----------
Foo_ROOT :/foo/cmake_root
ENV{Foo_ROOT} :/foo/env_root
find_package\(Foo\)
FOO_TEST_FILE_FOO :FOO_TEST_FILE_FOO-NOTFOUND
FOO_TEST_FILE_ZOT :FOO_TEST_FILE_ZOT-NOTFOUND
FOO_TEST_PATH_FOO :FOO_TEST_PATH_FOO-NOTFOUND
FOO_TEST_PATH_ZOT :FOO_TEST_PATH_ZOT-NOTFOUND
FOO_TEST_PROG_FOO :FOO_TEST_PROG_FOO-NOTFOUND
----------