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#===------------------------------------------------------------------------===#
#
# The KLEE Symbolic Virtual Machine
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
#===------------------------------------------------------------------------===#
# Build GTest. We don't use a pre-built version due to
# https://github.com/google/googletest/blob/master/googletest/docs/FAQ.md#why-is-it-not-recommended-to-install-a-pre-compiled-copy-of-google-test-for-example-into-usrlocal
set(GTEST_SRC_DIR
"/usr/src/gtest"
CACHE
PATH
"Path to GTest source directory"
)
if (NOT EXISTS "${GTEST_SRC_DIR}")
message(FATAL_ERROR "GTest source directory \"${GTEST_SRC_DIR}\" cannot be found.\n"
"Try passing -DGTEST_SRC_DIR=<path_to_gtest_source> to cmake where "
"<path_to_gtest_source> is the path to the GoogleTest source tree.\n"
"Alternatively you can disable unit tests by passing "
"-DENABLE_UNIT_TESTS=OFF to cmake.")
endif()
# It's important that GTest is built with KLEE's compile flags
# so set them here.
set(_OLD_CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
foreach (f ${KLEE_COMPONENT_CXX_FLAGS})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${f}")
endforeach()
foreach (f ${KLEE_COMPONENT_CXX_DEFINES})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${f}")
endforeach()
# Build GTest as part of our project
# FIXME: Prevent GTest from adding to our install target.
# This is a problem for GTest >= 1.8. I've filled a PR to fix the issue
# ( https://github.com/google/googletest/pull/921 ). If it gets accepted
# we can do `set(gtest_enable_install FALSE)` to fix this.
add_subdirectory(${GTEST_SRC_DIR} "${CMAKE_CURRENT_BINARY_DIR}/gtest_build")
set(CMAKE_CXX_FLAGS "${_OLD_CMAKE_CXX_FLAGS}") # Restore the flags
# This keeps track of all the unit test
# targets so we can ensure they are built
# before trying to run them.
define_property(GLOBAL
PROPERTY KLEE_UNIT_TEST_TARGETS
BRIEF_DOCS "KLEE unit tests"
FULL_DOCS "KLEE unit tests"
)
set(GTEST_INCLUDE_DIR "${GTEST_SRC_DIR}/include")
if (NOT IS_DIRECTORY "${GTEST_INCLUDE_DIR}")
message(FATAL_ERROR
"Cannot find GTest include directory \"${GTEST_INCLUDE_DIR}\"")
endif()
function(add_klee_unit_test target_name)
add_executable(${target_name} ${ARGN})
target_link_libraries(${target_name} PRIVATE gtest_main)
target_include_directories(${target_name} BEFORE PRIVATE "${GTEST_INCLUDE_DIR}")
set_target_properties(${target_name}
PROPERTIES
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/unittests/"
)
set_property(GLOBAL
APPEND
PROPERTY KLEE_UNIT_TEST_TARGETS
${target_name}
)
endfunction()
# Unit Tests
add_subdirectory(Assignment)
add_subdirectory(Expr)
add_subdirectory(Ref)
add_subdirectory(Solver)
# Set up lit configuration
set (UNIT_TEST_EXE_SUFFIX "Test")
configure_file(lit-unit-tests-common.site.cfg.in
${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
@ONLY)
# Add a target to run all the unit tests using lit
get_property(UNIT_TEST_DEPENDS
GLOBAL
PROPERTY KLEE_UNIT_TEST_TARGETS
)
add_custom_target(unittests
COMMAND
"${LIT_TOOL}" ${LIT_ARGS} "${CMAKE_CURRENT_BINARY_DIR}"
DEPENDS ${UNIT_TEST_DEPENDS}
COMMENT "Running unittests"
${ADD_CUSTOM_COMMAND_USES_TERMINAL_ARG}
)
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