t1400: use test_must_be_empty

Use test_must_be_empty instead of reading the file and comparing its contents to an empty string. That's more efficient, as the function only needs built-in meta-data only check in the usual case, and provides nicer debug output otherwise. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

René Scharfe committed Nov 26, 2019 at 20:41 UTC c93a5aaec859f93ff24277269e2fdef00c9c45e6
1 file changed +4 -4
t/t1400-update-ref.sh
+4 -4
index 1fbd940408..ae8e2fcf3b 100755 --- a/t/t1400-update-ref.sh +++ b/t/t1400-update-ref.sh @@ -378,13 +378,13 @@ test_expect_success 'Query "master@{May 26 2005 23:32:00}" (exactly history star test_when_finished "rm -f o e" && git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e && test $C = $(cat o) && - test "" = "$(cat e)" + test_must_be_empty e ' test_expect_success 'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e && test $A = $(cat o) && - test "" = "$(cat e)" + test_must_be_empty e ' test_expect_success 'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' ' test_when_finished "rm -f o e" && @@ -396,13 +396,13 @@ test_expect_success 'Query "master@{2005-05-26 23:38:00}" (middle of history)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e && test $Z = $(cat o) && - test "" = "$(cat e)" + test_must_be_empty e ' test_expect_success 'Query "master@{2005-05-26 23:43:00}" (exact end of history)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e && test $E = $(cat o) && - test "" = "$(cat e)" + test_must_be_empty e ' test_expect_success 'Query "master@{2005-05-28}" (past end of history)' ' test_when_finished "rm -f o e" &&