fmt/test/CMakeLists.txt
Victor Zverovich 6798c1704e Add tests.
2014-04-29 06:26:37 -07:00

43 lines
1.4 KiB
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 ()
# Array is noncopyable.
expect_compile_error("fmt::internal::Array<char, 5> a, b(a);")
expect_compile_error("fmt::internal::Array<char, 5> a, b; b = a;")
# Writer is noncopyable.
expect_compile_error("fmt::Writer a, b(a);")
expect_compile_error("fmt::Writer a, b; b = a;")
# Formatter is not copyable from a temporary.
expect_compile_error("fmt::Formatter<> a(fmt::Formatter<>(\"a\"));")
expect_compile_error("fmt::Formatter<> b(\"a\"); b = fmt::Formatter<>(\"b\");")
# 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' ');")
# Formatting a wide character with a narrow format string is forbidden.
expect_compile_error("Format(\"{}\") << L'a';")