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# Copyright (c) 2012 - 2015, Lars Bilke
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors
# may be used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#
#
# 2012-01-31, Lars Bilke
# - Enable Code Coverage
#
# 2013-09-17, Joakim Söderberg
# - Added support for Clang.
# - Some additional usage instructions.
#
# USAGE:
# 0. (Mac only) If you use Xcode 5.1 make sure to patch geninfo as described here:
# http://stackoverflow.com/a/22404544/80480
#
# 1. Copy this file into your cmake modules path.
#
# 2. Add the following line to your CMakeLists.txt:
# include(CodeCoverage)
#
# 3. Set compiler flags to turn off optimization and enable coverage:
# set(CMAKE_CXX_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage")
# set(CMAKE_C_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage")
#
# 3. Use the function SETUP_TARGET_FOR_COVERAGE to create a custom make target
# which runs your test executable and produces a lcov code coverage report:
# Example:
# SETUP_TARGET_FOR_COVERAGE(
# my_coverage_target # Name for custom target.
# test_driver # Name of the test driver executable that runs the tests.
# # NOTE! This should always have a ZERO as exit code
# # otherwise the coverage generation will not complete.
# coverage # Name of output directory.
# )
#
# 4. Build a Debug build:
# cmake -DCMAKE_BUILD_TYPE=Debug ..
# make
# make my_coverage_target
#
#
# Check prereqs
find_program( GCOV_PATH gcov )
find_program( LCOV_PATH lcov )
find_program( GENHTML_PATH genhtml )
find_program( GCOVR_PATH gcovr PATHS ${UHD_SOURCE_DIR}/tests)
if(NOT GCOV_PATH)
message(FATAL_ERROR "gcov not found! Aborting...")
endif() # NOT GCOV_PATH
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
if("${CMAKE_CXX_COMPILER_VERSION}" VERSION_LESS 3)
message(FATAL_ERROR "Clang version must be 3.0.0 or greater! Aborting...")
endif()
elseif(NOT CMAKE_COMPILER_IS_GNUCXX)
message(FATAL_ERROR "Compiler is not GNU gcc! Aborting...")
endif() # CHECK VALID COMPILER
set(CMAKE_CXX_FLAGS_COVERAGE
"-g -O0 --coverage -fprofile-arcs -ftest-coverage"
CACHE STRING "Flags used by the C++ compiler during coverage builds."
FORCE )
set(CMAKE_C_FLAGS_COVERAGE
"-g -O0 --coverage -fprofile-arcs -ftest-coverage"
CACHE STRING "Flags used by the C compiler during coverage builds."
FORCE )
set(CMAKE_EXE_LINKER_FLAGS_COVERAGE
""
CACHE STRING "Flags used for linking binaries during coverage builds."
FORCE )
set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE
""
CACHE STRING "Flags used by the shared libraries linker during coverage builds."
FORCE )
mark_as_advanced(
CMAKE_CXX_FLAGS_COVERAGE
CMAKE_C_FLAGS_COVERAGE
CMAKE_EXE_LINKER_FLAGS_COVERAGE
CMAKE_SHARED_LINKER_FLAGS_COVERAGE )
if ( NOT (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "Coverage"))
message( WARNING "Code coverage results with an optimized (non-Debug) build may be misleading" )
endif() # NOT CMAKE_BUILD_TYPE STREQUAL "Debug"
# Param _targetname The name of new the custom make target
# Param _testrunner The name of the target which runs the tests.
# MUST return ZERO always, even on errors.
# If not, no coverage report will be created!
# Param _outputname lcov output is generated as _outputname.info
# HTML report is generated in _outputname/index.html
# Optional fourth parameter is passed as arguments to _testrunner
# Pass them in list form, e.g.: "-j;2" for -j 2
function(SETUP_TARGET_FOR_COVERAGE _targetname _testrunner _outputname)
if(NOT LCOV_PATH)
message(FATAL_ERROR "lcov not found! Aborting...")
endif() # NOT LCOV_PATH
if(NOT GENHTML_PATH)
message(FATAL_ERROR "genhtml not found! Aborting...")
endif() # NOT GENHTML_PATH
set(coverage_info "${UHD_BINARY_DIR}/${_outputname}.info")
set(coverage_cleaned "${coverage_info}.cleaned")
separate_arguments(test_command UNIX_COMMAND "${_testrunner}")
# Setup target
add_custom_target(${_targetname}
# Cleanup lcov
${LCOV_PATH} --directory . --zerocounters
# Run tests
COMMAND ${test_command} ${ARGV3}
# Capturing lcov counters and generating report
COMMAND ${LCOV_PATH} --directory . --capture --output-file ${coverage_info}
COMMAND ${LCOV_PATH} --remove ${coverage_info} 'tests/*' '/usr/*' --output-file ${coverage_cleaned}
COMMAND ${GENHTML_PATH} -o ${_outputname} ${coverage_cleaned}
COMMAND ${CMAKE_COMMAND} -E remove ${coverage_info} ${coverage_cleaned}
WORKING_DIRECTORY ${UHD_BINARY_DIR}
COMMENT "Resetting code coverage counters to zero.\nProcessing code coverage counters and generating report."
)
# Show info where to find the report
add_custom_command(TARGET ${_targetname} POST_BUILD
COMMAND ;
COMMENT "Open ./${_outputname}/index.html in your browser to view the coverage report."
)
endfunction() # SETUP_TARGET_FOR_COVERAGE
# Param _targetname The name of new the custom make target
# Param _testrunner The name of the target which runs the tests
# Param _outputname cobertura output is generated as _outputname.xml
# Optional fourth parameter is passed as arguments to _testrunner
# Pass them in list form, e.g.: "-j;2" for -j 2
function(SETUP_TARGET_FOR_COVERAGE_COBERTURA _targetname _testrunner _outputname)
if(NOT PYTHON_EXECUTABLE)
message(FATAL_ERROR "Python not found! Aborting...")
endif() # NOT PYTHON_EXECUTABLE
if(NOT GCOVR_PATH)
message(FATAL_ERROR "gcovr not found! Aborting...")
endif() # NOT GCOVR_PATH
add_custom_target(${_targetname}
# Run tests
${_testrunner} ${ARGV3}
# Running gcovr
COMMAND ${GCOVR_PATH} -x -r ${UHD_SOURCE_DIR} -e '${UHD_SOURCE_DIR}/tests/' -o ${_outputname}.xml
WORKING_DIRECTORY ${UHD_BINARY_DIR}
COMMENT "Running gcovr to produce Cobertura code coverage report."
)
# Show info where to find the report
add_custom_command(TARGET ${_targetname} POST_BUILD
COMMAND ;
COMMENT "Cobertura code coverage report saved in ${_outputname}.xml."
)
endfunction() # SETUP_TARGET_FOR_COVERAGE_COBERTURA
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