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Simplify handling of tests that must fail to compile.

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Each test is now a normal ctest target, and build properties (compiler+flags) are preserved (instead of starting a new build-dir from scratch).
This commit is contained in:
Gael Guennebaud
2018-12-12 15:48:36 +01:00
parent 37c91e1836
commit 72c0bbe2bd
4 changed files with 21 additions and 44 deletions
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45
cmake/EigenTesting.cmake
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@@ -334,37 +334,32 @@ endmacro(ei_add_test_sycl)
# note that the test runner for these is CMake itself, when passed -DEIGEN_FAILTEST=ON
# so here we're just running CMake commands immediately, we're not adding any targets.
macro(ei_add_failtest testname)
get_property(EIGEN_FAILTEST_FAILURE_COUNT GLOBAL PROPERTY EIGEN_FAILTEST_FAILURE_COUNT)
get_property(EIGEN_FAILTEST_COUNT GLOBAL PROPERTY EIGEN_FAILTEST_COUNT)
message(STATUS "Checking failtest: ${testname}")
set(filename "${testname}.cpp")
file(READ "${filename}" test_source)
set(test_target_ok ${testname}_ok)
set(test_target_ko ${testname}_ko)
try_compile(succeeds_when_it_should_fail
"${CMAKE_CURRENT_BINARY_DIR}"
"${CMAKE_CURRENT_SOURCE_DIR}/${filename}"
COMPILE_DEFINITIONS "-DEIGEN_SHOULD_FAIL_TO_BUILD")
if (succeeds_when_it_should_fail)
message(STATUS "FAILED: ${testname} build succeeded when it should have failed")
endif()
# Add executables
add_executable(${test_target_ok} ${testname}.cpp)
add_executable(${test_target_ko} ${testname}.cpp)
try_compile(succeeds_when_it_should_succeed
"${CMAKE_CURRENT_BINARY_DIR}"
"${CMAKE_CURRENT_SOURCE_DIR}/${filename}"
COMPILE_DEFINITIONS)
if (NOT succeeds_when_it_should_succeed)
message(STATUS "FAILED: ${testname} build failed when it should have succeeded")
endif()
# Remove them from the normal build process
set_target_properties(${test_target_ok} ${test_target_ko} PROPERTIES
EXCLUDE_FROM_ALL TRUE
EXCLUDE_FROM_DEFAULT_BUILD TRUE)
if (succeeds_when_it_should_fail OR NOT succeeds_when_it_should_succeed)
math(EXPR EIGEN_FAILTEST_FAILURE_COUNT ${EIGEN_FAILTEST_FAILURE_COUNT}+1)
endif()
# Configure the failing test
target_compile_definitions(${test_target_ko} PRIVATE EIGEN_SHOULD_FAIL_TO_BUILD)
math(EXPR EIGEN_FAILTEST_COUNT ${EIGEN_FAILTEST_COUNT}+1)
# Add the tests to ctest.
add_test(NAME ${test_target_ok}
COMMAND ${CMAKE_COMMAND} --build . --target ${test_target_ok} --config $<CONFIGURATION>
WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
add_test(NAME ${test_target_ko}
COMMAND ${CMAKE_COMMAND} --build . --target ${test_target_ko} --config $<CONFIGURATION>
WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
set_property(GLOBAL PROPERTY EIGEN_FAILTEST_FAILURE_COUNT ${EIGEN_FAILTEST_FAILURE_COUNT})
set_property(GLOBAL PROPERTY EIGEN_FAILTEST_COUNT ${EIGEN_FAILTEST_COUNT})
# Expect the second test to fail
set_tests_properties(${test_target_ko} PROPERTIES WILL_FAIL TRUE)
endmacro(ei_add_failtest)
# print a summary of the different options