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# a simple C only test case
cmake_minimum_required(VERSION 3.10)
project (ReturnTest)
function (FAILED testname)
message (SEND_ERROR "${testname} failed ${ARGN}")
endfunction ()
function (PASS testname)
message ("${testname} passed ${ARGN}")
endfunction ()
# test simple return
function (simple)
set(simpleResult 1 PARENT_SCOPE)
return()
set(simpleResult 0 PARENT_SCOPE)
endfunction ()
simple()
if ("${simpleResult}")
pass ("simple")
else ()
failed ("simple got: ${simpleResult}")
endif ()
#test return in an if statement
set (simple2IF 1)
function (simple2)
set(simple2Result 1 PARENT_SCOPE)
if (simple2IF)
return()
endif ()
set(simple2Result 0 PARENT_SCOPE)
endfunction ()
simple2()
if ("${simple2Result}")
pass ("simple2")
else ()
failed ("simple2 got: ${simple2Result}")
endif ()
#test return in a foreach loop
function (looptest)
foreach (iter RANGE 1 5)
set (looptestResult "${iter}" PARENT_SCOPE)
if ("${iter}" EQUAL 3)
return ()
endif ()
endforeach ()
endfunction ()
looptest()
if ("${looptestResult}" EQUAL 3)
pass ("looptest")
else ()
failed ("looptest got: ${looptestResult}")
endif ()
#test return in a while loop
function (whiletest)
set (iter "a")
while(NOT "${iter}" STREQUAL "aaaaa")
set (whiletestResult "${iter}" PARENT_SCOPE)
if ("${iter}" STREQUAL "aaa")
return ()
endif ()
set (iter "${iter}a")
endwhile()
endfunction ()
whiletest()
if ("${whiletestResult}" STREQUAL "aaa")
pass ("whiletest")
else ()
failed ("whiletest got: ${whiletestResult}")
endif ()
# check subdir return
add_subdirectory(subdir)
get_directory_property(subdirResult DIRECTORY subdir DEFINITION subdirreturn)
if ("${subdirResult}" EQUAL 1)
pass ("subdir")
else ()
failed ("subdir got: ${subdirResult}")
endif ()
# check return from a file
include(include_return.cmake)
if ("${include_returnResult}" EQUAL 1)
pass ("include_return")
else ()
failed ("include_return got: ${include_returnResult}")
endif ()
# check return from within a macro
macro (mymacro)
set (foo 1)
if (foo)
return()
endif ()
endmacro()
# test simple return
function (simple3)
set (bar 0)
set(simple3Result 1 PARENT_SCOPE)
if (bar)
else ()
mymacro()
endif()
set(simple3Result 0 PARENT_SCOPE)
endfunction ()
simple3()
if ("${simple3Result}")
pass ("macrotest")
else ()
failed ("macrotest got: ${simple3Result}")
endif ()
# test break command now in a foreach
foreach (iter RANGE 1 5)
set (break1 "${iter}")
if ("${iter}" EQUAL 3)
break ()
endif ()
endforeach ()
if ("${break1}" EQUAL 3)
pass ("break in foreach")
else ()
failed ("break in foreach got: ${break1}")
endif ()
# test break in a while loop
set (iter "a")
while(NOT "${iter}" STREQUAL "aaaaa")
if ("${iter}" STREQUAL "aaa")
break ()
endif ()
set (iter "${iter}a")
endwhile()
if ("${iter}" STREQUAL "aaa")
pass ("break in a while")
else ()
failed ("break in a while got: ${whiletestResult}")
endif ()
add_executable (ReturnTest returnTest.c)
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