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reftable: add a test that verifies that writing empty keys fails

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Empty keys can only be written as ref records with empty names. The
log record has a logical timestamp in the key, so the key is never
empty.

Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Han-Wen Nienhuys 2022-02-21 18:46:06 +00:00 committed by Junio C Hamano
parent eff5832ba1
commit 1407659110
1 changed files with 24 additions and 0 deletions
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24
reftable/readwrite_test.c
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@ -667,6 +667,29 @@ static void test_write_empty_table(void)
strbuf_release(&buf);
}
static void test_write_empty_key(void)
{
struct reftable_write_options opts = { 0 };
struct strbuf buf = STRBUF_INIT;
struct reftable_writer *w =
reftable_new_writer(&strbuf_add_void, &buf, &opts);
struct reftable_ref_record ref = {
.refname = "",
.update_index = 1,
.value_type = REFTABLE_REF_DELETION,
};
int err;
reftable_writer_set_limits(w, 1, 1);
err = reftable_writer_add_ref(w, &ref);
EXPECT(err == REFTABLE_API_ERROR);
err = reftable_writer_close(w);
EXPECT(err == REFTABLE_EMPTY_TABLE_ERROR);
reftable_writer_free(w);
strbuf_release(&buf);
}
static void test_write_key_order(void)
{
struct reftable_write_options opts = { 0 };
@ -746,6 +769,7 @@ int readwrite_test_main(int argc, const char *argv[])
RUN_TEST(test_table_read_write_seek_index);
RUN_TEST(test_table_refs_for_no_index);
RUN_TEST(test_table_refs_for_obj_index);
RUN_TEST(test_write_empty_key);
RUN_TEST(test_write_empty_table);
RUN_TEST(test_log_overflow);
return 0;