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Diffstat (limited to 't/t4212-log-corrupt.sh')
| -rwxr-xr-x | t/t4212-log-corrupt.sh | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/t/t4212-log-corrupt.sh b/t/t4212-log-corrupt.sh index 93c7c36..58b792b 100755 --- a/t/t4212-log-corrupt.sh +++ b/t/t4212-log-corrupt.sh @@ -44,4 +44,47 @@ test_expect_success 'git log --format with broken author email' ' test_cmp expect.err actual.err ' +munge_author_date () { + git cat-file commit "$1" >commit.orig && + sed "s/^\(author .*>\) [0-9]*/\1 $2/" <commit.orig >commit.munge && + git hash-object -w -t commit commit.munge +} + +test_expect_success 'unparsable dates produce sentinel value' ' + commit=$(munge_author_date HEAD totally_bogus) && + echo "Date: Thu Jan 1 00:00:00 1970 +0000" >expect && + git log -1 $commit >actual.full && + grep Date <actual.full >actual && + test_cmp expect actual +' + +test_expect_success 'unparsable dates produce sentinel value (%ad)' ' + commit=$(munge_author_date HEAD totally_bogus) && + echo >expect && + git log -1 --format=%ad $commit >actual + test_cmp expect actual +' + +# date is 2^64 + 1 +test_expect_success 'date parser recognizes integer overflow' ' + commit=$(munge_author_date HEAD 18446744073709551617) && + echo "Thu Jan 1 00:00:00 1970 +0000" >expect && + git log -1 --format=%ad $commit >actual && + test_cmp expect actual +' + +# date is 2^64 - 2 +test_expect_success 'date parser recognizes time_t overflow' ' + commit=$(munge_author_date HEAD 18446744073709551614) && + echo "Thu Jan 1 00:00:00 1970 +0000" >expect && + git log -1 --format=%ad $commit >actual && + test_cmp expect actual +' + +# date is within 2^63-1, but enough to choke glibc's gmtime +test_expect_success 'absurdly far-in-future date' ' + commit=$(munge_author_date HEAD 999999999999999999) && + git log -1 --format=%ad $commit +' + test_done |