[thirdparty/systemd.git] / src / journal / test-compress.c

/* SPDX-License-Identifier: LGPL-2.1+ */
/***
  This file is part of systemd

  Copyright 2014 Ronny Chevalier
***/

#if HAVE_LZ4
#include <lz4.h>
#endif

#include "alloc-util.h"
#include "compress.h"
#include "fd-util.h"
#include "fileio.h"
#include "macro.h"
#include "path-util.h"
#include "random-util.h"
#include "util.h"

#if HAVE_XZ
# define XZ_OK 0
#else
# define XZ_OK -EPROTONOSUPPORT
#endif

#if HAVE_LZ4
# define LZ4_OK 0
#else
# define LZ4_OK -EPROTONOSUPPORT
#endif

typedef int (compress_blob_t)(const void *src, uint64_t src_size,
                              void *dst, size_t dst_alloc_size, size_t *dst_size);
typedef int (decompress_blob_t)(const void *src, uint64_t src_size,
                                void **dst, size_t *dst_alloc_size,
                                size_t* dst_size, size_t dst_max);
typedef int (decompress_sw_t)(const void *src, uint64_t src_size,
                              void **buffer, size_t *buffer_size,
                              const void *prefix, size_t prefix_len,
                              uint8_t extra);

typedef int (compress_stream_t)(int fdf, int fdt, uint64_t max_bytes);
typedef int (decompress_stream_t)(int fdf, int fdt, uint64_t max_size);

#if HAVE_XZ || HAVE_LZ4
static void test_compress_decompress(int compression,
                                     compress_blob_t compress,
                                     decompress_blob_t decompress,
                                     const char *data,
                                     size_t data_len,
                                     bool may_fail) {
        char compressed[512];
        size_t csize, usize = 0;
        _cleanup_free_ char *decompressed = NULL;
        int r;

        log_info("/* testing %s %s blob compression/decompression */",
                 object_compressed_to_string(compression), data);

        r = compress(data, data_len, compressed, sizeof(compressed), &csize);
        if (r == -ENOBUFS) {
                log_info_errno(r, "compression failed: %m");
                assert_se(may_fail);
        } else {
                assert_se(r == 0);
                r = decompress(compressed, csize,
                               (void **) &decompressed, &usize, &csize, 0);
                assert_se(r == 0);
                assert_se(decompressed);
                assert_se(memcmp(decompressed, data, data_len) == 0);
        }

        r = decompress("garbage", 7,
                       (void **) &decompressed, &usize, &csize, 0);
        assert_se(r < 0);

        /* make sure to have the minimal lz4 compressed size */
        r = decompress("00000000\1g", 9,
                       (void **) &decompressed, &usize, &csize, 0);
        assert_se(r < 0);

        r = decompress("\100000000g", 9,
                       (void **) &decompressed, &usize, &csize, 0);
        assert_se(r < 0);

        memzero(decompressed, usize);
}

static void test_decompress_startswith(int compression,
                                       compress_blob_t compress,
                                       decompress_sw_t decompress_sw,
                                       const char *data,
                                       size_t data_len,
                                       bool may_fail) {

        char *compressed;
        _cleanup_free_ char *compressed1 = NULL, *compressed2 = NULL, *decompressed = NULL;
        size_t csize, usize = 0, len;
        int r;

        log_info("/* testing decompress_startswith with %s on %.20s text */",
                 object_compressed_to_string(compression), data);

#define BUFSIZE_1 512
#define BUFSIZE_2 20000

        compressed = compressed1 = malloc(BUFSIZE_1);
        assert_se(compressed1);
        r = compress(data, data_len, compressed, BUFSIZE_1, &csize);
        if (r == -ENOBUFS) {
                log_info_errno(r, "compression failed: %m");
                assert_se(may_fail);

                compressed = compressed2 = malloc(BUFSIZE_2);
                assert_se(compressed2);
                r = compress(data, data_len, compressed, BUFSIZE_2, &csize);
                assert(r == 0);
        }
        assert_se(r == 0);

        len = strlen(data);

        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, '\0');
        assert_se(r > 0);
        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, 'w');
        assert_se(r == 0);
        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, "barbarbar", 9, ' ');
        assert_se(r == 0);
        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len - 1, data[len-1]);
        assert_se(r > 0);
        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len - 1, 'w');
        assert_se(r == 0);
        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, '\0');
        assert_se(r > 0);
}

static void test_compress_stream(int compression,
                                 const char* cat,
                                 compress_stream_t compress,
                                 decompress_stream_t decompress,
                                 const char *srcfile) {

        _cleanup_close_ int src = -1, dst = -1, dst2 = -1;
        char pattern[] = "/tmp/systemd-test.compressed.XXXXXX",
             pattern2[] = "/tmp/systemd-test.compressed.XXXXXX";
        int r;
        _cleanup_free_ char *cmd = NULL, *cmd2 = NULL;
        struct stat st = {};

        r = find_binary(cat, NULL);
        if (r < 0) {
                log_error_errno(r, "Skipping %s, could not find %s binary: %m", __func__, cat);
                return;
        }

        log_debug("/* testing %s compression */",
                  object_compressed_to_string(compression));

        log_debug("/* create source from %s */", srcfile);

        assert_se((src = open(srcfile, O_RDONLY|O_CLOEXEC)) >= 0);

        log_debug("/* test compression */");

        assert_se((dst = mkostemp_safe(pattern)) >= 0);

        assert_se(compress(src, dst, -1) == 0);

        if (cat) {
                assert_se(asprintf(&cmd, "%s %s | diff %s -", cat, pattern, srcfile) > 0);
                assert_se(system(cmd) == 0);
        }

        log_debug("/* test decompression */");

        assert_se((dst2 = mkostemp_safe(pattern2)) >= 0);

        assert_se(stat(srcfile, &st) == 0);

        assert_se(lseek(dst, 0, SEEK_SET) == 0);
        r = decompress(dst, dst2, st.st_size);
        assert_se(r == 0);

        assert_se(asprintf(&cmd2, "diff %s %s", srcfile, pattern2) > 0);
        assert_se(system(cmd2) == 0);

        log_debug("/* test faulty decompression */");

        assert_se(lseek(dst, 1, SEEK_SET) == 1);
        r = decompress(dst, dst2, st.st_size);
        assert_se(IN_SET(r, 0, -EBADMSG));

        assert_se(lseek(dst, 0, SEEK_SET) == 0);
        assert_se(lseek(dst2, 0, SEEK_SET) == 0);
        r = decompress(dst, dst2, st.st_size - 1);
        assert_se(r == -EFBIG);

        assert_se(unlink(pattern) == 0);
        assert_se(unlink(pattern2) == 0);
}
#endif

#if HAVE_LZ4
static void test_lz4_decompress_partial(void) {
        char buf[20000];
        size_t buf_size = sizeof(buf), compressed;
        int r;
        _cleanup_free_ char *huge = NULL;

#define HUGE_SIZE (4096*1024)
        huge = malloc(HUGE_SIZE);
        memset(huge, 'x', HUGE_SIZE);
        memcpy(huge, "HUGE=", 5);

#if LZ4_VERSION_NUMBER >= 10700
        r = LZ4_compress_default(huge, buf, HUGE_SIZE, buf_size);
#else
        r = LZ4_compress_limitedOutput(huge, buf, HUGE_SIZE, buf_size);
#endif
        assert_se(r >= 0);
        compressed = r;
        log_info("Compressed %i → %zu", HUGE_SIZE, compressed);

        r = LZ4_decompress_safe(buf, huge, r, HUGE_SIZE);
        assert_se(r >= 0);
        log_info("Decompressed → %i", r);

        r = LZ4_decompress_safe_partial(buf, huge,
                                        compressed,
                                        12, HUGE_SIZE);
        assert_se(r >= 0);
        log_info("Decompressed partial %i/%i → %i", 12, HUGE_SIZE, r);

        /* We expect this to fail, because that's how current lz4 works. If this
         * call succeeds, then lz4 has been fixed, and we need to change our code.
         */
        r = LZ4_decompress_safe_partial(buf, huge,
                                        compressed,
                                        12, HUGE_SIZE-1);
        assert_se(r < 0);
        log_info("Decompressed partial %i/%i → %i", 12, HUGE_SIZE-1, r);
}
#endif

int main(int argc, char *argv[]) {
#if HAVE_XZ || HAVE_LZ4
        const char text[] =
                "text\0foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
                "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";

        /* The file to test compression on can be specified as the first argument */
        const char *srcfile = argc > 1 ? argv[1] : argv[0];

        char data[512] = "random\0";

        char huge[4096*1024];
        memset(huge, 'x', sizeof(huge));
        memcpy(huge, "HUGE=", 5);
        char_array_0(huge);

        log_set_max_level(LOG_DEBUG);

        random_bytes(data + 7, sizeof(data) - 7);

#if HAVE_XZ
        test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz,
                                 text, sizeof(text), false);
        test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz,
                                 data, sizeof(data), true);

        test_decompress_startswith(OBJECT_COMPRESSED_XZ,
                                   compress_blob_xz, decompress_startswith_xz,
                                   text, sizeof(text), false);
        test_decompress_startswith(OBJECT_COMPRESSED_XZ,
                                   compress_blob_xz, decompress_startswith_xz,
                                   data, sizeof(data), true);
        test_decompress_startswith(OBJECT_COMPRESSED_XZ,
                                   compress_blob_xz, decompress_startswith_xz,
                                   huge, sizeof(huge), true);

        test_compress_stream(OBJECT_COMPRESSED_XZ, "xzcat",
                             compress_stream_xz, decompress_stream_xz, srcfile);
#else
        log_info("/* XZ test skipped */");
#endif

#if HAVE_LZ4
        test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4,
                                 text, sizeof(text), false);
        test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4,
                                 data, sizeof(data), true);

        test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
                                   compress_blob_lz4, decompress_startswith_lz4,
                                   text, sizeof(text), false);
        test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
                                   compress_blob_lz4, decompress_startswith_lz4,
                                   data, sizeof(data), true);
        test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
                                   compress_blob_lz4, decompress_startswith_lz4,
                                   huge, sizeof(huge), true);

        test_compress_stream(OBJECT_COMPRESSED_LZ4, "lz4cat",
                             compress_stream_lz4, decompress_stream_lz4, srcfile);

        test_lz4_decompress_partial();
#else
        log_info("/* LZ4 test skipped */");
#endif

        return 0;
#else
        return EXIT_TEST_SKIP;
#endif
}
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
843fecc0 RC	2	/***
	3	This file is part of systemd
	4
	5	Copyright 2014 Ronny Chevalier
843fecc0 RC	6	***/
843fecc0 RC	7
349cc4a5	8	#if HAVE_LZ4
e3cc7fc4 ZJS	9	#include <lz4.h>
	10	#endif
	11
b5efdb8a	12	#include "alloc-util.h"
843fecc0	13	#include "compress.h"
3ffd4af2	14	#include "fd-util.h"
0d39fa9c	15	#include "fileio.h"
843fecc0	16	#include "macro.h"
69847060	17	#include "path-util.h"
3df3e884	18	#include "random-util.h"
3ffd4af2	19	#include "util.h"
843fecc0	20
349cc4a5	21	#if HAVE_XZ
d89c8fdf ZJS	22	# define XZ_OK 0
	23	#else
	24	# define XZ_OK -EPROTONOSUPPORT
	25	#endif
	26
349cc4a5	27	#if HAVE_LZ4
d89c8fdf ZJS	28	# define LZ4_OK 0
	29	#else
	30	# define LZ4_OK -EPROTONOSUPPORT
	31	#endif
	32
	33	typedef int (compress_blob_t)(const void *src, uint64_t src_size,
5d6f46b6	34	void dst, size_t dst_alloc_size, size_t dst_size);
d89c8fdf	35	typedef int (decompress_blob_t)(const void *src, uint64_t src_size,
fa1c4b51 ZJS	36	void *dst, size_t dst_alloc_size,
fa1c4b51 ZJS	37	size_t* dst_size, size_t dst_max);
d89c8fdf	38	typedef int (decompress_sw_t)(const void *src, uint64_t src_size,
fa1c4b51 ZJS	39	void *buffer, size_t buffer_size,
fa1c4b51 ZJS	40	const void *prefix, size_t prefix_len,
d89c8fdf ZJS	41	uint8_t extra);
d89c8fdf ZJS	42
59f448cf LP	43	typedef int (compress_stream_t)(int fdf, int fdt, uint64_t max_bytes);
59f448cf LP	44	typedef int (decompress_stream_t)(int fdf, int fdt, uint64_t max_size);
d89c8fdf	45
349cc4a5	46	#if HAVE_XZ \|\| HAVE_LZ4
d89c8fdf ZJS	47	static void test_compress_decompress(int compression,
d89c8fdf ZJS	48	compress_blob_t compress,
c552d602 ZJS	49	decompress_blob_t decompress,
	50	const char *data,
	51	size_t data_len,
	52	bool may_fail) {
843fecc0	53	char compressed[512];
5d6f46b6	54	size_t csize, usize = 0;
d89c8fdf ZJS	55	_cleanup_free_ char *decompressed = NULL;
	56	int r;
	57
c552d602 ZJS	58	log_info("/* testing %s %s blob compression/decompression */",
	59	object_compressed_to_string(compression), data);
	60
5d6f46b6	61	r = compress(data, data_len, compressed, sizeof(compressed), &csize);
c552d602	62	if (r == -ENOBUFS) {
da927ba9	63	log_info_errno(r, "compression failed: %m");
787784c4	64	assert_se(may_fail);
c552d602	65	} else {
787784c4	66	assert_se(r == 0);
c552d602 ZJS	67	r = decompress(compressed, csize,
c552d602 ZJS	68	(void **) &decompressed, &usize, &csize, 0);
787784c4	69	assert_se(r == 0);
c552d602 ZJS	70	assert_se(decompressed);
	71	assert_se(memcmp(decompressed, data, data_len) == 0);
	72	}
d89c8fdf ZJS	73
	74	r = decompress("garbage", 7,
	75	(void **) &decompressed, &usize, &csize, 0);
787784c4	76	assert_se(r < 0);
d89c8fdf ZJS	77
	78	/* make sure to have the minimal lz4 compressed size */
	79	r = decompress("00000000\1g", 9,
	80	(void **) &decompressed, &usize, &csize, 0);
787784c4	81	assert_se(r < 0);
d89c8fdf ZJS	82
	83	r = decompress("\100000000g", 9,
	84	(void **) &decompressed, &usize, &csize, 0);
787784c4	85	assert_se(r < 0);
d89c8fdf ZJS	86
d89c8fdf ZJS	87	memzero(decompressed, usize);
843fecc0 RC	88	}
843fecc0 RC	89
d89c8fdf ZJS	90	static void test_decompress_startswith(int compression,
d89c8fdf ZJS	91	compress_blob_t compress,
c552d602 ZJS	92	decompress_sw_t decompress_sw,
	93	const char *data,
	94	size_t data_len,
	95	bool may_fail) {
d89c8fdf	96
ae5e1b19 ZJS	97	char *compressed;
	98	_cleanup_free_ char compressed1 = NULL, compressed2 = NULL, *decompressed = NULL;
	99	size_t csize, usize = 0, len;
c552d602	100	int r;
d89c8fdf	101
13e785f7	102	log_info("/* testing decompress_startswith with %s on %.20s text */",
c552d602 ZJS	103	object_compressed_to_string(compression), data);
c552d602 ZJS	104
ae5e1b19 ZJS	105	#define BUFSIZE_1 512
	106	#define BUFSIZE_2 20000
	107
	108	compressed = compressed1 = malloc(BUFSIZE_1);
	109	assert_se(compressed1);
	110	r = compress(data, data_len, compressed, BUFSIZE_1, &csize);
c552d602	111	if (r == -ENOBUFS) {
da927ba9	112	log_info_errno(r, "compression failed: %m");
787784c4	113	assert_se(may_fail);
ae5e1b19 ZJS	114
	115	compressed = compressed2 = malloc(BUFSIZE_2);
	116	assert_se(compressed2);
	117	r = compress(data, data_len, compressed, BUFSIZE_2, &csize);
	118	assert(r == 0);
c552d602	119	}
787784c4	120	assert_se(r == 0);
d89c8fdf	121
ae5e1b19 ZJS	122	len = strlen(data);
	123
	124	r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, '\0');
	125	assert_se(r > 0);
	126	r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, 'w');
	127	assert_se(r == 0);
	128	r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, "barbarbar", 9, ' ');
	129	assert_se(r == 0);
	130	r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len - 1, data[len-1]);
	131	assert_se(r > 0);
	132	r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len - 1, 'w');
	133	assert_se(r == 0);
	134	r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, '\0');
	135	assert_se(r > 0);
843fecc0 RC	136	}
843fecc0 RC	137
d89c8fdf ZJS	138	static void test_compress_stream(int compression,
	139	const char* cat,
	140	compress_stream_t compress,
	141	decompress_stream_t decompress,
	142	const char *srcfile) {
	143
355b59e2	144	_cleanup_close_ int src = -1, dst = -1, dst2 = -1;
4b5bc539 ZJS	145	char pattern[] = "/tmp/systemd-test.compressed.XXXXXX",
4b5bc539 ZJS	146	pattern2[] = "/tmp/systemd-test.compressed.XXXXXX";
355b59e2	147	int r;
69847060	148	_cleanup_free_ char cmd = NULL, cmd2 = NULL;
355b59e2 ZJS	149	struct stat st = {};
355b59e2 ZJS	150
69847060 LP	151	r = find_binary(cat, NULL);
	152	if (r < 0) {
	153	log_error_errno(r, "Skipping %s, could not find %s binary: %m", __func__, cat);
	154	return;
	155	}
	156
d89c8fdf ZJS	157	log_debug("/* testing %s compression */",
	158	object_compressed_to_string(compression));
	159
355b59e2 ZJS	160	log_debug("/* create source from %s */", srcfile);
	161
	162	assert_se((src = open(srcfile, O_RDONLY\|O_CLOEXEC)) >= 0);
	163
	164	log_debug("/* test compression */");
	165
646853bd	166	assert_se((dst = mkostemp_safe(pattern)) >= 0);
355b59e2	167
52754725	168	assert_se(compress(src, dst, -1) == 0);
355b59e2	169
d89c8fdf ZJS	170	if (cat) {
d89c8fdf ZJS	171	assert_se(asprintf(&cmd, "%s %s \| diff %s -", cat, pattern, srcfile) > 0);
52754725	172	assert_se(system(cmd) == 0);
d89c8fdf	173	}
355b59e2 ZJS	174
	175	log_debug("/* test decompression */");
	176
646853bd	177	assert_se((dst2 = mkostemp_safe(pattern2)) >= 0);
355b59e2 ZJS	178
	179	assert_se(stat(srcfile, &st) == 0);
	180
	181	assert_se(lseek(dst, 0, SEEK_SET) == 0);
d89c8fdf	182	r = decompress(dst, dst2, st.st_size);
0c0cdb06	183	assert_se(r == 0);
355b59e2 ZJS	184
	185	assert_se(asprintf(&cmd2, "diff %s %s", srcfile, pattern2) > 0);
	186	assert_se(system(cmd2) == 0);
	187
	188	log_debug("/* test faulty decompression */");
	189
	190	assert_se(lseek(dst, 1, SEEK_SET) == 1);
d89c8fdf	191	r = decompress(dst, dst2, st.st_size);
4c701096	192	assert_se(IN_SET(r, 0, -EBADMSG));
355b59e2 ZJS	193
	194	assert_se(lseek(dst, 0, SEEK_SET) == 0);
	195	assert_se(lseek(dst2, 0, SEEK_SET) == 0);
d89c8fdf	196	r = decompress(dst, dst2, st.st_size - 1);
0c0cdb06	197	assert_se(r == -EFBIG);
355b59e2 ZJS	198
	199	assert_se(unlink(pattern) == 0);
	200	assert_se(unlink(pattern2) == 0);
	201	}
ccc717fa	202	#endif
355b59e2	203
349cc4a5	204	#if HAVE_LZ4
e3cc7fc4 ZJS	205	static void test_lz4_decompress_partial(void) {
	206	char buf[20000];
	207	size_t buf_size = sizeof(buf), compressed;
	208	int r;
ae5e1b19	209	_cleanup_free_ char *huge = NULL;
e3cc7fc4	210
ae5e1b19 ZJS	211	#define HUGE_SIZE (4096*1024)
	212	huge = malloc(HUGE_SIZE);
	213	memset(huge, 'x', HUGE_SIZE);
e3cc7fc4 ZJS	214	memcpy(huge, "HUGE=", 5);
e3cc7fc4 ZJS	215
777fe71f ZJS	216	#if LZ4_VERSION_NUMBER >= 10700
	217	r = LZ4_compress_default(huge, buf, HUGE_SIZE, buf_size);
	218	#else
ae5e1b19	219	r = LZ4_compress_limitedOutput(huge, buf, HUGE_SIZE, buf_size);
777fe71f	220	#endif
e3cc7fc4 ZJS	221	assert_se(r >= 0);
e3cc7fc4 ZJS	222	compressed = r;
ae5e1b19	223	log_info("Compressed %i → %zu", HUGE_SIZE, compressed);
e3cc7fc4	224
ae5e1b19	225	r = LZ4_decompress_safe(buf, huge, r, HUGE_SIZE);
e3cc7fc4 ZJS	226	assert_se(r >= 0);
	227	log_info("Decompressed → %i", r);
	228
	229	r = LZ4_decompress_safe_partial(buf, huge,
	230	compressed,
ae5e1b19	231	12, HUGE_SIZE);
e3cc7fc4	232	assert_se(r >= 0);
ae5e1b19	233	log_info("Decompressed partial %i/%i → %i", 12, HUGE_SIZE, r);
e3cc7fc4 ZJS	234
	235	/* We expect this to fail, because that's how current lz4 works. If this
	236	* call succeeds, then lz4 has been fixed, and we need to change our code.
	237	*/
	238	r = LZ4_decompress_safe_partial(buf, huge,
	239	compressed,
ae5e1b19	240	12, HUGE_SIZE-1);
e3cc7fc4	241	assert_se(r < 0);
ae5e1b19	242	log_info("Decompressed partial %i/%i → %i", 12, HUGE_SIZE-1, r);
e3cc7fc4 ZJS	243	}
	244	#endif
	245
843fecc0	246	int main(int argc, char *argv[]) {
349cc4a5	247	#if HAVE_XZ \|\| HAVE_LZ4
c552d602 ZJS	248	const char text[] =
	249	"text\0foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
	250	"foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
	251
3e216115 ZJS	252	/* The file to test compression on can be specified as the first argument */
	253	const char *srcfile = argc > 1 ? argv[1] : argv[0];
	254
c552d602	255	char data[512] = "random\0";
355b59e2	256
ae5e1b19 ZJS	257	char huge[4096*1024];
	258	memset(huge, 'x', sizeof(huge));
	259	memcpy(huge, "HUGE=", 5);
	260	char_array_0(huge);
	261
355b59e2 ZJS	262	log_set_max_level(LOG_DEBUG);
355b59e2 ZJS	263
c552d602 ZJS	264	random_bytes(data + 7, sizeof(data) - 7);
c552d602 ZJS	265
349cc4a5	266	#if HAVE_XZ
c552d602 ZJS	267	test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz,
	268	text, sizeof(text), false);
	269	test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz,
	270	data, sizeof(data), true);
ae5e1b19	271
c552d602 ZJS	272	test_decompress_startswith(OBJECT_COMPRESSED_XZ,
	273	compress_blob_xz, decompress_startswith_xz,
	274	text, sizeof(text), false);
	275	test_decompress_startswith(OBJECT_COMPRESSED_XZ,
	276	compress_blob_xz, decompress_startswith_xz,
	277	data, sizeof(data), true);
ae5e1b19 ZJS	278	test_decompress_startswith(OBJECT_COMPRESSED_XZ,
	279	compress_blob_xz, decompress_startswith_xz,
	280	huge, sizeof(huge), true);
	281
d89c8fdf	282	test_compress_stream(OBJECT_COMPRESSED_XZ, "xzcat",
3e216115	283	compress_stream_xz, decompress_stream_xz, srcfile);
d89c8fdf ZJS	284	#else
	285	log_info("/* XZ test skipped */");
	286	#endif
c552d602	287
349cc4a5	288	#if HAVE_LZ4
c552d602 ZJS	289	test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4,
	290	text, sizeof(text), false);
	291	test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4,
	292	data, sizeof(data), true);
ae5e1b19	293
c552d602 ZJS	294	test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
	295	compress_blob_lz4, decompress_startswith_lz4,
	296	text, sizeof(text), false);
	297	test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
	298	compress_blob_lz4, decompress_startswith_lz4,
	299	data, sizeof(data), true);
ae5e1b19 ZJS	300	test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
	301	compress_blob_lz4, decompress_startswith_lz4,
	302	huge, sizeof(huge), true);
d89c8fdf	303
4b5bc539	304	test_compress_stream(OBJECT_COMPRESSED_LZ4, "lz4cat",
3e216115	305	compress_stream_lz4, decompress_stream_lz4, srcfile);
e3cc7fc4 ZJS	306
e3cc7fc4 ZJS	307	test_lz4_decompress_partial();
d89c8fdf ZJS	308	#else
	309	log_info("/* LZ4 test skipped */");
	310	#endif
843fecc0 RC	311
843fecc0 RC	312	return 0;
ccc717fa ZJS	313	#else
	314	return EXIT_TEST_SKIP;
	315	#endif
843fecc0	316	}