refs: failing test for concurrent ref access If we remove a reference while we're iterating through the packed refs, the position in the iterator will be off.
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diff --git a/tests/refs/iterator.c b/tests/refs/iterator.c
index a29b0cf..c774513 100644
--- a/tests/refs/iterator.c
+++ b/tests/refs/iterator.c
@@ -186,3 +186,36 @@ void test_refs_iterator__foreach_name_can_cancel(void)
-333);
cl_assert_equal_i(0, cancel_after);
}
+
+void test_refs_iterator__concurrent_delete(void)
+{
+ git_reference_iterator *iter;
+ size_t full_count = 0, concurrent_count = 0;
+ const char *name;
+ int error;
+
+ git_repository_free(repo);
+ repo = cl_git_sandbox_init("testrepo");
+
+ cl_git_pass(git_reference_iterator_new(&iter, repo));
+ while ((error = git_reference_next_name(&name, iter)) == 0) {
+ full_count++;
+ }
+
+ git_reference_iterator_free(iter);
+ cl_assert_equal_i(GIT_ITEROVER, error);
+
+ cl_git_pass(git_reference_iterator_new(&iter, repo));
+ while ((error = git_reference_next_name(&name, iter)) == 0) {
+ cl_git_pass(git_reference_remove(repo, name));
+ concurrent_count++;
+ }
+
+ git_reference_iterator_free(iter);
+ cl_assert_equal_i(GIT_ITEROVER, error);
+
+ cl_assert_equal_i(full_count, concurrent_count);
+
+ cl_git_sandbox_cleanup();
+ repo = NULL;
+}