353 lines
9.5 KiB
C
353 lines
9.5 KiB
C
///////////////////////////////////////////////////////////////////////////////
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//
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/// \file test_check.c
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/// \brief Tests integrity checks
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//
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// Authors: Lasse Collin
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// Jia Tan
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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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// These must be specified as numbers so that the test works on EBCDIC
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// systems too.
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// static const uint8_t test_string[9] = "123456789";
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// static const uint8_t test_unaligned[12] = "xxx123456789";
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static const uint8_t test_string[9] = { 49, 50, 51, 52, 53, 54, 55, 56, 57 };
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static const uint8_t test_unaligned[12]
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= { 120, 120, 120, 49, 50, 51, 52, 53, 54, 55, 56, 57 };
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// 2 MB is more than enough for the tests. Actually a tiny value would
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// work because we don't actually decompress the files, we only test
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// decoding of the Stream Header fields.
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#define TEST_CHECK_MEMLIMIT (2U << 20)
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static size_t no_check_size;
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static uint8_t *no_check_xz_data;
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static size_t unsupported_check_size;
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static uint8_t *unsupported_check_xz_data;
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#ifdef HAVE_CHECK_CRC32
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static size_t crc32_size;
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static uint8_t *crc32_xz_data;
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#endif
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#ifdef HAVE_CHECK_CRC64
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static size_t crc64_size;
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static uint8_t *crc64_xz_data;
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#endif
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#ifdef HAVE_CHECK_SHA256
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static size_t sha256_size;
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static uint8_t *sha256_xz_data;
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#endif
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static void
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test_lzma_crc32(void)
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{
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// CRC32 is always enabled.
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assert_true(lzma_check_is_supported(LZMA_CHECK_CRC32));
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const uint32_t test_vector = 0xCBF43926;
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// Test 1
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assert_uint_eq(lzma_crc32(test_string, sizeof(test_string), 0),
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test_vector);
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// Test 2
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assert_uint_eq(lzma_crc32(test_unaligned + 3, sizeof(test_string), 0),
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test_vector);
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// Test 3
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uint32_t crc = 0;
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for (size_t i = 0; i < sizeof(test_string); ++i)
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crc = lzma_crc32(test_string + i, 1, crc);
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assert_uint_eq(crc, test_vector);
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}
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static void
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test_lzma_crc64(void)
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{
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// CRC64 can be disabled.
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if (!lzma_check_is_supported(LZMA_CHECK_CRC64))
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assert_skip("CRC64 support is disabled");
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// If CRC64 is disabled then lzma_crc64() will be missing.
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// Using an ifdef here avoids a linker error.
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#ifdef HAVE_CHECK_CRC64
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const uint64_t test_vector = 0x995DC9BBDF1939FA;
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// Test 1
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assert_uint_eq(lzma_crc64(test_string, sizeof(test_string), 0),
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test_vector);
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// Test 2
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assert_uint_eq(lzma_crc64(test_unaligned + 3, sizeof(test_string), 0),
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test_vector);
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// Test 3
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uint64_t crc = 0;
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for (size_t i = 0; i < sizeof(test_string); ++i)
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crc = lzma_crc64(test_string + i, 1, crc);
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assert_uint_eq(crc, test_vector);
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#endif
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}
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static void
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test_lzma_supported_checks(void)
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{
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static const int expected_check_ids[] = {
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LZMA_CHECK_NONE,
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#ifdef HAVE_CHECK_CRC32
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LZMA_CHECK_CRC32,
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#endif
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#ifdef HAVE_CHECK_CRC64
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LZMA_CHECK_CRC64,
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#endif
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#ifdef HAVE_CHECK_SHA256
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LZMA_CHECK_SHA256,
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#endif
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};
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for (int i = 0; i <= LZMA_CHECK_ID_MAX + 1; i++) {
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bool matched = false;
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for (unsigned int j = 0; j < ARRAY_SIZE(expected_check_ids);
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j++) {
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if (expected_check_ids[j] == i) {
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matched = true;
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break;
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}
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}
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if (matched)
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assert_true(lzma_check_is_supported(i));
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else
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assert_false(lzma_check_is_supported(i));
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}
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}
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static void
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test_lzma_check_size(void)
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{
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// Expected check sizes taken from src/liblzma/api/lzma/check.h
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static const uint32_t expected_check_sizes[] = {
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0, 4, 4, 4, 8, 8, 8, 16, 16, 16,
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32, 32, 32, 64, 64, 64
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};
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for (unsigned int i = 0; i < ARRAY_SIZE(expected_check_sizes); i++)
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assert_uint_eq(expected_check_sizes[i], lzma_check_size(i));
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assert_uint_eq(lzma_check_size(LZMA_CHECK_ID_MAX + 1), UINT32_MAX);
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}
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// Test the single threaded decoder for lzma_get_check
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static void
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test_lzma_get_check_st(void)
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{
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const uint32_t flags = LZMA_TELL_ANY_CHECK |
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LZMA_TELL_UNSUPPORTED_CHECK |
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LZMA_TELL_NO_CHECK;
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uint8_t outbuf[128];
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lzma_stream strm = LZMA_STREAM_INIT;
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// Test a file with no integrity check:
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assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
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flags), LZMA_OK);
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strm.next_in = no_check_xz_data;
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strm.avail_in = no_check_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_NO_CHECK);
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assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_NONE);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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// Test a file with an unsupported integrity check type:
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assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
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flags), LZMA_OK);
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strm.next_in = unsupported_check_xz_data;
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strm.avail_in = unsupported_check_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_UNSUPPORTED_CHECK);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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// Test a file with CRC32 as the integrity check:
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#ifdef HAVE_CHECK_CRC32
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assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
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flags), LZMA_OK);
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strm.next_in = crc32_xz_data;
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strm.avail_in = crc32_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
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assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_CRC32);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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#endif
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// Test a file with CRC64 as the integrity check:
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#ifdef HAVE_CHECK_CRC64
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assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
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flags), LZMA_OK);
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strm.next_in = crc64_xz_data;
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strm.avail_in = crc64_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
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assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_CRC64);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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#endif
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// Test a file with SHA-256 as the integrity check:
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#ifdef HAVE_CHECK_SHA256
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assert_lzma_ret(lzma_stream_decoder(&strm, TEST_CHECK_MEMLIMIT,
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flags), LZMA_OK);
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strm.next_in = sha256_xz_data;
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strm.avail_in = sha256_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
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assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_SHA256);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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#endif
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lzma_end(&strm);
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}
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static void
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test_lzma_get_check_mt(void)
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{
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const uint32_t flags = LZMA_TELL_ANY_CHECK |
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LZMA_TELL_UNSUPPORTED_CHECK |
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LZMA_TELL_NO_CHECK;
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const lzma_mt options = {
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.flags = flags,
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.threads = 2,
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.timeout = 0,
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.memlimit_threading = TEST_CHECK_MEMLIMIT,
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.memlimit_stop = TEST_CHECK_MEMLIMIT
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};
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uint8_t outbuf[128];
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lzma_stream strm = LZMA_STREAM_INIT;
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// Test a file with no integrity check:
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assert_lzma_ret(lzma_stream_decoder_mt(&strm, &options), LZMA_OK);
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strm.next_in = no_check_xz_data;
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strm.avail_in = no_check_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_NO_CHECK);
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assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_NONE);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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// Test a file with an unsupported integrity check type:
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assert_lzma_ret(lzma_stream_decoder_mt(&strm, &options), LZMA_OK);
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strm.next_in = unsupported_check_xz_data;
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strm.avail_in = unsupported_check_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_UNSUPPORTED_CHECK);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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// Test a file with CRC32 as the integrity check:
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#ifdef HAVE_CHECK_CRC32
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assert_lzma_ret(lzma_stream_decoder_mt(&strm, &options), LZMA_OK);
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strm.next_in = crc32_xz_data;
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strm.avail_in = crc32_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
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assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_CRC32);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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#endif
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// Test a file with CRC64 as the integrity check:
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#ifdef HAVE_CHECK_CRC64
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assert_lzma_ret(lzma_stream_decoder_mt(&strm, &options), LZMA_OK);
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strm.next_in = crc64_xz_data;
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strm.avail_in = crc64_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
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assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_CRC64);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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#endif
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// Test a file with SHA-256 as the integrity check:
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#ifdef HAVE_CHECK_SHA256
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assert_lzma_ret(lzma_stream_decoder_mt(&strm,&options), LZMA_OK);
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strm.next_in = sha256_xz_data;
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strm.avail_in = sha256_size;
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strm.next_out = outbuf;
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strm.avail_out = sizeof(outbuf);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_GET_CHECK);
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assert_lzma_check(lzma_get_check(&strm), LZMA_CHECK_SHA256);
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assert_lzma_ret(lzma_code(&strm, LZMA_RUN), LZMA_STREAM_END);
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#endif
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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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no_check_xz_data = tuktest_file_from_srcdir(
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"files/good-1-check-none.xz", &no_check_size);
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unsupported_check_xz_data = tuktest_file_from_srcdir(
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"files/unsupported-check.xz",
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&unsupported_check_size);
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#ifdef HAVE_CHECK_CRC32
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crc32_xz_data = tuktest_file_from_srcdir(
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"files/good-1-check-crc32.xz", &crc32_size);
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#endif
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#ifdef HAVE_CHECK_CRC64
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crc64_xz_data = tuktest_file_from_srcdir(
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"files/good-1-check-crc64.xz", &crc64_size);
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#endif
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#ifdef HAVE_CHECK_SHA256
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sha256_xz_data = tuktest_file_from_srcdir(
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"files/good-1-check-sha256.xz", &sha256_size);
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#endif
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tuktest_run(test_lzma_crc32);
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tuktest_run(test_lzma_crc64);
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tuktest_run(test_lzma_supported_checks);
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tuktest_run(test_lzma_check_size);
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tuktest_run(test_lzma_get_check_st);
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tuktest_run(test_lzma_get_check_mt);
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return tuktest_end();
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}
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