mirror of
https://github.com/fmtlib/fmt.git
synced 2024-11-25 03:30:05 +00:00
rewrite compile-error-test to use non-header-only library
This commit is contained in:
Alexey Ochapov
Victor Zverovich
parent
796662a612
commit
4482f6f1f0
@ -168,9 +168,9 @@ if (FMT_PEDANTIC)
|
||||
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
|
||||
--build-options
|
||||
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
|
||||
"-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
|
||||
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
|
||||
"-DCXX_STANDARD_FLAG=${CXX_STANDARD_FLAG}"
|
||||
"-DPEDANTIC_COMPILE_FLAGS=${PEDANTIC_COMPILE_FLAGS}"
|
||||
"-DFMT_DIR=${CMAKE_SOURCE_DIR}"
|
||||
"-DSUPPORTS_USER_DEFINED_LITERALS=${SUPPORTS_USER_DEFINED_LITERALS}")
|
||||
endif ()
|
||||
|
||||
|
||||
@ -1,77 +1,145 @@
|
||||
# Test if compile errors are produced where necessary.
|
||||
|
||||
cmake_minimum_required(VERSION 3.1...3.18)
|
||||
project(compile-error-test CXX)
|
||||
|
||||
include(CheckCXXSourceCompiles)
|
||||
include(CheckCXXCompilerFlag)
|
||||
set(fmt_headers "
|
||||
#include <fmt/format.h>
|
||||
#include <fmt/xchar.h>
|
||||
")
|
||||
|
||||
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR}/../../include)
|
||||
set(CMAKE_REQUIRED_FLAGS ${CXX_STANDARD_FLAG} ${PEDANTIC_COMPILE_FLAGS})
|
||||
set(error_test_names "")
|
||||
set(non_error_test_content "")
|
||||
|
||||
function (generate_source result fragment)
|
||||
set(${result} "
|
||||
#define FMT_HEADER_ONLY 1
|
||||
#include \"fmt/format.h\"
|
||||
int main() {
|
||||
${fragment}
|
||||
}
|
||||
" PARENT_SCOPE)
|
||||
# For error tests (we expect them to produce compilation error):
|
||||
# * adds a name of test into `error_test_names` list
|
||||
# * generates a single source file (with the same name) for each test
|
||||
# For non-error tests (we expect them to compile successfully):
|
||||
# * adds a code segment as separate function to `non_error_test_content`
|
||||
function (expect_compile name code_fragment)
|
||||
cmake_parse_arguments(EXPECT_COMPILE "ERROR" "" "" ${ARGN})
|
||||
string(MAKE_C_IDENTIFIER "${name}" test_name)
|
||||
|
||||
if (EXPECT_COMPILE_ERROR)
|
||||
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test/${test_name}.cc" "
|
||||
${fmt_headers}
|
||||
void ${test_name}() {
|
||||
${code_fragment}
|
||||
}
|
||||
")
|
||||
set(error_test_names_copy "${error_test_names}")
|
||||
list(APPEND error_test_names_copy "${test_name}")
|
||||
set(error_test_names "${error_test_names_copy}" PARENT_SCOPE)
|
||||
else()
|
||||
set(non_error_test_content "
|
||||
${non_error_test_content}
|
||||
void ${test_name}() {
|
||||
${code_fragment}
|
||||
}" PARENT_SCOPE)
|
||||
endif()
|
||||
endfunction ()
|
||||
|
||||
function (expect_compile code)
|
||||
generate_source(source "${code}")
|
||||
check_cxx_source_compiles("${source}" compiles)
|
||||
if (NOT compiles)
|
||||
set(error_msg "Compile error for: ${code}")
|
||||
endif ()
|
||||
# Unset the CMake cache variable compiles. Otherwise the compile test will
|
||||
# just use cached information next time it runs.
|
||||
unset(compiles CACHE)
|
||||
if (error_msg)
|
||||
message(FATAL_ERROR ${error_msg})
|
||||
# Generates a source file for non-error test with `non_error_test_content` and
|
||||
# CMake project file with all error and single non-error test targets.
|
||||
function (run_tests)
|
||||
set(cmake_targets "")
|
||||
foreach(test_name IN LISTS error_test_names)
|
||||
set(cmake_targets "
|
||||
${cmake_targets}
|
||||
add_library(test-${test_name} ${test_name}.cc)
|
||||
target_link_libraries(test-${test_name} PRIVATE fmt::fmt)
|
||||
")
|
||||
endforeach()
|
||||
|
||||
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test/non_error_test.cc" "
|
||||
${fmt_headers}
|
||||
${non_error_test_content}
|
||||
")
|
||||
set(cmake_targets "
|
||||
${cmake_targets}
|
||||
add_library(non-error-test non_error_test.cc)
|
||||
target_link_libraries(non-error-test PRIVATE fmt::fmt)
|
||||
")
|
||||
|
||||
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test/CMakeLists.txt" "
|
||||
cmake_minimum_required(VERSION 3.1...3.18)
|
||||
project(tests CXX)
|
||||
add_subdirectory(${FMT_DIR} fmt)
|
||||
${cmake_targets}
|
||||
")
|
||||
|
||||
set(build_directory "${CMAKE_CURRENT_BINARY_DIR}/test/build")
|
||||
file(MAKE_DIRECTORY "${build_directory}")
|
||||
execute_process(
|
||||
COMMAND
|
||||
"${CMAKE_COMMAND}"
|
||||
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
|
||||
"-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
|
||||
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
|
||||
"-DCMAKE_GENERATOR=${CMAKE_GENERATOR}"
|
||||
"-DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}"
|
||||
"-DFMT_DIR=${FMT_DIR}"
|
||||
"${CMAKE_CURRENT_BINARY_DIR}/test"
|
||||
WORKING_DIRECTORY "${build_directory}"
|
||||
RESULT_VARIABLE result_var
|
||||
OUTPUT_VARIABLE output_var
|
||||
ERROR_VARIABLE output_var)
|
||||
if (NOT result_var EQUAL 0)
|
||||
message(FATAL_ERROR "Unable to configure:\n${output_var}")
|
||||
endif()
|
||||
|
||||
foreach(test_name IN LISTS error_test_names)
|
||||
execute_process(
|
||||
COMMAND
|
||||
"${CMAKE_COMMAND}" --build "${build_directory}" --target "test-${test_name}"
|
||||
WORKING_DIRECTORY "${build_directory}"
|
||||
RESULT_VARIABLE result_var
|
||||
OUTPUT_VARIABLE output_var
|
||||
ERROR_QUIET)
|
||||
if (result_var EQUAL 0)
|
||||
message(SEND_ERROR "No compile error for \"${test_name}\":\n${output_var}")
|
||||
endif ()
|
||||
endforeach()
|
||||
|
||||
execute_process(
|
||||
COMMAND
|
||||
"${CMAKE_COMMAND}" --build "${build_directory}" --target "non-error-test"
|
||||
WORKING_DIRECTORY "${build_directory}"
|
||||
RESULT_VARIABLE result_var
|
||||
OUTPUT_VARIABLE output_var
|
||||
ERROR_VARIABLE output_var)
|
||||
if (NOT result_var EQUAL 0)
|
||||
message(SEND_ERROR "Compile error for combined non-error test:\n${output_var}")
|
||||
endif ()
|
||||
endfunction ()
|
||||
|
||||
function (expect_compile_error code)
|
||||
generate_source(source "${code}")
|
||||
check_cxx_source_compiles("${source}" compiles)
|
||||
if (compiles)
|
||||
set(error_msg "No compile error for: ${code}")
|
||||
endif ()
|
||||
# Unset the CMake cache variable compiles. Otherwise the compile test will
|
||||
# just use cached information next time it runs.
|
||||
unset(compiles CACHE)
|
||||
if (error_msg)
|
||||
message(FATAL_ERROR ${error_msg})
|
||||
endif ()
|
||||
endfunction ()
|
||||
|
||||
# check if the source file skeleton compiles
|
||||
expect_compile("")
|
||||
expect_compile(check "")
|
||||
|
||||
# Formatting a wide character with a narrow format string is forbidden.
|
||||
expect_compile_error("fmt::format(\"{}\", L'a');")
|
||||
expect_compile(wide-character-narrow-format-string "fmt::format(\"{}\", L'a');" ERROR)
|
||||
|
||||
# Formatting a wide string with a narrow format string is forbidden.
|
||||
expect_compile_error("fmt::format(\"{}\", L\"foo\");")
|
||||
expect_compile(wide-string-narrow-format-string "fmt::format(\"{}\", L\"foo\");" ERROR)
|
||||
|
||||
# Formatting a narrow string with a wide format string is forbidden because
|
||||
# mixing UTF-8 with UTF-16/32 can result in an invalid output.
|
||||
expect_compile_error("fmt::format(L\"{}\", \"foo\");")
|
||||
expect_compile(narrow-string-wide-format-string "fmt::format(L\"{}\", \"foo\");" ERROR)
|
||||
|
||||
# Formatting a wide string with a narrow format string is forbidden.
|
||||
expect_compile_error("
|
||||
expect_compile(cast-to-string "
|
||||
struct S {
|
||||
operator std::string() const { return std::string(); }
|
||||
};
|
||||
fmt::format(\"{}\", S());
|
||||
")
|
||||
" ERROR)
|
||||
|
||||
# Formatting a function
|
||||
expect_compile_error("
|
||||
expect_compile(format-function "
|
||||
void (*f)();
|
||||
fmt::format(\"{}\", f);
|
||||
")
|
||||
" ERROR)
|
||||
|
||||
# Make sure that compiler features detected in the header
|
||||
# match the features detected in CMake.
|
||||
@ -80,6 +148,11 @@ if (SUPPORTS_USER_DEFINED_LITERALS)
|
||||
else ()
|
||||
set(supports_udl 0)
|
||||
endif ()
|
||||
expect_compile("#if FMT_USE_USER_DEFINED_LITERALS != ${supports_udl}
|
||||
# error
|
||||
#endif")
|
||||
expect_compile(udl-check "
|
||||
#if FMT_USE_USER_DEFINED_LITERALS != ${supports_udl}
|
||||
# error
|
||||
#endif
|
||||
")
|
||||
|
||||
# Run all tests
|
||||
run_tests()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user