#include "util.h"
#include "macro.h"
-static void test_compress_uncompress(void) {
- char text[] = "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
- "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
+#ifdef HAVE_XZ
+# define XZ_OK 0
+#else
+# define XZ_OK -EPROTONOSUPPORT
+#endif
+
+#ifdef 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_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, off_t max_bytes);
+typedef int (decompress_stream_t)(int fdf, int fdt, off_t max_size);
+
+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];
- uint64_t csize = 512;
- uint64_t usize = 0;
- _cleanup_free_ char *uncompressed = NULL;
-
- assert_se(compress_blob(text, sizeof(text), compressed, &csize));
- assert_se(uncompress_blob(compressed,
- csize,
- (void **) &uncompressed,
- &usize, &csize, 0));
- assert_se(uncompressed);
- assert_se(streq(uncompressed, text));
- assert_se(!uncompress_blob("garbage",
- 7,
- (void **) &uncompressed,
- &usize, &csize, 0));
+ size_t csize = 512;
+ size_t 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, &csize);
+ if (r == -ENOBUFS) {
+ log_info_errno(-r, "compression failed: %m");
+ assert(may_fail);
+ } else {
+ assert(r == 0);
+ r = decompress(compressed, csize,
+ (void **) &decompressed, &usize, &csize, 0);
+ assert(r == 0);
+ assert_se(decompressed);
+ assert_se(memcmp(decompressed, data, data_len) == 0);
+ }
+
+ r = decompress("garbage", 7,
+ (void **) &decompressed, &usize, &csize, 0);
+ assert(r < 0);
+
+ /* make sure to have the minimal lz4 compressed size */
+ r = decompress("00000000\1g", 9,
+ (void **) &decompressed, &usize, &csize, 0);
+ assert(r < 0);
+
+ r = decompress("\100000000g", 9,
+ (void **) &decompressed, &usize, &csize, 0);
+ assert(r < 0);
+
+ memzero(decompressed, usize);
}
-static void test_uncompress_startswith(void) {
- char text[] = "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
- "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
+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[512];
- uint64_t csize = 512;
- uint64_t usize = 0;
- _cleanup_free_ char *uncompressed = NULL;
-
- assert_se(compress_blob(text, sizeof(text), compressed, &csize));
- assert_se(uncompress_startswith(compressed,
- csize,
- (void **) &uncompressed,
- &usize,
- "foofoofoofoo", 12, ' '));
- assert_se(!uncompress_startswith(compressed,
- csize,
- (void **) &uncompressed,
- &usize,
- "foofoofoofoo", 12, 'w'));
- assert_se(!uncompress_startswith(compressed,
- csize,
- (void **) &uncompressed,
- &usize,
- "barbarbar", 9, ' '));
+ size_t csize = 512;
+ size_t usize = 0;
+ _cleanup_free_ char *decompressed = NULL;
+ int r;
+
+ log_info("/* testing decompress_startswith with %s on %s text*/",
+ object_compressed_to_string(compression), data);
+
+ r = compress(data, data_len, compressed, &csize);
+ if (r == -ENOBUFS) {
+ log_info_errno(-r, "compression failed: %m");
+ assert(may_fail);
+ return;
+ }
+ assert(r == 0);
+
+ assert_se(decompress_sw(compressed,
+ csize,
+ (void **) &decompressed,
+ &usize,
+ data, strlen(data), '\0') > 0);
+ assert_se(decompress_sw(compressed,
+ csize,
+ (void **) &decompressed,
+ &usize,
+ data, strlen(data), 'w') == 0);
+ assert_se(decompress_sw(compressed,
+ csize,
+ (void **) &decompressed,
+ &usize,
+ "barbarbar", 9, ' ') == 0);
+ assert_se(decompress_sw(compressed,
+ csize,
+ (void **) &decompressed,
+ &usize,
+ data, strlen(data), '\0') > 0);
}
-static void test_compress_stream(const char *srcfile) {
+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.xz.XXXXXX",
pattern2[] = "/tmp/systemd-test.xz.XXXXXX";
int r;
- _cleanup_free_ char *cmd, *cmd2;
+ _cleanup_free_ char *cmd = NULL, *cmd2;
struct stat st = {};
+ 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);
assert_se((dst = mkostemp_safe(pattern, O_RDWR|O_CLOEXEC)) >= 0);
- r = compress_stream(src, dst, -1);
- assert(r == 0);
+ assert_se(compress(src, dst, -1) == 0);
- assert_se(asprintf(&cmd, "xzcat %s | diff %s -", pattern, srcfile) > 0);
- assert_se(system(cmd) == 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(stat(srcfile, &st) == 0);
assert_se(lseek(dst, 0, SEEK_SET) == 0);
- r = decompress_stream(dst, dst2, st.st_size);
+ r = decompress(dst, dst2, st.st_size);
assert(r == 0);
assert_se(asprintf(&cmd2, "diff %s %s", srcfile, pattern2) > 0);
log_debug("/* test faulty decompression */");
assert_se(lseek(dst, 1, SEEK_SET) == 1);
- r = decompress_stream(dst, dst2, st.st_size);
+ r = decompress(dst, dst2, st.st_size);
assert(r == -EBADMSG);
assert_se(lseek(dst, 0, SEEK_SET) == 0);
assert_se(lseek(dst2, 0, SEEK_SET) == 0);
- r = decompress_stream(dst, dst2, st.st_size - 1);
- assert(r == -E2BIG);
+ r = decompress(dst, dst2, st.st_size - 1);
+ assert(r == -EFBIG);
assert_se(unlink(pattern) == 0);
assert_se(unlink(pattern2) == 0);
}
int main(int argc, char *argv[]) {
+ const char text[] =
+ "text\0foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
+ "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
+
+ char data[512] = "random\0";
log_set_max_level(LOG_DEBUG);
- test_compress_uncompress();
- test_uncompress_startswith();
- test_compress_stream(argv[0]);
+ random_bytes(data + 7, sizeof(data) - 7);
+
+#ifdef 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_compress_stream(OBJECT_COMPRESSED_XZ, "xzcat",
+ compress_stream_xz, decompress_stream_xz, argv[0]);
+#else
+ log_info("/* XZ test skipped */");
+#endif
+
+#ifdef 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);
+
+ /* Produced stream is not compatible with lz4 binary, skip lz4cat check. */
+ test_compress_stream(OBJECT_COMPRESSED_LZ4, NULL,
+ compress_stream_lz4, decompress_stream_lz4, argv[0]);
+#else
+ log_info("/* LZ4 test skipped */");
+#endif
return 0;
}
~ianmdlvl / elogind.git / blobdiff