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Diffstat (limited to 'roms/u-boot/test/compression.c')
| -rw-r--r-- | roms/u-boot/test/compression.c | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/roms/u-boot/test/compression.c b/roms/u-boot/test/compression.c new file mode 100644 index 000000000..4cd1be564 --- /dev/null +++ b/roms/u-boot/test/compression.c @@ -0,0 +1,547 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2013, The Chromium Authors + */ + +#include <common.h> +#include <bootm.h> +#include <command.h> +#include <gzip.h> +#include <image.h> +#include <log.h> +#include <lz4.h> +#include <malloc.h> +#include <mapmem.h> +#include <asm/io.h> + +#include <u-boot/zlib.h> +#include <bzlib.h> + +#include <lzma/LzmaTypes.h> +#include <lzma/LzmaDec.h> +#include <lzma/LzmaTools.h> + +#include <linux/lzo.h> +#include <test/compression.h> +#include <test/suites.h> +#include <test/ut.h> + +static const char plain[] = + "I am a highly compressable bit of text.\n" + "I am a highly compressable bit of text.\n" + "I am a highly compressable bit of text.\n" + "There are many like me, but this one is mine.\n" + "If I were any shorter, there wouldn't be much sense in\n" + "compressing me in the first place. At least with lzo, anyway,\n" + "which appears to behave poorly in the face of short text\n" + "messages.\n"; + +/* bzip2 -c /tmp/plain.txt > /tmp/plain.bz2 */ +static const char bzip2_compressed[] = + "\x42\x5a\x68\x39\x31\x41\x59\x26\x53\x59\xe5\x63\xdd\x09\x00\x00" + "\x28\x57\x80\x00\x10\x40\x85\x20\x20\x04\x00\x3f\xef\xdf\xf0\x30" + "\x00\xd6\xd0\x34\x91\x89\xa6\xf5\x4d\x19\x1a\x19\x0d\x02\x34\xd4" + "\xc9\x00\x34\x34\x00\x02\x48\x41\x35\x4f\xd4\xc6\x88\xd3\x50\x3d" + "\x4f\x51\x82\x4f\x88\xc3\x0d\x05\x62\x4f\x91\xa3\x52\x1b\xd0\x52" + "\x41\x4a\xa3\x98\xc2\x6b\xca\xa3\x82\xa5\xac\x8b\x15\x99\x68\xad" + "\xdf\x29\xd6\xf1\xf7\x5a\x10\xcd\x8c\x26\x61\x94\x95\xfe\x9e\x16" + "\x18\x28\x69\xd4\x23\x64\xcc\x2b\xe5\xe8\x5f\x00\xa4\x70\x26\x2c" + "\xee\xbd\x59\x6d\x6a\xec\xfc\x31\xda\x59\x0a\x14\x2a\x60\x1c\xf0" + "\x04\x86\x73\x9a\xc5\x5b\x87\x3f\x5b\x4c\x93\xe6\xb5\x35\x0d\xa6" + "\xb1\x2e\x62\x7b\xab\x67\xe7\x99\x2a\x14\x5e\x9f\x64\xcb\x96\xf4" + "\x0d\x65\xd4\x39\xe6\x8b\x7e\xea\x1c\x03\x69\x97\x83\x58\x91\x96" + "\xe1\xf0\x9d\xa4\x15\x8b\xb8\xc6\x93\xdc\x3d\xd9\x3c\x22\x55\xef" + "\xfb\xbb\x2a\xd3\x87\xa2\x8b\x04\xd9\x19\xf8\xe2\xfd\x4f\xdb\x1a" + "\x07\xc8\x60\xa3\x3f\xf8\xbb\x92\x29\xc2\x84\x87\x2b\x1e\xe8\x48"; +static const unsigned long bzip2_compressed_size = 240; + +/* lzma -z -c /tmp/plain.txt > /tmp/plain.lzma */ +static const char lzma_compressed[] = + "\x5d\x00\x00\x80\x00\xff\xff\xff\xff\xff\xff\xff\xff\x00\x24\x88" + "\x08\x26\xd8\x41\xff\x99\xc8\xcf\x66\x3d\x80\xac\xba\x17\xf1\xc8" + "\xb9\xdf\x49\x37\xb1\x68\xa0\x2a\xdd\x63\xd1\xa7\xa3\x66\xf8\x15" + "\xef\xa6\x67\x8a\x14\x18\x80\xcb\xc7\xb1\xcb\x84\x6a\xb2\x51\x16" + "\xa1\x45\xa0\xd6\x3e\x55\x44\x8a\x5c\xa0\x7c\xe5\xa8\xbd\x04\x57" + "\x8f\x24\xfd\xb9\x34\x50\x83\x2f\xf3\x46\x3e\xb9\xb0\x00\x1a\xf5" + "\xd3\x86\x7e\x8f\x77\xd1\x5d\x0e\x7c\xe1\xac\xde\xf8\x65\x1f\x4d" + "\xce\x7f\xa7\x3d\xaa\xcf\x26\xa7\x58\x69\x1e\x4c\xea\x68\x8a\xe5" + "\x89\xd1\xdc\x4d\xc7\xe0\x07\x42\xbf\x0c\x9d\x06\xd7\x51\xa2\x0b" + "\x7c\x83\x35\xe1\x85\xdf\xee\xfb\xa3\xee\x2f\x47\x5f\x8b\x70\x2b" + "\xe1\x37\xf3\x16\xf6\x27\x54\x8a\x33\x72\x49\xea\x53\x7d\x60\x0b" + "\x21\x90\x66\xe7\x9e\x56\x61\x5d\xd8\xdc\x59\xf0\xac\x2f\xd6\x49" + "\x6b\x85\x40\x08\x1f\xdf\x26\x25\x3b\x72\x44\xb0\xb8\x21\x2f\xb3" + "\xd7\x9b\x24\x30\x78\x26\x44\x07\xc3\x33\xd1\x4d\x03\x1b\xe1\xff" + "\xfd\xf5\x50\x8d\xca"; +static const unsigned long lzma_compressed_size = 229; + +/* lzop -c /tmp/plain.txt > /tmp/plain.lzo */ +static const char lzo_compressed[] = + "\x89\x4c\x5a\x4f\x00\x0d\x0a\x1a\x0a\x10\x30\x20\x60\x09\x40\x01" + "\x05\x03\x00\x00\x09\x00\x00\x81\xb4\x52\x09\x54\xf1\x00\x00\x00" + "\x00\x09\x70\x6c\x61\x69\x6e\x2e\x74\x78\x74\x65\xb1\x07\x9c\x00" + "\x00\x01\x5e\x00\x00\x01\x0f\xc3\xc7\x7a\xe0\x00\x16\x49\x20\x61" + "\x6d\x20\x61\x20\x68\x69\x67\x68\x6c\x79\x20\x63\x6f\x6d\x70\x72" + "\x65\x73\x73\x61\x62\x6c\x65\x20\x62\x69\x74\x20\x6f\x66\x20\x74" + "\x65\x78\x74\x2e\x0a\x20\x2f\x9c\x00\x00\x22\x54\x68\x65\x72\x65" + "\x20\x61\x72\x65\x20\x6d\x61\x6e\x79\x20\x6c\x69\x6b\x65\x20\x6d" + "\x65\x2c\x20\x62\x75\x74\x20\x74\x68\x69\x73\x20\x6f\x6e\x65\x20" + "\x69\x73\x20\x6d\x69\x6e\x65\x2e\x0a\x49\x66\x20\x49\x20\x77\x84" + "\x06\x0a\x6e\x79\x20\x73\x68\x6f\x72\x74\x65\x72\x2c\x20\x74\x90" + "\x08\x00\x08\x77\x6f\x75\x6c\x64\x6e\x27\x74\x20\x62\x65\x20\x6d" + "\x75\x63\x68\x20\x73\x65\x6e\x73\x65\x20\x69\x6e\x0a\xf8\x19\x02" + "\x69\x6e\x67\x20\x6d\x64\x02\x64\x06\x00\x5a\x20\x66\x69\x72\x73" + "\x74\x20\x70\x6c\x61\x63\x65\x2e\x20\x41\x74\x20\x6c\x65\x61\x73" + "\x74\x20\x77\x69\x74\x68\x20\x6c\x7a\x6f\x2c\x20\x61\x6e\x79\x77" + "\x61\x79\x2c\x0a\x77\x68\x69\x63\x68\x20\x61\x70\x70\x65\x61\x72" + "\x73\x20\x74\x6f\x20\x62\x65\x68\x61\x76\x65\x20\x70\x6f\x6f\x72" + "\x6c\x79\x20\x69\x6e\x20\x74\x68\x65\x20\x66\x61\x63\x65\x20\x6f" + "\x66\x20\x73\x68\x6f\x72\x74\x20\x74\x65\x78\x74\x0a\x6d\x65\x73" + "\x73\x61\x67\x65\x73\x2e\x0a\x11\x00\x00\x00\x00\x00\x00"; +static const unsigned long lzo_compressed_size = 334; + +/* lz4 -z /tmp/plain.txt > /tmp/plain.lz4 */ +static const char lz4_compressed[] = + "\x04\x22\x4d\x18\x64\x70\xb9\x01\x01\x00\x00\xff\x19\x49\x20\x61" + "\x6d\x20\x61\x20\x68\x69\x67\x68\x6c\x79\x20\x63\x6f\x6d\x70\x72" + "\x65\x73\x73\x61\x62\x6c\x65\x20\x62\x69\x74\x20\x6f\x66\x20\x74" + "\x65\x78\x74\x2e\x0a\x28\x00\x3d\xf1\x25\x54\x68\x65\x72\x65\x20" + "\x61\x72\x65\x20\x6d\x61\x6e\x79\x20\x6c\x69\x6b\x65\x20\x6d\x65" + "\x2c\x20\x62\x75\x74\x20\x74\x68\x69\x73\x20\x6f\x6e\x65\x20\x69" + "\x73\x20\x6d\x69\x6e\x65\x2e\x0a\x49\x66\x20\x49\x20\x77\x32\x00" + "\xd1\x6e\x79\x20\x73\x68\x6f\x72\x74\x65\x72\x2c\x20\x74\x45\x00" + "\xf4\x0b\x77\x6f\x75\x6c\x64\x6e\x27\x74\x20\x62\x65\x20\x6d\x75" + "\x63\x68\x20\x73\x65\x6e\x73\x65\x20\x69\x6e\x0a\xcf\x00\x50\x69" + "\x6e\x67\x20\x6d\x12\x00\x00\x32\x00\xf0\x11\x20\x66\x69\x72\x73" + "\x74\x20\x70\x6c\x61\x63\x65\x2e\x20\x41\x74\x20\x6c\x65\x61\x73" + "\x74\x20\x77\x69\x74\x68\x20\x6c\x7a\x6f\x2c\x63\x00\xf5\x14\x77" + "\x61\x79\x2c\x0a\x77\x68\x69\x63\x68\x20\x61\x70\x70\x65\x61\x72" + "\x73\x20\x74\x6f\x20\x62\x65\x68\x61\x76\x65\x20\x70\x6f\x6f\x72" + "\x6c\x79\x4e\x00\x30\x61\x63\x65\x27\x01\x01\x95\x00\x01\x2d\x01" + "\xb0\x0a\x6d\x65\x73\x73\x61\x67\x65\x73\x2e\x0a\x00\x00\x00\x00" + "\x9d\x12\x8c\x9d"; +static const unsigned long lz4_compressed_size = 276; + + +#define TEST_BUFFER_SIZE 512 + +typedef int (*mutate_func)(struct unit_test_state *uts, void *, unsigned long, + void *, unsigned long, unsigned long *); + +static int compress_using_gzip(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + int ret; + unsigned long inout_size = out_max; + + ret = gzip(out, &inout_size, in, in_size); + if (out_size) + *out_size = inout_size; + + return ret; +} + +static int uncompress_using_gzip(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + int ret; + unsigned long inout_size = in_size; + + ret = gunzip(out, out_max, in, &inout_size); + if (out_size) + *out_size = inout_size; + + return ret; +} + +static int compress_using_bzip2(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + /* There is no bzip2 compression in u-boot, so fake it. */ + ut_asserteq(in_size, strlen(plain)); + ut_asserteq_mem(plain, in, in_size); + + if (bzip2_compressed_size > out_max) + return -1; + + memcpy(out, bzip2_compressed, bzip2_compressed_size); + if (out_size) + *out_size = bzip2_compressed_size; + + return 0; +} + +static int uncompress_using_bzip2(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + int ret; + unsigned int inout_size = out_max; + + ret = BZ2_bzBuffToBuffDecompress(out, &inout_size, in, in_size, + CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); + if (out_size) + *out_size = inout_size; + + return (ret != BZ_OK); +} + +static int compress_using_lzma(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + /* There is no lzma compression in u-boot, so fake it. */ + ut_asserteq(in_size, strlen(plain)); + ut_asserteq_mem(plain, in, in_size); + + if (lzma_compressed_size > out_max) + return -1; + + memcpy(out, lzma_compressed, lzma_compressed_size); + if (out_size) + *out_size = lzma_compressed_size; + + return 0; +} + +static int uncompress_using_lzma(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + int ret; + SizeT inout_size = out_max; + + ret = lzmaBuffToBuffDecompress(out, &inout_size, in, in_size); + if (out_size) + *out_size = inout_size; + + return (ret != SZ_OK); +} + +static int compress_using_lzo(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + /* There is no lzo compression in u-boot, so fake it. */ + ut_asserteq(in_size, strlen(plain)); + ut_asserteq_mem(plain, in, in_size); + + if (lzo_compressed_size > out_max) + return -1; + + memcpy(out, lzo_compressed, lzo_compressed_size); + if (out_size) + *out_size = lzo_compressed_size; + + return 0; +} + +static int uncompress_using_lzo(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + int ret; + size_t input_size = in_size; + size_t output_size = out_max; + + ret = lzop_decompress(in, input_size, out, &output_size); + if (out_size) + *out_size = output_size; + + return (ret != LZO_E_OK); +} + +static int compress_using_lz4(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + /* There is no lz4 compression in u-boot, so fake it. */ + ut_asserteq(in_size, strlen(plain)); + ut_asserteq_mem(plain, in, in_size); + + if (lz4_compressed_size > out_max) + return -1; + + memcpy(out, lz4_compressed, lz4_compressed_size); + if (out_size) + *out_size = lz4_compressed_size; + + return 0; +} + +static int uncompress_using_lz4(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + int ret; + size_t input_size = in_size; + size_t output_size = out_max; + + ret = ulz4fn(in, input_size, out, &output_size); + if (out_size) + *out_size = output_size; + + return (ret != 0); +} + +#define errcheck(statement) if (!(statement)) { \ + fprintf(stderr, "\tFailed: %s\n", #statement); \ + ret = 1; \ + goto out; \ +} + +struct buf_state { + ulong orig_size; + ulong compressed_size; + ulong uncompressed_size; + void *orig_buf; + void *compressed_buf; + void *uncompressed_buf; + void *compare_buf; +}; + +static int run_test_internal(struct unit_test_state *uts, char *name, + mutate_func compress, mutate_func uncompress, + struct buf_state *buf) +{ + int ret; + + /* Compress works as expected. */ + printf("\torig_size:%lu\n", buf->orig_size); + memset(buf->compressed_buf, 'A', TEST_BUFFER_SIZE); + errcheck(compress(uts, buf->orig_buf, buf->orig_size, + buf->compressed_buf, buf->compressed_size, + &buf->compressed_size) == 0); + printf("\tcompressed_size:%lu\n", buf->compressed_size); + errcheck(buf->compressed_size > 0); + errcheck(buf->compressed_size < buf->orig_size); + errcheck(((char *)buf->compressed_buf)[buf->compressed_size - 1] != + 'A'); + errcheck(((char *)buf->compressed_buf)[buf->compressed_size] == 'A'); + + /* Uncompresses with space remaining. */ + errcheck(uncompress(uts, buf->compressed_buf, buf->compressed_size, + buf->uncompressed_buf, buf->uncompressed_size, + &buf->uncompressed_size) == 0); + printf("\tuncompressed_size:%lu\n", buf->uncompressed_size); + errcheck(buf->uncompressed_size == buf->orig_size); + errcheck(memcmp(buf->orig_buf, buf->uncompressed_buf, + buf->orig_size) == 0); + + /* Uncompresses with exactly the right size output buffer. */ + memset(buf->uncompressed_buf, 'A', TEST_BUFFER_SIZE); + errcheck(uncompress(uts, buf->compressed_buf, buf->compressed_size, + buf->uncompressed_buf, buf->orig_size, + &buf->uncompressed_size) == 0); + errcheck(buf->uncompressed_size == buf->orig_size); + errcheck(memcmp(buf->orig_buf, buf->uncompressed_buf, + buf->orig_size) == 0); + errcheck(((char *)buf->uncompressed_buf)[buf->orig_size] == 'A'); + + /* Make sure compression does not over-run. */ + memset(buf->compare_buf, 'A', TEST_BUFFER_SIZE); + ret = compress(uts, buf->orig_buf, buf->orig_size, + buf->compare_buf, buf->compressed_size - 1, + NULL); + errcheck(((char *)buf->compare_buf)[buf->compressed_size] == 'A'); + errcheck(ret != 0); + printf("\tcompress does not overrun\n"); + + /* Make sure decompression does not over-run. */ + memset(buf->compare_buf, 'A', TEST_BUFFER_SIZE); + ret = uncompress(uts, buf->compressed_buf, buf->compressed_size, + buf->compare_buf, buf->uncompressed_size - 1, + NULL); + errcheck(((char *)buf->compare_buf)[buf->uncompressed_size - 1] == 'A'); + errcheck(ret != 0); + printf("\tuncompress does not overrun\n"); + + /* Got here, everything is fine. */ + ret = 0; + +out: + return ret; +} + +static int run_test(struct unit_test_state *uts, char *name, + mutate_func compress, mutate_func uncompress) +{ + struct buf_state sbuf, *buf = &sbuf; + int ret; + + printf(" testing %s ...\n", name); + + buf->orig_buf = (void *)plain; + buf->orig_size = strlen(buf->orig_buf); /* Trailing NUL not included */ + errcheck(buf->orig_size > 0); + + buf->compressed_size = TEST_BUFFER_SIZE; + buf->uncompressed_size = TEST_BUFFER_SIZE; + buf->compressed_buf = malloc(buf->compressed_size); + errcheck(buf->compressed_buf); + buf->uncompressed_buf = malloc(buf->uncompressed_size); + errcheck(buf->uncompressed_buf); + buf->compare_buf = malloc(buf->uncompressed_size); + errcheck(buf->compare_buf); + + ret = run_test_internal(uts, name, compress, uncompress, buf); +out: + printf(" %s: %s\n", name, ret == 0 ? "ok" : "FAILED"); + + free(buf->compare_buf); + free(buf->uncompressed_buf); + free(buf->compressed_buf); + + return ret; +} + +static int compression_test_gzip(struct unit_test_state *uts) +{ + return run_test(uts, "gzip", compress_using_gzip, + uncompress_using_gzip); +} +COMPRESSION_TEST(compression_test_gzip, 0); + +static int compression_test_bzip2(struct unit_test_state *uts) +{ + return run_test(uts, "bzip2", compress_using_bzip2, + uncompress_using_bzip2); +} +COMPRESSION_TEST(compression_test_bzip2, 0); + +static int compression_test_lzma(struct unit_test_state *uts) +{ + return run_test(uts, "lzma", compress_using_lzma, + uncompress_using_lzma); +} +COMPRESSION_TEST(compression_test_lzma, 0); + +static int compression_test_lzo(struct unit_test_state *uts) +{ + return run_test(uts, "lzo", compress_using_lzo, uncompress_using_lzo); +} +COMPRESSION_TEST(compression_test_lzo, 0); + +static int compression_test_lz4(struct unit_test_state *uts) +{ + return run_test(uts, "lz4", compress_using_lz4, uncompress_using_lz4); +} +COMPRESSION_TEST(compression_test_lz4, 0); + +static int compress_using_none(struct unit_test_state *uts, + void *in, unsigned long in_size, + void *out, unsigned long out_max, + unsigned long *out_size) +{ + /* Here we just copy */ + memcpy(out, in, in_size); + *out_size = in_size; + + return 0; +} + +/** + * run_bootm_test() - Run tests on the bootm decompression function + * + * @comp_type: Compression type to test + * @compress: Our function to compress data + * @return 0 if OK, non-zero on failure + */ +static int run_bootm_test(struct unit_test_state *uts, int comp_type, + mutate_func compress) +{ + ulong compress_size = 1024; + void *compress_buff; + int unc_len; + int err = 0; + const ulong image_start = 0; + const ulong load_addr = 0x1000; + ulong load_end; + + printf("Testing: %s\n", genimg_get_comp_name(comp_type)); + compress_buff = map_sysmem(image_start, 0); + unc_len = strlen(plain); + compress(uts, (void *)plain, unc_len, compress_buff, compress_size, + &compress_size); + err = image_decomp(comp_type, load_addr, image_start, + IH_TYPE_KERNEL, map_sysmem(load_addr, 0), + compress_buff, compress_size, unc_len, + &load_end); + ut_assertok(err); + err = image_decomp(comp_type, load_addr, image_start, + IH_TYPE_KERNEL, map_sysmem(load_addr, 0), + compress_buff, compress_size, unc_len - 1, + &load_end); + ut_assert(err); + + /* We can't detect corruption when not decompressing */ + if (comp_type == IH_COMP_NONE) + return 0; + memset(compress_buff + compress_size / 2, '\x49', + compress_size / 2); + err = image_decomp(comp_type, load_addr, image_start, + IH_TYPE_KERNEL, map_sysmem(load_addr, 0), + compress_buff, compress_size, 0x10000, + &load_end); + ut_assert(err); + + return 0; +} + +static int compression_test_bootm_gzip(struct unit_test_state *uts) +{ + return run_bootm_test(uts, IH_COMP_GZIP, compress_using_gzip); +} +COMPRESSION_TEST(compression_test_bootm_gzip, 0); + +static int compression_test_bootm_bzip2(struct unit_test_state *uts) +{ + return run_bootm_test(uts, IH_COMP_BZIP2, compress_using_bzip2); +} +COMPRESSION_TEST(compression_test_bootm_bzip2, 0); + +static int compression_test_bootm_lzma(struct unit_test_state *uts) +{ + return run_bootm_test(uts, IH_COMP_LZMA, compress_using_lzma); +} +COMPRESSION_TEST(compression_test_bootm_lzma, 0); + +static int compression_test_bootm_lzo(struct unit_test_state *uts) +{ + return run_bootm_test(uts, IH_COMP_LZO, compress_using_lzo); +} +COMPRESSION_TEST(compression_test_bootm_lzo, 0); + +static int compression_test_bootm_lz4(struct unit_test_state *uts) +{ + return run_bootm_test(uts, IH_COMP_LZ4, compress_using_lz4); +} +COMPRESSION_TEST(compression_test_bootm_lz4, 0); + +static int compression_test_bootm_none(struct unit_test_state *uts) +{ + return run_bootm_test(uts, IH_COMP_NONE, compress_using_none); +} +COMPRESSION_TEST(compression_test_bootm_none, 0); + +int do_ut_compression(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct unit_test *tests = UNIT_TEST_SUITE_START(compression_test); + const int n_ents = UNIT_TEST_SUITE_COUNT(compression_test); + + return cmd_ut_category("compression", "compression_test_", + tests, n_ents, argc, argv); +} |