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-rwxr-xr-xt/t5318-commit-graph.sh19
1 files changed, 19 insertions, 0 deletions
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index af88f805aa..295c5bd94d 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -5,6 +5,25 @@ test_description='commit graph'
GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=0
+test_expect_success 'usage' '
+ test_expect_code 129 git commit-graph write blah 2>err &&
+ test_expect_code 129 git commit-graph write verify
+'
+
+test_expect_success 'usage shown without sub-command' '
+ test_expect_code 129 git commit-graph 2>err &&
+ ! grep error: err
+'
+
+test_expect_success 'usage shown with an error on unknown sub-command' '
+ cat >expect <<-\EOF &&
+ error: unrecognized subcommand: unknown
+ EOF
+ test_expect_code 129 git commit-graph unknown 2>stderr &&
+ grep error stderr >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'setup full repo' '
mkdir full &&
cd "$TRASH_DIRECTORY/full" &&