test/standalone.zig                                         |  4 ++
 test/standalone/install_headers/build.zig                   | 83 ++++++++++++++++++++++++++++++++
 test/standalone/install_headers/check_exists.zig            | 37 ++++++++++++++
 test/standalone/install_headers/include/a.h                 |  1 +
 test/standalone/install_headers/include/ignore_me.txt       |  1 +
 test/standalone/install_headers/include/sub_dir/b.h         |  1 +
 test/standalone/install_headers/include/sub_dir/ignore_me.h |  1 +
 7 files changed, 128 insertions(+)