read-tree: add t1013 for submodule updates

diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index e50f0f742fdc4dca766e3f236cd32e388f0c89aa..b92e6cb0469ebb2e328c490cba9b8aaa7c1dbb84 100755 (executable)
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -190,4 +190,18 @@ test_expect_success 'required filter clean failure' '
        test_must_fail git add test.fc
 '
 
+test -n "$GIT_TEST_LONG" && test_set_prereq EXPENSIVE
+
+test_expect_success EXPENSIVE 'filter large file' '
+       git config filter.largefile.smudge cat &&
+       git config filter.largefile.clean cat &&
+       for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB &&
+       echo "2GB filter=largefile" >.gitattributes &&
+       git add 2GB 2>err &&
+       ! test -s err &&
+       rm -f 2GB &&
+       git checkout -- 2GB 2>err &&
+       ! test -s err
+'
+
 test_done