_index_decoder_memusage);
tuktest_run(test_lzma_index_buffer_encode);
tuktest_run(test_lzma_index_buffer_decode);
tuktest_run(test_decode_empty_and_append);