Previously there were no good tests of C-quoted arguments.

Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
 t/t1400-update-ref.sh | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index 774f8c5..00862bc 100755
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -350,12 +350,18 @@ test_expect_success 'stdin fails on unknown command' '
        grep "fatal: unknown command: unknown $a" err
 '
 
-test_expect_success 'stdin fails on badly quoted input' '
+test_expect_success 'stdin fails on unbalanced quotes' '
        echo "create $a \"master" >stdin &&
        test_must_fail git update-ref --stdin <stdin 2>err &&
        grep "fatal: badly quoted argument: \\\"master" err
 '
 
+test_expect_success 'stdin fails on invalid escape' '
+       echo "create $a \"ma\zter\"" >stdin &&
+       test_must_fail git update-ref --stdin <stdin 2>err &&
+       grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err
+'
+
 test_expect_success 'stdin fails on junk after quoted argument' '
        echo "create \"$a\"master" >stdin &&
        test_must_fail git update-ref --stdin <stdin 2>err &&
@@ -458,6 +464,24 @@ test_expect_success 'stdin create ref works' '
        test_cmp expect actual
 '
 
+test_expect_success 'stdin succeeds with quoted argument' '
+       git update-ref -d $a &&
+       echo "create $a \"$m\"" >stdin &&
+       git update-ref --stdin <stdin &&
+       git rev-parse $m >expect &&
+       git rev-parse $a >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'stdin succeeds with escaped character' '
+       git update-ref -d $a &&
+       echo "create $a \"ma\\163ter\"" >stdin &&
+       git update-ref --stdin <stdin &&
+       git rev-parse $m >expect &&
+       git rev-parse $a >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'stdin update ref creates with zero old value' '
        echo "update $b $m $Z" >stdin &&
        git update-ref --stdin <stdin &&
-- 
1.9.1

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