- 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("compression failed: %s", strerror(-r));
+ 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(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 = 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);
+
+ log_debug("/* test compression */");
+
+ assert_se((dst = mkostemp_safe(pattern, O_RDWR|O_CLOEXEC)) >= 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, O_RDWR|O_CLOEXEC)) >= 0);
+
+ assert_se(stat(srcfile, &st) == 0);
+
+ assert_se(lseek(dst, 0, SEEK_SET) == 0);
+ r = decompress(dst, dst2, st.st_size);
+ assert(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(r == -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(r == -EFBIG);
+
+ assert_se(unlink(pattern) == 0);
+ assert_se(unlink(pattern2) == 0);