使用具有多个目标的 CodeCoverage.cmake 进行代码覆盖率分析

Question

使用具有多个目标的 CodeCoverage.cmake 进行代码覆盖率分析

Een*_*oku 4 c++ unit-testing code-coverage cmake

我在我的项目中使用Boost 单元测试框架实现了单元测试，并组织成几个模块，即：

#define BOOST_TEST_MODULE Connection_test

#ifndef BOOST_TEST_DYN_LINK
#define BOOST_TEST_DYN_LINK
#endif

#ifndef BOOST_TEST_NO_MAIN
#define BOOST_TEST_NO_MAIN
#endif

#include <boost/test/unit_test.hpp>
#include <boost/test/output_test_stream.hpp>

#define BOOST_TEST_MODULE Connection_test


BOOST_AUTO_TEST_SUITE(Connection_test)

    BOOST_AUTO_TEST_CASE(Connection_construction__test) {

       ***
    }

BOOST_AUTO_TEST_SUITE_END()

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我将每个模块编译为单个可执行文件。

我想使用CodeCoverage.cmake模块来运行代码覆盖率分析，但我遇到了问题。我应该指定一个测试可执行文件SETUP_TARGET_FOR_COVERAGE_LCOV，但我没有只有一个。

有没有办法一次设置多个测试可执行文件CodeCoverage.cmake？

编辑

我已经将测试添加add_test()到我的根 CMakeLists.txt 并像这样修改了我的覆盖目标

include(CTest)
add_test(NAME constant_neuron_test COMMAND constant_neuron_test)
add_test(NAME binary_neuron_test COMMAND binary_neuron_test)
add_test(NAME logistic_neuron_test COMMAND logistic_neuron_test)
add_test(NAME connectionFunctionGeneral_test COMMAND connectionFunctionGeneral_test)
add_test(NAME connection_Function_identity_test COMMAND connection_Function_identity_test)
add_test(NAME neural_network_test COMMAND neural_network_test)
add_test(NAME dataset_test COMMAND dataset_test)
add_test(NAME particle_swarm_test COMMAND particle_swarm_test)
add_test(NAME particle_test COMMAND particle_test)
add_test(NAME NeuralNetworkSum_test COMMAND NeuralNetworkSum_test)
add_test(NAME errorfunction_test COMMAND errorfunction_test)
add_test(NAME DESolver_test COMMAND DESolver_test)

include(CodeCoverage.cmake)
APPEND_COVERAGE_COMPILER_FLAGS()
SETUP_TARGET_FOR_COVERAGE_LCOV(
        NAME coverage                 # New target name
        EXECUTABLE ctest -C ${ROOT_DIR}/CTestTestfile.cmake # Executable in PROJECT_BINARY_DIR
        DEPENDENCIES ${Boost_LIBRARIES}         # Dependencies to build first
)

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ctest 本身运行正常：

Test project /home/martin/4Neuro
      Start  1: constant_neuron_test
 1/12 Test  #1: constant_neuron_test ................   Passed    0.04 sec
      Start  2: binary_neuron_test
 2/12 Test  #2: binary_neuron_test ..................   Passed    0.04 sec
      Start  3: logistic_neuron_test
 3/12 Test  #3: logistic_neuron_test ................   Passed    0.05 sec
      Start  4: connectionFunctionGeneral_test
 4/12 Test  #4: connectionFunctionGeneral_test ......   Passed    0.04 sec
      Start  5: connection_Function_identity_test
 5/12 Test  #5: connection_Function_identity_test ...   Passed    0.04 sec
      Start  6: neural_network_test
 6/12 Test  #6: neural_network_test .................   Passed    0.04 sec
      Start  7: dataset_test
 7/12 Test  #7: dataset_test ........................   Passed    0.04 sec
      Start  8: particle_swarm_test
 8/12 Test  #8: particle_swarm_test .................   Passed    0.04 sec
      Start  9: particle_test
 9/12 Test  #9: particle_test .......................   Passed    0.04 sec
      Start 10: NeuralNetworkSum_test
10/12 Test #10: NeuralNetworkSum_test ...............   Passed    0.05 sec
      Start 11: errorfunction_test
11/12 Test #11: errorfunction_test ..................   Passed    0.04 sec
      Start 12: DESolver_test
12/12 Test #12: DESolver_test .......................   Passed    0.05 sec

100% tests passed, 0 tests failed out of 12

Total Test time (real) =   0.53 sec

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但是当我尝试通过创建我的覆盖率报告时make coverage，我收到此错误：

Processing code coverage counters and generating report.
cd /home/martin/4Neuro/build && /usr/bin/lcov --gcov-tool /usr/bin/gcov -directory . --zerocounters
Deleting all .da files in . and subdirectories
Done.
cd /home/martin/4Neuro/build && /usr/bin/lcov --gcov-tool /usr/bin/gcov -c -i -d . -o coverage.base
Capturing coverage data from .
Found gcov version: 7.3.0
Scanning . for .gcno files ...
geninfo: WARNING: no .gcno files found in . - skipping!
Finished .info-file creation
cd /home/martin/4Neuro/build && ctest -C /home/martin/4Neuro/CTestTestfile.cmake
Test project /home/martin/4Neuro/build
No tests were found!!!
cd /home/martin/4Neuro/build && /usr/bin/lcov --gcov-tool /usr/bin/gcov --directory . --capture --output-file coverage.info
Capturing coverage data from .
Found gcov version: 7.3.0
Scanning . for .gcda files ...
geninfo: WARNING: no .gcda files found in . - skipping!
Finished .info-file creation
cd /home/martin/4Neuro/build && /usr/bin/lcov --gcov-tool /usr/bin/gcov -a coverage.base -a coverage.info --output-file coverage.total
Combining tracefiles.
Reading tracefile coverage.base
lcov: ERROR: no valid records found in tracefile coverage.base
CMakeFiles/coverage.dir/build.make:62: recipe for target 'CMakeFiles/coverage' failed
make[3]: *** [CMakeFiles/coverage] Error 255
make[3]: Leaving directory '/home/martin/4Neuro'
CMakeFiles/Makefile2:70: recipe for target 'CMakeFiles/coverage.dir/all' failed
make[2]: *** [CMakeFiles/coverage.dir/all] Error 2
make[2]: Leaving directory '/home/martin/4Neuro'
CMakeFiles/Makefile2:77: recipe for target 'CMakeFiles/coverage.dir/rule' failed
make[1]: *** [CMakeFiles/coverage.dir/rule] Error 2
make[1]: Leaving directory '/home/martin/4Neuro'
Makefile:132: recipe for target 'coverage' failed
make: *** [coverage] Error 2

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编辑 2

我已经像这样修改了我的 CMakeLists.txt

include(CTest)
enable_testing()
add_subdirectory(${SRC_DIR} ${PROJECT_BINARY_DIR})

# Adding Unit-tests
add_test(NAME constant_neuron_test COMMAND constant_neuron_test)
add_test(NAME binary_neuron_test COMMAND binary_neuron_test)
add_test(NAME logistic_neuron_test COMMAND logistic_neuron_test)
add_test(NAME connectionFunctionGeneral_test COMMAND connectionFunctionGeneral_test)
add_test(NAME connection_Function_identity_test COMMAND connection_Function_identity_test)
add_test(NAME neural_network_test COMMAND neural_network_test)
add_test(NAME dataset_test COMMAND dataset_test)
add_test(NAME particle_swarm_test COMMAND particle_swarm_test)
add_test(NAME particle_test COMMAND particle_test)
add_test(NAME NeuralNetworkSum_test COMMAND NeuralNetworkSum_test)
add_test(NAME errorfunction_test COMMAND errorfunction_test)
add_test(NAME DESolver_test COMMAND DESolver_test)

include(CodeCoverage.cmake)
APPEND_COVERAGE_COMPILER_FLAGS()
SETUP_TARGET_FOR_COVERAGE_LCOV(
        NAME coverage                 # New target name
        EXECUTABLE ctest -j ${n_cores} # Executable in PROJECT_BINARY_DIR
        DEPENDENCIES
            constant_neuron_test
            binary_neuron_test
            logistic_neuron_test
            connectionFunctionGeneral_test
            connection_Function_identity_test
            neural_network_test
            dataset_test
            particle_swarm_test
            particle_test
            NeuralNetworkSum_test
            errorfunction_test
            DESolver_test         # Dependencies to build first
)
set(COVERAGE_EXCLUDES 'external_dependencies/*')

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但是，不幸的是，错误仍然存在

cd /home/martin/4Neuro/build && /usr/bin/lcov --gcov-tool /usr/bin/gcov -c -i -d . -o coverage.base
Capturing coverage data from .
Found gcov version: 7.3.0
Scanning . for .gcno files ...
geninfo: WARNING: no .gcno files found in . - skipping!
Finished .info-file creation
cd /home/martin/4Neuro/build && ctest -j 3
Test project /home/martin/4Neuro/build
No tests were found!!!
cd /home/martin/4Neuro/build && /usr/bin/lcov --gcov-tool /usr/bin/gcov --directory . --capture --output-file coverage.info
Capturing coverage data from .
Found gcov version: 7.3.0
Scanning . for .gcda files ...
geninfo: WARNING: no .gcda files found in . - skipping!
Finished .info-file creation
cd /home/martin/4Neuro/build && /usr/bin/lcov --gcov-tool /usr/bin/gcov -a coverage.base -a coverage.info --output-file coverage.total
Combining tracefiles.
Reading tracefile coverage.base
lcov: ERROR: no valid records found in tracefile coverage.base
CMakeFiles/coverage.dir/build.make:71: recipe for target 'CMakeFiles/coverage' failed
make[3]: *** [CMakeFiles/coverage] Error 255
make[3]: Leaving directory '/home/martin/4Neuro'
CMakeFiles/Makefile2:81: recipe for target 'CMakeFiles/coverage.dir/all' failed
make[2]: *** [CMakeFiles/coverage.dir/all] Error 2
make[2]: Leaving directory '/home/martin/4Neuro'
CMakeFiles/Makefile2:88: recipe for target 'CMakeFiles/coverage.dir/rule' failed
make[1]: *** [CMakeFiles/coverage.dir/rule] Error 2
make[1]: Leaving directory '/home/martin/4Neuro'
Makefile:132: recipe for target 'coverage' failed
make: *** [coverage] Error 2

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Answer 1

jsa*_*der 5

好的，我尝试重现您的最小设置集。

\n\n

我有：

\n\n

.\n\xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 CMakeLists.txt\n\xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 CodeCoverage.cmake\n\xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 test1.cpp\n\xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 test2.cpp\n

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来自https://github.com/bilke/cmake-modules/blob/master/CodeCoverage.cmakeCodeCoverage.cmake

\n\n

CMakeLists.txt 是：

\n\n

cmake_minimum_required(VERSION 3.10)\nfind_package(Boost COMPONENTS system filesystem unit_test_framework REQUIRED)\ninclude(CTest)\nenable_testing()\n\nadd_executable(test1_test test1.cpp)\ntarget_link_libraries(test1_test \n                      ${Boost_FILESYSTEM_LIBRARY}\n                      ${Boost_SYSTEM_LIBRARY}\n                      ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})\nadd_executable(test2_test test2.cpp)\ntarget_link_libraries(test2_test\n                      ${Boost_FILESYSTEM_LIBRARY}\n                      ${Boost_SYSTEM_LIBRARY}\n                      ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})\n\nadd_test(NAME test1_test COMMAND test1_test)\nadd_test(NAME test2_test COMMAND test2_test)\n\ninclude(CodeCoverage.cmake)\nAPPEND_COVERAGE_COMPILER_FLAGS()\nSETUP_TARGET_FOR_COVERAGE_LCOV(\n        NAME coverage                 \n        EXECUTABLE ctest -j ${n_cores} # Executable in PROJECT_BINARY_DIR\n        DEPENDENCIES\n            test1_test\n            test2_test)\n

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test1.cpp（和test2.cpp）是

\n\n

#define BOOST_TEST_MODULE test1\n\n#ifndef BOOST_TEST_DYN_LINK\n#define BOOST_TEST_DYN_LINK\n#endif\n\n#define BOOST_TEST_MAIN\n\n#include <boost/test/unit_test.hpp>\n#include <boost/test/output_test_stream.hpp>\n\n#define BOOST_TEST_MODULE test1\n\n\nBOOST_AUTO_TEST_SUITE(test1)\n\n    BOOST_AUTO_TEST_CASE(test1__test) {\n        BOOST_CHECK_EQUAL(1, 1);\n    }\n\nBOOST_AUTO_TEST_SUITE_END()\n

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现在我这样做：

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mkdir build\ncd build\ncmake ..\n

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输出是：

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-- The C compiler identification is GNU 7.3.0\n-- The CXX compiler identification is GNU 7.3.0\n-- Check for working C compiler: /usr/bin/cc\n-- Check for working C compiler: /usr/bin/cc -- works\n-- Detecting C compiler ABI info\n-- Detecting C compiler ABI info - done\n-- Detecting C compile features\n-- Detecting C compile features - done\n-- Check for working CXX compiler: /usr/bin/c++\n-- Check for working CXX compiler: /usr/bin/c++ -- works\n-- Detecting CXX compiler ABI info\n-- Detecting CXX compiler ABI info - done\n-- Detecting CXX compile features\n-- Detecting CXX compile features - done\n-- Boost version: 1.65.1\n-- Found the following Boost libraries:\n--   system\n--   filesystem\n--   unit_test_framework\nCMake Warning at CodeCoverage.cmake:116 (message):\n  Code coverage results with an optimised (non-Debug) build may be misleading\nCall Stack (most recent call first):\n  CMakeLists.txt:20 (include)\n\n\n-- Appending code coverage compiler flags: -g -O0 --coverage -fprofile-arcs -ftest-coverage\n-- Configuring done\n-- Generating done\n-- Build files have been written to: /home/jsantand/t/build\n

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最后运行make coverage：

\n\n

Scanning dependencies of target test1_test\n[ 20%] Building CXX object CMakeFiles/test1_test.dir/test1.cpp.o\n[ 40%] Linking CXX executable test1_test\n[ 40%] Built target test1_test\nScanning dependencies of target test2_test\n[ 60%] Building CXX object CMakeFiles/test2_test.dir/test2.cpp.o\n[ 80%] Linking CXX executable test2_test\n[ 80%] Built target test2_test\nScanning dependencies of target coverage\n[100%] Resetting code coverage counters to zero.\nProcessing code coverage counters and generating report.\nDeleting all .da files in . and subdirectories\nDone.\nCapturing coverage data from .\nFound gcov version: 7.3.0\nScanning . for .gcno files ...\nFound 2 graph files in .\nProcessing test1_test.dir/test1.cpp.gcno\nProcessing test2_test.dir/test2.cpp.gcno\nFinished .info-file creation\nTest project /home/jsantand/t/build\n    Start 1: test1_test\n1/2 Test #1: test1_test .......................   Passed    0.01 sec\n    Start 2: test2_test\n2/2 Test #2: test2_test .......................   Passed    0.01 sec\n\n100% tests passed, 0 tests failed out of 2\n\nTotal Test time (real) =   0.02 sec\nCapturing coverage data from .\nFound gcov version: 7.3.0\nScanning . for .gcda files ...\nFound 2 data files in .\nProcessing test1_test.dir/test1.cpp.gcda\nProcessing test2_test.dir/test2.cpp.gcda\nFinished .info-file creation\nCombining tracefiles.\nReading tracefile coverage.base\nReading tracefile coverage.info\nWriting data to coverage.total\nSummary coverage rate:\n  lines......: 65.4% (229 of 350 lines)\n  functions..: 68.3% (110 of 161 functions)\n  branches...: no data found\nReading tracefile coverage.total\nDeleted 0 files\nWriting data to /home/jsantand/t/build/coverage.info.cleaned\nSummary coverage rate:\n  lines......: 65.4% (229 of 350 lines)\n  functions..: 68.3% (110 of 161 functions)\n  branches...: no data found\nReading data file /home/jsantand/t/build/coverage.info.cleaned\nFound 37 entries.\nFound common filename prefix "/usr/include"\nWriting .css and .png files.\nGenerating output.\nProcessing file /home/jsantand/t/test1.cpp\nProcessing file /home/jsantand/t/test2.cpp\nProcessing file boost/type_index.hpp\nProcessing file boost/function/function_base.hpp\nProcessing file boost/function/function_template.hpp\nProcessing file boost/smart_ptr/shared_ptr.hpp\nProcessing file boost/smart_ptr/detail/sp_counted_base_std_atomic.hpp\nProcessing file boost/smart_ptr/detail/shared_count.hpp\nProcessing file boost/test/unit_test_suite.hpp\nProcessing file boost/test/unit_test.hpp\nProcessing file boost/test/unit_test_log.hpp\nProcessing file boost/test/tools/assertion_result.hpp\nProcessing file boost/test/tools/detail/print_helper.hpp\nProcessing file boost/test/tools/detail/fwd.hpp\nProcessing file boost/test/tools/old/impl.hpp\nProcessing file boost/test/tree/observer.hpp\nProcessing file boost/test/tree/test_unit.hpp\nProcessing file boost/test/tree/fixture.hpp\nProcessing file boost/test/tree/decorator.hpp\nProcessing file boost/test/utils/lazy_ostream.hpp\nProcessing file boost/test/utils/class_properties.hpp\nProcessing file boost/test/utils/trivial_singleton.hpp\nProcessing file boost/test/utils/wrap_stringstream.hpp\nProcessing file boost/test/utils/basic_cstring/bcs_char_traits.hpp\nProcessing file boost/test/utils/basic_cstring/basic_cstring.hpp\nProcessing file boost/type_index/type_index_facade.hpp\nProcessing file boost/type_index/stl_type_index.hpp\nProcessing file boost/type_traits/integral_constant.hpp\nProcessing file c++/7/typeinfo\nProcessing file c++/7/bits/ios_base.h\nProcessing file c++/7/bits/move.h\nProcessing file c++/7/bits/alloc_traits.h\nProcessing file c++/7/bits/stl_construct.h\nProcessing file c++/7/bits/stl_vector.h\nProcessing file c++/7/bits/atomic_base.h\nProcessing file c++/7/bits/allocator.h\nProcessing file c++/7/ext/new_allocator.h\nWriting directory view page.\nOverall coverage rate:\n  lines......: 65.4% (229 of 350 lines)\n  functions..: 68.3% (110 of 161 functions)\nLcov code coverage info report saved in coverage.info.\nOpen ./coverage/index.html in your browser to view the coverage report.\n[100%] Built target coverage\n

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Answer 2

OSE*_*OSE 5

我也遇到了这个问题，苦苦挣扎了好久才找到解决办法。对我来说，修复方法是将此 CMake 代码移动到定义的任何其他目标之上：

include(CodeCoverage.cmake)
APPEND_COVERAGE_COMPILER_FLAGS()

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看起来如果首先定义目标，则不会更新编译器标志。

Answer 3

r3d*_*ple 2

我已经设法得到一个工作设置：

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使用不同的编译器标志编译调试和发布代码
运行测试
创建代码覆盖率和分支覆盖率 html 报告

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先决条件

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促进：

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sudo apt-get install libboost-all-dev\n

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CMake 3.21.0：（前往https://cmake.org/download/了解最新版本）

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sudo apt install build-essential libssl-dev\nwget https://github.com/Kitware/CMake/releases/download/v3.21.0/cmake-3.21.0.tar.gz\ntar -zxvf cmake-3.21.0.tar.gz\ncd cmake-3.21.0\n./bootstrap\nmake \nsudo make install \n

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设置

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文件夹结构：

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\xe2\x94\x8c mhcl\n\xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80\xe2\x94\xac build\n\xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 debug\n\xe2\x94\x82  \xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 release\n\xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80\xe2\x94\xac src\n\xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80\xe2\x94\xac biginteger\n\xe2\x94\x82  \xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 biginteger.cpp\n\xe2\x94\x82  \xe2\x94\x82  \xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 biginteger.h\n\xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 CMakeLists.txt\n\xe2\x94\x82  \xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 main.cpp\n\xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80\xe2\x94\xac test\n\xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 CMakeLists.txt\n\xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 CodeCoverage.cmake\n\xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 test_biginteger_add.cpp\n\xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 test_biginteger_constructor.cpp\n\xe2\x94\x82  \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 test_biginteger_divide.cpp\n\xe2\x94\x82  \xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 test_biginteger_multiply.cpp\n\xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 CMakeLists.txt\n

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src/biginteger/biginteger.cpp：

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...\nvoid BigInteger::add(const BigInteger &summand2){\n    if(isNegative() == summand2.isNegative()){\n        add_digits(summand2);\n    }else{\n        subtract_digits(summand2);\n    }\n    if(getNumber(false) == "0") setNegative(false);\n}\n...\n

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src/biginteger/biginteger.h：

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#ifndef BIGINTEGER_H_INCLUDED\n#define BIGINTEGER_H_INCLUDED\n\n#include <iostream>\n#include <string>\n#include <algorithm>\n#include <cstring>\n#include <stdexcept>\n\nclass BigInteger{\n\n    public:\n        BigInteger(const char*);\n...\n

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mhcl/CMakeLists.txt：

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cmake_minimum_required(VERSION 3.20)\nadd_compile_options(-Wall -Wextra -pedantic -Werror)\nproject(MHCL VERSION 0.1 DESCRIPTION "mhcl, a cryptographic library" LANGUAGES CXX)\n\nset(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -fprofile-arcs -ftest-coverage")\nset(CMAKE_CXX_FLAGS_RELEASE "-O2")\n\nadd_subdirectory(test)\nadd_subdirectory(src) \nadd_executable (demo src/main.cpp)\ntarget_link_libraries (demo biginteger)\n

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mhcl/src/CMakeLists.txt：

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add_library(biginteger biginteger/biginteger.cpp biginteger/biginteger.h)\n

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mhcl/src/main.cpp：

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#include <iostream>\n#include <string>\n#include "biginteger/biginteger.h"\n// this file is not really necessary for testing\nint main(){\n    BigInteger b("3");\n    return 0;\n}\n

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mhcl/test/CMakeLists.txt：

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IF(CMAKE_BUILD_TYPE MATCHES Debug)\n    find_package (Boost COMPONENTS system filesystem unit_test_framework REQUIRED) # sudo apt-get install libboost-all-dev\n    include_directories (${MHCL_SOURCE_DIR}/src ${Boost_INCLUDE_DIRS})\n\n    add_executable (test_biginteger_constructor test_biginteger_constructor.cpp)\n    target_link_libraries (test_biginteger_constructor biginteger ${Boost_FILESYSTEM_LIBRARY} ${Boost_SYSTEM_LIBRARY} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})\n\n    add_executable (test_biginteger_add test_biginteger_add.cpp)\n    target_link_libraries (test_biginteger_add biginteger ${Boost_FILESYSTEM_LIBRARY} ${Boost_SYSTEM_LIBRARY} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})\n\n    add_executable (test_biginteger_multiply test_biginteger_multiply.cpp)\n    target_link_libraries (test_biginteger_multiply biginteger ${Boost_FILESYSTEM_LIBRARY} ${Boost_SYSTEM_LIBRARY} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})\n\n    add_executable (test_biginteger_divide test_biginteger_divide.cpp)\n    target_link_libraries (test_biginteger_divide biginteger ${Boost_FILESYSTEM_LIBRARY} ${Boost_SYSTEM_LIBRARY} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY})\n\n    include(CTest)\n    enable_testing()\n\n    add_test(NAME test_biginteger_constructor COMMAND test_biginteger_constructor)\n    add_test(NAME test_biginteger_add COMMAND test_biginteger_add)\n    add_test(NAME test_biginteger_multiply COMMAND test_biginteger_multiply)\n    add_test(NAME test_biginteger_divide COMMAND test_biginteger_divide)\n\n    include(CodeCoverage.cmake)\n    APPEND_COVERAGE_COMPILER_FLAGS()\n    setup_target_for_coverage_gcovr_html(NAME coverage EXECUTABLE ctest --schedule-random -j 4 --test-dir test EXCLUDE "/usr/*" "/mnt/v/r3dapple.github.io/encryption/mhcl/test/*" "/mnt/v/r3dapple.github.io/encryption/mhcl/src/main.cpp" DEPENDENCIES test_biginteger_constructor test_biginteger_add test_biginteger_multiply test_biginteger_divide)\nENDIF()\n

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mhcl/test/CodeCoverage.cmake：

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https://github.com/bilke/cmake-modules/blob/master/CodeCoverage.cmake

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mhcl/test_biginteger_add.cpp：

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#define BOOST_TEST_MODULE BigIntegerTestAdd\n#include <boost/test/unit_test.hpp>\n#include "../src/biginteger/biginteger.h"\n\nBOOST_AUTO_TEST_SUITE(IDENTITY_ELEMENT)\nBOOST_AUTO_TEST_CASE(ADDITION_ZERO_LENGTH1_184_LENGTH2_1_SIGN1_PLUS_SIGN2_PLUS)\n{\n    BigInteger b("7941336097231331222328305438625646002846406186146402399842122390970234239963370898300943198440768677925436553855703282917116959906917075742261367262117888460342170898243453976126509330");\n    b.add("0");\n    BOOST_CHECK_EQUAL(b.getNumber(), "7941336097231331222328305438625646002846406186146402399842122390970234239963370898300943198440768677925436553855703282917116959906917075742261367262117888460342170898243453976126509330");\n}\nBOOST_AUTO_TEST_SUITE_END()\n...\n

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用法

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构建调试：

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cd mhcl/build/debug && cmake -DCMAKE_BUILD_TYPE=Debug ../.. && make && make coverage\n

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您的覆盖率报告位于 mhcl/build/debug/coverage/index.html\n

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构建版本：

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cd mhcl/build/release && cmake -DCMAKE_BUILD_TYPE=Release ../.. && make\n

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