[PATCH] t3200-branch: test setting branch as own upstream

[Brian Gesiak <modocache@gmail.com>]

No test asserts that "git branch -u refs/heads/my-branch my-branch"
emits a warning. Add a test that does so.

Signed-off-by: Brian Gesiak <modocache@gmail.com>
---
 t/t3200-branch.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh
index fcdb867..e6d4015 100755
--- a/t/t3200-branch.sh
+++ b/t/t3200-branch.sh
@@ -507,6 +507,16 @@ EOF
 	test_cmp expected actual
 '
 
+test_expect_success '--set-upstream-to shows warning if used to set branch as own upstream' '
+	git branch --set-upstream-to refs/heads/my13 my13 2>actual &&
+	cat >expected <<EOF &&
+warning: Not setting branch my13 as its own upstream.
+EOF
+	test_i18ncmp expected actual &&
+	test_must_fail git config branch.my13.remote &&
+	test_must_fail git config branch.my13.merge
+'
+
 # Keep this test last, as it changes the current branch
 cat >expect <<EOF
 $_z40 $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000	branch: Created from master
-- 
1.8.3.4 (Apple Git-47)