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-rw-r--r--reftable/block_test.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/reftable/block_test.c b/reftable/block_test.c
new file mode 100644
index 0000000..cb88af4
--- /dev/null
+++ b/reftable/block_test.c
@@ -0,0 +1,125 @@
+/*
+Copyright 2020 Google LLC
+
+Use of this source code is governed by a BSD-style
+license that can be found in the LICENSE file or at
+https://developers.google.com/open-source/licenses/bsd
+*/
+
+#include "block.h"
+
+#include "system.h"
+#include "blocksource.h"
+#include "basics.h"
+#include "constants.h"
+#include "record.h"
+#include "test_framework.h"
+#include "reftable-tests.h"
+
+static void test_block_read_write(void)
+{
+ const int header_off = 21; /* random */
+ char *names[30];
+ const int N = ARRAY_SIZE(names);
+ const int block_size = 1024;
+ struct reftable_block block = { NULL };
+ struct block_writer bw = {
+ .last_key = STRBUF_INIT,
+ };
+ struct reftable_record rec = {
+ .type = BLOCK_TYPE_REF,
+ };
+ int i = 0;
+ int n;
+ struct block_reader br = { 0 };
+ struct block_iter it = { .last_key = STRBUF_INIT };
+ int j = 0;
+ struct strbuf want = STRBUF_INIT;
+
+ block.data = reftable_calloc(block_size);
+ block.len = block_size;
+ block.source = malloc_block_source();
+ block_writer_init(&bw, BLOCK_TYPE_REF, block.data, block_size,
+ header_off, hash_size(GIT_SHA1_FORMAT_ID));
+
+ rec.u.ref.refname = "";
+ rec.u.ref.value_type = REFTABLE_REF_DELETION;
+ n = block_writer_add(&bw, &rec);
+ EXPECT(n == REFTABLE_API_ERROR);
+
+ for (i = 0; i < N; i++) {
+ char name[100];
+ uint8_t hash[GIT_SHA1_RAWSZ];
+ snprintf(name, sizeof(name), "branch%02d", i);
+ memset(hash, i, sizeof(hash));
+
+ rec.u.ref.refname = name;
+ rec.u.ref.value_type = REFTABLE_REF_VAL1;
+ rec.u.ref.value.val1 = hash;
+
+ names[i] = xstrdup(name);
+ n = block_writer_add(&bw, &rec);
+ rec.u.ref.refname = NULL;
+ rec.u.ref.value_type = REFTABLE_REF_DELETION;
+ EXPECT(n == 0);
+ }
+
+ n = block_writer_finish(&bw);
+ EXPECT(n > 0);
+
+ block_writer_release(&bw);
+
+ block_reader_init(&br, &block, header_off, block_size, GIT_SHA1_RAWSZ);
+
+ block_reader_start(&br, &it);
+
+ while (1) {
+ int r = block_iter_next(&it, &rec);
+ EXPECT(r >= 0);
+ if (r > 0) {
+ break;
+ }
+ EXPECT_STREQ(names[j], rec.u.ref.refname);
+ j++;
+ }
+
+ reftable_record_release(&rec);
+ block_iter_close(&it);
+
+ for (i = 0; i < N; i++) {
+ struct block_iter it = { .last_key = STRBUF_INIT };
+ strbuf_reset(&want);
+ strbuf_addstr(&want, names[i]);
+
+ n = block_reader_seek(&br, &it, &want);
+ EXPECT(n == 0);
+
+ n = block_iter_next(&it, &rec);
+ EXPECT(n == 0);
+
+ EXPECT_STREQ(names[i], rec.u.ref.refname);
+
+ want.len--;
+ n = block_reader_seek(&br, &it, &want);
+ EXPECT(n == 0);
+
+ n = block_iter_next(&it, &rec);
+ EXPECT(n == 0);
+ EXPECT_STREQ(names[10 * (i / 10)], rec.u.ref.refname);
+
+ block_iter_close(&it);
+ }
+
+ reftable_record_release(&rec);
+ reftable_block_done(&br.block);
+ strbuf_release(&want);
+ for (i = 0; i < N; i++) {
+ reftable_free(names[i]);
+ }
+}
+
+int block_test_main(int argc, const char *argv[])
+{
+ RUN_TEST(test_block_read_write);
+ return 0;
+}