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Tests: Add test_memlimit.c to test restarting after LZMA_MEMLIMIT_ERROR.
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2 changed files with 153 additions and 0 deletions
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@ -45,6 +45,7 @@ check_PROGRAMS = \
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test_block_header \
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test_index \
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test_bcj_exact_size \
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test_memlimit \
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test_vli
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TESTS = \
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@ -55,6 +56,7 @@ TESTS = \
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test_block_header \
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test_index \
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test_bcj_exact_size \
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test_memlimit \
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test_vli \
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test_files.sh \
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test_compress_prepared_bcj_sparc \
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151
tests/test_memlimit.c
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151
tests/test_memlimit.c
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@ -0,0 +1,151 @@
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///////////////////////////////////////////////////////////////////////////////
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//
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/// \file test_memlimit.c
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/// \brief Tests memory usage limit in decoders
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//
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// Author: Lasse Collin
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//
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// This file has been put into the public domain.
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// You can do whatever you want with this file.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "tests.h"
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#define MEMLIMIT_TOO_LOW 1234U
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#define MEMLIMIT_HIGH_ENOUGH (2U << 20)
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static uint8_t *in;
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static size_t in_size;
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static uint8_t out[8192];
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static void
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test_memlimit_stream_decoder(void)
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{
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lzma_stream strm = LZMA_STREAM_INIT;
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assert_lzma_ret(lzma_stream_decoder(&strm, MEMLIMIT_TOO_LOW, 0),
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LZMA_OK);
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strm.next_in = in;
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strm.avail_in = in_size;
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strm.next_out = out;
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strm.avail_out = sizeof(out);
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assert_lzma_ret(lzma_code(&strm, LZMA_FINISH), LZMA_MEMLIMIT_ERROR);
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assert_uint_eq(lzma_memlimit_get(&strm), MEMLIMIT_TOO_LOW);
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assert_lzma_ret(lzma_memlimit_set(&strm, MEMLIMIT_TOO_LOW + 1),
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LZMA_MEMLIMIT_ERROR);
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assert_lzma_ret(lzma_memlimit_set(&strm, MEMLIMIT_HIGH_ENOUGH),
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LZMA_OK);
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// This fails before commit 660739f99ab211edec4071de98889fb32ed04e98
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// (liblzma <= 5.2.6, liblzma <= 5.3.3alpha). It was fixed in 5.2.7.
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assert_lzma_ret(lzma_code(&strm, LZMA_FINISH), LZMA_STREAM_END);
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lzma_end(&strm);
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}
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static void
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test_memlimit_stream_decoder_mt(void)
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{
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lzma_stream strm = LZMA_STREAM_INIT;
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lzma_mt mt = {
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.flags = 0,
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.threads = 1,
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.timeout = 0,
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.memlimit_threading = 0,
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.memlimit_stop = MEMLIMIT_TOO_LOW,
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};
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assert_lzma_ret(lzma_stream_decoder_mt(&strm, &mt), LZMA_OK);
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strm.next_in = in;
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strm.avail_in = in_size;
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strm.next_out = out;
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strm.avail_out = sizeof(out);
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assert_lzma_ret(lzma_code(&strm, LZMA_FINISH), LZMA_MEMLIMIT_ERROR);
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assert_uint_eq(lzma_memlimit_get(&strm), MEMLIMIT_TOO_LOW);
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assert_lzma_ret(lzma_memlimit_set(&strm, MEMLIMIT_TOO_LOW + 1),
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LZMA_MEMLIMIT_ERROR);
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assert_lzma_ret(lzma_memlimit_set(&strm, MEMLIMIT_HIGH_ENOUGH),
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LZMA_OK);
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assert_lzma_ret(lzma_code(&strm, LZMA_FINISH), LZMA_STREAM_END);
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lzma_end(&strm);
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}
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static void
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test_memlimit_alone_decoder(void)
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{
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size_t alone_size;
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uint8_t *alone_buf = tuktest_file_from_srcdir(
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"files/good-unknown_size-with_eopm.lzma", &alone_size);
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lzma_stream strm = LZMA_STREAM_INIT;
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assert_lzma_ret(lzma_alone_decoder(&strm, MEMLIMIT_TOO_LOW), LZMA_OK);
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strm.next_in = alone_buf;
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strm.avail_in = alone_size;
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strm.next_out = out;
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strm.avail_out = sizeof(out);
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assert_lzma_ret(lzma_code(&strm, LZMA_FINISH), LZMA_MEMLIMIT_ERROR);
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assert_uint_eq(lzma_memlimit_get(&strm), MEMLIMIT_TOO_LOW);
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assert_lzma_ret(lzma_memlimit_set(&strm, MEMLIMIT_TOO_LOW + 1),
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LZMA_MEMLIMIT_ERROR);
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assert_lzma_ret(lzma_memlimit_set(&strm, MEMLIMIT_HIGH_ENOUGH),
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LZMA_OK);
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assert_lzma_ret(lzma_code(&strm, LZMA_FINISH), LZMA_STREAM_END);
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lzma_end(&strm);
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}
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static void
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test_memlimit_auto_decoder(void)
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{
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lzma_stream strm = LZMA_STREAM_INIT;
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assert_lzma_ret(lzma_auto_decoder(&strm, MEMLIMIT_TOO_LOW, 0),
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LZMA_OK);
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strm.next_in = in;
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strm.avail_in = in_size;
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strm.next_out = out;
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strm.avail_out = sizeof(out);
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assert_lzma_ret(lzma_code(&strm, LZMA_FINISH), LZMA_MEMLIMIT_ERROR);
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assert_uint_eq(lzma_memlimit_get(&strm), MEMLIMIT_TOO_LOW);
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assert_lzma_ret(lzma_memlimit_set(&strm, MEMLIMIT_TOO_LOW + 1),
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LZMA_MEMLIMIT_ERROR);
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assert_lzma_ret(lzma_memlimit_set(&strm, MEMLIMIT_HIGH_ENOUGH),
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LZMA_OK);
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assert_lzma_ret(lzma_code(&strm, LZMA_FINISH), LZMA_STREAM_END);
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lzma_end(&strm);
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}
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extern int
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main(int argc, char **argv)
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{
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tuktest_start(argc, argv);
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in = tuktest_file_from_srcdir("files/good-1-check-crc32.xz", &in_size);
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tuktest_run(test_memlimit_stream_decoder);
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tuktest_run(test_memlimit_stream_decoder_mt);
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tuktest_run(test_memlimit_alone_decoder);
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tuktest_run(test_memlimit_auto_decoder);
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return tuktest_end();
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}
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