test_cmp expected actual
'
+test_expect_success 'ls-tree outside prefix' '
+ cat >expected <<EOF &&
+100644 blob e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 ../a[a]/three
+EOF
+ ( cd aa && git ls-tree -r HEAD "../a[a]"; ) >actual &&
+ test_cmp expected actual
+'
+
test_done