[libc++][test] Adds format string helper.
authorMark de Wever <koraq@xs4all.nl>
Thu, 5 May 2022 06:03:58 +0000 (08:03 +0200)
committerMark de Wever <koraq@xs4all.nl>
Tue, 20 Sep 2022 16:58:37 +0000 (18:58 +0200)
commitd23f609d9c33ea57aec1789c8eafeb4d6a4b1be1
tree61fbab7494d58c79f8ee9d44764e5715d791383c
parentf2a263512c835128aca397437d912d4c9ec4eb3f
[libc++][test] Adds format string helper.

Update the formatter day tests to the new style.
Other test will be done separately.

Reviewed By: #libc, ldionne

Differential Revision: https://reviews.llvm.org/D134031
libcxx/test/std/time/time.syn/formatter.day.pass.cpp
libcxx/test/std/time/time.syn/formatter_tests.h
libcxx/test/support/test_format_string.h [new file with mode: 0644]