[PATCH 3/7] reftable: add a test that verifies that writing empty keys fails

From

Han-Wen Nienhuys via GitGitGadget <gitgitgadget@gmail.com>

Date

Jan 12, 2022, 18:07 UTC

Message-ID

<4eefedb0d07f762c98e8699c56a58b80df36ebe9.1642010868.git.gitgitgadget@gmail.com>

In-Reply-To

<pull.1185.git.git.1642010868.gitgitgadget@gmail.com>

From: Han-Wen Nienhuys <hanwen@google.com>

Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
---
 reftable/readwrite_test.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/reftable/readwrite_test.c b/reftable/readwrite_test.c
index 70c7aedba2c..a315c8992e8 100644
--- a/reftable/readwrite_test.c
+++ b/reftable/readwrite_test.c
@@ -602,6 +602,29 @@ 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 };
@@ -681,6 +704,7 @@ 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;

-- 
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