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author | Karl Berry <karl@freefriends.org> | 2010-05-26 18:13:06 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2010-05-26 18:13:06 +0000 |
commit | 3d8da5c85f9bb90eb80ac3fa22edf45b448140fb (patch) | |
tree | ea7e7459cb562b1bec12164edbcf295647c0202b /Build/source/extra/xz-4.999.9beta-124-gb637/tests/test_block_header.c | |
parent | 102ace285218431079cbea4914f3faaad0c7383e (diff) |
new xz release
git-svn-id: svn://tug.org/texlive/trunk@18518 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/extra/xz-4.999.9beta-124-gb637/tests/test_block_header.c')
-rw-r--r-- | Build/source/extra/xz-4.999.9beta-124-gb637/tests/test_block_header.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/Build/source/extra/xz-4.999.9beta-124-gb637/tests/test_block_header.c b/Build/source/extra/xz-4.999.9beta-124-gb637/tests/test_block_header.c new file mode 100644 index 00000000000..3d9b5d93147 --- /dev/null +++ b/Build/source/extra/xz-4.999.9beta-124-gb637/tests/test_block_header.c @@ -0,0 +1,240 @@ +/////////////////////////////////////////////////////////////////////////////// +// +/// \file test_block_header.c +/// \brief Tests Block Header coders +// +// Author: Lasse Collin +// +// This file has been put into the public domain. +// You can do whatever you want with this file. +// +/////////////////////////////////////////////////////////////////////////////// + +#include "tests.h" + + +static uint8_t buf[LZMA_BLOCK_HEADER_SIZE_MAX]; +static lzma_block known_options; +static lzma_block decoded_options; + +static lzma_options_lzma opt_lzma; + +static lzma_filter filters_none[1] = { + { + .id = LZMA_VLI_UNKNOWN, + }, +}; + + +static lzma_filter filters_one[2] = { + { + .id = LZMA_FILTER_LZMA2, + .options = &opt_lzma, + }, { + .id = LZMA_VLI_UNKNOWN, + } +}; + + +static lzma_filter filters_four[5] = { + { + .id = LZMA_FILTER_X86, + .options = NULL, + }, { + .id = LZMA_FILTER_X86, + .options = NULL, + }, { + .id = LZMA_FILTER_X86, + .options = NULL, + }, { + .id = LZMA_FILTER_LZMA2, + .options = &opt_lzma, + }, { + .id = LZMA_VLI_UNKNOWN, + } +}; + + +static lzma_filter filters_five[6] = { + { + .id = LZMA_FILTER_X86, + .options = NULL, + }, { + .id = LZMA_FILTER_X86, + .options = NULL, + }, { + .id = LZMA_FILTER_X86, + .options = NULL, + }, { + .id = LZMA_FILTER_X86, + .options = NULL, + }, { + .id = LZMA_FILTER_LZMA2, + .options = &opt_lzma, + }, { + .id = LZMA_VLI_UNKNOWN, + } +}; + + +static void +code(void) +{ + expect(lzma_block_header_encode(&known_options, buf) == LZMA_OK); + + lzma_filter filters[LZMA_FILTERS_MAX + 1]; + memcrap(filters, sizeof(filters)); + memcrap(&decoded_options, sizeof(decoded_options)); + + decoded_options.header_size = known_options.header_size; + decoded_options.check = known_options.check; + decoded_options.filters = filters; + expect(lzma_block_header_decode(&decoded_options, NULL, buf) + == LZMA_OK); + + expect(known_options.compressed_size + == decoded_options.compressed_size); + expect(known_options.uncompressed_size + == decoded_options.uncompressed_size); + + for (size_t i = 0; known_options.filters[i].id + != LZMA_VLI_UNKNOWN; ++i) + expect(known_options.filters[i].id == filters[i].id); + + for (size_t i = 0; i < LZMA_FILTERS_MAX; ++i) + free(decoded_options.filters[i].options); +} + + +static void +test1(void) +{ + known_options = (lzma_block){ + .check = LZMA_CHECK_NONE, + .compressed_size = LZMA_VLI_UNKNOWN, + .uncompressed_size = LZMA_VLI_UNKNOWN, + .filters = NULL, + }; + + expect(lzma_block_header_size(&known_options) == LZMA_PROG_ERROR); + + known_options.filters = filters_none; + expect(lzma_block_header_size(&known_options) == LZMA_PROG_ERROR); + + known_options.filters = filters_five; + expect(lzma_block_header_size(&known_options) == LZMA_PROG_ERROR); + + known_options.filters = filters_one; + expect(lzma_block_header_size(&known_options) == LZMA_OK); + + known_options.check = 999; // Some invalid value, which gets ignored. + expect(lzma_block_header_size(&known_options) == LZMA_OK); + + known_options.compressed_size = 5; + expect(lzma_block_header_size(&known_options) == LZMA_OK); + + known_options.compressed_size = 0; // Cannot be zero. + expect(lzma_block_header_size(&known_options) == LZMA_PROG_ERROR); + + // LZMA_VLI_MAX is too big to keep the total size of the Block + // a valid VLI, but lzma_block_header_size() is not meant + // to validate it. (lzma_block_header_encode() must validate it.) + known_options.compressed_size = LZMA_VLI_MAX; + expect(lzma_block_header_size(&known_options) == LZMA_OK); + + known_options.compressed_size = LZMA_VLI_UNKNOWN; + known_options.uncompressed_size = 0; + expect(lzma_block_header_size(&known_options) == LZMA_OK); + + known_options.uncompressed_size = LZMA_VLI_MAX + 1; + expect(lzma_block_header_size(&known_options) == LZMA_PROG_ERROR); +} + + +static void +test2(void) +{ + known_options = (lzma_block){ + .check = LZMA_CHECK_CRC32, + .compressed_size = LZMA_VLI_UNKNOWN, + .uncompressed_size = LZMA_VLI_UNKNOWN, + .filters = filters_four, + }; + + expect(lzma_block_header_size(&known_options) == LZMA_OK); + code(); + + known_options.compressed_size = 123456; + known_options.uncompressed_size = 234567; + expect(lzma_block_header_size(&known_options) == LZMA_OK); + code(); + + // We can make the sizes smaller while keeping the header size + // the same. + known_options.compressed_size = 12; + known_options.uncompressed_size = 23; + code(); +} + + +static void +test3(void) +{ + known_options = (lzma_block){ + .check = LZMA_CHECK_CRC32, + .compressed_size = LZMA_VLI_UNKNOWN, + .uncompressed_size = LZMA_VLI_UNKNOWN, + .filters = filters_one, + }; + + expect(lzma_block_header_size(&known_options) == LZMA_OK); + known_options.header_size += 4; + expect(lzma_block_header_encode(&known_options, buf) == LZMA_OK); + + lzma_filter filters[LZMA_FILTERS_MAX + 1]; + decoded_options.header_size = known_options.header_size; + decoded_options.check = known_options.check; + decoded_options.filters = filters; + + // Wrong size + ++buf[0]; + expect(lzma_block_header_decode(&decoded_options, NULL, buf) + == LZMA_PROG_ERROR); + --buf[0]; + + // Wrong CRC32 + buf[known_options.header_size - 1] ^= 1; + expect(lzma_block_header_decode(&decoded_options, NULL, buf) + == LZMA_DATA_ERROR); + buf[known_options.header_size - 1] ^= 1; + + // Unsupported filter + // NOTE: This may need updating when new IDs become supported. + buf[2] ^= 0x1F; + unaligned_write32le(buf + known_options.header_size - 4, + lzma_crc32(buf, known_options.header_size - 4, 0)); + expect(lzma_block_header_decode(&decoded_options, NULL, buf) + == LZMA_OPTIONS_ERROR); + buf[2] ^= 0x1F; + + // Non-nul Padding + buf[known_options.header_size - 4 - 1] ^= 1; + unaligned_write32le(buf + known_options.header_size - 4, + lzma_crc32(buf, known_options.header_size - 4, 0)); + expect(lzma_block_header_decode(&decoded_options, NULL, buf) + == LZMA_OPTIONS_ERROR); + buf[known_options.header_size - 4 - 1] ^= 1; +} + + +int +main(void) +{ + succeed(lzma_lzma_preset(&opt_lzma, 1)); + + test1(); + test2(); + test3(); + + return 0; +} |