mirror of https://git.tukaani.org/xz.git
Tests: Refactors existing filter flags tests.
Converts the existing filter flags tests into tuktests.
This commit is contained in:
Jia Tan
parent
36edc65ab4
commit
5c9fdd3bf5
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@ -3,7 +3,8 @@
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/// \file test_filter_flags.c
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/// \brief Tests Filter Flags coders
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//
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// Author: Lasse Collin
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// Authors: Jia Tan
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// 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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@ -11,248 +12,506 @@
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///////////////////////////////////////////////////////////////////////////////
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#include "tests.h"
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// Including the internal header file for access to the
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// LZMA_FILTER_RESERVED_START macro
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#include "common/common.h"
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static uint8_t buffer[4096];
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static lzma_filter known_flags;
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static lzma_filter decoded_flags;
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static lzma_stream strm = LZMA_STREAM_INIT;
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static bool
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encode(uint32_t known_size)
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{
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memcrap(buffer, sizeof(buffer));
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uint32_t tmp;
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if (lzma_filter_flags_size(&tmp, &known_flags) != LZMA_OK)
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return true;
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if (tmp != known_size)
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return true;
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size_t out_pos = 0;
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if (lzma_filter_flags_encode(&known_flags,
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buffer, &out_pos, known_size) != LZMA_OK)
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return true;
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if (out_pos != known_size)
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return true;
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return false;
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// Used to create filters and easily to set id and options
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#define INIT_FILTER(_id, _options) {\
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.id = _id, \
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.options = _options \
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}
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static bool
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decode_ret(uint32_t known_size, lzma_ret expected_ret)
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{
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memcrap(&decoded_flags, sizeof(decoded_flags));
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#if defined(HAVE_ENCODERS)
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// No tests are run without encoders, so init the global filters
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// only when the encoders are enabled.
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static lzma_filter lzma1_filter = INIT_FILTER(LZMA_FILTER_LZMA1, NULL);
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static lzma_filter lzma2_filter = INIT_FILTER(LZMA_FILTER_LZMA2, NULL);
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static lzma_filter delta_filter = INIT_FILTER(LZMA_FILTER_DELTA, NULL);
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size_t pos = 0;
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if (lzma_filter_flags_decode(&decoded_flags, NULL,
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buffer, &pos, known_size) != expected_ret
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|| pos != known_size)
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return true;
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static lzma_filter bcj_filters_encoders[] = {
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#ifdef HAVE_ENCODER_X86
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INIT_FILTER(LZMA_FILTER_X86, NULL),
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#endif
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#ifdef HAVE_ENCODER_POWERPC
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INIT_FILTER(LZMA_FILTER_POWERPC, NULL),
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#endif
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#ifdef HAVE_ENCODER_IA64
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INIT_FILTER(LZMA_FILTER_IA64, NULL),
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#endif
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#ifdef HAVE_ENCODER_ARM
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INIT_FILTER(LZMA_FILTER_ARM, NULL),
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#endif
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#ifdef HAVE_ENCODER_ARM64
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INIT_FILTER(LZMA_FILTER_ARM64, NULL),
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#endif
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#ifdef HAVE_ENCODER_ARMTHUMB
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INIT_FILTER(LZMA_FILTER_ARMTHUMB, NULL),
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#endif
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#ifdef HAVE_ENCODER_SPARC
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INIT_FILTER(LZMA_FILTER_SPARC, NULL),
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#endif
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};
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return false;
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}
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// HAVE_ENCODERS ifdef not termianted here because decoders are
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// only used if encoders are, but encoders can still be used
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// even if decoders are not.
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#ifdef HAVE_DECODERS
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static lzma_filter bcj_filters_decoders[] = {
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#ifdef HAVE_DECODER_X86
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INIT_FILTER(LZMA_FILTER_X86, NULL),
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#endif
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#ifdef HAVE_DECODER_POWERPC
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INIT_FILTER(LZMA_FILTER_POWERPC, NULL),
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#endif
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#ifdef HAVE_DECODER_IA64
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INIT_FILTER(LZMA_FILTER_IA64, NULL),
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#endif
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#ifdef HAVE_DECODER_ARM
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INIT_FILTER(LZMA_FILTER_ARM, NULL),
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#endif
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#ifdef HAVE_DECODER_ARM64
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INIT_FILTER(LZMA_FILTER_ARM64, NULL),
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#endif
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#ifdef HAVE_DECODER_ARMTHUMB
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INIT_FILTER(LZMA_FILTER_ARMTHUMB, NULL),
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#endif
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#ifdef HAVE_DECODER_SPARC
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INIT_FILTER(LZMA_FILTER_SPARC, NULL),
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#endif
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};
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#endif
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#endif
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static bool
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decode(uint32_t known_size)
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{
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if (decode_ret(known_size, LZMA_OK))
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return true;
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if (known_flags.id != decoded_flags.id)
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return true;
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return false;
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}
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#if defined(HAVE_ENCODER_X86) && defined(HAVE_DECODER_X86)
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static void
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test_bcj(void)
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test_lzma_filter_flags_size(void)
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{
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// Test 1
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known_flags.id = LZMA_FILTER_X86;
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known_flags.options = NULL;
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#ifndef HAVE_ENCODERS
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assert_skip("Encoder support disabled");
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#else
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// For each supported filter, test that the size can be calculated
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// and that the size calculated is reasonable. A reasonable size
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// must be greater than 0, but less than the maximum size for the
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// block header.
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uint32_t size = 0;
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if (lzma_filter_encoder_is_supported(LZMA_FILTER_LZMA1)) {
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assert_lzma_ret(lzma_filter_flags_size(&size,
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&lzma1_filter), LZMA_PROG_ERROR);
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}
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expect(!encode(2));
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expect(!decode(2));
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expect(decoded_flags.options == NULL);
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if (lzma_filter_encoder_is_supported(LZMA_FILTER_LZMA2)) {
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assert_lzma_ret(lzma_filter_flags_size(&size,
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&lzma2_filter), LZMA_OK);
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assert_true(size != 0 && size < LZMA_BLOCK_HEADER_SIZE_MAX);
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}
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// Test 2
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lzma_options_bcj options;
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options.start_offset = 0;
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known_flags.options = &options;
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expect(!encode(2));
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expect(!decode(2));
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expect(decoded_flags.options == NULL);
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for (uint32_t i = 0; i < ARRAY_SIZE(bcj_filters_encoders); i++) {
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assert_lzma_ret(lzma_filter_flags_size(&size,
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&bcj_filters_encoders[i]), LZMA_OK);
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assert_true(size != 0 && size < LZMA_BLOCK_HEADER_SIZE_MAX);
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}
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// Test 3
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options.start_offset = 123456;
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known_flags.options = &options;
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expect(!encode(6));
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expect(!decode(6));
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expect(decoded_flags.options != NULL);
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if (lzma_filter_encoder_is_supported(LZMA_FILTER_DELTA)) {
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assert_lzma_ret(lzma_filter_flags_size(&size,
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&delta_filter), LZMA_OK);
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assert_true(size != 0 && size < LZMA_BLOCK_HEADER_SIZE_MAX);
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}
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lzma_options_bcj *decoded = decoded_flags.options;
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expect(decoded->start_offset == options.start_offset);
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// Test invalid filter ids
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lzma_filter bad_filter = INIT_FILTER(2, NULL);
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assert_lzma_ret(lzma_filter_flags_size(&size, &bad_filter),
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LZMA_OPTIONS_ERROR);
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bad_filter.id = LZMA_VLI_MAX;
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assert_lzma_ret(lzma_filter_flags_size(&size, &bad_filter),
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LZMA_PROG_ERROR);
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bad_filter.id = LZMA_FILTER_RESERVED_START;
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assert_lzma_ret(lzma_filter_flags_size(&size, &bad_filter),
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LZMA_PROG_ERROR);
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#endif
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}
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// Helper function for test_lzma_filter_flags_encode.
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// The should_encode parameter represents if the encoding operation
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// is expected to fail.
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// Avoid data -> encode -> decode -> compare to data.
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// Instead create expected encoding and compare to result from
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// lzma_filter_flags_encode.
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// Filter flags for xz are encoded as:
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// |Filter ID (VLI)|Size of Properties (VLI)|Filter Properties|
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#if defined(HAVE_ENCODERS) && defined(HAVE_DECODERS)
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static void
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verify_filter_flags_encode(lzma_filter *filter, bool should_encode)
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{
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uint32_t size = 0;
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// First calculate the size of filter flags to know how much
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// memory to allocate to hold the filter flags encoded
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assert_lzma_ret(lzma_filter_flags_size(&size, filter), LZMA_OK);
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uint8_t *encoded_out = tuktest_malloc(size * sizeof(uint8_t));
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size_t out_pos = 0;
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if(!should_encode) {
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assert_false(lzma_filter_flags_encode(filter, encoded_out,
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&out_pos, size) == LZMA_OK);
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return;
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}
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// Next encode the filter flags for the provided filter
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assert_lzma_ret(lzma_filter_flags_encode(filter, encoded_out,
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&out_pos, size), LZMA_OK);
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assert_uint_eq(size, out_pos);
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// Next decode the vli for the filter ID and verify it matches
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// the expected filter id
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size_t filter_id_vli_size = 0;
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lzma_vli filter_id = 0;
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assert_lzma_ret(lzma_vli_decode(&filter_id, NULL, encoded_out,
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&filter_id_vli_size, size), LZMA_OK);
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assert_uint_eq(filter->id, filter_id);
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// Next decode the size of properites and ensure it equals
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// the expected size
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// Expected size should be:
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// total filter flag length - size of filter id VLI + size of
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// property size VLI
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// Not verifying the contents of Filter Properties since
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// that belongs in a different test
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size_t size_of_properties_vli_size = 0;
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lzma_vli size_of_properties = 0;
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assert_lzma_ret(lzma_vli_decode(&size_of_properties, NULL,
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encoded_out + filter_id_vli_size,
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&size_of_properties_vli_size, size), LZMA_OK);
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assert_uint_eq(size - (size_of_properties_vli_size +
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filter_id_vli_size), size_of_properties);
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}
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#endif
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static void
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test_lzma_filter_flags_encode(void)
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{
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#if !defined(HAVE_ENCODERS) || !defined(HAVE_DECODERS)
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assert_skip("Encoder or decoder support disabled");
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#else
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// No test for LZMA1 since the xz format does not support LZMA1
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// and so the flags cannot be encoded for that filter
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if (lzma_filter_encoder_is_supported(LZMA_FILTER_LZMA2)) {
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// Test with NULL options that should fail
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lzma_options_lzma *options = lzma2_filter.options;
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lzma2_filter.options = NULL;
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verify_filter_flags_encode(&lzma2_filter, false);
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// Place options back in the filter, and test should pass
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lzma2_filter.options = options;
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verify_filter_flags_encode(&lzma2_filter, true);
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}
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lzma_options_bcj bcj_options = {
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.start_offset = 200
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};
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for (uint32_t i = 0; i < ARRAY_SIZE(bcj_filters_encoders); i++) {
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// NULL options should pass for bcj filters
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verify_filter_flags_encode(&bcj_filters_encoders[i], true);
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lzma_filter bcj_with_options = INIT_FILTER(
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bcj_filters_encoders[i].id, &bcj_options);
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verify_filter_flags_encode(&bcj_with_options, true);
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}
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if (lzma_filter_encoder_is_supported(LZMA_FILTER_DELTA)) {
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lzma_options_delta delta_ops_below_min = {
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.type = LZMA_DELTA_TYPE_BYTE,
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.dist = LZMA_DELTA_DIST_MIN - 1
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};
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lzma_options_delta delta_ops_above_max = {
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.type = LZMA_DELTA_TYPE_BYTE,
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.dist = LZMA_DELTA_DIST_MAX + 1
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};
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verify_filter_flags_encode(&delta_filter, true);
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lzma_filter delta_filter_bad_options = INIT_FILTER(
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LZMA_FILTER_DELTA, &delta_ops_below_min);
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// Next test error case using minimum - 1 delta distance
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verify_filter_flags_encode(&delta_filter_bad_options, false);
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// Next test error case using maximum + 1 delta distance
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delta_filter_bad_options.options = &delta_ops_above_max;
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verify_filter_flags_encode(&delta_filter_bad_options, false);
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// Next test null case
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delta_filter_bad_options.options = NULL;
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verify_filter_flags_encode(&delta_filter_bad_options, false);
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}
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// Test expected failing cases
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lzma_filter bad_filter = INIT_FILTER(LZMA_FILTER_RESERVED_START,
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NULL);
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size_t out_pos = 0;
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size_t out_size = LZMA_BLOCK_HEADER_SIZE_MAX;
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uint8_t out[LZMA_BLOCK_HEADER_SIZE_MAX];
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// Filter id outside of valid range
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assert_lzma_ret(lzma_filter_flags_encode(&bad_filter, out, &out_pos,
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out_size), LZMA_PROG_ERROR);
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out_pos = 0;
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bad_filter.id = LZMA_VLI_MAX + 1;
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assert_lzma_ret(lzma_filter_flags_encode(&bad_filter, out, &out_pos,
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out_size), LZMA_PROG_ERROR);
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out_pos = 0;
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// Invalid filter id
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bad_filter.id = 2;
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assert_lzma_ret(lzma_filter_flags_encode(&bad_filter, out, &out_pos,
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out_size), LZMA_OPTIONS_ERROR);
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out_pos = 0;
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// Out size too small
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if (lzma_filter_encoder_is_supported(LZMA_FILTER_LZMA2)) {
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uint32_t bad_size = 0;
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// First test with 0 output size
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assert_lzma_ret(lzma_filter_flags_encode(
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&lzma2_filter, out, &out_pos, 0),
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LZMA_PROG_ERROR);
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// Next calculate the size needed to encode and
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// use less than that
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assert_lzma_ret(lzma_filter_flags_size(&bad_size,
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&lzma2_filter), LZMA_OK);
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assert_lzma_ret(lzma_filter_flags_encode(
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&lzma2_filter, out, &out_pos,
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bad_size - 1), LZMA_PROG_ERROR);
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out_pos = 0;
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}
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// Invalid options
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if (lzma_filter_encoder_is_supported(LZMA_FILTER_DELTA)) {
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bad_filter.id = LZMA_FILTER_DELTA;
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// First test with NULL options
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assert_lzma_ret(lzma_filter_flags_encode(&bad_filter, out,
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&out_pos, out_size), LZMA_PROG_ERROR);
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out_pos = 0;
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// Next test with invalid options
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lzma_options_delta bad_options = {
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.dist = LZMA_DELTA_DIST_MAX + 1,
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.type = LZMA_DELTA_TYPE_BYTE
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};
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bad_filter.options = &bad_options;
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assert_lzma_ret(lzma_filter_flags_encode(&bad_filter, out,
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&out_pos, out_size), LZMA_PROG_ERROR);
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}
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#endif
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}
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// Helper function for test_lzma_filter_flags_decode.
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// Encodes the filter_in without using lzma_filter_flags_encode.
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// Leaves the specific assertions of filter_out options to the caller
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// because it is agnostic to the type of options used in the call
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#if defined(HAVE_ENCODERS) && defined(HAVE_DECODERS)
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static void
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verify_filter_flags_decode(lzma_filter *filter_in, lzma_filter *filter_out)
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{
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uint32_t total_size = 0;
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assert_lzma_ret(lzma_filter_flags_size(&total_size, filter_in),
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LZMA_OK);
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uint8_t *filter_flag_buffer = tuktest_malloc(total_size);
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uint32_t properties_size = 0;
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size_t out_pos = 0, in_pos = 0;
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assert_lzma_ret(lzma_properties_size(&properties_size, filter_in),
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LZMA_OK);
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assert_lzma_ret(lzma_vli_encode(filter_in->id, NULL,
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filter_flag_buffer, &out_pos, total_size), LZMA_OK);
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assert_lzma_ret(lzma_vli_encode(properties_size, NULL,
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filter_flag_buffer, &out_pos, total_size),
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LZMA_OK);
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assert_lzma_ret(lzma_properties_encode(filter_in,
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filter_flag_buffer + out_pos), LZMA_OK);
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assert_lzma_ret(lzma_filter_flags_decode(filter_out, NULL,
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filter_flag_buffer, &in_pos, total_size),
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LZMA_OK);
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assert_uint_eq(filter_in->id, filter_out->id);
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}
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#endif
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static void
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test_lzma_filter_flags_decode(void)
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{
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#if !defined(HAVE_ENCODERS) || !defined(HAVE_DECODERS)
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assert_skip("Encoder or decoder support disabled");
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#else
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// For each filter, only run the decoder test if both the encoder
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// and decoder is enabled. This is because verify_filter_flags_decode
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// uses lzma_filter_flags_size, which requires the encoder.
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if (lzma_filter_decoder_is_supported(LZMA_FILTER_LZMA2) &&
|
||||
lzma_filter_encoder_is_supported(LZMA_FILTER_LZMA2)) {
|
||||
lzma_filter lzma2_decoded = INIT_FILTER(LZMA_FILTER_LZMA2,
|
||||
NULL);
|
||||
|
||||
verify_filter_flags_decode(&lzma2_filter, &lzma2_decoded);
|
||||
|
||||
lzma_options_lzma *expected = lzma2_filter.options;
|
||||
lzma_options_lzma *decoded = lzma2_decoded.options;
|
||||
|
||||
// Only the dictionary size is encoded and decoded
|
||||
// so only compare those
|
||||
assert_uint_eq(decoded->dict_size, expected->dict_size);
|
||||
|
||||
// The decoded options must be freed by the caller
|
||||
free(decoded);
|
||||
}
|
||||
|
||||
for (uint32_t i = 0; i < ARRAY_SIZE(bcj_filters_decoders); i++) {
|
||||
if (lzma_filter_encoder_is_supported(
|
||||
bcj_filters_decoders[i].id)) {
|
||||
lzma_filter bcj_decoded = INIT_FILTER(
|
||||
bcj_filters_decoders[i].id, NULL);
|
||||
|
||||
lzma_filter bcj_encoded = INIT_FILTER(
|
||||
bcj_filters_decoders[i].id, NULL);
|
||||
|
||||
// First test without options
|
||||
verify_filter_flags_decode(&bcj_encoded,
|
||||
&bcj_decoded);
|
||||
assert_true(bcj_decoded.options == NULL);
|
||||
|
||||
// Next test with offset
|
||||
lzma_options_bcj options = {
|
||||
.start_offset = 200
|
||||
};
|
||||
|
||||
bcj_encoded.options = &options;
|
||||
verify_filter_flags_decode(&bcj_encoded,
|
||||
&bcj_decoded);
|
||||
lzma_options_bcj *decoded_ops = bcj_decoded.options;
|
||||
assert_uint_eq(decoded_ops->start_offset,
|
||||
options.start_offset);
|
||||
free(decoded_ops);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if (lzma_filter_decoder_is_supported(LZMA_FILTER_DELTA) &&
|
||||
lzma_filter_encoder_is_supported(LZMA_FILTER_DELTA)) {
|
||||
lzma_filter delta_decoded = INIT_FILTER(LZMA_FILTER_DELTA,
|
||||
NULL);
|
||||
|
||||
verify_filter_flags_decode(&delta_filter, &delta_decoded);
|
||||
lzma_options_delta *expected = delta_filter.options;
|
||||
lzma_options_delta *decoded = delta_decoded.options;
|
||||
assert_uint_eq(expected->dist, decoded->dist);
|
||||
assert_uint_eq(expected->type, decoded->type);
|
||||
|
||||
free(decoded);
|
||||
}
|
||||
|
||||
// Test expected failing cases
|
||||
uint8_t bad_encoded_filter[LZMA_BLOCK_HEADER_SIZE_MAX];
|
||||
lzma_filter bad_filter;
|
||||
|
||||
// Filter outside of valid range
|
||||
lzma_vli bad_filter_id = LZMA_FILTER_RESERVED_START;
|
||||
size_t bad_encoded_out_pos = 0;
|
||||
size_t in_pos = 0;
|
||||
|
||||
assert_lzma_ret(lzma_vli_encode(bad_filter_id, NULL,
|
||||
bad_encoded_filter, &bad_encoded_out_pos,
|
||||
LZMA_BLOCK_HEADER_SIZE_MAX), LZMA_OK);
|
||||
|
||||
assert_lzma_ret(lzma_filter_flags_decode(&bad_filter, NULL,
|
||||
bad_encoded_filter, &in_pos,
|
||||
LZMA_BLOCK_HEADER_SIZE_MAX), LZMA_DATA_ERROR);
|
||||
|
||||
bad_encoded_out_pos = 0;
|
||||
in_pos = 0;
|
||||
|
||||
// Invalid filter Id
|
||||
bad_filter_id = 2;
|
||||
bad_encoded_out_pos = 0;
|
||||
in_pos = 0;
|
||||
|
||||
assert_lzma_ret(lzma_vli_encode(bad_filter_id, NULL,
|
||||
bad_encoded_filter, &bad_encoded_out_pos,
|
||||
LZMA_BLOCK_HEADER_SIZE_MAX), LZMA_OK);
|
||||
|
||||
// Next encode propery size of 0
|
||||
assert_lzma_ret(lzma_vli_encode(0, NULL,
|
||||
bad_encoded_filter, &bad_encoded_out_pos,
|
||||
LZMA_BLOCK_HEADER_SIZE_MAX), LZMA_OK);
|
||||
// Decode should fail on bad filter id
|
||||
assert_lzma_ret(lzma_filter_flags_decode(&bad_filter, NULL,
|
||||
bad_encoded_filter, &in_pos,
|
||||
LZMA_BLOCK_HEADER_SIZE_MAX), LZMA_OPTIONS_ERROR);
|
||||
bad_encoded_out_pos = 0;
|
||||
in_pos = 0;
|
||||
|
||||
// Outsize too small
|
||||
// Encode the lzma2 filter normally, but then set
|
||||
// the out size when decoding as too small
|
||||
if (lzma_filter_encoder_is_supported(LZMA_FILTER_LZMA2) &&
|
||||
lzma_filter_decoder_is_supported(LZMA_FILTER_LZMA2)) {
|
||||
uint32_t filter_flag_size = 0;
|
||||
assert_lzma_ret(lzma_filter_flags_size(&filter_flag_size,
|
||||
&lzma2_filter), LZMA_OK);
|
||||
|
||||
assert_lzma_ret(lzma_filter_flags_encode(&lzma2_filter,
|
||||
bad_encoded_filter, &bad_encoded_out_pos,
|
||||
LZMA_BLOCK_HEADER_SIZE_MAX), LZMA_OK);
|
||||
|
||||
assert_lzma_ret(lzma_filter_flags_decode(&bad_filter, NULL,
|
||||
bad_encoded_filter, &in_pos,
|
||||
filter_flag_size - 1), LZMA_DATA_ERROR);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
#if defined(HAVE_ENCODER_DELTA) && defined(HAVE_DECODER_DELTA)
|
||||
static void
|
||||
test_delta(void)
|
||||
extern int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
// Test 1
|
||||
known_flags.id = LZMA_FILTER_DELTA;
|
||||
known_flags.options = NULL;
|
||||
expect(encode(99));
|
||||
tuktest_start(argc, argv);
|
||||
|
||||
// Test 2
|
||||
lzma_options_delta options = {
|
||||
.type = LZMA_DELTA_TYPE_BYTE,
|
||||
.dist = 0
|
||||
};
|
||||
known_flags.options = &options;
|
||||
expect(encode(99));
|
||||
#ifdef HAVE_ENCODERS
|
||||
// Only init filter options if encoder is supported because decoder
|
||||
// tests requires encoder support, so the decoder tests will only
|
||||
// run if for a given filter both the encoder and decoder are enabled.
|
||||
if (lzma_filter_encoder_is_supported(LZMA_FILTER_LZMA1)) {
|
||||
lzma_options_lzma *options = tuktest_malloc(
|
||||
sizeof(lzma_options_lzma));
|
||||
lzma_lzma_preset(options, LZMA_PRESET_DEFAULT);
|
||||
lzma1_filter.options = options;
|
||||
}
|
||||
|
||||
// Test 3
|
||||
options.dist = LZMA_DELTA_DIST_MIN;
|
||||
expect(!encode(3));
|
||||
expect(!decode(3));
|
||||
expect(((lzma_options_delta *)(decoded_flags.options))->dist
|
||||
== options.dist);
|
||||
if (lzma_filter_encoder_is_supported(LZMA_FILTER_LZMA2)) {
|
||||
lzma_options_lzma *options = tuktest_malloc(
|
||||
sizeof(lzma_options_lzma));
|
||||
lzma_lzma_preset(options, LZMA_PRESET_DEFAULT);
|
||||
lzma2_filter.options = options;
|
||||
}
|
||||
|
||||
free(decoded_flags.options);
|
||||
|
||||
// Test 4
|
||||
options.dist = LZMA_DELTA_DIST_MAX;
|
||||
expect(!encode(3));
|
||||
expect(!decode(3));
|
||||
expect(((lzma_options_delta *)(decoded_flags.options))->dist
|
||||
== options.dist);
|
||||
|
||||
free(decoded_flags.options);
|
||||
|
||||
// Test 5
|
||||
options.dist = LZMA_DELTA_DIST_MAX + 1;
|
||||
expect(encode(99));
|
||||
if (lzma_filter_encoder_is_supported(LZMA_FILTER_DELTA)) {
|
||||
lzma_options_delta *options = tuktest_malloc(
|
||||
sizeof(lzma_options_delta));
|
||||
options->dist = LZMA_DELTA_DIST_MIN;
|
||||
options->type = LZMA_DELTA_TYPE_BYTE;
|
||||
delta_filter.options = options;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
#ifdef HAVE_FILTER_LZMA
|
||||
static void
|
||||
validate_lzma(void)
|
||||
{
|
||||
const lzma_options_lzma *known = known_flags.options;
|
||||
const lzma_options_lzma *decoded = decoded_flags.options;
|
||||
|
||||
expect(known->dictionary_size <= decoded->dictionary_size);
|
||||
|
||||
if (known->dictionary_size == 1)
|
||||
expect(decoded->dictionary_size == 1);
|
||||
else
|
||||
expect(known->dictionary_size + known->dictionary_size / 2
|
||||
> decoded->dictionary_size);
|
||||
|
||||
expect(known->literal_context_bits == decoded->literal_context_bits);
|
||||
expect(known->literal_pos_bits == decoded->literal_pos_bits);
|
||||
expect(known->pos_bits == decoded->pos_bits);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
test_lzma(void)
|
||||
{
|
||||
// Test 1
|
||||
known_flags.id = LZMA_FILTER_LZMA1;
|
||||
known_flags.options = NULL;
|
||||
expect(encode(99));
|
||||
|
||||
// Test 2
|
||||
lzma_options_lzma options = {
|
||||
.dictionary_size = 0,
|
||||
.literal_context_bits = 0,
|
||||
.literal_pos_bits = 0,
|
||||
.pos_bits = 0,
|
||||
.preset_dictionary = NULL,
|
||||
.preset_dictionary_size = 0,
|
||||
.mode = LZMA_MODE_INVALID,
|
||||
.fast_bytes = 0,
|
||||
.match_finder = LZMA_MF_INVALID,
|
||||
.match_finder_cycles = 0,
|
||||
};
|
||||
|
||||
// Test 3 (empty dictionary not allowed)
|
||||
known_flags.options = &options;
|
||||
expect(encode(99));
|
||||
|
||||
// Test 4 (brute-force test some valid dictionary sizes)
|
||||
options.dictionary_size = LZMA_DICTIONARY_SIZE_MIN;
|
||||
while (options.dictionary_size != LZMA_DICTIONARY_SIZE_MAX) {
|
||||
if (++options.dictionary_size == 5000)
|
||||
options.dictionary_size = LZMA_DICTIONARY_SIZE_MAX - 5;
|
||||
|
||||
expect(!encode(4));
|
||||
expect(!decode(4));
|
||||
validate_lzma();
|
||||
|
||||
free(decoded_flags.options);
|
||||
}
|
||||
|
||||
// Test 5 (too big dictionary size)
|
||||
options.dictionary_size = LZMA_DICTIONARY_SIZE_MAX + 1;
|
||||
expect(encode(99));
|
||||
|
||||
// Test 6 (brute-force test lc/lp/pb)
|
||||
options.dictionary_size = LZMA_DICTIONARY_SIZE_MIN;
|
||||
for (uint32_t lc = LZMA_LITERAL_CONTEXT_BITS_MIN;
|
||||
lc <= LZMA_LITERAL_CONTEXT_BITS_MAX; ++lc) {
|
||||
for (uint32_t lp = LZMA_LITERAL_POS_BITS_MIN;
|
||||
lp <= LZMA_LITERAL_POS_BITS_MAX; ++lp) {
|
||||
for (uint32_t pb = LZMA_POS_BITS_MIN;
|
||||
pb <= LZMA_POS_BITS_MAX; ++pb) {
|
||||
if (lc + lp > LZMA_LITERAL_BITS_MAX)
|
||||
continue;
|
||||
|
||||
options.literal_context_bits = lc;
|
||||
options.literal_pos_bits = lp;
|
||||
options.pos_bits = pb;
|
||||
|
||||
expect(!encode(4));
|
||||
expect(!decode(4));
|
||||
validate_lzma();
|
||||
|
||||
free(decoded_flags.options);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
*/
|
||||
|
||||
int
|
||||
main(void)
|
||||
{
|
||||
#if defined(HAVE_ENCODER_X86) && defined(HAVE_DECODER_X86)
|
||||
test_bcj();
|
||||
#endif
|
||||
#if defined(HAVE_ENCODER_DELTA) && defined(HAVE_DECODER_DELTA)
|
||||
test_delta();
|
||||
#endif
|
||||
// #ifdef HAVE_FILTER_LZMA
|
||||
// test_lzma();
|
||||
// #endif
|
||||
|
||||
lzma_end(&strm);
|
||||
|
||||
return 0;
|
||||
tuktest_run(test_lzma_filter_flags_size);
|
||||
tuktest_run(test_lzma_filter_flags_encode);
|
||||
tuktest_run(test_lzma_filter_flags_decode);
|
||||
return tuktest_end();
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue