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