| /* |
| 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; |
| } |