check_filename: tighten dwim-wildcard ambiguity

diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh
index d58b097ff3b3d0e6e68d15491d38f1f32460f6e7..63e04277f99a08b15e12c3392f9e128147180fad 100755 (executable)
--- a/t/t7501-commit.sh
+++ b/t/t7501-commit.sh
@@ -346,8 +346,21 @@ test_expect_success 'amend commit to fix date' '
 
 '
 
-test_expect_success 'commit complains about bogus date' '
-       test_must_fail git commit --amend --date=10.11.2010
+test_expect_success 'commit mentions forced date in output' '
+       git commit --amend --date=2010-01-02T03:04:05 >output &&
+       grep "Date: *Sat Jan 2 03:04:05 2010" output
+'
+
+test_expect_success 'commit complains about completely bogus dates' '
+       test_must_fail git commit --amend --date=seventeen
+'
+
+test_expect_success 'commit --date allows approxidate' '
+       git commit --amend \
+               --date="midnight the 12th of october, anno domini 1979" &&
+       echo "Fri Oct 12 00:00:00 1979 +0000" >expect &&
+       git log -1 --format=%ad >actual &&
+       test_cmp expect actual
 '
 
 test_expect_success 'sign off (1)' '