fmt/test/CMakeLists.txt
2014-01-08 08:16:00 -08:00

28 lines
862 B
CMake

# Test if compile errors are produced where necessary.
cmake_minimum_required(VERSION 2.8)
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR}/..)
function (expect_compile_error code)
check_cxx_source_compiles("
#include \"format.cc\"
int main() {
${code}
}
" compiles)
set (does_compile ${compiles})
# Unset the CMake cache variable compiles. Otherwise the compile test will
# just use cached information next time it runs.
unset(compiles CACHE)
if (does_compile)
message(FATAL_ERROR "No compile error for: ${code}")
endif ()
endfunction ()
# Writing a wide character to a character stream Writer is forbidden.
expect_compile_error("fmt::Writer() << L'a';")
expect_compile_error("fmt::Writer() << fmt::pad(\"abc\", 5, L' ');")
expect_compile_error("fmt::Writer() << fmt::pad(42, 5, L' ');")