Add tests for "git diff --check" with core.whitespace options

diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh
index fe1dfd08a02e7a8c9c26542e934ccd6fc4f16f5c..62bc4bb077d06920509228b9fcd6464472e96dc2 100755 (executable)
--- a/t/t0020-crlf.sh
+++ b/t/t0020-crlf.sh
@@ -290,4 +290,92 @@ test_expect_success '.gitattributes says two and three are text' '
        fi
 '
 
+test_expect_success 'in-tree .gitattributes (1)' '
+
+       echo "one -crlf" >>.gitattributes &&
+       git add .gitattributes &&
+       git commit -m "Add .gitattributes" &&
+
+       rm -rf tmp one dir .gitattributes patch.file three &&
+       git read-tree --reset -u HEAD &&
+
+       if remove_cr one >/dev/null
+       then
+               echo "Eh? one should not have CRLF"
+               false
+       else
+               : happy
+       fi &&
+       remove_cr three >/dev/null || {
+               echo "Eh? three should still have CRLF"
+               false
+       }
+'
+
+test_expect_success 'in-tree .gitattributes (2)' '
+
+       rm -rf tmp one dir .gitattributes patch.file three &&
+       git read-tree --reset HEAD &&
+       git checkout-index -f -q -u -a &&
+
+       if remove_cr one >/dev/null
+       then
+               echo "Eh? one should not have CRLF"
+               false
+       else
+               : happy
+       fi &&
+       remove_cr three >/dev/null || {
+               echo "Eh? three should still have CRLF"
+               false
+       }
+'
+
+test_expect_success 'in-tree .gitattributes (3)' '
+
+       rm -rf tmp one dir .gitattributes patch.file three &&
+       git read-tree --reset HEAD &&
+       git checkout-index -u .gitattributes &&
+       git checkout-index -u one dir/two three &&
+
+       if remove_cr one >/dev/null
+       then
+               echo "Eh? one should not have CRLF"
+               false
+       else
+               : happy
+       fi &&
+       remove_cr three >/dev/null || {
+               echo "Eh? three should still have CRLF"
+               false
+       }
+'
+
+test_expect_success 'in-tree .gitattributes (4)' '
+
+       rm -rf tmp one dir .gitattributes patch.file three &&
+       git read-tree --reset HEAD &&
+       git checkout-index -u one dir/two three &&
+       git checkout-index -u .gitattributes &&
+
+       if remove_cr one >/dev/null
+       then
+               echo "Eh? one should not have CRLF"
+               false
+       else
+               : happy
+       fi &&
+       remove_cr three >/dev/null || {
+               echo "Eh? three should still have CRLF"
+               false
+       }
+'
+
+test_expect_success 'invalid .gitattributes (must not crash)' '
+
+       echo "three +crlf" >>.gitattributes &&
+       git diff
+
+'
+
 test_done