3 find_package(Threads REQUIRED)
4 include(CheckCXXCompilerFlag)
6 # NOTE: Some tests use `<cassert>` to perform the test. Therefore we must
7 # strip -DNDEBUG from the default CMake flags in DEBUG mode.
8 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
9 if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
10 add_definitions( -UNDEBUG )
11 add_definitions(-DTEST_BENCHMARK_LIBRARY_HAS_NO_ASSERTIONS)
12 # Also remove /D NDEBUG to avoid MSVC warnings about conflicting defines.
13 foreach (flags_var_to_scrub
14 CMAKE_CXX_FLAGS_RELEASE
15 CMAKE_CXX_FLAGS_RELWITHDEBINFO
16 CMAKE_CXX_FLAGS_MINSIZEREL
18 CMAKE_C_FLAGS_RELWITHDEBINFO
19 CMAKE_C_FLAGS_MINSIZEREL)
20 string (REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " "
21 "${flags_var_to_scrub}" "${${flags_var_to_scrub}}")
25 check_cxx_compiler_flag(-O3 BENCHMARK_HAS_O3_FLAG)
26 set(BENCHMARK_O3_FLAG "")
27 if (BENCHMARK_HAS_O3_FLAG)
28 set(BENCHMARK_O3_FLAG "-O3")
31 # NOTE: These flags must be added after find_package(Threads REQUIRED) otherwise
32 # they will break the configuration check.
33 if (DEFINED BENCHMARK_CXX_LINKER_FLAGS)
34 list(APPEND CMAKE_EXE_LINKER_FLAGS ${BENCHMARK_CXX_LINKER_FLAGS})
37 add_library(output_test_helper STATIC output_test_helper.cc output_test.h)
39 macro(compile_benchmark_test name)
40 add_executable(${name} "${name}.cc")
41 target_link_libraries(${name} benchmark ${CMAKE_THREAD_LIBS_INIT})
42 endmacro(compile_benchmark_test)
44 macro(compile_benchmark_test_with_main name)
45 add_executable(${name} "${name}.cc")
46 target_link_libraries(${name} benchmark_main)
47 endmacro(compile_benchmark_test_with_main)
49 macro(compile_output_test name)
50 add_executable(${name} "${name}.cc" output_test.h)
51 target_link_libraries(${name} output_test_helper benchmark
52 ${BENCHMARK_CXX_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
53 endmacro(compile_output_test)
55 # Demonstration executable
56 compile_benchmark_test(benchmark_test)
57 add_test(benchmark benchmark_test --benchmark_min_time=0.01)
59 compile_benchmark_test(filter_test)
60 macro(add_filter_test name filter expect)
61 add_test(${name} filter_test --benchmark_min_time=0.01 --benchmark_filter=${filter} ${expect})
62 add_test(${name}_list_only filter_test --benchmark_list_tests --benchmark_filter=${filter} ${expect})
63 endmacro(add_filter_test)
65 add_filter_test(filter_simple "Foo" 3)
66 add_filter_test(filter_simple_negative "-Foo" 2)
67 add_filter_test(filter_suffix "BM_.*" 4)
68 add_filter_test(filter_suffix_negative "-BM_.*" 1)
69 add_filter_test(filter_regex_all ".*" 5)
70 add_filter_test(filter_regex_all_negative "-.*" 0)
71 add_filter_test(filter_regex_blank "" 5)
72 add_filter_test(filter_regex_blank_negative "-" 0)
73 add_filter_test(filter_regex_none "monkey" 0)
74 add_filter_test(filter_regex_none_negative "-monkey" 5)
75 add_filter_test(filter_regex_wildcard ".*Foo.*" 3)
76 add_filter_test(filter_regex_wildcard_negative "-.*Foo.*" 2)
77 add_filter_test(filter_regex_begin "^BM_.*" 4)
78 add_filter_test(filter_regex_begin_negative "-^BM_.*" 1)
79 add_filter_test(filter_regex_begin2 "^N" 1)
80 add_filter_test(filter_regex_begin2_negative "-^N" 4)
81 add_filter_test(filter_regex_end ".*Ba$" 1)
82 add_filter_test(filter_regex_end_negative "-.*Ba$" 4)
84 compile_benchmark_test(options_test)
85 add_test(options_benchmarks options_test --benchmark_min_time=0.01)
87 compile_benchmark_test(basic_test)
88 add_test(basic_benchmark basic_test --benchmark_min_time=0.01)
90 compile_benchmark_test(diagnostics_test)
91 add_test(diagnostics_test diagnostics_test --benchmark_min_time=0.01)
93 compile_benchmark_test(skip_with_error_test)
94 add_test(skip_with_error_test skip_with_error_test --benchmark_min_time=0.01)
96 compile_benchmark_test(donotoptimize_test)
97 # Some of the issues with DoNotOptimize only occur when optimization is enabled
98 check_cxx_compiler_flag(-O3 BENCHMARK_HAS_O3_FLAG)
99 if (BENCHMARK_HAS_O3_FLAG)
100 set_target_properties(donotoptimize_test PROPERTIES COMPILE_FLAGS "-O3")
102 add_test(donotoptimize_test donotoptimize_test --benchmark_min_time=0.01)
104 compile_benchmark_test(fixture_test)
105 add_test(fixture_test fixture_test --benchmark_min_time=0.01)
107 compile_benchmark_test(register_benchmark_test)
108 add_test(register_benchmark_test register_benchmark_test --benchmark_min_time=0.01)
110 compile_benchmark_test(map_test)
111 add_test(map_test map_test --benchmark_min_time=0.01)
113 compile_benchmark_test(multiple_ranges_test)
114 add_test(multiple_ranges_test multiple_ranges_test --benchmark_min_time=0.01)
116 compile_benchmark_test_with_main(link_main_test)
117 add_test(link_main_test link_main_test --benchmark_min_time=0.01)
119 compile_output_test(reporter_output_test)
120 add_test(reporter_output_test reporter_output_test --benchmark_min_time=0.01)
122 compile_output_test(templated_fixture_test)
123 add_test(templated_fixture_test templated_fixture_test --benchmark_min_time=0.01)
125 compile_output_test(user_counters_test)
126 add_test(user_counters_test user_counters_test --benchmark_min_time=0.01)
128 compile_output_test(user_counters_tabular_test)
129 add_test(user_counters_tabular_test user_counters_tabular_test --benchmark_counters_tabular=true --benchmark_min_time=0.01)
131 check_cxx_compiler_flag(-std=c++03 BENCHMARK_HAS_CXX03_FLAG)
132 if (BENCHMARK_HAS_CXX03_FLAG)
133 compile_benchmark_test(cxx03_test)
134 set_target_properties(cxx03_test
136 COMPILE_FLAGS "-std=c++03")
137 # libstdc++ provides different definitions within <map> between dialects. When
138 # LTO is enabled and -Werror is specified GCC diagnoses this ODR violation
139 # causing the test to fail to compile. To prevent this we explicitly disable
141 check_cxx_compiler_flag(-Wno-odr BENCHMARK_HAS_WNO_ODR)
142 if (BENCHMARK_ENABLE_LTO AND BENCHMARK_HAS_WNO_ODR)
143 set_target_properties(cxx03_test
145 LINK_FLAGS "-Wno-odr")
147 add_test(cxx03 cxx03_test --benchmark_min_time=0.01)
150 # Attempt to work around flaky test failures when running on Appveyor servers.
151 if (DEFINED ENV{APPVEYOR})
152 set(COMPLEXITY_MIN_TIME "0.5")
154 set(COMPLEXITY_MIN_TIME "0.01")
156 compile_output_test(complexity_test)
157 add_test(complexity_benchmark complexity_test --benchmark_min_time=${COMPLEXITY_MIN_TIME})
159 ###############################################################################
160 # GoogleTest Unit Tests
161 ###############################################################################
163 if (BENCHMARK_ENABLE_GTEST_TESTS)
164 macro(compile_gtest name)
165 add_executable(${name} "${name}.cc")
166 if (TARGET googletest)
167 add_dependencies(${name} googletest)
169 if (GTEST_INCLUDE_DIRS)
170 target_include_directories(${name} PRIVATE ${GTEST_INCLUDE_DIRS})
172 target_link_libraries(${name} benchmark
173 ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
174 endmacro(compile_gtest)
176 macro(add_gtest name)
177 compile_gtest(${name})
178 add_test(${name} ${name})
181 add_gtest(benchmark_gtest)
182 add_gtest(statistics_gtest)
183 endif(BENCHMARK_ENABLE_GTEST_TESTS)
185 ###############################################################################
186 # Assembly Unit Tests
187 ###############################################################################
189 if (BENCHMARK_ENABLE_ASSEMBLY_TESTS)
190 if (NOT LLVM_FILECHECK_EXE)
191 message(FATAL_ERROR "LLVM FileCheck is required when including this file")
193 include(AssemblyTests.cmake)
194 add_filecheck_test(donotoptimize_assembly_test)
195 add_filecheck_test(state_assembly_test)
196 add_filecheck_test(clobber_memory_assembly_test)
201 ###############################################################################
202 # Code Coverage Configuration
203 ###############################################################################
205 # Add the coverage command(s)
207 string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_LOWER)
209 if (${CMAKE_BUILD_TYPE_LOWER} MATCHES "coverage")
210 find_program(GCOV gcov)
211 find_program(LCOV lcov)
212 find_program(GENHTML genhtml)
213 find_program(CTEST ctest)
214 if (GCOV AND LCOV AND GENHTML AND CTEST AND HAVE_CXX_FLAG_COVERAGE)
216 OUTPUT ${CMAKE_BINARY_DIR}/lcov/index.html
217 COMMAND ${LCOV} -q -z -d .
218 COMMAND ${LCOV} -q --no-external -c -b "${CMAKE_SOURCE_DIR}" -d . -o before.lcov -i
219 COMMAND ${CTEST} --force-new-ctest-process
220 COMMAND ${LCOV} -q --no-external -c -b "${CMAKE_SOURCE_DIR}" -d . -o after.lcov
221 COMMAND ${LCOV} -q -a before.lcov -a after.lcov --output-file final.lcov
222 COMMAND ${LCOV} -q -r final.lcov "'${CMAKE_SOURCE_DIR}/test/*'" -o final.lcov
223 COMMAND ${GENHTML} final.lcov -o lcov --demangle-cpp --sort -p "${CMAKE_BINARY_DIR}" -t benchmark
224 DEPENDS filter_test benchmark_test options_test basic_test fixture_test cxx03_test complexity_test
225 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
226 COMMENT "Running LCOV"
228 add_custom_target(coverage
229 DEPENDS ${CMAKE_BINARY_DIR}/lcov/index.html
230 COMMENT "LCOV report at lcov/index.html"
232 message(STATUS "Coverage command added")
234 if (HAVE_CXX_FLAG_COVERAGE)
235 set(CXX_FLAG_COVERAGE_MESSAGE supported)
237 set(CXX_FLAG_COVERAGE_MESSAGE unavailable)
240 "Coverage not available:\n"
243 " genhtml: ${GENHTML}\n"
245 " --coverage flag: ${CXX_FLAG_COVERAGE_MESSAGE}")