test_cmp expect actual
'
+test_expect_success 'symbolic-ref refuses invalid target for non-HEAD' '
+ test_must_fail git symbolic-ref refs/heads/invalid foo..bar
+'
+
+test_expect_success 'symbolic-ref allows top-level target for non-HEAD' '
+ git symbolic-ref refs/heads/top-level FETCH_HEAD &&
+ git update-ref FETCH_HEAD HEAD &&
+ test_cmp_rev top-level HEAD
+'
+
+ test_expect_success 'symbolic-ref pointing at another' '
+ git update-ref refs/heads/maint-2.37 HEAD &&
+ git symbolic-ref refs/heads/maint refs/heads/maint-2.37 &&
+ git checkout maint &&
+
+ git symbolic-ref HEAD >actual &&
+ echo refs/heads/maint-2.37 >expect &&
+ test_cmp expect actual &&
+
+ git symbolic-ref --no-recurse HEAD >actual &&
+ echo refs/heads/maint >expect &&
+ test_cmp expect actual
+ '
+
test_done