Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
---
t/helper/test-reach.c | 4 ++++
t/t6600-test-reach.sh | 22 ++++++++++++++++++++++
2 files changed, 26 insertions(+)
diff --git a/t/helper/test-reach.c b/t/helper/test-reach.c
index 4df01187c9..e32e193b70 100644
--- a/t/helper/test-reach.c
+++ b/t/helper/test-reach.c
@@ -102,6 +102,10 @@ int cmd__reach(int ac, const char **av)
struct commit_list *list = get_merge_bases_many(A, X_nr, X_array);
printf("%s(A,X):\n", av[1]);
print_sorted_commit_ids(list);
+ } else if (!strcmp(av[1], "reduce_heads")) {
+ struct commit_list *list = reduce_heads(X);
+ printf("%s(X):\n", av[1]);
+ print_sorted_commit_ids(list);
}
exit(0);
diff --git a/t/t6600-test-reach.sh b/t/t6600-test-reach.sh
index d43e1a61d5..17c6467988 100755
--- a/t/t6600-test-reach.sh
+++ b/t/t6600-test-reach.sh
@@ -138,4 +138,26 @@ test_expect_success 'get_merge_bases_many' '
test_three_modes get_merge_bases_many
'
+test_expect_success 'reduce_heads' '
+ cat >input <<-\EOF &&
+ X:commit-1-10
+ X:commit-2-8
+ X:commit-3-6
+ X:commit-4-4
+ X:commit-1-7
+ X:commit-2-5
+ X:commit-3-3
+ X:commit-5-1
+ EOF
+ {
+ echo "reduce_heads(X):" &&
+ git rev-parse commit-5-1 \
+ commit-4-4 \
+ commit-3-6 \
+ commit-2-8 \
+ commit-1-10 | sort
+ } >expect &&
+ test_three_modes reduce_heads
+'
+
test_done
--
2.18.0.118.gd4f65b8d14
